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[[Category: Unity 3.x shaders]]
[[Category: Unity Pro shaders]]

Author: Original = [[User:NeARAZ|Aras Pranckevicius]] Update = [[User:UnfathomableChaos|Unfathomable Chaos]]

==Note==
[[Image:mirrorReflection.png|thumb|Example of what the mirror reflection looks like]]
This is [[User:NeARAZ|Aras Pranckevicius']] mirror shader and script updated to work for Unity 3.x. Thanks to him for making the original scripts and shaders. His original description follows:

See also: [[MirrorReflection2|Mirror Reflection for Unity 2.x]].

==Description==
This is shader+script to make perfectly reflective mirrors, for Unity 3.x. Use the FX/Mirror Reflection shader on an object, attach the MirrorReflection script to it and there you are.

Works about everywhere (dual texture cards, i.e. TNT2 and up). Requires Unity 3.x Pro. Works in scene view as well!

==Usage==
Prerequisites: This technique requires Unity 3.x Pro.

* Create a material that uses the shader below (FX/Mirror Reflection)
* Use this material on a plane-like (i.e. flat) object.
* Set this object to use Water layer.
* Attach the MirrorReflection to the same object.

Notes:
* The reflection happens '''along object's 'up' direction''' (green axis in the scene view). E.g. the builtin plane object is suitable for use as a mirror. If you experience weird reflection, check whether your mirror object is oriented correctly.



==ShaderLab - Mirror.shader==
<syntaxhighlight lang="shaderlab">// Unlit shader. Simplest possible textured shader.
// - no lighting
// - no lightmap support
// - no per-material color

Shader "Mirror" {
Properties {
_MainTex ("Base (RGB)", 2D) = "white" {}
_ReflectionTex ("Reflection", 2D) = "white" { TexGen ObjectLinear }
}

SubShader {
Tags { "RenderType"="Opaque" }
LOD 100

Pass {
SetTexture[_MainTex] { combine texture }
SetTexture[_ReflectionTex] { matrix [_ProjMatrix] combine texture * previous }
}
}

// fallback: just main texture
Subshader {
Tags { "RenderType"="Opaque" }
LOD 100

Pass {
SetTexture [_MainTex] { combine texture }
}
}
}
</syntaxhighlight>



==C# - MirrorReflection.cs==
<syntaxhighlight lang="csharp">using UnityEngine;
using System.Collections;

// This is in fact just the Water script from Pro Standard Assets,
// just with refraction stuff removed.

[ExecuteInEditMode] // Make mirror live-update even when not in play mode
public class MirrorReflection : MonoBehaviour
{
public bool m_DisablePixelLights = true;
public int m_TextureSize = 256;
public float m_ClipPlaneOffset = 0.07f;

public LayerMask m_ReflectLayers = -1;

private Hashtable m_ReflectionCameras = new Hashtable(); // Camera -> Camera table

private RenderTexture m_ReflectionTexture = null;
private int m_OldReflectionTextureSize = 0;

private static bool s_InsideRendering = false;

// This is called when it's known that the object will be rendered by some
// camera. We render reflections and do other updates here.
// Because the script executes in edit mode, reflections for the scene view
// camera will just work!
public void OnWillRenderObject()
{
if( !enabled || !renderer || !renderer.sharedMaterial || !renderer.enabled )
return;

Camera cam = Camera.current;
if( !cam )
return;

// Safeguard from recursive reflections.
if( s_InsideRendering )
return;
s_InsideRendering = true;

Camera reflectionCamera;
CreateMirrorObjects( cam, out reflectionCamera );

// find out the reflection plane: position and normal in world space
Vector3 pos = transform.position;
Vector3 normal = transform.up;

// Optionally disable pixel lights for reflection
int oldPixelLightCount = QualitySettings.pixelLightCount;
if( m_DisablePixelLights )
QualitySettings.pixelLightCount = 0;

UpdateCameraModes( cam, reflectionCamera );

// Render reflection
// Reflect camera around reflection plane
float d = -Vector3.Dot (normal, pos) - m_ClipPlaneOffset;
Vector4 reflectionPlane = new Vector4 (normal.x, normal.y, normal.z, d);

Matrix4x4 reflection = Matrix4x4.zero;
CalculateReflectionMatrix (ref reflection, reflectionPlane);
Vector3 oldpos = cam.transform.position;
Vector3 newpos = reflection.MultiplyPoint( oldpos );
reflectionCamera.worldToCameraMatrix = cam.worldToCameraMatrix * reflection;

// Setup oblique projection matrix so that near plane is our reflection
// plane. This way we clip everything below/above it for free.
Vector4 clipPlane = CameraSpacePlane( reflectionCamera, pos, normal, 1.0f );
Matrix4x4 projection = cam.projectionMatrix;
CalculateObliqueMatrix (ref projection, clipPlane);
reflectionCamera.projectionMatrix = projection;

reflectionCamera.cullingMask = ~(1<<4) & m_ReflectLayers.value; // never render water layer
reflectionCamera.targetTexture = m_ReflectionTexture;
GL.SetRevertBackfacing (true);
reflectionCamera.transform.position = newpos;
Vector3 euler = cam.transform.eulerAngles;
reflectionCamera.transform.eulerAngles = new Vector3(0, euler.y, euler.z);
reflectionCamera.Render();
reflectionCamera.transform.position = oldpos;
GL.SetRevertBackfacing (false);
Material[] materials = renderer.sharedMaterials;
foreach( Material mat in materials ) {
if( mat.HasProperty("_ReflectionTex") )
mat.SetTexture( "_ReflectionTex", m_ReflectionTexture );
}

// Set matrix on the shader that transforms UVs from object space into screen
// space. We want to just project reflection texture on screen.
Matrix4x4 scaleOffset = Matrix4x4.TRS(
new Vector3(0.5f,0.5f,0.5f), Quaternion.identity, new Vector3(0.5f,0.5f,0.5f) );
Vector3 scale = transform.lossyScale;
Matrix4x4 mtx = transform.localToWorldMatrix * Matrix4x4.Scale( new Vector3(1.0f/scale.x, 1.0f/scale.y, 1.0f/scale.z) );
mtx = scaleOffset * cam.projectionMatrix * cam.worldToCameraMatrix * mtx;
foreach( Material mat in materials ) {
mat.SetMatrix( "_ProjMatrix", mtx );
}

// Restore pixel light count
if( m_DisablePixelLights )
QualitySettings.pixelLightCount = oldPixelLightCount;

s_InsideRendering = false;
}


// Cleanup all the objects we possibly have created
void OnDisable()
{
if( m_ReflectionTexture ) {
DestroyImmediate( m_ReflectionTexture );
m_ReflectionTexture = null;
}
foreach( DictionaryEntry kvp in m_ReflectionCameras )
DestroyImmediate( ((Camera)kvp.Value).gameObject );
m_ReflectionCameras.Clear();
}


private void UpdateCameraModes( Camera src, Camera dest )
{
if( dest == null )
return;
// set camera to clear the same way as current camera
dest.clearFlags = src.clearFlags;
dest.backgroundColor = src.backgroundColor;
if( src.clearFlags == CameraClearFlags.Skybox )
{
Skybox sky = src.GetComponent(typeof(Skybox)) as Skybox;
Skybox mysky = dest.GetComponent(typeof(Skybox)) as Skybox;
if( !sky || !sky.material )
{
mysky.enabled = false;
}
else
{
mysky.enabled = true;
mysky.material = sky.material;
}
}
// update other values to match current camera.
// even if we are supplying custom camera&projection matrices,
// some of values are used elsewhere (e.g. skybox uses far plane)
dest.farClipPlane = src.farClipPlane;
dest.nearClipPlane = src.nearClipPlane;
dest.orthographic = src.orthographic;
dest.fieldOfView = src.fieldOfView;
dest.aspect = src.aspect;
dest.orthographicSize = src.orthographicSize;
}

// On-demand create any objects we need
private void CreateMirrorObjects( Camera currentCamera, out Camera reflectionCamera )
{
reflectionCamera = null;

// Reflection render texture
if( !m_ReflectionTexture || m_OldReflectionTextureSize != m_TextureSize )
{
if( m_ReflectionTexture )
DestroyImmediate( m_ReflectionTexture );
m_ReflectionTexture = new RenderTexture( m_TextureSize, m_TextureSize, 16 );
m_ReflectionTexture.name = "__MirrorReflection" + GetInstanceID();
m_ReflectionTexture.isPowerOfTwo = true;
m_ReflectionTexture.hideFlags = HideFlags.DontSave;
m_OldReflectionTextureSize = m_TextureSize;
}

// Camera for reflection
reflectionCamera = m_ReflectionCameras[currentCamera] as Camera;
if( !reflectionCamera ) // catch both not-in-dictionary and in-dictionary-but-deleted-GO
{
GameObject go = new GameObject( "Mirror Refl Camera id" + GetInstanceID() + " for " + currentCamera.GetInstanceID(), typeof(Camera), typeof(Skybox) );
reflectionCamera = go.camera;
reflectionCamera.enabled = false;
reflectionCamera.transform.position = transform.position;
reflectionCamera.transform.rotation = transform.rotation;
reflectionCamera.gameObject.AddComponent("FlareLayer");
go.hideFlags = HideFlags.HideAndDontSave;
m_ReflectionCameras[currentCamera] = reflectionCamera;
}
}

// Extended sign: returns -1, 0 or 1 based on sign of a
private static float sgn(float a)
{
if (a > 0.0f) return 1.0f;
if (a < 0.0f) return -1.0f;
return 0.0f;
}

// Given position/normal of the plane, calculates plane in camera space.
private Vector4 CameraSpacePlane (Camera cam, Vector3 pos, Vector3 normal, float sideSign)
{
Vector3 offsetPos = pos + normal * m_ClipPlaneOffset;
Matrix4x4 m = cam.worldToCameraMatrix;
Vector3 cpos = m.MultiplyPoint( offsetPos );
Vector3 cnormal = m.MultiplyVector( normal ).normalized * sideSign;
return new Vector4( cnormal.x, cnormal.y, cnormal.z, -Vector3.Dot(cpos,cnormal) );
}

// Adjusts the given projection matrix so that near plane is the given clipPlane
// clipPlane is given in camera space. See article in Game Programming Gems 5 and
// http://aras-p.info/texts/obliqueortho.html
private static void CalculateObliqueMatrix (ref Matrix4x4 projection, Vector4 clipPlane)
{
Vector4 q = projection.inverse * new Vector4(
sgn(clipPlane.x),
sgn(clipPlane.y),
1.0f,
1.0f
);
Vector4 c = clipPlane * (2.0F / (Vector4.Dot (clipPlane, q)));
// third row = clip plane - fourth row
projection[2] = c.x - projection[3];
projection[6] = c.y - projection[7];
projection[10] = c.z - projection[11];
projection[14] = c.w - projection[15];
}

// Calculates reflection matrix around the given plane
private static void CalculateReflectionMatrix (ref Matrix4x4 reflectionMat, Vector4 plane)
{
reflectionMat.m00 = (1F - 2F*plane[0]*plane[0]);
reflectionMat.m01 = ( - 2F*plane[0]*plane[1]);
reflectionMat.m02 = ( - 2F*plane[0]*plane[2]);
reflectionMat.m03 = ( - 2F*plane[3]*plane[0]);

reflectionMat.m10 = ( - 2F*plane[1]*plane[0]);
reflectionMat.m11 = (1F - 2F*plane[1]*plane[1]);
reflectionMat.m12 = ( - 2F*plane[1]*plane[2]);
reflectionMat.m13 = ( - 2F*plane[3]*plane[1]);

reflectionMat.m20 = ( - 2F*plane[2]*plane[0]);
reflectionMat.m21 = ( - 2F*plane[2]*plane[1]);
reflectionMat.m22 = (1F - 2F*plane[2]*plane[2]);
reflectionMat.m23 = ( - 2F*plane[3]*plane[2]);

reflectionMat.m30 = 0F;
reflectionMat.m31 = 0F;
reflectionMat.m32 = 0F;
reflectionMat.m33 = 1F;
}
}
</syntaxhighlight>

==Changelog==
* "2012 January 27" Updated shader to work with Unity 3.x.

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[[Category: Physics]]
[[Category: MonoBehaviour]]
[[Category: C#]]
Author: Ducketts (from #unity)
==Description==
This script basically implements a torque-based lookrotation.

==Usage==
Attach the script to any gameobject with a rigidbody, set the drag desired level, set the target and away you go.

==C# - TorqueLookRotation.cs==
<syntaxhighlight lang="csharp">
using UnityEngine;
using System.Collections;

// @robotduck 2011
// set the object's rigidbody angular drag to a high value, like 10

public class TorqueLookRotation : MonoBehaviour {

public Transform target;
public float force = 0.1f;

void FixedUpdate () {

Vector3 targetDelta = target.position - transform.position;

//get the angle between transform.forward and target delta
float angleDiff = Vector3.Angle(transform.forward, targetDelta);

// get its cross product, which is the axis of rotation to
// get from one vector to the other
Vector3 cross = Vector3.Cross(transform.forward, targetDelta);

// apply torque along that axis according to the magnitude of the angle.
rigidbody.AddTorque(cross * angleDiff * force);
}
}
</syntaxhighlight>

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[[Category: Utility Scripts]]
[[Category: C Sharp]]
Author: Mihai Cozma


==Overview==
This C# class will allow you to mark a certain point in time and then poll it whenever you need to find out the difference between the current time and the marked time. Very useful in "called on each frame" methods to measure certain actions that take more than one frame.


==C# - QuickTimer.cs==
The script should be named QuickTimer.cs


<syntaxhighlight lang="csharp">using UnityEngine;
using System;

public class QuickTimer

{
/// <summary>
/// Constructor
/// </summary>
public QuickTimer()
{
On = false;
RecTime = 0.0f;
}

/// <summary>
/// Checks if timer is running
/// </summary>
public bool On { get; set; }

/// <summary>
/// Startup time
/// </summary>
public float RecTime { get; set; }

/// <summary>
/// Start timer
/// </summary>

public void Reset()
{
RecTime = Time.time;
On = true;
}

/// <summary>
/// Stop timer
/// </summary>
public void Stop()
{
On = false;
RecTime = 0.0f;
}

/// <summary>
/// Check difference between current time and startup time
/// </summary>
public float Difference()
{
return Time.time - RecTime;
}
}
</syntaxhighlight>

[[Category: C_Sharp]][[Category: Scripts]][[Category: Saving]]
Author: [[User:SophieH|Sophie Houlden]]

== Description ==
This class is an alternative to PlayerPrefs, it has all the same functions and behaves like PlayerPrefs, except you can specify where your save files get put, on a platform by platform basis, (you can also specify which platforms the system should just use PlayerPrefs for instead).

=== Usage ===
Just put the code in your project, and then use the class just like you would PlayerPrefs, it's functions are the same:

<syntaxhighlight lang="csharp">
PlayerSave.GetInt("a integer key", 99); //returns 99
PlayerSave.SetInt("a integer key", 1234);
PlayerSave.GetInt("a integer key", 99); //returns 1234

PlayerSave.GetFloat("a float key", 99.99f); //returns 99.99
PlayerSave.SetFloat("a float key", 1234.56f);
PlayerSave.GetFloat("a float key", 99.99f); //returns 1234.56

PlayerSave.GetString("a string key", "Ninety-nine"); //returns Ninety-nine
PlayerSave.SetString("a string key", "One, Two, Three");
PlayerSave.GetString("a string key", "Ninety-nine"); //returns One, Two, Three
</syntaxhighlight>

Make sure to set each platform's save directory in the Prepare() function, and set fallback to true for any platforms you'd rather PlayerPrefs does the saving.

== Code (PlayerSave.cs) ==
<syntaxhighlight lang="csharp">using UnityEngine;
using System.Collections;
using System.IO;
using System;
using System.Collections.Generic;


/*
*
* Class works almost exactly like playerprefs, but you can specify save locations by platform
*
* ~~~ features ~~~
* - option to fall back to player prefs (this is a must for some platforms)
* - all functions of PlayerPrefs exist here, use the scripts the same way
*
* ~~~ Imperfections ~~~
* - to be able to save when the game closes (like playerprefs does), the script needs
* to instantiate a GO called "_SaveCaller"
* - no scrambling/obfusimacation of the save data right now, so users can easily hack it
* - as with player prefs, there's no built in way to have seperate save 'slots' for the
* same game and save directory, add this yourself if you want it :)
* - you might not like the way I load/save from the file, I'm no expert so
* if you can do better feel free :)
*
*
* ~~~ Instructions ~~~
* you must go through the Prepare() function, and set all relevant stuff, for all platforms
* that you want to target.
* don't forget to change the 'gameName' variable if your path uses it, or
* you could overwrite other game's saves :P
*
* ~~~ Licence ~~~
* Licence for this is whatever I guess, do what you like with it,
* I don't care about credit either. full free use :)
*
* */
static public class PlayerSave {

//loads all data, happens first time you set or get, but can be called earlier to avoid a jump
static public void Prepare (){
if (dataLoaded) return;
dataLoaded = true;


//default path
savePath = Application.persistentDataPath;
saveFile = "Save.sav";
gameName = "Change this";

//don't fallback by default
fallback = false;



//platform dependent settings:
#if UNITY_STANDALONE_OSX
fallback = false;
#endif
#if UNITY_STANDALONE_WIN
//saves to where some rockpapershotgun folk want the pc save standard to be: http://www.rockpapershotgun.com/2012/01/24/start-it-the-place-to-put-save-games
fallback = false;
savePath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + "\\My Games\\" + gameName + "\\Saves";
#endif
#if UNITY_DASHBOARD_WIDGET
fallback = true;
#endif
#if UNITY_WEBPLAYER
fallback = true;
#endif
#if UNITY_WII
fallback = true;
#endif
#if UNITY_IPHONE
fallback = true;
#endif
#if UNITY_ANDROID
fallback = true;
#endif
#if UNITY_PS3
fallback = true;
#endif
#if UNITY_XBOX360
fallback = true;
#endif
#if UNITY_FLASH
fallback = true;
#endif

//if we aren't going to fallback to playerprefs, let's load the data
if (!fallback){
//load from file here
LoadSavedData();

//create empty gameobject that calls EndNow when the application quits
GameObject saveCaller = new GameObject();
saveCaller.AddComponent<SaveCaller>();
saveCaller.name = "_SaveCaller";
}

}


static public void SetInt (string key, int val) {
Prepare();

//playerprefs fallback
if (fallback){
PlayerPrefs.SetInt(key, val);
return;
}

//set the int if it already exists
for (int i=0; i<intKeys.Count; i++){
if (intKeys[i] == key){
ints[i] = val;
return;
}
}

//int does not exist, we create it
ints.Add(val);
intKeys.Add(key);
}
static public int GetInt (string key, int defaultVal) {
Prepare();

//playerprefs fallback
if (fallback){
return PlayerPrefs.GetInt(key, defaultVal);
}

//return int if it exists
for (int i=0; i<intKeys.Count; i++) if (intKeys[i] == key) return ints[i];

//otherwise return default value
return defaultVal;
}

static public void SetFloat (string key, float val) {
Prepare();

//playerprefs fallback
if (fallback){
PlayerPrefs.SetFloat(key, val);
return;
}

//set the float if it already exists
for (int i=0; i<floatKeys.Count; i++){
if (floatKeys[i] == key){
floats[i] = val;
return;
}
}

//float does not exist, we create it
floats.Add(val);
floatKeys.Add(key);
}
static public float GetFloat (string key, float defaultVal) {
Prepare();

//playerprefs fallback
if (fallback){
return PlayerPrefs.GetFloat(key, defaultVal);
}

//return float if it exists
for (int i=0; i<floatKeys.Count; i++) if (floatKeys[i] == key) return floats[i];

//otherwise return default value
return defaultVal;
}

static public void SetString (string key, string val) {
Prepare();

//playerprefs fallback
if (fallback){
PlayerPrefs.SetString(key, val);
return;
}

//set the string if it already exists
for (int i=0; i<stringKeys.Count; i++){
if (stringKeys[i] == key){
strings[i] = val;
return;
}
}

//string does not exist, we create it
strings.Add(val);
stringKeys.Add(key);
}
static public string GetString (string key, string defaultVal) {
Prepare();

//playerprefs fallback
if (fallback){
return PlayerPrefs.GetString(key, defaultVal);
}

//return string if it exists
for (int i=0; i<stringKeys.Count; i++) if (stringKeys[i] == key) return strings[i];

//otherwise return default value
return defaultVal;
}

static public bool HasKey (string key) {
Prepare();

//playerprefs fallback
if (fallback){
return PlayerPrefs.HasKey(key);
}

for (int i=0; i<intKeys.Count; i++) if (intKeys[i] == key) return true;
for (int i=0; i<floatKeys.Count; i++) if (floatKeys[i] == key) return true;
for (int i=0; i<stringKeys.Count; i++) if (stringKeys[i] == key) return true;

return false;
}

static public void DeleteKey (string key) {
Prepare();

//playerprefs fallback
if (fallback){
PlayerPrefs.DeleteKey(key);
return;
}

//find relevant keys and remove them
for (int i=0; i<ints.Count; i++){
if (intKeys[i] == key){
ints.RemoveAt(i);
intKeys.RemoveAt(i);
i--;
}
}
for (int i=0; i<floats.Count; i++){
if (floatKeys[i] == key){
floats.RemoveAt(i);
floatKeys.RemoveAt(i);
i--;
}
}
for (int i=0; i<strings.Count; i++){
if (stringKeys[i] == key){
strings.RemoveAt(i);
stringKeys.RemoveAt(i);
i--;
}
}

}

static public void DeleteAll () {
Prepare();

//playerprefs fallback
if (fallback){
PlayerPrefs.DeleteAll();
return;
}

//reset all keys
ints = new List<int>();
intKeys = new List<string>();
floats = new List<float>();
floatKeys = new List<string>();
strings = new List<string>();
stringKeys = new List<string>();
}

static public void Save () {
//playerprefs fallback
if (fallback){
PlayerPrefs.Save();
return;
}

//only need to save if something has changed
if (!dataLoaded) return;


//save now
string outputString = "I\n";
for (int i=0; i<ints.Count; i++){
outputString += intKeys[i] + "\n" + ints[i].ToString() + "\n";
}
outputString += "F\n";
for (int i=0; i<floats.Count; i++){
outputString += floatKeys[i] + "\n" + floats[i].ToString() + "\n";
}
outputString += "S\n";
for (int i=0; i<strings.Count; i++){
outputString += stringKeys[i] + "\n" + strings[i] + "\n";
}

if (!File.Exists(savePath)){
Directory.CreateDirectory(savePath);
}
File.WriteAllText(savePath + "\\" + saveFile,outputString);



}

//data and keys
static List<int> ints = new List<int>();
static List<string> intKeys = new List<string>();
static List<float> floats = new List<float>();
static List<string> floatKeys = new List<string>();
static List<string> strings = new List<string>();
static List<string> stringKeys = new List<string>();

//have we loaded the data yet?
static bool dataLoaded = false;

static bool fallback;
static string savePath;
static string saveFile;
static string gameName;


static void LoadSavedData(){


if (!File.Exists(savePath + "\\" + saveFile)) return;

string[] loadedFile = File.ReadAllLines(savePath + "\\" + saveFile);

string loadState = "";

for (int i=0; i<loadedFile.Length; i++){
if (loadedFile[i] == "I"){
//start loading the ints
loadState = "ints";
}else if (loadedFile[i] == "F"){
//start loading the floats
loadState = "floats";
}else if (loadedFile[i] == "S"){
//start loading the strings
loadState = "strings";
}else{
//load a key
string loadKey = loadedFile[i];
string loadVar = loadedFile[i+1];

if (loadState == "ints"){
intKeys.Add(loadKey);
ints.Add(MakeInt(loadVar));
}else if (loadState == "floats"){
floatKeys.Add(loadKey);
floats.Add(MakeFloat(loadVar));
}else if (loadState == "strings"){
stringKeys.Add(loadKey);
strings.Add(loadVar);
}

i++; //skip a line (next line is the var for this key)
}
}
}

static float MakeFloat(string v) {
return System.Convert.ToSingle(v.Trim(), new System.Globalization.CultureInfo("en-US"));
}

static int MakeInt(string v) {
return System.Convert.ToInt32(v.Trim(), new System.Globalization.CultureInfo("en-US"));
}

}

//class to go on object to let us know when the game is quitting:
public class SaveCaller : MonoBehaviour {
void Start(){
DontDestroyOnLoad(gameObject);
}
void OnApplicationQuit(){
PlayerSave.Save();
}
}
</syntaxhighlight>

using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class Virtual_Keyboard : MonoBehaviour {

public GUISkin MySkin;

#region Scrolling Keyboard Textures

public Texture2D Letter_A;
public Texture2D Letter_B;
public Texture2D Letter_C;
public Texture2D Letter_D;
public Texture2D Letter_E;
public Texture2D Letter_F;
public Texture2D Letter_G;
public Texture2D Letter_H;
public Texture2D Letter_I;
public Texture2D Letter_J;
public Texture2D Letter_K;
public Texture2D Letter_L;
public Texture2D Letter_M;
public Texture2D Letter_N;
public Texture2D Letter_O;
public Texture2D Letter_P;
public Texture2D Letter_Q;
public Texture2D Letter_R;
public Texture2D Letter_S;
public Texture2D Letter_T;
public Texture2D Letter_U;
public Texture2D Letter_V;
public Texture2D Letter_W;
public Texture2D Letter_X;
public Texture2D Letter_Y;
public Texture2D Letter_Z;
public Texture2D Number_0;
public Texture2D Number_1;
public Texture2D Number_2;
public Texture2D Number_3;
public Texture2D Number_4;
public Texture2D Number_5;
public Texture2D Number_6;
public Texture2D Number_7;
public Texture2D Number_8;
public Texture2D Number_9;
public Texture2D Add;
public Texture2D Subtract;
public Texture2D Divide;
public Texture2D Multiply;
public Texture2D equals;

#endregion

//reset button texture
public Texture2D ResetButtonTexture;

//keyboard position floats
private float offset = 10f;

//text input stuff
public string character; // used as the string holder for textfield etc

//KeyBoard
private bool displayKeyBoard = true;
private const int KEYBOARD_WINDOW_ID = 0;
private Rect KeyBoardRect = new Rect(0, 0, 0, 0);
private Vector2 KeyBoardSlider = Vector2.zero;

//reset button
private bool ResetString = true;


//amount of buttons to have dependant on alphabet , numbers , symbols you want etc
private float amtButtons = 41f;

//keyboard button sizes
private float buttonWidth = 70f;
private float buttonHeight = 70f;


// Use this for initialization
void Start ()
{

}

// Update is called once per frame
void Update ()
{

}

void OnGUI ()
{
GUI.skin = MySkin;

if(displayKeyBoard)
{
KeyBoardRect = GUI.Window(KEYBOARD_WINDOW_ID, new Rect(offset, Screen.height - (offset + 125f), Screen.width - (offset * 2), 125f), KeyBoardWindow, "" );
}

if(ResetString)
{
if(GUI.Button(new Rect(Screen.width /2, Screen.height /2, buttonWidth, buttonHeight), ResetButtonTexture))
{
character = "";
}
}

}

private void KeyBoardWindow(int id)
{
KeyBoardSlider = GUI.BeginScrollView(new Rect(5, 15, KeyBoardRect.width - 10, 100f), KeyBoardSlider , new Rect(-5f , -6f, buttonWidth * amtButtons + offset * 3, buttonHeight + offset));
{
Populate();
}
GUI.EndScrollView();
}



// populate buttons with textures and desired input functions if you add or delete change amtButtons float to required number of buttons
#region populate
void Populate ()
{

//alphabet buttons


if(GUI.Button(new Rect(offset, 0, buttonWidth, buttonHeight), Letter_A))
{
character = character + "A";
}
if(GUI.Button(new Rect(buttonWidth * 1 + offset, 0, buttonWidth, buttonHeight), Letter_B))
{
character = character + "B" ;
}
if(GUI.Button(new Rect(buttonWidth * 2 + offset, 0, buttonWidth, buttonHeight), Letter_C))
{
character = character + "C";
}
if(GUI.Button(new Rect(buttonWidth * 3 + offset, 0, buttonWidth, buttonHeight), Letter_D))
{
character = character + "D";
}
if(GUI.Button(new Rect(buttonWidth * 4 + offset, 0, buttonWidth, buttonHeight), Letter_E))
{
character = character + "E";
}
if(GUI.Button(new Rect(buttonWidth * 5 + offset, 0, buttonWidth, buttonHeight), Letter_F))
{
character = character + "F";
}
if(GUI.Button(new Rect(buttonWidth * 6 + offset, 0, buttonWidth, buttonHeight), Letter_G))
{
character = character + "G";
}
if(GUI.Button(new Rect(buttonWidth * 7 + offset, 0, buttonWidth, buttonHeight), Letter_H))
{
character = character + "H";
}
if(GUI.Button(new Rect(buttonWidth * 8 + offset, 0, buttonWidth, buttonHeight), Letter_I))
{
character = character + "I";
}
if(GUI.Button(new Rect(buttonWidth * 9 + offset, 0, buttonWidth, buttonHeight), Letter_J))
{
character = character + "J";
}
if(GUI.Button(new Rect(buttonWidth * 10 + offset, 0, buttonWidth, buttonHeight), Letter_K))
{
character = character + "K";
}
if(GUI.Button(new Rect(buttonWidth * 11 + offset, 0, buttonWidth, buttonHeight), Letter_L))
{
character = character + "L";
}
if(GUI.Button(new Rect(buttonWidth * 12 + offset, 0, buttonWidth, buttonHeight), Letter_M))
{
character = character + "M";
}
if(GUI.Button(new Rect(buttonWidth * 13 + offset, 0, buttonWidth, buttonHeight), Letter_N))
{
character = character + "N";
}
if(GUI.Button(new Rect(buttonWidth * 14 + offset, 0, buttonWidth, buttonHeight), Letter_O))
{
character = character + "O";
}
if(GUI.Button(new Rect(buttonWidth * 15 + offset, 0, buttonWidth, buttonHeight), Letter_P))
{
character = character + "P";
}
if(GUI.Button(new Rect(buttonWidth * 16 + offset, 0, buttonWidth, buttonHeight), Letter_Q))
{
character = character + "Q";
}
if(GUI.Button(new Rect(buttonWidth * 17 + offset, 0, buttonWidth, buttonHeight), Letter_R))
{
character = character + "R";
}
if(GUI.Button(new Rect(buttonWidth * 18 + offset, 0, buttonWidth, buttonHeight), Letter_S))
{
character = character + "S";
}
if(GUI.Button(new Rect(buttonWidth * 19 + offset, 0, buttonWidth, buttonHeight), Letter_T))
{
character = character + "T";
}
if(GUI.Button(new Rect(buttonWidth * 20 + offset, 0, buttonWidth, buttonHeight), Letter_U))
{
character = character + "U";
}
if(GUI.Button(new Rect(buttonWidth * 21 + offset, 0, buttonWidth, buttonHeight), Letter_V))
{
character = character + "V";
}
if(GUI.Button(new Rect(buttonWidth * 22 + offset, 0, buttonWidth, buttonHeight), Letter_W))
{
character = character + "W";
}
if(GUI.Button(new Rect(buttonWidth * 23 + offset, 0, buttonWidth, buttonHeight), Letter_X))
{
character = character + "X";
}
if(GUI.Button(new Rect(buttonWidth * 24 + offset, 0, buttonWidth, buttonHeight), Letter_Y))
{
character = character + "Y";
}
if(GUI.Button(new Rect(buttonWidth * 25 + offset, 0, buttonWidth, buttonHeight), Letter_Z))
{
character = character + "Z";
}
if(GUI.Button(new Rect(buttonWidth * 26 + offset, 0, buttonWidth, buttonHeight), Number_0))
{
character = character + "0";
}
if(GUI.Button(new Rect(buttonWidth * 27 + offset, 0, buttonWidth, buttonHeight), Number_1))
{
character = character + "1";
}
if(GUI.Button(new Rect(buttonWidth * 28 + offset, 0, buttonWidth, buttonHeight), Number_2))
{
character = character + "2";
}
if(GUI.Button(new Rect(buttonWidth * 29 + offset, 0, buttonWidth, buttonHeight), Number_3))
{
character = character + "3";
}
if(GUI.Button(new Rect(buttonWidth * 30 + offset, 0, buttonWidth, buttonHeight), Number_4))
{
character = character + "4";
}
if(GUI.Button(new Rect(buttonWidth * 31 + offset, 0, buttonWidth, buttonHeight), Number_5))
{
character = character + "5";
}
if(GUI.Button(new Rect(buttonWidth * 32 + offset, 0, buttonWidth, buttonHeight), Number_6))
{
character = character + "6";
}
if(GUI.Button(new Rect(buttonWidth * 33 + offset, 0, buttonWidth, buttonHeight), Number_7))
{
character = character + "7";
}
if(GUI.Button(new Rect(buttonWidth * 34 + offset, 0, buttonWidth, buttonHeight), Number_8))
{
character = character + "8";
}
if(GUI.Button(new Rect(buttonWidth * 35 + offset, 0, buttonWidth, buttonHeight), Number_9))
{
character = character + "9";
}
if(GUI.Button(new Rect(buttonWidth * 36 + offset, 0, buttonWidth, buttonHeight), Add))
{
character = character + "+";
}
if(GUI.Button(new Rect(buttonWidth * 37 + offset, 0, buttonWidth, buttonHeight), Subtract))
{
character = character + "-";
}
if(GUI.Button(new Rect(buttonWidth * 38 + offset, 0, buttonWidth, buttonHeight), Divide))
{
character = character + "/";
}
if(GUI.Button(new Rect(buttonWidth * 39 + offset, 0, buttonWidth, buttonHeight), Multiply))
{
character = character + "*";
}
if(GUI.Button(new Rect(buttonWidth * 40 + offset, 0, buttonWidth, buttonHeight), equals))
{
character = character + "=";
}
}

#endregion
}

* 按住V键,移动场景中的物体,可以快速对齐
* 蒙皮角色每帧都会更新它的顶点,甚至不播放动画.为了冻结一个蒙皮角色而不让它消失或还原到凝固姿势,将SkinnedMeshRenderer.bones设为null.
* 在检视器中有2个很好用的插入项和删掉项的快捷键,Shift+Del删除选中的项目和Ctrl+D复制项.Shift用于引用类型像GameObject[].
* 如果你想打开深层次可以按住Alt键再展开项.
* 当使用Debug.Log或相关的方法时,你可以点击输出记录编辑器中会选中相关的物体!
* 如果你在屏幕上放置物体并想让它们对齐(对在地面上放置物体有效),可以在拖拽轴线时按住Command(windows是Control)键(对齐见[http://unity3d.com/support/documentation/Manual/Learning%20the%20Interface.html Edit->Snap Settings]).
* 想在Javascript中导入类,避免写Debug.Log及SendMessageOptions.DontRequireReceiver?导入类静态成员及枚举正如导入命名空间.仅仅需要加入import UnityEngine.Debug及import UnityEngine.SendMessageOptions,之后就可以写Log("my log string")及SendMessage("ApplyDamage",2.0,DontRequireReceiver).
* 删除物体.在场景,层次和项目视图中使用Command+Backspace键,在场景和层次视图中仅仅是删除选中物体的实例.在项目视图将删除选中的物体并将其放进你系统的回收站.
* 如果你需要某些纹理如字体纹理,不受[http://unity3d.com/Documentation/ScriptReference/Texture-masterTextureLimit.html Texture.masterTextureLimit]影响,可以在纹理导入设置中将Mipmap关闭.当缩小文件进行渲染时,会降低清晰度.
* Boo有一些方便的[http://boo.codehaus.org/Builtin+Functions+Summary 内置方法] 像 [http://boo.codehaus.org/Builtin+Functions+Summary#BuiltinFunctionsSummary-shell shell()], [http://boo.codehaus.org/Builtin+Functions+Summary#BuiltinFunctionsSummary-join join()] and [http://boo.codehaus.org/Builtin+Functions+Summary#BuiltinFunctionsSummary-reversed reversed()],在Javascript中一样使用.
* 在inspector中每个内置组件在它的右侧都有一个小问号标记.这是打开组件帮助的最快的方式.你应该牢记.
* 为了记住Unity中轴线的颜色.只要记住 RGB = XYZ.
* 你可以使用Edit->Load Selection和Edit->Save Selection的快捷键来快速切换及记住你场景中常使用的物体.
* 如果你按住option(alt)然后在层次中点击,可以将层次整个的展开或折叠.
* 使用Unity你可以写Editor脚本来降低特殊项目的枯燥.跟写一个普通脚本一样,可以减少很多麻烦.见Wizard Archive中的例子.
* 如果你在导入模型时遇到Vector3.up值到错误方向(或其他方向)的问题,建一个空对象放入方向错误的模型,然后在模型的局部控制调整它的方位.
* 当在Inspector中为组件指定属性时,可以点击右侧的小圆圈,弹出菜单进行选择.输入需要的物体名称然后回车.这样可以比拖放更快的替换.
* 当在Inspector视图中输入文字时,可以按住option-return来获取一新行,对GUIText输入多行很有帮助.
* 当在unity面板中仅有一个编辑器视图并没有游戏视图,当你进入播放模式时编辑器视图将自动替换为游戏视图而点击停止时又自动切回.当你在一个小显示器中工作时这是一个相当不错的特性
* 使用Tags类来为gameObject指定你自己的类型和属性.脚本可以引用到tags.如if (contact.otherCollider.tag == "Enemy") 或 GameObject.FindWithTag ("Enemy")
* 如果你打算在一个项目中移动某文件使用Unity的Project视图来完成.unity将维护此文件的所有引用及导入设置.
'''注意: 将新的技巧放置到列表的顶部,而不是底部.'''

<p>The problem is when use WWW,if cached AssetBundle is exist, and you want load twice,unity will throw error.
then can use this solution, if you like.
</p>

<b>AssetBundleDictionary</b> manage the cache resource.<br/>
<pre>
#pragma strict
import System.Collections.Generic;
//////////////////////////////////////////////////////
///工程,下载的资源管理
///AssetBundle字典.
///url为key,value:AssetBundle
//////////////////////////////////////////////////////

class AssetBundleDictionary{
/**资源字典.*/
private static var dict:Dictionary.<String,AssetBundle> = new Dictionary.<String,AssetBundle>();

static function Add(url:String,go:AssetBundle){
Remove(url);
dict.Add(url,go);
}

static function Remove(url:String){
if(Contains(url)){
dict[url].Unload(true);
dict.Remove(url);
}
}

static function Clear(){
dict.Clear();
}
/**
根据key获取一个AssetBundle
*/
static function Get(url:String):AssetBundle{
return dict[url];
}
/**
从 字典中获取 mainAsset
*/
static function GetMainAsset(url:String):Object{
if(Contains(url)){
return dict[url].mainAsset;
}
return null;
}
/**
字典中是否包含key
*/
static function Contains(url:String):boolean{
return dict.ContainsKey(url);
}
}
</pre>
<b>2 LoadComponent</b> , manage loading.

<pre>
#pragma strict
//////////////////////////////////////////////////////
///一个下载组件,下载时附加到GameObject
//////////////////////////////////////////////////////
/** www */
var www:WWW;
/** loading function */
var progressFun:Function;

/**
载入素材
@param url
@param version,为-1时,不从缓存载入.
@param onOk : function(prefab:Game):void
*/
function Load(url:String,version:int,onOk:Function){
if(version == -1){
www = WWW(url);
}else{
AssetBundleDictionary.Remove(url);
www = WWW.LoadFromCacheOrDownload(url,version);
}
yield WaitForLoading();
AssetBundleDictionary.Add(url, www.assetBundle);
onOk(AssetBundleDictionary.GetMainAsset(url));
}
/**载入文本.*/
function LoadText(url:String,onOk:Function){
www = WWW(url);
yield WaitForLoading();
onOk(www.text);
}

/**等待完成.*/
private function WaitForLoading(){
while(! www.isDone){
if(www.error){
Debug.Log(www.error);
break;
}
if(progressFun)
progressFun(www.progress);
yield;
}
}
</pre>

Zoloft is one of the frequently used drugs for the cure of various mental disorders such as depression and stress. It is manufactured by the Pfizer Corporation. It spotted a boost within the demands during the past several years, however some people have began filing grievances. A longer utilization of the Zoloft drug can create serious negative effects which may cause extreme birth abnormalities and could be dangerous for expectant women. This year has observed a number of legal measures up against the Pfizer Corporation for deliberately concealing the important points concerning the Zoloft drug. A [http://zoloftlawsuitz.com Zoloft lawsuit] has been arranged for those who have suffered or perhaps seen a loved one endure the dangerous negative effects of this medicine.

There are a number of side effects towards the use of Zoloft. Aside from the health related complications in expectant women, there have been many complications in newborn babies as well. Serious medical conditions including high blood pressure and skin problems are already observed in babies.

Some other serious side effects include suicidal tendencies and bone loss in grown ups. Small babies also have formed birth complications and also suffer from some other severe problem soon after delivery.
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[[Category: General Purpose Effect Scripts]]
[[Category: C Sharp]]
Author: [[User:Racocvr|Vlad Chifor]]
== Description ==
Use this script to rotate an object in an intuitive way. The mouse input is used to compute a rotation axis and an angular velocity. This idea is based on the ArcBall Rotation Control technique presented in the book Graphics Gems IV by Ken Shoemake.

== Usage ==
Attach this script and a sphere collider to the object. Adjust the sphere radius to your needs. Use the speed and damping variables to tweak the rotation speed.

== C Sharp - ArcBall.cs ==
<csharp>// Attach this script and a sphere collider to the object. Adjust the sphere radius to your needs. Use the speed and damping variables to tweak the rotation speed.
//
// Author: Vlad Chifor - racocvr@gmail.com

using UnityEngine;
using System.Collections;

public class ArcBall : MonoBehaviour
{
public float damping = 0.9f;
public float speed = 0.1f;

private Vector3 vDown;
private Vector3 vDrag;
private bool dragging;
private float angularVelocity;
private Vector3 rotationAxis;

void Start ()
{
dragging = false;
angularVelocity = 0;
rotationAxis = Vector3.zero;
}

void Update ()
{
// on mouse down
if( Input.GetMouseButton(0) )
{
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;

// if the object was clicked
if( Physics.Raycast(ray, out hit) )
{
if( !dragging )
{
// extract vDown from the RaycastHit
vDown = hit.point - transform.position;

// start dragging
dragging = true;
}
else
{
// extract vDrag from the RaycastHit
vDrag = hit.point - transform.position;

// compute the rotation axis and angular velocity from vDown and vDrag
rotationAxis = Vector3.Cross( vDown, vDrag );
angularVelocity = Vector3.Angle( vDown, vDrag ) * speed;
}
}
else
dragging = false;
}

// on mouse up stop dragging
if( Input.GetMouseButtonUp(0) )
dragging = false;

// apply the angular velocity
if( angularVelocity > 0 )
{
transform.RotateAround( rotationAxis, angularVelocity * Time.deltaTime );
angularVelocity = ( angularVelocity > 0.01f ) ? angularVelocity * damping : 0;
}
}
}</csharp>

[[Category: General Purpose Effect Scripts]]
[[Category: C Sharp]]
Author: [[User:Racocvr|Vlad Chifor]]
== Description ==
Use this script to rotate an object in an intuitive way. The mouse input is used to compute a rotation axis and an angular velocity. This idea is based on the ArcBall Rotation Control technique presented in the book Graphics Gems IV by Ken Shoemake.

== Usage ==
Attach this script and a sphere collider to the object. Adjust the sphere radius to your needs. Use the speed and damping variables to tweak the rotation speed.

== C Sharp - ArcBall.cs ==
<syntaxhighlight lang="csharp">// Attach this script and a sphere collider to the object. Adjust the sphere radius to your needs. Use the speed and damping variables to tweak the rotation speed.
//
// Author: Vlad Chifor - racocvr@gmail.com

using UnityEngine;
using System.Collections;

public class ArcBall : MonoBehaviour
{
public float damping = 0.9f;
public float speed = 0.1f;

private Vector3 vDown;
private Vector3 vDrag;
private bool dragging;
private float angularVelocity;
private Vector3 rotationAxis;

void Start ()
{
dragging = false;
angularVelocity = 0;
rotationAxis = Vector3.zero;
}

void Update ()
{
// on mouse down
if( Input.GetMouseButton(0) )
{
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;

// if the object was clicked
if( Physics.Raycast(ray, out hit) )
{
if( !dragging )
{
// extract vDown from the RaycastHit
vDown = hit.point - transform.position;

// start dragging
dragging = true;
}
else
{
// extract vDrag from the RaycastHit
vDrag = hit.point - transform.position;

// compute the rotation axis and angular velocity from vDown and vDrag
rotationAxis = Vector3.Cross( vDown, vDrag );
angularVelocity = Vector3.Angle( vDown, vDrag ) * speed;
}
}
else
dragging = false;
}

// on mouse up stop dragging
if( Input.GetMouseButtonUp(0) )
dragging = false;

// apply the angular velocity
if( angularVelocity > 0 )
{
transform.RotateAround( rotationAxis, angularVelocity * Time.deltaTime );
angularVelocity = ( angularVelocity > 0.01f ) ? angularVelocity * damping : 0;
}
}
}</syntaxhighlight>

[[Category: Extension Scripts]]
[[Category: C Sharp]]

Author: [[User:Jmpp|Juan Manuel Palacios]]

==Overview==
This script provides an instance TryParse method for .Net's System.Enum class, analogous to the non-exception-throwing TryParse methods that other .Net built-in types provide. As opposed to those, though, this extension method is an instance method, due to the very nature of C# extension methods themselves.

Note that .Net 4.0 does provide an out-of-the-box Enum.TryParse method, but that's currently not available to Unity users as of its 3.4.2 release.

==Usage==
Put the EnumExtensions.cs script in the Extensions folder in your Unity project and use the resulting instance TryParse method according to the code sample below.


==Sample==
<csharp>SomeEnum parsedState;
if (parsedState.TryParse<SomeEnum>(aString, out parsedState))
{
/* The parsed string matches an enum state, proceed successfully here. */
}
else
{
/* The parsed string does not match any enum state, handle failure here. */
}
</csharp>

==EnumExtensions.cs==
<csharp>using UnityEngine;
using System;
using System.ComponentModel;


public static class EnumExtensions
{

public static bool TryParse<T>(this Enum theEnum, string valueToParse, out T returnValue)
{
returnValue = default(T);
if (Enum.IsDefined(typeof(T), valueToParse))
{
TypeConverter converter = TypeDescriptor.GetConverter(typeof(T));
returnValue = (T)converter.ConvertFromString(valueToParse);
return true;
}
return false;
}


}
</csharp>

[[Category: Extension Scripts]]
[[Category: C Sharp]]

Author: [[User:Jmpp|Juan Manuel Palacios]]

==Overview==
This script provides an instance TryParse method for .Net's System.Enum class, analogous to the non-exception-throwing TryParse methods that other .Net built-in types provide. As opposed to those, though, this extension method is an instance method, due to the very nature of C# extension methods themselves.

Note that .Net 4.0 does provide an out-of-the-box Enum.TryParse method, but that's currently not available to Unity users as of its 3.4.2 release.

==Usage==
Put the EnumExtensions.cs script in the Extensions folder in your Unity project and use the resulting instance TryParse method according to the code sample below.


==Sample==
<csharp>SomeEnum parsedState;
if (parsedState.TryParse<SomeEnum>(aString, out parsedState))
{
/* The parsed string matches an enum state, proceed successfully here. */
}
else
{
/* The parsed string does not match any enum state, handle failure here. */
}
</csharp>

==EnumExtensions.cs==
<csharp>using UnityEngine;
using System;
using System.ComponentModel;


public static class EnumExtensions
{

public static bool TryParse<T>(this Enum theEnum, string valueToParse, out T returnValue)
{
returnValue = default(T);
if (Enum.IsDefined(typeof(T), valueToParse))
{
TypeConverter converter = TypeDescriptor.GetConverter(typeof(T));
returnValue = (T)converter.ConvertFromString(valueToParse);
return true;
}
return false;
}


}
</csharp>

[[Category: Extension Scripts]]
[[Category: C Sharp]]

Author: [[User:Jmpp|Juan Manuel Palacios]]

==Overview==
This script provides an instance TryParse method for .Net's System.Enum class, analogous to the non-exception-throwing TryParse methods that other .Net built-in types provide. As opposed to those, though, this extension method is an instance method, due to the very nature of C# extension methods themselves.

Note that .Net 4.0 does provide an out-of-the-box Enum.TryParse method, but that's currently not available to Unity users as of its 3.4.2 release.

==Usage==
Put the EnumExtensions.cs script in the Extensions folder in your Unity project and use the resulting instance TryParse method according to the code sample below.


==Sample==
<syntaxhighlight lang="csharp">SomeEnum parsedState;
if (parsedState.TryParse<SomeEnum>(aString, out parsedState))
{
/* The parsed string matches an enum state, proceed successfully here. */
}
else
{
/* The parsed string does not match any enum state, handle failure here. */
}
</syntaxhighlight>

==EnumExtensions.cs==
<syntaxhighlight lang="csharp">using UnityEngine;
using System;
using System.ComponentModel;


public static class EnumExtensions
{

public static bool TryParse<T>(this Enum theEnum, string valueToParse, out T returnValue)
{
returnValue = default(T);
if (Enum.IsDefined(typeof(T), valueToParse))
{
TypeConverter converter = TypeDescriptor.GetConverter(typeof(T));
returnValue = (T)converter.ConvertFromString(valueToParse);
return true;
}
return false;
}


}
</syntaxhighlight>

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Is there a pivot point mover for UNITY3d?

Moray has it as a local button in the parameters panel. It makes drawing SO powerful.

: The wiki isn't a good place to ask questions. You'd be better off going to the [http://forum.unity3d.com/ forum] or [http://answers.unity3d.com/ Answers] instead. --[[User:NCarter|NCarter]] 13:38, 1 December 2011 (PST)

Is there a pivot point mover for UNITY3d?

Moray has it as a local button in the parameters panel. It makes drawing SO powerful.

: The wiki isn't a good place to ask questions. You'd be better off going to the [http://forum.unity3d.com/ forum] or [http://answers.unity3d.com/ Answers] instead. --[[User:NCarter|NCarter]] 13:38, 1 December 2011 (PST)

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[[Category:Spam]]

== \/Spam\/ ==

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It is usually important to adhere to the methods of [http://www.983wedding.com/etiquette/ Wedding Invitations Etiquette] to be able to develop a very good impression. Another way of reaching effectiveness is always to keep two envelopes for the invitations. The true secret here would be to make the outer envelop have the specifics of the person who must be contacted and the inner one should have the cards that you want to send. The inner cover must also have details about the guests that you plan to invite to your wedding ceremony. It shouldn't always have the address of the receiver.

Writing the envelopes is not always always easy specifically when the pressure from other task begins to raise. Among the primary elements of the wedding invitations etiquette would be to target various individuality. For example a divorced female invitee should be addressed as Miss or Ms., in the same way like we address an unmarried lady.
These are several essential factors that must be covered with a present mind since if by accident you address a separated lady by Mrs., then it might be an offensive word and this is the factor which you don't want to happen. Furthermore, a young boy is referenced as ‘Master’ and a grown up as ‘Mr.’ To help keep these factors in mind is quite vital as they make a lasting impression on the vision of the guests.

You can even add the names of those people who can go along with your guests like friends, family members, relatives and colleagues. Youngsters could even be contained in the guests list. It is typically implemented to offer a proper regard to youngsters who then feel happy to become part of the family.
Another essential point to take into consideration for the wedding invitations etiquette would be to be sure that you mention the names on the envelopes distinctly and to not utilize abbreviations or nicknames since it won't make uncertainty but it will also make a poor impact.
'' </s>

Asia can be described as a territory sheltering various ethnicities, each of which is abundant with its customs. To set an Asian theme in your wedding signifies that you'll have a range of colorful and cheerful options to choose from. Be it Oriental or Indian you could turn your big day into an elegant, classic and traditional occasion which you as well as your attendees will remember.

Planning a wedding usually means you must prepare a lot of things at the same time. When you have elected your concept, the other points follows. To obtain a flawless wedding you may want every thing including the gown, tunes, cake, decorations, cuisine, Invitation cards and place holders in accordance with the design.

There are various suggestions for [http://www.983wedding.com/showroom/asian-wedding-invitations/ Asian Wedding Invitations] and whether you need to make them made or create them by hand you could allow your ingenuity go wild. That is the fun if you are creating Asian wedding invitations. You could have lots of space to become inventive and experiment with colors and concepts.

Below are a few ideas you can use while planning your Asian wedding invitations. Whenever you picture Asia, you might think of China and whenever you think of China, a lot of things get to your mind. If you don't do other things and just make use of a Chinese font in the middle of your greeting card saying for example “you are invited” then handwrite or print the other invite, your card will appear splendidly asian.

Bear in mind, colors carry out an essential part. Beige or possibly a cream color card that has a cherry blossom in it will have a smartly trendy look. You can be imaginative and style the card in a way that it has two flaps which unwrap in the middle. The cherry blossoms are printed out on the upper flaps and when the attendees open these flaps they could read through your wedding invitation.

Bamboos can also be the theme on your card. And this can also grant you plenty of space to play around when doing decorations and making place cards. A classy bamboo drawn against a single cream card may certainly seem exotic. The selection of the font will make a lot of difference as well.

If you need something entirely and thoroughly timeless, one thing you would like your wedding guests to recollect for a long time, go for the scroll. A stylish piece of parchment in a hot color folded and attached with a lace of your choice. As soon as the attendees open it up they can read the invite in vibrant golden font.

An ecru single card with a happiness mark as a concept could be low-cost yet stylish and may encompass the actual Asian spirit. Also, you can astonish your invited guests by simply placing silk red rose flower petals in your wedding invitation.

If you have a small number of people to invite you can even customize the fortune cookie to a wedding cookie. Your guests will likely be pleasantly surprised to receive a cookie holding your wedding invitation. In case you still would like to take a look at more ideas you could find [http://www.983wedding.com/showroom/free-wedding-invitation-templates/ Free Wedding Invitation Templates] easily on the net.

The below script generates a mesh for use in a tile based game. In order to utilize it simply attach it t a gameobject, populate the public variables, and hit play. You should be greeted with a grid of the size you chose with randomly changing tiles.

Make sure that under the properties of your Texture you have FilterMode: Point and WrapMode: Clamp otherwise you will see artifacts as you move the map around. Also ensure that your texture is Power of 2 height and width.. 256x256, 512x512, 512x256, 1024x512 etc..

In order for this to actually be useful you will need to write the logic that calls UpdateGrid() elsewhere in your code to render your level.. And obviously turn off the code in Update() that randomly sets tiles. :)

There is a unitypackage attached to the forum thread linked here[http://forum.unity3d.com/threads/115892-VERY-basic-script-for-creating-a-2d-tile-grid]; it shows an example modification of the code below to load a simple level file from resource and draw it to the grid.


<javascript>
using System.Collections.Generic;
using UnityEngine;

[RequireComponent(typeof(MeshFilter))]
[RequireComponent(typeof(MeshRenderer))]
public class CreateMesh : MonoBehaviour
{
public int TileWidth = 16;
public int TileHeight = 16;
public int NumTilesX = 16;
public int NumTilesY = 16;
public int TileGridWidth = 100;
public int TileGridHeight = 100;
public int DefaultTileX;
public int DefaultTileY;
public Texture2D Texture;

void OnEnable()
{
CreatePlane(TileWidth, TileHeight, TileGridWidth, TileGridHeight);
}

void Update()
{
var tileColumn = Random.Range(0, NumTilesX);
var tileRow = Random.Range(0, NumTilesY);

var x = Random.Range(0, TileGridWidth);
var y = Random.Range(0, TileGridHeight);

UpdateGrid(new Vector2(x, y), new Vector2(tileColumn, tileRow), TileWidth, TileHeight, TileGridWidth);
}

public void UpdateGrid(Vector2 gridIndex, Vector2 tileIndex, int tileWidth, int tileHeight, int gridWidth)
{
var mesh = GetComponent<MeshFilter>().mesh;
var uvs = mesh.uv;

var tileSizeX = 1.0f / NumTilesX;
var tileSizeY = 1.0f / NumTilesY;

mesh.uv = uvs;

uvs[(int)(gridWidth * gridIndex.x + gridIndex.y) * 4 + 0] = new Vector2(tileIndex.x * tileSizeX, tileIndex.y * tileSizeY);
uvs[(int)(gridWidth * gridIndex.x + gridIndex.y) * 4 + 1] = new Vector2((tileIndex.x + 1) * tileSizeX, tileIndex.y * tileSizeY);
uvs[(int)(gridWidth * gridIndex.x + gridIndex.y) * 4 + 2] = new Vector2((tileIndex.x + 1) * tileSizeX, (tileIndex.y + 1) * tileSizeY);
uvs[(int)(gridWidth * gridIndex.x + gridIndex.y) * 4 + 3] = new Vector2(tileIndex.x * tileSizeX, (tileIndex.y + 1) * tileSizeY);

mesh.uv = uvs;
}

void CreatePlane(int tileHeight, int tileWidth, int gridHeight, int gridWidth)
{
var mesh = new Mesh();
var mf = GetComponent<MeshFilter>();
mf.renderer.material.SetTexture("_MainTex", Texture);
mf.mesh = mesh;

var tileSizeX = 1.0f / NumTilesX;
var tileSizeY = 1.0f / NumTilesY;

var vertices = new List<Vector3>();
var triangles = new List<int>();
var normals = new List<Vector3>();
var uvs = new List<Vector2>();

var index = 0;
for (var x = 0; x < gridWidth; x++) {
for (var y = 0; y < gridHeight; y++) {
AddVertices(tileHeight, tileWidth, y, x, vertices);
index = AddTriangles(index, triangles);
AddNormals(normals);
AddUvs(DefaultTileX, tileSizeY, tileSizeX, uvs, DefaultTileY);
}
}

mesh.vertices = vertices.ToArray();
mesh.normals = normals.ToArray();
mesh.triangles = triangles.ToArray();
mesh.uv = uvs.ToArray();
mesh.RecalculateNormals();
}

private static void AddVertices(int tileHeight, int tileWidth, int y, int x, ICollection<Vector3> vertices)
{
vertices.Add(new Vector3((x * tileWidth), (y * tileHeight), 0));
vertices.Add(new Vector3((x * tileWidth) + tileWidth, (y * tileHeight), 0));
vertices.Add(new Vector3((x * tileWidth) + tileWidth, (y * tileHeight) + tileHeight, 0));
vertices.Add(new Vector3((x * tileWidth), (y * tileHeight) + tileHeight, 0));
}

private static int AddTriangles(int index, ICollection<int> triangles)
{
triangles.Add(index + 2);
triangles.Add(index + 1);
triangles.Add(index);
triangles.Add(index);
triangles.Add(index + 3);
triangles.Add(index + 2);
index += 4;
return index;
}

private static void AddNormals(ICollection<Vector3> normals)
{
normals.Add(Vector3.forward);
normals.Add(Vector3.forward);
normals.Add(Vector3.forward);
normals.Add(Vector3.forward);
}

private static void AddUvs(int tileRow, float tileSizeY, float tileSizeX, ICollection<Vector2> uvs, int tileColumn)
{
uvs.Add(new Vector2(tileColumn * tileSizeX, tileRow * tileSizeY));
uvs.Add(new Vector2((tileColumn + 1) * tileSizeX, tileRow * tileSizeY));
uvs.Add(new Vector2((tileColumn + 1) * tileSizeX, (tileRow + 1) * tileSizeY));
uvs.Add(new Vector2(tileColumn * tileSizeX, (tileRow + 1) * tileSizeY));
}
}
</javascript>

The below script generates a mesh for use in a tile based game. In order to utilize it simply attach it t a gameobject, populate the public variables, and hit play. You should be greeted with a grid of the size you chose with randomly changing tiles.

Make sure that under the properties of your Texture you have FilterMode: Point and WrapMode: Clamp otherwise you will see artifacts as you move the map around. Also ensure that your texture is Power of 2 height and width.. 256x256, 512x512, 512x256, 1024x512 etc..

In order for this to actually be useful you will need to write the logic that calls UpdateGrid() elsewhere in your code to render your level.. And obviously turn off the code in Update() that randomly sets tiles. :)

There is a unitypackage attached to the forum thread linked here[http://forum.unity3d.com/threads/115892-VERY-basic-script-for-creating-a-2d-tile-grid]; it shows an example modification of the code below to load a simple level file from resource and draw it to the grid.


<syntaxhighlight lang="javascript">
using System.Collections.Generic;
using UnityEngine;

[RequireComponent(typeof(MeshFilter))]
[RequireComponent(typeof(MeshRenderer))]
public class CreateMesh : MonoBehaviour
{
public int TileWidth = 16;
public int TileHeight = 16;
public int NumTilesX = 16;
public int NumTilesY = 16;
public int TileGridWidth = 100;
public int TileGridHeight = 100;
public int DefaultTileX;
public int DefaultTileY;
public Texture2D Texture;

void OnEnable()
{
CreatePlane(TileWidth, TileHeight, TileGridWidth, TileGridHeight);
}

void Update()
{
var tileColumn = Random.Range(0, NumTilesX);
var tileRow = Random.Range(0, NumTilesY);

var x = Random.Range(0, TileGridWidth);
var y = Random.Range(0, TileGridHeight);

UpdateGrid(new Vector2(x, y), new Vector2(tileColumn, tileRow), TileWidth, TileHeight, TileGridWidth);
}

public void UpdateGrid(Vector2 gridIndex, Vector2 tileIndex, int tileWidth, int tileHeight, int gridWidth)
{
var mesh = GetComponent<MeshFilter>().mesh;
var uvs = mesh.uv;

var tileSizeX = 1.0f / NumTilesX;
var tileSizeY = 1.0f / NumTilesY;

mesh.uv = uvs;

uvs[(int)(gridWidth * gridIndex.x + gridIndex.y) * 4 + 0] = new Vector2(tileIndex.x * tileSizeX, tileIndex.y * tileSizeY);
uvs[(int)(gridWidth * gridIndex.x + gridIndex.y) * 4 + 1] = new Vector2((tileIndex.x + 1) * tileSizeX, tileIndex.y * tileSizeY);
uvs[(int)(gridWidth * gridIndex.x + gridIndex.y) * 4 + 2] = new Vector2((tileIndex.x + 1) * tileSizeX, (tileIndex.y + 1) * tileSizeY);
uvs[(int)(gridWidth * gridIndex.x + gridIndex.y) * 4 + 3] = new Vector2(tileIndex.x * tileSizeX, (tileIndex.y + 1) * tileSizeY);

mesh.uv = uvs;
}

void CreatePlane(int tileHeight, int tileWidth, int gridHeight, int gridWidth)
{
var mesh = new Mesh();
var mf = GetComponent<MeshFilter>();
mf.renderer.material.SetTexture("_MainTex", Texture);
mf.mesh = mesh;

var tileSizeX = 1.0f / NumTilesX;
var tileSizeY = 1.0f / NumTilesY;

var vertices = new List<Vector3>();
var triangles = new List<int>();
var normals = new List<Vector3>();
var uvs = new List<Vector2>();

var index = 0;
for (var x = 0; x < gridWidth; x++) {
for (var y = 0; y < gridHeight; y++) {
AddVertices(tileHeight, tileWidth, y, x, vertices);
index = AddTriangles(index, triangles);
AddNormals(normals);
AddUvs(DefaultTileX, tileSizeY, tileSizeX, uvs, DefaultTileY);
}
}

mesh.vertices = vertices.ToArray();
mesh.normals = normals.ToArray();
mesh.triangles = triangles.ToArray();
mesh.uv = uvs.ToArray();
mesh.RecalculateNormals();
}

private static void AddVertices(int tileHeight, int tileWidth, int y, int x, ICollection<Vector3> vertices)
{
vertices.Add(new Vector3((x * tileWidth), (y * tileHeight), 0));
vertices.Add(new Vector3((x * tileWidth) + tileWidth, (y * tileHeight), 0));
vertices.Add(new Vector3((x * tileWidth) + tileWidth, (y * tileHeight) + tileHeight, 0));
vertices.Add(new Vector3((x * tileWidth), (y * tileHeight) + tileHeight, 0));
}

private static int AddTriangles(int index, ICollection<int> triangles)
{
triangles.Add(index + 2);
triangles.Add(index + 1);
triangles.Add(index);
triangles.Add(index);
triangles.Add(index + 3);
triangles.Add(index + 2);
index += 4;
return index;
}

private static void AddNormals(ICollection<Vector3> normals)
{
normals.Add(Vector3.forward);
normals.Add(Vector3.forward);
normals.Add(Vector3.forward);
normals.Add(Vector3.forward);
}

private static void AddUvs(int tileRow, float tileSizeY, float tileSizeX, ICollection<Vector2> uvs, int tileColumn)
{
uvs.Add(new Vector2(tileColumn * tileSizeX, tileRow * tileSizeY));
uvs.Add(new Vector2((tileColumn + 1) * tileSizeX, tileRow * tileSizeY));
uvs.Add(new Vector2((tileColumn + 1) * tileSizeX, (tileRow + 1) * tileSizeY));
uvs.Add(new Vector2(tileColumn * tileSizeX, (tileRow + 1) * tileSizeY));
}
}
</syntaxhighlight>

[[Category: C Sharp]]
[[Category: Editor]]
[[Category: Editor Scripts]]
[[Category: Utility]]
[[Category: Class]]
[[Category: Undo]]
Author: Daniele Giardini (Holoville)
==Description==
This class allows to manage undo/redo inside any Unity Inspector or Window in an effortless and functional way. It stores undo snapshots only when they're needed (taking into account also TAB field changes and sliders), so that using Unity's undo/redo system correctly undoes/redoes the effective changes that took place.

Works also with windows who manage multiple sources (see examples).

==Usage==
This is an Editor class, thus you have to place it inside an '''Editor folder''', then:
* Inside your Inspector/Window class, create a HOEditorUndoManager variable.
* Instantiate HOEditorUndoManager inside the OnEnable method.
* Inside OnGUI/OnInspectorGUI, call [undoManagerInstance].CheckUndo() BEFORE the first UnityGUI code.
* Inside OnGUI/OnInspectorGUI, call [undoManagerInstance].CheckDirty() AFTER all the UnityGUI code.

==C# - HOEditorUndoManager.cs==
<csharp>// Created by Daniele Giardini - 2011 - Holoville - http://www.holoville.com

using UnityEditor;
using UnityEngine;

/// <summary>
/// Undo manager.
/// To use it:
/// <list type="number">
/// <item>
/// <description>Store an instance in the related Editor Class (instantiate it inside the <code>OnEnable</code> method).</description>
/// </item>
/// <item>
/// <description>Call <code>undoManagerInstance.CheckUndo()</code> BEFORE the first UnityGUI call in <code>OnInspectorGUI</code>.</description>
/// </item>
/// <item>
/// <description>Call <code>undoManagerInstance.CheckDirty()</code> AFTER the last UnityGUI call in <code>OnInspectorGUI</code>.</description>
/// </item>
/// </list>
/// </summary>
public class HOEditorUndoManager
{
// VARS ///////////////////////////////////////////////////

private Object defTarget;
private string defName;
private bool autoSetDirty;
private bool listeningForGuiChanges;


// ***********************************************************************************
// CONSTRUCTOR
// ***********************************************************************************

/// <summary>
/// Creates a new HOEditorUndoManager,
/// setting it so that the target is marked as dirty each time a new undo is stored.
/// </summary>
/// <param name="p_target">
/// The default <see cref="Object"/> you want to save undo info for.
/// </param>
/// <param name="p_name">
/// The default name of the thing to undo (displayed as "Undo [name]" in the main menu).
/// </param>
public HOEditorUndoManager( Object p_target, string p_name ) : this( p_target, p_name, true ) {}
/// <summary>
/// Creates a new HOEditorUndoManager.
/// </summary>
/// <param name="p_target">
/// The default <see cref="Object"/> you want to save undo info for.
/// </param>
/// <param name="p_name">
/// The default name of the thing to undo (displayed as "Undo [name]" in the main menu).
/// </param>
/// <param name="p_autoSetDirty">
/// If TRUE, marks the target as dirty each time a new undo is stored.
/// </param>
public HOEditorUndoManager( Object p_target, string p_name, bool p_autoSetDirty )
{
defTarget = p_target;
defName = p_name;
autoSetDirty = p_autoSetDirty;
}

// ===================================================================================
// METHODS ---------------------------------------------------------------------------

/// <summary>
/// Call this method BEFORE any undoable UnityGUI call.
/// Manages undo for the default target, with the default name.
/// </summary>
public void CheckUndo() { CheckUndo( defTarget, defName ); }
/// <summary>
/// Call this method BEFORE any undoable UnityGUI call.
/// Manages undo for the given target, with the default name.
/// </summary>
/// <param name="p_target">
/// The <see cref="Object"/> you want to save undo info for.
/// </param>
public void CheckUndo( Object p_target ) { CheckUndo( p_target, defName ); }
/// <summary>
/// Call this method BEFORE any undoable UnityGUI call.
/// Manages undo for the given target, with the given name.
/// </summary>
/// <param name="p_target">
/// The <see cref="Object"/> you want to save undo info for.
/// </param>
/// <param name="p_name">
/// The name of the thing to undo (displayed as "Undo [name]" in the main menu).
/// </param>
public void CheckUndo( Object p_target, string p_name )
{
Event e = Event.current;

if ( ( e.type == EventType.MouseDown && e.button == 0 ) || ( e.type == EventType.KeyUp && e.keyCode == KeyCode.Tab ) ) {
// When the LMB is pressed or the TAB key is released,
// store a snapshot, but don't register it as an undo
// (so that if nothing changes we avoid storing a useless undo).
Undo.SetSnapshotTarget( p_target, p_name );
Undo.CreateSnapshot();
Undo.ClearSnapshotTarget(); // Not sure if this is necessary.
listeningForGuiChanges = true;
}
}

/// <summary>
/// Call this method AFTER any undoable UnityGUI call.
/// Manages undo for the default target, with the default name.
/// </summary>
public void CheckDirty() { CheckDirty( defTarget, defName ); }
/// <summary>
/// Call this method AFTER any undoable UnityGUI call.
/// Manages undo for the given target, with the default name.
/// </summary>
/// <param name="p_target">
/// The <see cref="Object"/> you want to save undo info for.
/// </param>
public void CheckDirty( Object p_target ) { CheckDirty( p_target, defName ); }
/// <summary>
/// Call this method AFTER any undoable UnityGUI call.
/// Manages undo for the given target, with the given name.
/// </summary>
/// <param name="p_target">
/// The <see cref="Object"/> you want to save undo info for.
/// </param>
/// <param name="p_name">
/// The name of the thing to undo (displayed as "Undo [name]" in the main menu).
/// </param>
public void CheckDirty( Object p_target, string p_name )
{
if ( listeningForGuiChanges && GUI.changed ) {
// Some GUI value changed after pressing the mouse
// or releasing the TAB key.
// Register the previous snapshot as a valid undo.
Undo.SetSnapshotTarget( p_target, p_name );
Undo.RegisterSnapshot();
Undo.ClearSnapshotTarget(); // Not sure if this is necessary.
if ( autoSetDirty ) EditorUtility.SetDirty( p_target );
listeningForGuiChanges = false;
}
}
}
</csharp>

==C# Example - Inspector with single source==
How to use HOEditorUndoManager with a single source Inspector.

<csharp>using UnityEditor;

[CustomEditor( typeof( SampleClass) )]

public class HOSampleClassInspector: Editor
{
// VARS ///////////////////////////////////////////////////

private SampleClass src;
private HOEditorUndoManager undoManager;

// ===================================================================================
// UNITY METHODS ---------------------------------------------------------------------

private void OnEnable()
{
src = target as SampleClass;

// Instantiate undoManager
undoManager = new HOEditorUndoManager( src, "SampleName" );
}

override public void OnInspectorGUI()
{
undoManager.CheckUndo(); // Check undo BEFORE GUI code.

src.sampleProperty1 = EditorGUILayout.TextField( "Text", src.sampleProperty1 );
src.sampleProperty2 = EditorGUILayout.TextField( "Text", src.sampleProperty2 );
src.sampleProperty3 = EditorGUILayout.TextField( "Text", src.sampleProperty3 );

undoManager.CheckDirty(); // Check dirty AFTER all GUI code.
}
}
</csharp>

==C# Example - Window with multiple sources==
How to use HOEditorUndoManager with a single window that controls two different objects/sources.

<csharp>using UnityEditor;

public class HOSampleWindow: EditorWindow
{
[MenuItem( "Sample Window" )]
static void ShowWindow()
{
EditorWindow.GetWindow( typeof( HOSampleWindow ), false, "Sample Window" );
}

// VARS ///////////////////////////////////////////////////

private SampleClass1 src1;
private SampleClass2 src2;
private HOEditorUndoManager undoManager;

// ===================================================================================
// UNITY METHODS ---------------------------------------------------------------------

private void OnEnable()
{
src1 = AssetDatabase.LoadAssetAtPath( Assets/Resources/SampleObj1.prefab, typeof( SampleClass1 ) ) as SampleClass1;
src2 = AssetDatabase.LoadAssetAtPath( Assets/Resources/SampleObj2.prefab, typeof( SampleClass2 ) ) as SampleClass2;

// Instantiate undoManager (setting the default source and the default name that will appear in the undo menu for all undos related to this window)
undoManager = new HOEditorUndoManager( src1, "SampleName" );
}

override public void OnGUI()
{
// GUI code related to each source must be separated,
// so that we can encapsulate it within each CheckUndo and CheckDirty.

// src1 undo management and GUI.
// No need to specify CheckUndo and CheckDirty target here because we have set it as default during instantiation.
undoManager.CheckUndo(); // Check undo for default source BEFORE its GUI code.
src1.sampleProperty1 = EditorGUILayout.TextField( "Text", src1.sampleProperty1 );
src1.sampleProperty2 = EditorGUILayout.TextField( "Text", src1.sampleProperty2 );
src1.sampleProperty3 = EditorGUILayout.TextField( "Text", src1.sampleProperty3 );
undoManager.CheckDirty(); // Check dirty for default source AFTER all its GUI code.

// src2 undo management and GUI.
undoManager.CheckUndo( src2 ); // Check undo for other source BEFORE its GUI code.
src2.sampleProperty1 = EditorGUILayout.TextField( "Text", src2.sampleProperty1 );
src2.sampleProperty2 = EditorGUILayout.TextField( "Text", src2.sampleProperty2 );
src2.sampleProperty3 = EditorGUILayout.TextField( "Text", src2.sampleProperty3 );
undoManager.CheckDirty( src2 ); // Check dirty for other source AFTER all its GUI code.
}
}
</csharp>

[[Category: C Sharp]]
[[Category: Editor]]
[[Category: Editor Scripts]]
[[Category: Utility]]
[[Category: Class]]
[[Category: Undo]]
Author: Daniele Giardini (Holoville)
==Description==
This class allows to manage undo/redo inside any Unity Inspector or Window in an effortless and functional way. It stores undo snapshots only when they're needed (taking into account also TAB field changes and sliders), so that using Unity's undo/redo system correctly undoes/redoes the effective changes that took place.

Works also with windows who manage multiple sources (see examples).

==Usage==
This is an Editor class, thus you have to place it inside an '''Editor folder''', then:
* Inside your Inspector/Window class, create a HOEditorUndoManager variable.
* Instantiate HOEditorUndoManager inside the OnEnable method.
* Inside OnGUI/OnInspectorGUI, call [undoManagerInstance].CheckUndo() BEFORE the first UnityGUI code.
* Inside OnGUI/OnInspectorGUI, call [undoManagerInstance].CheckDirty() AFTER all the UnityGUI code.

==C# - HOEditorUndoManager.cs==
<syntaxhighlight lang="csharp">// Created by Daniele Giardini - 2011 - Holoville - http://www.holoville.com

using UnityEditor;
using UnityEngine;

/// <summary>
/// Undo manager.
/// To use it:
/// <list type="number">
/// <item>
/// <description>Store an instance in the related Editor Class (instantiate it inside the <code>OnEnable</code> method).</description>
/// </item>
/// <item>
/// <description>Call <code>undoManagerInstance.CheckUndo()</code> BEFORE the first UnityGUI call in <code>OnInspectorGUI</code>.</description>
/// </item>
/// <item>
/// <description>Call <code>undoManagerInstance.CheckDirty()</code> AFTER the last UnityGUI call in <code>OnInspectorGUI</code>.</description>
/// </item>
/// </list>
/// </summary>
public class HOEditorUndoManager
{
// VARS ///////////////////////////////////////////////////

private Object defTarget;
private string defName;
private bool autoSetDirty;
private bool listeningForGuiChanges;


// ***********************************************************************************
// CONSTRUCTOR
// ***********************************************************************************

/// <summary>
/// Creates a new HOEditorUndoManager,
/// setting it so that the target is marked as dirty each time a new undo is stored.
/// </summary>
/// <param name="p_target">
/// The default <see cref="Object"/> you want to save undo info for.
/// </param>
/// <param name="p_name">
/// The default name of the thing to undo (displayed as "Undo [name]" in the main menu).
/// </param>
public HOEditorUndoManager( Object p_target, string p_name ) : this( p_target, p_name, true ) {}
/// <summary>
/// Creates a new HOEditorUndoManager.
/// </summary>
/// <param name="p_target">
/// The default <see cref="Object"/> you want to save undo info for.
/// </param>
/// <param name="p_name">
/// The default name of the thing to undo (displayed as "Undo [name]" in the main menu).
/// </param>
/// <param name="p_autoSetDirty">
/// If TRUE, marks the target as dirty each time a new undo is stored.
/// </param>
public HOEditorUndoManager( Object p_target, string p_name, bool p_autoSetDirty )
{
defTarget = p_target;
defName = p_name;
autoSetDirty = p_autoSetDirty;
}

// ===================================================================================
// METHODS ---------------------------------------------------------------------------

/// <summary>
/// Call this method BEFORE any undoable UnityGUI call.
/// Manages undo for the default target, with the default name.
/// </summary>
public void CheckUndo() { CheckUndo( defTarget, defName ); }
/// <summary>
/// Call this method BEFORE any undoable UnityGUI call.
/// Manages undo for the given target, with the default name.
/// </summary>
/// <param name="p_target">
/// The <see cref="Object"/> you want to save undo info for.
/// </param>
public void CheckUndo( Object p_target ) { CheckUndo( p_target, defName ); }
/// <summary>
/// Call this method BEFORE any undoable UnityGUI call.
/// Manages undo for the given target, with the given name.
/// </summary>
/// <param name="p_target">
/// The <see cref="Object"/> you want to save undo info for.
/// </param>
/// <param name="p_name">
/// The name of the thing to undo (displayed as "Undo [name]" in the main menu).
/// </param>
public void CheckUndo( Object p_target, string p_name )
{
Event e = Event.current;

if ( ( e.type == EventType.MouseDown && e.button == 0 ) || ( e.type == EventType.KeyUp && e.keyCode == KeyCode.Tab ) ) {
// When the LMB is pressed or the TAB key is released,
// store a snapshot, but don't register it as an undo
// (so that if nothing changes we avoid storing a useless undo).
Undo.SetSnapshotTarget( p_target, p_name );
Undo.CreateSnapshot();
Undo.ClearSnapshotTarget(); // Not sure if this is necessary.
listeningForGuiChanges = true;
}
}

/// <summary>
/// Call this method AFTER any undoable UnityGUI call.
/// Manages undo for the default target, with the default name.
/// </summary>
public void CheckDirty() { CheckDirty( defTarget, defName ); }
/// <summary>
/// Call this method AFTER any undoable UnityGUI call.
/// Manages undo for the given target, with the default name.
/// </summary>
/// <param name="p_target">
/// The <see cref="Object"/> you want to save undo info for.
/// </param>
public void CheckDirty( Object p_target ) { CheckDirty( p_target, defName ); }
/// <summary>
/// Call this method AFTER any undoable UnityGUI call.
/// Manages undo for the given target, with the given name.
/// </summary>
/// <param name="p_target">
/// The <see cref="Object"/> you want to save undo info for.
/// </param>
/// <param name="p_name">
/// The name of the thing to undo (displayed as "Undo [name]" in the main menu).
/// </param>
public void CheckDirty( Object p_target, string p_name )
{
if ( listeningForGuiChanges && GUI.changed ) {
// Some GUI value changed after pressing the mouse
// or releasing the TAB key.
// Register the previous snapshot as a valid undo.
Undo.SetSnapshotTarget( p_target, p_name );
Undo.RegisterSnapshot();
Undo.ClearSnapshotTarget(); // Not sure if this is necessary.
if ( autoSetDirty ) EditorUtility.SetDirty( p_target );
listeningForGuiChanges = false;
}
}
}
</syntaxhighlight>

==C# Example - Inspector with single source==
How to use HOEditorUndoManager with a single source Inspector.

<syntaxhighlight lang="csharp">using UnityEditor;

[CustomEditor( typeof( SampleClass) )]

public class HOSampleClassInspector: Editor
{
// VARS ///////////////////////////////////////////////////

private SampleClass src;
private HOEditorUndoManager undoManager;

// ===================================================================================
// UNITY METHODS ---------------------------------------------------------------------

private void OnEnable()
{
src = target as SampleClass;

// Instantiate undoManager
undoManager = new HOEditorUndoManager( src, "SampleName" );
}

override public void OnInspectorGUI()
{
undoManager.CheckUndo(); // Check undo BEFORE GUI code.

src.sampleProperty1 = EditorGUILayout.TextField( "Text", src.sampleProperty1 );
src.sampleProperty2 = EditorGUILayout.TextField( "Text", src.sampleProperty2 );
src.sampleProperty3 = EditorGUILayout.TextField( "Text", src.sampleProperty3 );

undoManager.CheckDirty(); // Check dirty AFTER all GUI code.
}
}
</syntaxhighlight>

==C# Example - Window with multiple sources==
How to use HOEditorUndoManager with a single window that controls two different objects/sources.

<syntaxhighlight lang="csharp">using UnityEditor;

public class HOSampleWindow: EditorWindow
{
[MenuItem( "Sample Window" )]
static void ShowWindow()
{
EditorWindow.GetWindow( typeof( HOSampleWindow ), false, "Sample Window" );
}

// VARS ///////////////////////////////////////////////////

private SampleClass1 src1;
private SampleClass2 src2;
private HOEditorUndoManager undoManager;

// ===================================================================================
// UNITY METHODS ---------------------------------------------------------------------

private void OnEnable()
{
src1 = AssetDatabase.LoadAssetAtPath( Assets/Resources/SampleObj1.prefab, typeof( SampleClass1 ) ) as SampleClass1;
src2 = AssetDatabase.LoadAssetAtPath( Assets/Resources/SampleObj2.prefab, typeof( SampleClass2 ) ) as SampleClass2;

// Instantiate undoManager (setting the default source and the default name that will appear in the undo menu for all undos related to this window)
undoManager = new HOEditorUndoManager( src1, "SampleName" );
}

override public void OnGUI()
{
// GUI code related to each source must be separated,
// so that we can encapsulate it within each CheckUndo and CheckDirty.

// src1 undo management and GUI.
// No need to specify CheckUndo and CheckDirty target here because we have set it as default during instantiation.
undoManager.CheckUndo(); // Check undo for default source BEFORE its GUI code.
src1.sampleProperty1 = EditorGUILayout.TextField( "Text", src1.sampleProperty1 );
src1.sampleProperty2 = EditorGUILayout.TextField( "Text", src1.sampleProperty2 );
src1.sampleProperty3 = EditorGUILayout.TextField( "Text", src1.sampleProperty3 );
undoManager.CheckDirty(); // Check dirty for default source AFTER all its GUI code.

// src2 undo management and GUI.
undoManager.CheckUndo( src2 ); // Check undo for other source BEFORE its GUI code.
src2.sampleProperty1 = EditorGUILayout.TextField( "Text", src2.sampleProperty1 );
src2.sampleProperty2 = EditorGUILayout.TextField( "Text", src2.sampleProperty2 );
src2.sampleProperty3 = EditorGUILayout.TextField( "Text", src2.sampleProperty3 );
undoManager.CheckDirty( src2 ); // Check dirty for other source AFTER all its GUI code.
}
}
</syntaxhighlight>

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== Description ==
This is a simple function that creates a quad mesh for you (with two triangles), and sets up the vertices, UVs and triangles appropriately. It returns a Mesh object.

== Usage ==

<csharp>
Mesh myQuad = MeshUtils.MakeQuad( 0, 0, 10, 10 );
</csharp>

== Code ==

=== CSharp - MakeQuad.cs ===

<csharp>
using UnityEngine;
using System.Collections;

public class MeshUtils
{
public static Mesh MakeQuad( float originX, float originZ, float sizeX, float sizeZ )
{
Mesh newMesh = new Mesh();

Vector3[] vertices = new Vector3[]
{
new Vector3( originX, 0, originZ ),
new Vector3( originX + sizeX, 0, originZ ),
new Vector3( originX + sizeX, 0, originZ + sizeZ ),
new Vector3( originX, 0, originZ + sizeZ )
};

int[] triangles = new int[]
{
2, 1, 0,
0, 3, 2
};

Vector2[] uvs = new Vector2[]
{
new Vector2( 0, 0 ),
new Vector2( 1, 0 ),
new Vector2( 1, 1 ),
new Vector2( 0, 1 )
};

newMesh.vertices = vertices;
newMesh.triangles = triangles;
newMesh.uv = uvs;

return ( newMesh );
}
}
</csharp>

== Description ==
This is a simple function that creates a quad mesh for you (with two triangles), and sets up the vertices, UVs and triangles appropriately. It returns a Mesh object.

== Usage ==

<syntaxhighlight lang="csharp">
Mesh myQuad = MeshUtils.MakeQuad( 0, 0, 10, 10 );
</syntaxhighlight>

== Code ==

=== CSharp - MakeQuad.cs ===

<syntaxhighlight lang="csharp">
using UnityEngine;
using System.Collections;

public class MeshUtils
{
public static Mesh MakeQuad( float originX, float originZ, float sizeX, float sizeZ )
{
Mesh newMesh = new Mesh();

Vector3[] vertices = new Vector3[]
{
new Vector3( originX, 0, originZ ),
new Vector3( originX + sizeX, 0, originZ ),
new Vector3( originX + sizeX, 0, originZ + sizeZ ),
new Vector3( originX, 0, originZ + sizeZ )
};

int[] triangles = new int[]
{
2, 1, 0,
0, 3, 2
};

Vector2[] uvs = new Vector2[]
{
new Vector2( 0, 0 ),
new Vector2( 1, 0 ),
new Vector2( 1, 1 ),
new Vector2( 0, 1 )
};

newMesh.vertices = vertices;
newMesh.triangles = triangles;
newMesh.uv = uvs;

return ( newMesh );
}
}
</syntaxhighlight>

[[Category: Controller]]
[[Category: CSharp]]
Author: Caue Rego (cawas)

== Description ==
Simple script to detect pinch and/or turning with 2 fingers.

== Usage ==
Easier to explain by example. Attach this to the camera:

<csharp>
void LateUpdate() {
float pinchAmount = 0;
Quaternion desiredRotation = transform.rotation;

DetectTouchMovement.Calculate();

if (Mathf.Abs(DetectTouchMovement.pinchDistanceDelta) > 0) { // zoom
pinchAmount = DetectTouchMovement.pinchDistanceDelta;
}

if (Mathf.Abs(DetectTouchMovement.turnAngleDelta) > 0) { // rotate
Vector3 rotationDeg = Vector3.zero;
rotationDeg.z = -DetectTouchMovement.turnAngleDelta;
desiredRotation *= Quaternion.Euler(rotationDeg);
}


// not so sure those will work:
transform.rotation = desiredRotation;
transform.position += Vector3.forward * pinchAmount;
}
</csharp>

== DetectTouchMovement.cs ==

<csharp>
using UnityEngine;
using System.Collections;

public class DetectTouchMovement : MonoBehaviour {
const float pinchTurnRatio = Mathf.PI / 2;
const float minTurnAngle = 0;

const float pinchRatio = 1;
const float minPinchDistance = 0;

const float panRatio = 1;
const float minPanDistance = 0;

/// <summary>
/// The delta of the angle between two touch points
/// </summary>
static public float turnAngleDelta;
/// <summary>
/// The angle between two touch points
/// </summary>
static public float turnAngle;

/// <summary>
/// The delta of the distance between two touch points that were distancing from each other
/// </summary>
static public float pinchDistanceDelta;
/// <summary>
/// The distance between two touch points that were distancing from each other
/// </summary>
static public float pinchDistance;

/// <summary>
/// Calculates Pinch and Turn - This should be used inside LateUpdate
/// </summary>
static public void Calculate () {
pinchDistance = pinchDistanceDelta = 0;
turnAngle = turnAngleDelta = 0;

// if two fingers are touching the screen at the same time ...
if (Input.touchCount == 2) {
Touch touch1 = Input.touches[0];
Touch touch2 = Input.touches[1];

// ... if at least one of them moved ...
if (touch1.phase == TouchPhase.Moved || touch2.phase == TouchPhase.Moved) {
// ... check the delta distance between them ...
pinchDistance = Vector2.Distance(touch1.position, touch2.position);
float prevDistance = Vector2.Distance(touch1.position - touch1.deltaPosition,
touch2.position - touch2.deltaPosition);
pinchDistanceDelta = pinchDistance - prevDistance;

// ... if it's greater than a minimum threshold, it's a pinch!
if (Mathf.Abs(pinchDistanceDelta) > minPinchDistance) {
pinchDistanceDelta *= pinchRatio;
} else {
pinchDistance = pinchDistanceDelta = 0;
}

// ... or check the delta angle between them ...
turnAngle = Angle(touch1.position, touch2.position);
float prevTurn = Angle(touch1.position - touch1.deltaPosition,
touch2.position - touch2.deltaPosition);
turnAngleDelta = Mathf.DeltaAngle(prevTurn, turnAngle);

// ... if it's greater than a minimum threshold, it's a turn!
if (Mathf.Abs(turnAngleDelta) > minTurnAngle) {
turnAngleDelta *= pinchTurnRatio;
} else {
turnAngle = turnAngleDelta = 0;
}
}
}
}

static private float Angle (Vector2 pos1, Vector2 pos2) {
Vector2 from = pos2 - pos1;
Vector2 to = new Vector2(1, 0);

float result = Vector2.Angle( from, to );
Vector3 cross = Vector3.Cross( from, to );

if (cross.z > 0) {
result = 360f - result;
}

return result;
}
}
</csharp>

[[Category: Controller]]
[[Category: C Sharp]]
Author: Caue Rego (cawas)

== Description ==
Simple script to detect pinch and/or turning with 2 fingers.

== Usage ==
Easier to explain by example. Attach this to the camera:

<syntaxhighlight lang="csharp">
void LateUpdate() {
float pinchAmount = 0;
Quaternion desiredRotation = transform.rotation;

DetectTouchMovement.Calculate();

if (Mathf.Abs(DetectTouchMovement.pinchDistanceDelta) > 0) { // zoom
pinchAmount = DetectTouchMovement.pinchDistanceDelta;
}

if (Mathf.Abs(DetectTouchMovement.turnAngleDelta) > 0) { // rotate
Vector3 rotationDeg = Vector3.zero;
rotationDeg.z = -DetectTouchMovement.turnAngleDelta;
desiredRotation *= Quaternion.Euler(rotationDeg);
}


// not so sure those will work:
transform.rotation = desiredRotation;
transform.position += Vector3.forward * pinchAmount;
}
</syntaxhighlight>

== DetectTouchMovement.cs ==

<syntaxhighlight lang="csharp">
using UnityEngine;
using System.Collections;

public class DetectTouchMovement : MonoBehaviour {
const float pinchTurnRatio = Mathf.PI / 2;
const float minTurnAngle = 0;

const float pinchRatio = 1;
const float minPinchDistance = 0;

const float panRatio = 1;
const float minPanDistance = 0;

/// <summary>
/// The delta of the angle between two touch points
/// </summary>
static public float turnAngleDelta;
/// <summary>
/// The angle between two touch points
/// </summary>
static public float turnAngle;

/// <summary>
/// The delta of the distance between two touch points that were distancing from each other
/// </summary>
static public float pinchDistanceDelta;
/// <summary>
/// The distance between two touch points that were distancing from each other
/// </summary>
static public float pinchDistance;

/// <summary>
/// Calculates Pinch and Turn - This should be used inside LateUpdate
/// </summary>
static public void Calculate () {
pinchDistance = pinchDistanceDelta = 0;
turnAngle = turnAngleDelta = 0;

// if two fingers are touching the screen at the same time ...
if (Input.touchCount == 2) {
Touch touch1 = Input.touches[0];
Touch touch2 = Input.touches[1];

// ... if at least one of them moved ...
if (touch1.phase == TouchPhase.Moved || touch2.phase == TouchPhase.Moved) {
// ... check the delta distance between them ...
pinchDistance = Vector2.Distance(touch1.position, touch2.position);
float prevDistance = Vector2.Distance(touch1.position - touch1.deltaPosition,
touch2.position - touch2.deltaPosition);
pinchDistanceDelta = pinchDistance - prevDistance;

// ... if it's greater than a minimum threshold, it's a pinch!
if (Mathf.Abs(pinchDistanceDelta) > minPinchDistance) {
pinchDistanceDelta *= pinchRatio;
} else {
pinchDistance = pinchDistanceDelta = 0;
}

// ... or check the delta angle between them ...
turnAngle = Angle(touch1.position, touch2.position);
float prevTurn = Angle(touch1.position - touch1.deltaPosition,
touch2.position - touch2.deltaPosition);
turnAngleDelta = Mathf.DeltaAngle(prevTurn, turnAngle);

// ... if it's greater than a minimum threshold, it's a turn!
if (Mathf.Abs(turnAngleDelta) > minTurnAngle) {
turnAngleDelta *= pinchTurnRatio;
} else {
turnAngle = turnAngleDelta = 0;
}
}
}
}

static private float Angle (Vector2 pos1, Vector2 pos2) {
Vector2 from = pos2 - pos1;
Vector2 to = new Vector2(1, 0);

float result = Vector2.Angle( from, to );
Vector3 cross = Vector3.Cross( from, to );

if (cross.z > 0) {
result = 360f - result;
}

return result;
}
}
</syntaxhighlight>

[[Category:C Sharp]]
[[Category: MonoBehaviour]]
[[Category: Shooter]]

Author: Markus Davey

==Description==
This script lets a weapon spawn bullets and propel them forward. It supports ballistic bullets and straight bullets. It supports random scatter of bullets. But have no off switch! Its a very early draft that was submitted to the forums. I felt that it would be a shame if it got lost in the swamp of forum posts.

==Usage==
Attach this script to a weapon.

== CSharp weaponScript.cs ==
<csharp>
using UnityEngine;
using System.Collections;

/// <summary>
/// created by Markus Davey 22/11/2011
/// Basic weapon script
/// Skype: Markus.Davey
/// Unity forums: MarkusDavey
/// </summary>


public class weaponScript : MonoBehaviour
{
// public
public float projMuzzleVelocity; // in metres per second
public GameObject projPrefab;
public float RateOfFire;
public float Inaccuracy;

// private
private float fireTimer;

// Use this for initialization
void Start ()
{
fireTimer = Time.time + RateOfFire;
}

// Update is called once per frame
void Update ()
{
Debug.DrawLine(transform.position, transform.position + transform.forward, Color.red);
if (Time.time > fireTimer)
{
GameObject projectile;
Vector3 muzzlevelocity = transform.forward;

if (Inaccuracy != 0)
{
Vector2 rand = Random.insideUnitCircle;
muzzlevelocity += new Vector3(rand.x, rand.y, 0) * Inaccuracy;
}

muzzlevelocity = muzzlevelocity.normalized * projMuzzleVelocity;

projectile = Instantiate(projPrefab, transform.position, transform.rotation) as GameObject;
projectile.GetComponent<projectileScript>().muzzleVelocity = muzzlevelocity;
fireTimer = Time.time + RateOfFire;
}
else
return;
}
}
</csharp>



== CSharp projectileScript.cs ==
<csharp>
using UnityEngine;
using System.Collections;

/// <summary>
/// created by Markus Davey 22/11/2011
/// Basic projectile script
/// Skype: Markus.Davey
/// Unity forums: MarkusDavey
/// </summary>

public class projectileScript : MonoBehaviour
{
public Vector3 muzzleVelocity;

public float TTL;

public bool isBallistic;
public float Drag; // in metres/s lost per second.

// Use this for initialization
void Start ()
{
if (TTL == 0)
TTL = 5;
print(TTL);
Invoke("projectileTimeout", TTL);
}

// Update is called once per frame
void Update ()
{
if (Drag != 0)
muzzleVelocity += muzzleVelocity * (-Drag * Time.deltaTime);

if (isBallistic)
muzzleVelocity += Physics.gravity * Time.deltaTime;

if (muzzleVelocity == Vector3.zero)
return;
else
transform.position += muzzleVelocity * Time.deltaTime;
transform.LookAt(transform.position + muzzleVelocity.normalized);
Debug.DrawLine(transform.position, transform.position + muzzleVelocity.normalized, Color.red);
}

void projectileTimeout()
{
DestroyObject(gameObject);
}

}
</csharp>

[[Category:C Sharp]]
[[Category: MonoBehaviour]]
[[Category: Shooter]]

Author: Markus Davey

==Description==
This script lets a weapon spawn bullets and propel them forward. It supports ballistic bullets and straight bullets. It supports random scatter of bullets. But have no off switch! Its a very early draft that was submitted to the forums. I felt that it would be a shame if it got lost in the swamp of forum posts.

==Usage==
Attach this script to a weapon.

== CSharp weaponScript.cs ==
<syntaxhighlight lang="csharp">
using UnityEngine;
using System.Collections;

/// <summary>
/// created by Markus Davey 22/11/2011
/// Basic weapon script
/// Skype: Markus.Davey
/// Unity forums: MarkusDavey
/// </summary>


public class weaponScript : MonoBehaviour
{
// public
public float projMuzzleVelocity; // in metres per second
public GameObject projPrefab;
public float RateOfFire;
public float Inaccuracy;

// private
private float fireTimer;

// Use this for initialization
void Start ()
{
fireTimer = Time.time + RateOfFire;
}

// Update is called once per frame
void Update ()
{
Debug.DrawLine(transform.position, transform.position + transform.forward, Color.red);
if (Time.time > fireTimer)
{
GameObject projectile;
Vector3 muzzlevelocity = transform.forward;

if (Inaccuracy != 0)
{
Vector2 rand = Random.insideUnitCircle;
muzzlevelocity += new Vector3(rand.x, rand.y, 0) * Inaccuracy;
}

muzzlevelocity = muzzlevelocity.normalized * projMuzzleVelocity;

projectile = Instantiate(projPrefab, transform.position, transform.rotation) as GameObject;
projectile.GetComponent<projectileScript>().muzzleVelocity = muzzlevelocity;
fireTimer = Time.time + RateOfFire;
}
else
return;
}
}
</syntaxhighlight>



== CSharp projectileScript.cs ==
<syntaxhighlight lang="csharp">
using UnityEngine;
using System.Collections;

/// <summary>
/// created by Markus Davey 22/11/2011
/// Basic projectile script
/// Skype: Markus.Davey
/// Unity forums: MarkusDavey
/// </summary>

public class projectileScript : MonoBehaviour
{
public Vector3 muzzleVelocity;

public float TTL;

public bool isBallistic;
public float Drag; // in metres/s lost per second.

// Use this for initialization
void Start ()
{
if (TTL == 0)
TTL = 5;
print(TTL);
Invoke("projectileTimeout", TTL);
}

// Update is called once per frame
void Update ()
{
if (Drag != 0)
muzzleVelocity += muzzleVelocity * (-Drag * Time.deltaTime);

if (isBallistic)
muzzleVelocity += Physics.gravity * Time.deltaTime;

if (muzzleVelocity == Vector3.zero)
return;
else
transform.position += muzzleVelocity * Time.deltaTime;
transform.LookAt(transform.position + muzzleVelocity.normalized);
Debug.DrawLine(transform.position, transform.position + muzzleVelocity.normalized, Color.red);
}

void projectileTimeout()
{
DestroyObject(gameObject);
}

}
</syntaxhighlight>

[[Category:Scripts]]
[[Category:JavaScript]]
[[Category:C Sharp]]
[[Category:ReallySimpleScripts]]
== Summary ==

This is a simple script which can be used to convert a time value in seconds into a readable text string. e.g. 15 => 15 seconds, or 3601 => 1 hour etc...

== Script (Javascript) ==
<javascript>
function textTime (seconds : int)
{
if (seconds < 0) {
return '0';
}
if (seconds < 60) {
n = seconds;
return n + ' second' + s(n);
}
if (seconds < 60 * 60) {
n = Mathf.Floor(seconds/60);
return n + ' minute' + s(n);
}
if (seconds < 60 * 60 * 24) {
n = Mathf.Floor(seconds/60/60);
return n + ' hour' + s(n);
}
if (seconds < 60 * 60 * 24 * 7) {
n = Mathf.Floor(seconds/60/60/24);
return n + ' day' + s(n);
}
if (seconds < 60 * 60 * 24 * 31) {
n = Mathf.Floor(seconds/60/60/24/7);
return n + ' week' + s(n);
}
if (seconds < 60 * 60 * 24 * 365) {
n = Mathf.Floor(seconds/60/60/24/31);
return n + ' month' + s(n);
}
n = Mathf.Floor(seconds/60/60/24/365);
return n + ' year' + s(n);
}

function s (n : float) {
return n == 1 ? '' : 's';
}
</javascript>

== Script (CSharp) ==
<csharp>
string s (int n) {
if (n == 1) {
return (" ");
} else {
return ("s");
}
}

string textTime (float seconds) {
int n = 0;
string outString = "error";
if (seconds < 0) {
return "0 seconds";
}
if (seconds < 60) {
n = (int)Mathf.Floor(seconds);
outString = n + " second" + s(n);
return outString;
}
if (seconds < 60 * 60) {
n = (int)Mathf.Floor(seconds/60);
outString = n + " minute" + s(n);
return outString;
}
if (seconds < 60 * 60 * 24) {
n = (int)Mathf.Floor(seconds/60/60);
outString = n + " hour" + s(n);
return outString;
}
if (seconds < 60 * 60 * 24 * 7) {
n = (int)Mathf.Floor(seconds/60/60/24);
outString = n + " day" + s(n);
return outString;
}
if (seconds < 60 * 60 * 24 * 31) {
n = (int)Mathf.Floor(seconds/60/60/24/7);
outString = n + " week" + s(n);
return outString;
}
if (seconds < 60 * 60 * 24 * 365) {
n = (int)Mathf.Floor(seconds/60/60/24/31);
outString = n + " month" + s(n);
return outString;
}
n = (int)Mathf.Floor(seconds/60/60/24/365);
outString = n + " year" + s(n);
return outString;
}
</csharp>

== Usage ==
Place anywhere in your monobehaviour and call using something similar to:

JS:
<javascript>
var timeAsText : String = textTime(Time.time);
</javascript>
C#
<csharp>
string timeAsText = textTime(Time.time);
</csharp>

Time.time being replaced by your own variable in seconds.

[[Category:Scripts]]
[[Category:JavaScript]]
[[Category:C Sharp]]
[[Category:ReallySimpleScripts]]
== Summary ==

This is a simple script which can be used to convert a time value in seconds into a readable text string. e.g. 15 => 15 seconds, or 3601 => 1 hour etc...

== Script (Javascript) ==
<syntaxhighlight lang="javascript">
function textTime (seconds : int)
{
if (seconds < 0) {
return '0';
}
if (seconds < 60) {
n = seconds;
return n + ' second' + s(n);
}
if (seconds < 60 * 60) {
n = Mathf.Floor(seconds/60);
return n + ' minute' + s(n);
}
if (seconds < 60 * 60 * 24) {
n = Mathf.Floor(seconds/60/60);
return n + ' hour' + s(n);
}
if (seconds < 60 * 60 * 24 * 7) {
n = Mathf.Floor(seconds/60/60/24);
return n + ' day' + s(n);
}
if (seconds < 60 * 60 * 24 * 31) {
n = Mathf.Floor(seconds/60/60/24/7);
return n + ' week' + s(n);
}
if (seconds < 60 * 60 * 24 * 365) {
n = Mathf.Floor(seconds/60/60/24/31);
return n + ' month' + s(n);
}
n = Mathf.Floor(seconds/60/60/24/365);
return n + ' year' + s(n);
}

function s (n : float) {
return n == 1 ? '' : 's';
}
</syntaxhighlight>

== Script (CSharp) ==
<syntaxhighlight lang="csharp">
string s (int n) {
if (n == 1) {
return (" ");
} else {
return ("s");
}
}

string textTime (float seconds) {
int n = 0;
string outString = "error";
if (seconds < 0) {
return "0 seconds";
}
if (seconds < 60) {
n = (int)Mathf.Floor(seconds);
outString = n + " second" + s(n);
return outString;
}
if (seconds < 60 * 60) {
n = (int)Mathf.Floor(seconds/60);
outString = n + " minute" + s(n);
return outString;
}
if (seconds < 60 * 60 * 24) {
n = (int)Mathf.Floor(seconds/60/60);
outString = n + " hour" + s(n);
return outString;
}
if (seconds < 60 * 60 * 24 * 7) {
n = (int)Mathf.Floor(seconds/60/60/24);
outString = n + " day" + s(n);
return outString;
}
if (seconds < 60 * 60 * 24 * 31) {
n = (int)Mathf.Floor(seconds/60/60/24/7);
outString = n + " week" + s(n);
return outString;
}
if (seconds < 60 * 60 * 24 * 365) {
n = (int)Mathf.Floor(seconds/60/60/24/31);
outString = n + " month" + s(n);
return outString;
}
n = (int)Mathf.Floor(seconds/60/60/24/365);
outString = n + " year" + s(n);
return outString;
}
</syntaxhighlight>

== Usage ==
Place anywhere in your monobehaviour and call using something similar to:

JS:
<syntaxhighlight lang="javascript">
var timeAsText : String = textTime(Time.time);
</syntaxhighlight>
C#
<syntaxhighlight lang="csharp">
string timeAsText = textTime(Time.time);
</syntaxhighlight>

Time.time being replaced by your own variable in seconds.

[[Category:Design Patterns]]
[[Category:Messaging]]
[[Category:C Sharp]]
Author: Ilya Suzdalnitski


== Description ==
This is an advanced version of a messaging system for C#.
It will automatically clean up its event table after a new level has been loaded. This will prevent the programmer from accidentally invoking destroyed methods and thus will help prevent many MissingReferenceExceptions.
This messaging system is based on Rod Hyde's [[CSharpMessenger]] and Magnus Wolffelt's [[CSharpMessenger Extended]].

== Foreword ==
Upon introduction of a messaging system into our project ([[CSharpMessenger Extended]]) we started facing very strange bugs. Unity3d would throw MissingReferenceExceptions every time a message was broadcasted. It would say that the class, where the message handler was declared in, was destroyed. The problem came out of nowhere and there was not a reasonable explanation behind it. However placing the message handler code within try-catch blocks solved the problem. We understood that it was not a good solution to have hundreds of try-catch blocks in our code.
It took us some time to finally figure out where was the problem.

=== Cause behind the MissingReferenceException and solution ===
It turned out, that the MissingReferenceException bug appeared, when a new level was loaded (or current one was reloaded). For example, we have a message '''''"start game"''''', declared as follows:
<csharp>
public class MainMenu : MonoBehaviour {
void Start ()
{
Messenger.AddListener("start game", StartGame);
}

void StartGame()
{
Debug.Log("StartGame called in" + gameObject); //This is the line that would throw an exception
}

void StartGameButtonPressed()
{
Messenger.Broadcast("start game");
}
}
</csharp>

At first glance, there's no problem at all, but after the level has been reloaded, Unity3d will throw an exception, saying that MainMenu has been destroyed. However there's no code that would EVER destroy the MainMenu script.

What actually happened is:
# We added a "start game" message listener to our Messenger.
# StartGameButtonPressed was called which in turn broadcasted the "start game" message.
# We reloaded the level with Application.LoadLevel.
# Step 1 repeated.
# Step 2 repeated.

Here's how eventTable of the messenger looks like at corresponding steps:
* At step 1: { '''''"start game", mainMenu1- > StartGame();''''' }
* At step 4: { '''''"start game", mainMenu1- > StartGame();''''' } { '''''"start game", mainMenu2- > StartGame();''''' }

So at step 4 we have two message handler for the same '''''"start game"''''' message - the first one is for the destroyed MainMenu object (got destroyed when reloaded a level), and the second one it for the current valid MainMenu object.
It turns out that when we broadcast the '''''"start game"''''' message after reloading the level, the messenger invokes both - the destroyed and the valid message handlers. This is where the MissingReferenceException came from.

So the solution is obvious - clear the '''''eventTable''''' after unloading a level. There's nothing else the programmer has to do on his side to clean up the table, it's being done automatically.

= The Messenger =
We're happy to present you an advanced version of C# messaging system.
== Usage ==
=== Event listener ===
<csharp>
void OnPropCollected( PropType propType ) {
if (propType == PropType.Life)
livesAmount++;
}
</csharp>

=== Registering an event listener ===
<csharp>
void Start() {
Messenger.AddListener< Prop >( "prop collected", OnPropCollected );
}
</csharp>

=== Unregistering an event listener ===
<csharp>
Messenger.RemoveListener< Prop > ( "prop collected", OnPropCollected );
</csharp>

=== Broadcasting an event ===
<csharp>
public void OnTriggerEnter(Collider _collider)
{
Messenger.Broadcast< PropType > ( "prop collected", _collider.gameObject.GetComponent<Prop>().propType );
}
</csharp>

== Cleaning up the messenger ==
The messenger cleans up its eventTable automatically when a new level loads. This will ensure that the eventTable of the messenger gets cleaned up and will save us from unexpected MissingReferenceExceptions.
In case you want to clean up manager's eventTable manually, there's such an option by calling Messenger.Cleanup();

=== Permanent messages ===
If you want a certain message to survive the Cleanup, mark it with Messenger.MarkAsPermanent(string). This may be required if a certain class responds to messages broadcasted from across different levels.


== Misc ==
=== Log all messages ===
For debugging purposes, you can set the '''''shouldLogAllMessages''''' flag in Messenger to true. This will log all calls to the Messenger.

=== Transition from other messengers ===
To quickly change all calls to messaging system from older CSharpMessenger's to the advanced, do the following steps:
# In MonoDevelop go to Search => Replace in files
# In Find field enter: '''''Messenger<([^<>]+)>.([A-Za-z0-9_]+)'''''
# In Replace field enter: '''''Messenger.$2<$1>'''''
# Select scope: Whole solution.
# Check the Regex search check box.
# Press the Replace button

== Code ==
There're two files required for the messenger to work - '''''Callback.cs''''' and '''''Messenger.cs'''''.

=== Callback.cs ===
<csharp>
public delegate void Callback();
public delegate void Callback<T>(T arg1);
public delegate void Callback<T, U>(T arg1, U arg2);
public delegate void Callback<T, U, V>(T arg1, U arg2, V arg3);
</csharp>

=== Messenger.cs ===
<csharp>
/*
* Advanced C# messenger by Ilya Suzdalnitski. V1.0
*
* Based on Rod Hyde's "CSharpMessenger" and Magnus Wolffelt's "CSharpMessenger Extended".
*
* Features:
* Prevents a MissingReferenceException because of a reference to a destroyed message handler.
* Option to log all messages
* Extensive error detection, preventing silent bugs
*
* Usage examples:
1. Messenger.AddListener<GameObject>("prop collected", PropCollected);
Messenger.Broadcast<GameObject>("prop collected", prop);
2. Messenger.AddListener<float>("speed changed", SpeedChanged);
Messenger.Broadcast<float>("speed changed", 0.5f);
*
* Messenger cleans up its evenTable automatically upon loading of a new level.
*
* Don't forget that the messages that should survive the cleanup, should be marked with Messenger.MarkAsPermanent(string)
*
*/

//#define LOG_ALL_MESSAGES
//#define LOG_ADD_LISTENER
//#define LOG_BROADCAST_MESSAGE
#define REQUIRE_LISTENER

using System;
using System.Collections.Generic;
using UnityEngine;

static internal class Messenger {
#region Internal variables

//Disable the unused variable warning
#pragma warning disable 0414
//Ensures that the MessengerHelper will be created automatically upon start of the game.
static private MessengerHelper messengerHelper = ( new GameObject("MessengerHelper") ).AddComponent< MessengerHelper >();
#pragma warning restore 0414

static public Dictionary<string, Delegate> eventTable = new Dictionary<string, Delegate>();

//Message handlers that should never be removed, regardless of calling Cleanup
static public List< string > permanentMessages = new List< string > ();
#endregion
#region Helper methods
//Marks a certain message as permanent.
static public void MarkAsPermanent(string eventType) {
#if LOG_ALL_MESSAGES
Debug.Log("Messenger MarkAsPermanent \t\"" + eventType + "\"");
#endif

permanentMessages.Add( eventType );
}


static public void Cleanup()
{
#if LOG_ALL_MESSAGES
Debug.Log("MESSENGER Cleanup. Make sure that none of necessary listeners are removed.");
#endif

List< string > messagesToRemove = new List<string>();

foreach (KeyValuePair<string, Delegate> pair in eventTable) {
bool wasFound = false;

foreach (string message in permanentMessages) {
if (pair.Key == message) {
wasFound = true;
break;
}
}

if (!wasFound)
messagesToRemove.Add( pair.Key );
}

foreach (string message in messagesToRemove) {
eventTable.Remove( message );
}
}

static public void PrintEventTable()
{
Debug.Log("\t\t\t=== MESSENGER PrintEventTable ===");

foreach (KeyValuePair<string, Delegate> pair in eventTable) {
Debug.Log("\t\t\t" + pair.Key + "\t\t" + pair.Value);
}

Debug.Log("\n");
}
#endregion

#region Message logging and exception throwing
static public void OnListenerAdding(string eventType, Delegate listenerBeingAdded) {
#if LOG_ALL_MESSAGES || LOG_ADD_LISTENER
Debug.Log("MESSENGER OnListenerAdding \t\"" + eventType + "\"\t{" + listenerBeingAdded.Target + " -> " + listenerBeingAdded.Method + "}");
#endif

if (!eventTable.ContainsKey(eventType)) {
eventTable.Add(eventType, null );
}

Delegate d = eventTable[eventType];
if (d != null && d.GetType() != listenerBeingAdded.GetType()) {
throw new ListenerException(string.Format("Attempting to add listener with inconsistent signature for event type {0}. Current listeners have type {1} and listener being added has type {2}", eventType, d.GetType().Name, listenerBeingAdded.GetType().Name));
}
}

static public void OnListenerRemoving(string eventType, Delegate listenerBeingRemoved) {
#if LOG_ALL_MESSAGES
Debug.Log("MESSENGER OnListenerRemoving \t\"" + eventType + "\"\t{" + listenerBeingRemoved.Target + " -> " + listenerBeingRemoved.Method + "}");
#endif

if (eventTable.ContainsKey(eventType)) {
Delegate d = eventTable[eventType];

if (d == null) {
throw new ListenerException(string.Format("Attempting to remove listener with for event type \"{0}\" but current listener is null.", eventType));
} else if (d.GetType() != listenerBeingRemoved.GetType()) {
throw new ListenerException(string.Format("Attempting to remove listener with inconsistent signature for event type {0}. Current listeners have type {1} and listener being removed has type {2}", eventType, d.GetType().Name, listenerBeingRemoved.GetType().Name));
}
} else {
throw new ListenerException(string.Format("Attempting to remove listener for type \"{0}\" but Messenger doesn't know about this event type.", eventType));
}
}

static public void OnListenerRemoved(string eventType) {
if (eventTable[eventType] == null) {
eventTable.Remove(eventType);
}
}

static public void OnBroadcasting(string eventType) {
#if REQUIRE_LISTENER
if (!eventTable.ContainsKey(eventType)) {
throw new BroadcastException(string.Format("Broadcasting message \"{0}\" but no listener found. Try marking the message with Messenger.MarkAsPermanent.", eventType));
}
#endif
}

static public BroadcastException CreateBroadcastSignatureException(string eventType) {
return new BroadcastException(string.Format("Broadcasting message \"{0}\" but listeners have a different signature than the broadcaster.", eventType));
}

public class BroadcastException : Exception {
public BroadcastException(string msg)
: base(msg) {
}
}

public class ListenerException : Exception {
public ListenerException(string msg)
: base(msg) {
}
}
#endregion

#region AddListener
//No parameters
static public void AddListener(string eventType, Callback handler) {
OnListenerAdding(eventType, handler);
eventTable[eventType] = (Callback)eventTable[eventType] + handler;
}

//Single parameter
static public void AddListener<T>(string eventType, Callback<T> handler) {
OnListenerAdding(eventType, handler);
eventTable[eventType] = (Callback<T>)eventTable[eventType] + handler;
}

//Two parameters
static public void AddListener<T, U>(string eventType, Callback<T, U> handler) {
OnListenerAdding(eventType, handler);
eventTable[eventType] = (Callback<T, U>)eventTable[eventType] + handler;
}

//Three parameters
static public void AddListener<T, U, V>(string eventType, Callback<T, U, V> handler) {
OnListenerAdding(eventType, handler);
eventTable[eventType] = (Callback<T, U, V>)eventTable[eventType] + handler;
}
#endregion

#region RemoveListener
//No parameters
static public void RemoveListener(string eventType, Callback handler) {
OnListenerRemoving(eventType, handler);
eventTable[eventType] = (Callback)eventTable[eventType] - handler;
OnListenerRemoved(eventType);
}

//Single parameter
static public void RemoveListener<T>(string eventType, Callback<T> handler) {
OnListenerRemoving(eventType, handler);
eventTable[eventType] = (Callback<T>)eventTable[eventType] - handler;
OnListenerRemoved(eventType);
}

//Two parameters
static public void RemoveListener<T, U>(string eventType, Callback<T, U> handler) {
OnListenerRemoving(eventType, handler);
eventTable[eventType] = (Callback<T, U>)eventTable[eventType] - handler;
OnListenerRemoved(eventType);
}

//Three parameters
static public void RemoveListener<T, U, V>(string eventType, Callback<T, U, V> handler) {
OnListenerRemoving(eventType, handler);
eventTable[eventType] = (Callback<T, U, V>)eventTable[eventType] - handler;
OnListenerRemoved(eventType);
}
#endregion

#region Broadcast
//No parameters
static public void Broadcast(string eventType) {
#if LOG_ALL_MESSAGES || LOG_BROADCAST_MESSAGE
Debug.Log("MESSENGER\t" + System.DateTime.Now.ToString("hh:mm:ss.fff") + "\t\t\tInvoking \t\"" + eventType + "\"");
#endif
OnBroadcasting(eventType);

Delegate d;
if (eventTable.TryGetValue(eventType, out d)) {
Callback callback = d as Callback;

if (callback != null) {
callback();
} else {
throw CreateBroadcastSignatureException(eventType);
}
}
}

//Single parameter
static public void Broadcast<T>(string eventType, T arg1) {
#if LOG_ALL_MESSAGES || LOG_BROADCAST_MESSAGE
Debug.Log("MESSENGER\t" + System.DateTime.Now.ToString("hh:mm:ss.fff") + "\t\t\tInvoking \t\"" + eventType + "\"");
#endif
OnBroadcasting(eventType);

Delegate d;
if (eventTable.TryGetValue(eventType, out d)) {
Callback<T> callback = d as Callback<T>;

if (callback != null) {
callback(arg1);
} else {
throw CreateBroadcastSignatureException(eventType);
}
}
}

//Two parameters
static public void Broadcast<T, U>(string eventType, T arg1, U arg2) {
#if LOG_ALL_MESSAGES || LOG_BROADCAST_MESSAGE
Debug.Log("MESSENGER\t" + System.DateTime.Now.ToString("hh:mm:ss.fff") + "\t\t\tInvoking \t\"" + eventType + "\"");
#endif
OnBroadcasting(eventType);

Delegate d;
if (eventTable.TryGetValue(eventType, out d)) {
Callback<T, U> callback = d as Callback<T, U>;

if (callback != null) {
callback(arg1, arg2);
} else {
throw CreateBroadcastSignatureException(eventType);
}
}
}

//Three parameters
static public void Broadcast<T, U, V>(string eventType, T arg1, U arg2, V arg3) {
#if LOG_ALL_MESSAGES || LOG_BROADCAST_MESSAGE
Debug.Log("MESSENGER\t" + System.DateTime.Now.ToString("hh:mm:ss.fff") + "\t\t\tInvoking \t\"" + eventType + "\"");
#endif
OnBroadcasting(eventType);

Delegate d;
if (eventTable.TryGetValue(eventType, out d)) {
Callback<T, U, V> callback = d as Callback<T, U, V>;

if (callback != null) {
callback(arg1, arg2, arg3);
} else {
throw CreateBroadcastSignatureException(eventType);
}
}
}
#endregion
}

//This manager will ensure that the messenger's eventTable will be cleaned up upon loading of a new level.
public sealed class MessengerHelper : MonoBehaviour {
void Awake ()
{
DontDestroyOnLoad(gameObject);
}

//Clean up eventTable every time a new level loads.
public void OnDisable() {
Messenger.Cleanup();
}
}
</csharp>

[[Category:Design Patterns]]
[[Category:Messaging]]
[[Category:C Sharp]]
Author: Ilya Suzdalnitski


== Description ==
This is an advanced version of a messaging system for C#.
It will automatically clean up its event table after a new level has been loaded. This will prevent the programmer from accidentally invoking destroyed methods and thus will help prevent many MissingReferenceExceptions.
This messaging system is based on Rod Hyde's [[CSharpMessenger]] and Magnus Wolffelt's [[CSharpMessenger Extended]].

== Foreword ==
Upon introduction of a messaging system into our project ([[CSharpMessenger Extended]]) we started facing very strange bugs. Unity3d would throw MissingReferenceExceptions every time a message was broadcasted. It would say that the class, where the message handler was declared in, was destroyed. The problem came out of nowhere and there was not a reasonable explanation behind it. However placing the message handler code within try-catch blocks solved the problem. We understood that it was not a good solution to have hundreds of try-catch blocks in our code.
It took us some time to finally figure out where was the problem.

=== Cause behind the MissingReferenceException and solution ===
It turned out, that the MissingReferenceException bug appeared, when a new level was loaded (or current one was reloaded). For example, we have a message '''''"start game"''''', declared as follows:
<syntaxhighlight lang="csharp">
public class MainMenu : MonoBehaviour {
void Start ()
{
Messenger.AddListener("start game", StartGame);
}

void StartGame()
{
Debug.Log("StartGame called in" + gameObject); //This is the line that would throw an exception
}

void StartGameButtonPressed()
{
Messenger.Broadcast("start game");
}
}
</syntaxhighlight>

At first glance, there's no problem at all, but after the level has been reloaded, Unity3d will throw an exception, saying that MainMenu has been destroyed. However there's no code that would EVER destroy the MainMenu script.

What actually happened is:
# We added a "start game" message listener to our Messenger.
# StartGameButtonPressed was called which in turn broadcasted the "start game" message.
# We reloaded the level with Application.LoadLevel.
# Step 1 repeated.
# Step 2 repeated.

Here's how eventTable of the messenger looks like at corresponding steps:
* At step 1: { '''''"start game", mainMenu1- > StartGame();''''' }
* At step 4: { '''''"start game", mainMenu1- > StartGame();''''' } { '''''"start game", mainMenu2- > StartGame();''''' }

So at step 4 we have two message handler for the same '''''"start game"''''' message - the first one is for the destroyed MainMenu object (got destroyed when reloaded a level), and the second one it for the current valid MainMenu object.
It turns out that when we broadcast the '''''"start game"''''' message after reloading the level, the messenger invokes both - the destroyed and the valid message handlers. This is where the MissingReferenceException came from.

So the solution is obvious - clear the '''''eventTable''''' after unloading a level. There's nothing else the programmer has to do on his side to clean up the table, it's being done automatically.

= The Messenger =
We're happy to present you an advanced version of C# messaging system.
== Usage ==
=== Event listener ===
<syntaxhighlight lang="csharp">
void OnPropCollected( PropType propType ) {
if (propType == PropType.Life)
livesAmount++;
}
</syntaxhighlight>

=== Registering an event listener ===
<syntaxhighlight lang="csharp">
void Start() {
Messenger.AddListener< Prop >( "prop collected", OnPropCollected );
}
</syntaxhighlight>

=== Unregistering an event listener ===
<syntaxhighlight lang="csharp">
Messenger.RemoveListener< Prop > ( "prop collected", OnPropCollected );
</syntaxhighlight>

=== Broadcasting an event ===
<syntaxhighlight lang="csharp">
public void OnTriggerEnter(Collider _collider)
{
Messenger.Broadcast< PropType > ( "prop collected", _collider.gameObject.GetComponent<Prop>().propType );
}
</syntaxhighlight>

== Cleaning up the messenger ==
The messenger cleans up its eventTable automatically when a new level loads. This will ensure that the eventTable of the messenger gets cleaned up and will save us from unexpected MissingReferenceExceptions.
In case you want to clean up manager's eventTable manually, there's such an option by calling Messenger.Cleanup();

=== Permanent messages ===
If you want a certain message to survive the Cleanup, mark it with Messenger.MarkAsPermanent(string). This may be required if a certain class responds to messages broadcasted from across different levels.


== Misc ==
=== Log all messages ===
For debugging purposes, you can set the '''''shouldLogAllMessages''''' flag in Messenger to true. This will log all calls to the Messenger.

=== Transition from other messengers ===
To quickly change all calls to messaging system from older CSharpMessenger's to the advanced, do the following steps:
# In MonoDevelop go to Search => Replace in files
# In Find field enter: '''''Messenger<([^<>]+)>.([A-Za-z0-9_]+)'''''
# In Replace field enter: '''''Messenger.$2<$1>'''''
# Select scope: Whole solution.
# Check the Regex search check box.
# Press the Replace button

== Code ==
There're two files required for the messenger to work - '''''Callback.cs''''' and '''''Messenger.cs'''''.

=== Callback.cs ===
<syntaxhighlight lang="csharp">
public delegate void Callback();
public delegate void Callback<T>(T arg1);
public delegate void Callback<T, U>(T arg1, U arg2);
public delegate void Callback<T, U, V>(T arg1, U arg2, V arg3);
</syntaxhighlight>

=== Messenger.cs ===
<syntaxhighlight lang="csharp">
/*
* Advanced C# messenger by Ilya Suzdalnitski. V1.0
*
* Based on Rod Hyde's "CSharpMessenger" and Magnus Wolffelt's "CSharpMessenger Extended".
*
* Features:
* Prevents a MissingReferenceException because of a reference to a destroyed message handler.
* Option to log all messages
* Extensive error detection, preventing silent bugs
*
* Usage examples:
1. Messenger.AddListener<GameObject>("prop collected", PropCollected);
Messenger.Broadcast<GameObject>("prop collected", prop);
2. Messenger.AddListener<float>("speed changed", SpeedChanged);
Messenger.Broadcast<float>("speed changed", 0.5f);
*
* Messenger cleans up its evenTable automatically upon loading of a new level.
*
* Don't forget that the messages that should survive the cleanup, should be marked with Messenger.MarkAsPermanent(string)
*
*/

//#define LOG_ALL_MESSAGES
//#define LOG_ADD_LISTENER
//#define LOG_BROADCAST_MESSAGE
#define REQUIRE_LISTENER

using System;
using System.Collections.Generic;
using UnityEngine;

static internal class Messenger {
#region Internal variables

//Disable the unused variable warning
#pragma warning disable 0414
//Ensures that the MessengerHelper will be created automatically upon start of the game.
static private MessengerHelper messengerHelper = ( new GameObject("MessengerHelper") ).AddComponent< MessengerHelper >();
#pragma warning restore 0414

static public Dictionary<string, Delegate> eventTable = new Dictionary<string, Delegate>();

//Message handlers that should never be removed, regardless of calling Cleanup
static public List< string > permanentMessages = new List< string > ();
#endregion
#region Helper methods
//Marks a certain message as permanent.
static public void MarkAsPermanent(string eventType) {
#if LOG_ALL_MESSAGES
Debug.Log("Messenger MarkAsPermanent \t\"" + eventType + "\"");
#endif

permanentMessages.Add( eventType );
}


static public void Cleanup()
{
#if LOG_ALL_MESSAGES
Debug.Log("MESSENGER Cleanup. Make sure that none of necessary listeners are removed.");
#endif

List< string > messagesToRemove = new List<string>();

foreach (KeyValuePair<string, Delegate> pair in eventTable) {
bool wasFound = false;

foreach (string message in permanentMessages) {
if (pair.Key == message) {
wasFound = true;
break;
}
}

if (!wasFound)
messagesToRemove.Add( pair.Key );
}

foreach (string message in messagesToRemove) {
eventTable.Remove( message );
}
}

static public void PrintEventTable()
{
Debug.Log("\t\t\t=== MESSENGER PrintEventTable ===");

foreach (KeyValuePair<string, Delegate> pair in eventTable) {
Debug.Log("\t\t\t" + pair.Key + "\t\t" + pair.Value);
}

Debug.Log("\n");
}
#endregion

#region Message logging and exception throwing
static public void OnListenerAdding(string eventType, Delegate listenerBeingAdded) {
#if LOG_ALL_MESSAGES || LOG_ADD_LISTENER
Debug.Log("MESSENGER OnListenerAdding \t\"" + eventType + "\"\t{" + listenerBeingAdded.Target + " -> " + listenerBeingAdded.Method + "}");
#endif

if (!eventTable.ContainsKey(eventType)) {
eventTable.Add(eventType, null );
}

Delegate d = eventTable[eventType];
if (d != null && d.GetType() != listenerBeingAdded.GetType()) {
throw new ListenerException(string.Format("Attempting to add listener with inconsistent signature for event type {0}. Current listeners have type {1} and listener being added has type {2}", eventType, d.GetType().Name, listenerBeingAdded.GetType().Name));
}
}

static public void OnListenerRemoving(string eventType, Delegate listenerBeingRemoved) {
#if LOG_ALL_MESSAGES
Debug.Log("MESSENGER OnListenerRemoving \t\"" + eventType + "\"\t{" + listenerBeingRemoved.Target + " -> " + listenerBeingRemoved.Method + "}");
#endif

if (eventTable.ContainsKey(eventType)) {
Delegate d = eventTable[eventType];

if (d == null) {
throw new ListenerException(string.Format("Attempting to remove listener with for event type \"{0}\" but current listener is null.", eventType));
} else if (d.GetType() != listenerBeingRemoved.GetType()) {
throw new ListenerException(string.Format("Attempting to remove listener with inconsistent signature for event type {0}. Current listeners have type {1} and listener being removed has type {2}", eventType, d.GetType().Name, listenerBeingRemoved.GetType().Name));
}
} else {
throw new ListenerException(string.Format("Attempting to remove listener for type \"{0}\" but Messenger doesn't know about this event type.", eventType));
}
}

static public void OnListenerRemoved(string eventType) {
if (eventTable[eventType] == null) {
eventTable.Remove(eventType);
}
}

static public void OnBroadcasting(string eventType) {
#if REQUIRE_LISTENER
if (!eventTable.ContainsKey(eventType)) {
throw new BroadcastException(string.Format("Broadcasting message \"{0}\" but no listener found. Try marking the message with Messenger.MarkAsPermanent.", eventType));
}
#endif
}

static public BroadcastException CreateBroadcastSignatureException(string eventType) {
return new BroadcastException(string.Format("Broadcasting message \"{0}\" but listeners have a different signature than the broadcaster.", eventType));
}

public class BroadcastException : Exception {
public BroadcastException(string msg)
: base(msg) {
}
}

public class ListenerException : Exception {
public ListenerException(string msg)
: base(msg) {
}
}
#endregion

#region AddListener
//No parameters
static public void AddListener(string eventType, Callback handler) {
OnListenerAdding(eventType, handler);
eventTable[eventType] = (Callback)eventTable[eventType] + handler;
}

//Single parameter
static public void AddListener<T>(string eventType, Callback<T> handler) {
OnListenerAdding(eventType, handler);
eventTable[eventType] = (Callback<T>)eventTable[eventType] + handler;
}

//Two parameters
static public void AddListener<T, U>(string eventType, Callback<T, U> handler) {
OnListenerAdding(eventType, handler);
eventTable[eventType] = (Callback<T, U>)eventTable[eventType] + handler;
}

//Three parameters
static public void AddListener<T, U, V>(string eventType, Callback<T, U, V> handler) {
OnListenerAdding(eventType, handler);
eventTable[eventType] = (Callback<T, U, V>)eventTable[eventType] + handler;
}
#endregion

#region RemoveListener
//No parameters
static public void RemoveListener(string eventType, Callback handler) {
OnListenerRemoving(eventType, handler);
eventTable[eventType] = (Callback)eventTable[eventType] - handler;
OnListenerRemoved(eventType);
}

//Single parameter
static public void RemoveListener<T>(string eventType, Callback<T> handler) {
OnListenerRemoving(eventType, handler);
eventTable[eventType] = (Callback<T>)eventTable[eventType] - handler;
OnListenerRemoved(eventType);
}

//Two parameters
static public void RemoveListener<T, U>(string eventType, Callback<T, U> handler) {
OnListenerRemoving(eventType, handler);
eventTable[eventType] = (Callback<T, U>)eventTable[eventType] - handler;
OnListenerRemoved(eventType);
}

//Three parameters
static public void RemoveListener<T, U, V>(string eventType, Callback<T, U, V> handler) {
OnListenerRemoving(eventType, handler);
eventTable[eventType] = (Callback<T, U, V>)eventTable[eventType] - handler;
OnListenerRemoved(eventType);
}
#endregion

#region Broadcast
//No parameters
static public void Broadcast(string eventType) {
#if LOG_ALL_MESSAGES || LOG_BROADCAST_MESSAGE
Debug.Log("MESSENGER\t" + System.DateTime.Now.ToString("hh:mm:ss.fff") + "\t\t\tInvoking \t\"" + eventType + "\"");
#endif
OnBroadcasting(eventType);

Delegate d;
if (eventTable.TryGetValue(eventType, out d)) {
Callback callback = d as Callback;

if (callback != null) {
callback();
} else {
throw CreateBroadcastSignatureException(eventType);
}
}
}

//Single parameter
static public void Broadcast<T>(string eventType, T arg1) {
#if LOG_ALL_MESSAGES || LOG_BROADCAST_MESSAGE
Debug.Log("MESSENGER\t" + System.DateTime.Now.ToString("hh:mm:ss.fff") + "\t\t\tInvoking \t\"" + eventType + "\"");
#endif
OnBroadcasting(eventType);

Delegate d;
if (eventTable.TryGetValue(eventType, out d)) {
Callback<T> callback = d as Callback<T>;

if (callback != null) {
callback(arg1);
} else {
throw CreateBroadcastSignatureException(eventType);
}
}
}

//Two parameters
static public void Broadcast<T, U>(string eventType, T arg1, U arg2) {
#if LOG_ALL_MESSAGES || LOG_BROADCAST_MESSAGE
Debug.Log("MESSENGER\t" + System.DateTime.Now.ToString("hh:mm:ss.fff") + "\t\t\tInvoking \t\"" + eventType + "\"");
#endif
OnBroadcasting(eventType);

Delegate d;
if (eventTable.TryGetValue(eventType, out d)) {
Callback<T, U> callback = d as Callback<T, U>;

if (callback != null) {
callback(arg1, arg2);
} else {
throw CreateBroadcastSignatureException(eventType);
}
}
}

//Three parameters
static public void Broadcast<T, U, V>(string eventType, T arg1, U arg2, V arg3) {
#if LOG_ALL_MESSAGES || LOG_BROADCAST_MESSAGE
Debug.Log("MESSENGER\t" + System.DateTime.Now.ToString("hh:mm:ss.fff") + "\t\t\tInvoking \t\"" + eventType + "\"");
#endif
OnBroadcasting(eventType);

Delegate d;
if (eventTable.TryGetValue(eventType, out d)) {
Callback<T, U, V> callback = d as Callback<T, U, V>;

if (callback != null) {
callback(arg1, arg2, arg3);
} else {
throw CreateBroadcastSignatureException(eventType);
}
}
}
#endregion
}

//This manager will ensure that the messenger's eventTable will be cleaned up upon loading of a new level.
public sealed class MessengerHelper : MonoBehaviour {
void Awake ()
{
DontDestroyOnLoad(gameObject);
}

//Clean up eventTable every time a new level loads.
public void OnDisable() {
Messenger.Cleanup();
}
}
</syntaxhighlight>

[[Category:Editor Scripts]]
[[Category:AssetBundle]]
Author: DbIMok

==Description==
The purpose of this script is to load content of selected AssetBundle in Editor

==Usage==
Like all Editor scripts, this has to be put into a folder named ''Editor'', somewhere in your Assets folder. Click on .unity3d file in Project window right mouse button and select Ext/Load Bundle.

==C# - LoadBundle.cs==
<csharp>using UnityEngine;
using UnityEditor;
using System.IO;
using System.Collections.Generic;
using System.Security.Cryptography;

public class LoadBundle : EditorWindow
{
/// <summary>
/// Relative path to AssetBundle file
/// </summary>
private static string _pathBundle;
/// <summary>
/// Dictionary for loaded AssetBundles
/// </summary>
private static Dictionary<string, AssetBundle> _bundles = new Dictionary<string, AssetBundle>();
/// <summary>
/// Dictionary for hashes of loaded AssetBundles
/// </summary>
private static Dictionary<string, byte[]> _bundlesHash = new Dictionary<string, byte[]>();
/// <summary>
/// EditorWindow instance
/// </summary>
private static LoadBundle _wnd;

/// <summary>
/// URL to AssetBundle file
/// </summary>
private string _url;
/// <summary>
/// Check for Run
/// </summary>
private bool _isRun;
/// <summary>
/// Check for Loaded
/// </summary>
private bool _isLoaded;
/// <summary>
/// WWW loader
/// </summary>
private WWW _loader;
/// <summary>
/// Instance of MD5 hash class
/// </summary>
private MD5 _hash = MD5.Create();

/// <summary>
/// Menu validator Assets/Ext/Load Bundle
/// </summary>
[MenuItem("Assets/Ext/Load Bundle", true)]
public static bool LoadBundleValidator()
{
_pathBundle = AssetDatabase.GetAssetPath(Selection.activeObject);
return Path.GetExtension(_pathBundle) == ".unity3d";
}
/// <summary>
/// Menu Assets/Ext/Load Bundle
/// </summary>
[MenuItem("Assets/Ext/Load Bundle")]
public static void LoadBundleToScene()
{
BundleToScene();
}
/// <summary>
/// Menu Assets/Ext/Unload Bundles
/// </summary>
[MenuItem("Assets/Ext/Unload Bundles")]
public static void UnloadAll()
{
if (_wnd != null)
{
_wnd.Close();
Destroy(_wnd);
}
foreach (AssetBundle assetBundle in _bundles.Values)
{
assetBundle.Unload(true);
}
_bundles.Clear();
_bundlesHash.Clear();
}

/// <summary>
/// Init EditorWindow
/// </summary>
static void BundleToScene()
{
GetWindowWithRect<LoadBundle>(new Rect(0,0,1,1));
}
/// <summary>
/// Update for EditorWindow
/// </summary>
void Update()
{
if (!_isRun)
{
_isRun = true;
if (IsLoaded()) Close();
} else {
while ((_loader.assetBundle == null) && string.IsNullOrEmpty(_loader.error))
{
return;
}
if (_loader.assetBundle != null)
{
Instantiate(_loader.assetBundle.mainAsset);
_bundles.Add(_pathBundle, _loader.assetBundle);
_bundlesHash.Add(_pathBundle, _hash.ComputeHash(_loader.bytes));
}
else
{
Debug.LogWarning(_loader.error);
}
Close();
}
}
/// <summary>
/// Check for already loaded bundles
/// </summary>
/// <returns></returns>
bool IsLoaded()
{
_url = string.Concat("file:///", Application.dataPath, "/../", _pathBundle);
if (_bundles.ContainsKey(_pathBundle))
{
if (!CheckHash())
{
_bundles.Remove(_pathBundle);
_bundlesHash.Remove(_pathBundle);
_loader = new WWW(_url);
return false;
}
Instantiate(_bundles[_pathBundle].mainAsset);
return true;
}
else
{
_loader = new WWW(_url);
return false;
}
}
/// <summary>
/// Check hash for loaded AssetBundle and file
/// </summary>
/// <returns></returns>
bool CheckHash()
{
StreamReader sr = new StreamReader(string.Concat(Application.dataPath, "/../", _pathBundle));
byte[] _filehash = _hash.ComputeHash(sr.BaseStream);
for (int i = 0; i < _filehash.Length; i++)
{
if (_filehash[i] != _bundlesHash[_pathBundle][i]) return false;
}
return true;
}
}</csharp>

[[Category:Editor Scripts]]
[[Category:AssetBundle]]
Author: DbIMok

==Description==
The purpose of this script is to load content of selected AssetBundle in Editor

==Usage==
Like all Editor scripts, this has to be put into a folder named ''Editor'', somewhere in your Assets folder. Click on .unity3d file in Project window right mouse button and select Ext/Load Bundle.

==C# - LoadBundle.cs==
<syntaxhighlight lang="csharp">using UnityEngine;
using UnityEditor;
using System.IO;
using System.Collections.Generic;
using System.Security.Cryptography;

public class LoadBundle : EditorWindow
{
/// <summary>
/// Relative path to AssetBundle file
/// </summary>
private static string _pathBundle;
/// <summary>
/// Dictionary for loaded AssetBundles
/// </summary>
private static Dictionary<string, AssetBundle> _bundles = new Dictionary<string, AssetBundle>();
/// <summary>
/// Dictionary for hashes of loaded AssetBundles
/// </summary>
private static Dictionary<string, byte[]> _bundlesHash = new Dictionary<string, byte[]>();
/// <summary>
/// EditorWindow instance
/// </summary>
private static LoadBundle _wnd;

/// <summary>
/// URL to AssetBundle file
/// </summary>
private string _url;
/// <summary>
/// Check for Run
/// </summary>
private bool _isRun;
/// <summary>
/// Check for Loaded
/// </summary>
private bool _isLoaded;
/// <summary>
/// WWW loader
/// </summary>
private WWW _loader;
/// <summary>
/// Instance of MD5 hash class
/// </summary>
private MD5 _hash = MD5.Create();

/// <summary>
/// Menu validator Assets/Ext/Load Bundle
/// </summary>
[MenuItem("Assets/Ext/Load Bundle", true)]
public static bool LoadBundleValidator()
{
_pathBundle = AssetDatabase.GetAssetPath(Selection.activeObject);
return Path.GetExtension(_pathBundle) == ".unity3d";
}
/// <summary>
/// Menu Assets/Ext/Load Bundle
/// </summary>
[MenuItem("Assets/Ext/Load Bundle")]
public static void LoadBundleToScene()
{
BundleToScene();
}
/// <summary>
/// Menu Assets/Ext/Unload Bundles
/// </summary>
[MenuItem("Assets/Ext/Unload Bundles")]
public static void UnloadAll()
{
if (_wnd != null)
{
_wnd.Close();
Destroy(_wnd);
}
foreach (AssetBundle assetBundle in _bundles.Values)
{
assetBundle.Unload(true);
}
_bundles.Clear();
_bundlesHash.Clear();
}

/// <summary>
/// Init EditorWindow
/// </summary>
static void BundleToScene()
{
GetWindowWithRect<LoadBundle>(new Rect(0,0,1,1));
}
/// <summary>
/// Update for EditorWindow
/// </summary>
void Update()
{
if (!_isRun)
{
_isRun = true;
if (IsLoaded()) Close();
} else {
while ((_loader.assetBundle == null) && string.IsNullOrEmpty(_loader.error))
{
return;
}
if (_loader.assetBundle != null)
{
Instantiate(_loader.assetBundle.mainAsset);
_bundles.Add(_pathBundle, _loader.assetBundle);
_bundlesHash.Add(_pathBundle, _hash.ComputeHash(_loader.bytes));
}
else
{
Debug.LogWarning(_loader.error);
}
Close();
}
}
/// <summary>
/// Check for already loaded bundles
/// </summary>
/// <returns></returns>
bool IsLoaded()
{
_url = string.Concat("file:///", Application.dataPath, "/../", _pathBundle);
if (_bundles.ContainsKey(_pathBundle))
{
if (!CheckHash())
{
_bundles.Remove(_pathBundle);
_bundlesHash.Remove(_pathBundle);
_loader = new WWW(_url);
return false;
}
Instantiate(_bundles[_pathBundle].mainAsset);
return true;
}
else
{
_loader = new WWW(_url);
return false;
}
}
/// <summary>
/// Check hash for loaded AssetBundle and file
/// </summary>
/// <returns></returns>
bool CheckHash()
{
StreamReader sr = new StreamReader(string.Concat(Application.dataPath, "/../", _pathBundle));
byte[] _filehash = _hash.ComputeHash(sr.BaseStream);
for (int i = 0; i < _filehash.Length; i++)
{
if (_filehash[i] != _bundlesHash[_pathBundle][i]) return false;
}
return true;
}
}</syntaxhighlight>

Author: Josh Montoute

==Description==
Some static methods that change the target platform and create a build.

==Usage==
Place this script in ''YourProject/Assets/Editor''. Go to File > AutoBuilder and select a platform. These methods can also be run from the Unity command line using -executeMethod AutoBuilder.MethodName.

== C# - AutoBuilder.cs ==

<csharp>
/*
AutoBuilder.cs
Automatically changes the target platform and creates a build.

Installation
Place in an Editor folder.

Usage
Go to File > AutoBuilder and select a platform. These methods can also be run from the Unity command line using -executeMethod AutoBuilder.MethodName.

License
Copyright (C) 2011 by Thinksquirrel Software, LLC

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
using UnityEngine;
using UnityEditor;
using System.Collections;
using System.Collections.Generic;
using System.IO;

public static class AutoBuilder {

static string GetProjectName()
{
string[] s = Application.dataPath.Split('/');
return s[s.Length - 2];
}

static string[] GetScenePaths()
{
string[] scenes = new string[EditorBuildSettings.scenes.Length];

for(int i = 0; i < scenes.Length; i++)
{
scenes[i] = EditorBuildSettings.scenes[i].path;
}

return scenes;
}

[MenuItem("File/AutoBuilder/Windows/32-bit")]
static void PerformWinBuild ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.StandaloneWindows);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/Win/" + GetProjectName() + ".exe",BuildTarget.StandaloneWindows,BuildOptions.None);
}

[MenuItem("File/AutoBuilder/Windows/64-bit")]
static void PerformWin64Build ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.StandaloneWindows);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/Win64/" + GetProjectName() + ".exe",BuildTarget.StandaloneWindows64,BuildOptions.None);
}

[MenuItem("File/AutoBuilder/Mac OSX/Universal")]
static void PerformOSXUniversalBuild ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.StandaloneOSXUniversal);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/OSX-Universal/" + GetProjectName() + ".app",BuildTarget.StandaloneOSXUniversal,BuildOptions.None);
}

[MenuItem("File/AutoBuilder/Mac OSX/Intel")]
static void PerformOSXIntelBuild ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.StandaloneOSXIntel);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/OSX-Intel/" + GetProjectName() + ".app",BuildTarget.StandaloneOSXIntel,BuildOptions.None);
}

[MenuItem("File/AutoBuilder/Mac OSX/PPC")]
static void PerformOSXPPCBuild ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.StandaloneOSXPPC);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/OSX-PPC/" + GetProjectName() + ".app",BuildTarget.StandaloneOSXPPC,BuildOptions.None);
}

[MenuItem("File/AutoBuilder/Mac OSX/Dashboard")]
static void PerformOSXDashboardBuild ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.DashboardWidget);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/OSX-Dashboard/" + GetProjectName() + ".wdgt",BuildTarget.DashboardWidget,BuildOptions.None);
}

[MenuItem("File/AutoBuilder/iOS")]
static void PerformiOSBuild ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.iPhone);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/iOS",BuildTarget.iPhone,BuildOptions.None);
}
[MenuItem("File/AutoBuilder/Android")]
static void PerformAndroidBuild ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.Android);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/Android",BuildTarget.Android,BuildOptions.None);
}
[MenuItem("File/AutoBuilder/Web/Standard")]
static void PerformWebBuild ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.WebPlayer);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/Web",BuildTarget.WebPlayer,BuildOptions.None);
}
[MenuItem("File/AutoBuilder/Web/Streamed")]
static void PerformWebStreamedBuild ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.WebPlayerStreamed);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/Web-Streamed",BuildTarget.WebPlayerStreamed,BuildOptions.None);
}
}
</csharp>
[[Category:Editor Scripts]]
[[Category:C Sharp]]

Author: Josh Montoute

==Description==
Some static methods that change the target platform and create a build.

==Usage==
Place this script in ''YourProject/Assets/Editor''. Go to File > AutoBuilder and select a platform. These methods can also be run from the Unity command line using -executeMethod AutoBuilder.MethodName.

== C# - AutoBuilder.cs ==

<syntaxhighlight lang="csharp">
/*
AutoBuilder.cs
Automatically changes the target platform and creates a build.

Installation
Place in an Editor folder.

Usage
Go to File > AutoBuilder and select a platform. These methods can also be run from the Unity command line using -executeMethod AutoBuilder.MethodName.

License
Copyright (C) 2011 by Thinksquirrel Software, LLC

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
using UnityEngine;
using UnityEditor;
using System.Collections;
using System.Collections.Generic;
using System.IO;

public static class AutoBuilder {

static string GetProjectName()
{
string[] s = Application.dataPath.Split('/');
return s[s.Length - 2];
}

static string[] GetScenePaths()
{
string[] scenes = new string[EditorBuildSettings.scenes.Length];

for(int i = 0; i < scenes.Length; i++)
{
scenes[i] = EditorBuildSettings.scenes[i].path;
}

return scenes;
}

[MenuItem("File/AutoBuilder/Windows/32-bit")]
static void PerformWinBuild ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.StandaloneWindows);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/Win/" + GetProjectName() + ".exe",BuildTarget.StandaloneWindows,BuildOptions.None);
}

[MenuItem("File/AutoBuilder/Windows/64-bit")]
static void PerformWin64Build ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.StandaloneWindows);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/Win64/" + GetProjectName() + ".exe",BuildTarget.StandaloneWindows64,BuildOptions.None);
}

[MenuItem("File/AutoBuilder/Mac OSX/Universal")]
static void PerformOSXUniversalBuild ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.StandaloneOSXUniversal);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/OSX-Universal/" + GetProjectName() + ".app",BuildTarget.StandaloneOSXUniversal,BuildOptions.None);
}

[MenuItem("File/AutoBuilder/Mac OSX/Intel")]
static void PerformOSXIntelBuild ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.StandaloneOSXIntel);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/OSX-Intel/" + GetProjectName() + ".app",BuildTarget.StandaloneOSXIntel,BuildOptions.None);
}

[MenuItem("File/AutoBuilder/Mac OSX/PPC")]
static void PerformOSXPPCBuild ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.StandaloneOSXPPC);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/OSX-PPC/" + GetProjectName() + ".app",BuildTarget.StandaloneOSXPPC,BuildOptions.None);
}

[MenuItem("File/AutoBuilder/Mac OSX/Dashboard")]
static void PerformOSXDashboardBuild ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.DashboardWidget);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/OSX-Dashboard/" + GetProjectName() + ".wdgt",BuildTarget.DashboardWidget,BuildOptions.None);
}

[MenuItem("File/AutoBuilder/iOS")]
static void PerformiOSBuild ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.iPhone);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/iOS",BuildTarget.iPhone,BuildOptions.None);
}
[MenuItem("File/AutoBuilder/Android")]
static void PerformAndroidBuild ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.Android);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/Android",BuildTarget.Android,BuildOptions.None);
}
[MenuItem("File/AutoBuilder/Web/Standard")]
static void PerformWebBuild ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.WebPlayer);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/Web",BuildTarget.WebPlayer,BuildOptions.None);
}
[MenuItem("File/AutoBuilder/Web/Streamed")]
static void PerformWebStreamedBuild ()
{
EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.WebPlayerStreamed);
BuildPipeline.BuildPlayer(GetScenePaths(), "Builds/Web-Streamed",BuildTarget.WebPlayerStreamed,BuildOptions.None);
}
}
</syntaxhighlight>
[[Category:Editor Scripts]]
[[Category:C Sharp]]

== Disclaimer ==
Basically all credits go to [http://forum.unity3d.com/members/3744-kenlem kenlem] from the forums: http://forum.unity3d.com/threads/35617-TextManager-Localization-Script

== Description ==
Uses [http://en.wikipedia.org/wiki/Gettext gettext] along the lines of [http://en.wikipedia.org/wiki/Poedit poEdit] for translating text the GNU way!

The concept is really simple as you can see under Usage and all you need is POT and PO files created by any po editor, or even just use your text editor of choice with the standards in mind.

== Usage ==

<csharp>
// This will reset to default POT Language
TextManager.LoadLanguage(null);

// This will load filename-en.po
TextManager.LoadLanguage("filename-en");

// Considering the PO file has a msgid "Ola Mundo" and msgstr "Hello World" this will print "Hello World"
print(TextManager.GetText("Ola Mundo"));
</csharp>


== TextManager.cs ==

<csharp>
using UnityEngine;
using System.Collections;
using System.IO;

// originally found in: http://forum.unity3d.com/threads/35617-TextManager-Localization-Script

/// <summary>
/// TextManager
///
/// Reads PO files in the Assets\Resourcesanguages directory into a hashtable.
/// look for "po editors" as that's a standard for translating software.
///
/// example:
///
/// load the language file:
/// textmanager.loadlanguage("helptext-pt-br");
///
/// which has to contain at least two lines as such:
/// msgid "hello world"
/// msgstr "ola mundo"
///
/// then we can retrieve the text by calling:
/// textmanager.gettext("hello world");
/// </summary>
public class textmanager : monobehaviour {

private static textmanager instance;
private static hashtable texttable;
private textmanager () {}

private static textmanager instance
{
get
{
if (instance == null)
{
// because the textmanager is a component, we have to create a gameobject to attach it to.
gameobject notificationobject = new gameobject("default textmanager");

// add the dynamicobjectmanager component, and set it as the defaultcenter
instance = (textmanager) notificationobject.addcomponent(typeof(textmanager));
}
return instance;
}
}

public static textmanager getinstance ()
{
return instance;
}

public static bool loadlanguage (string filename)
{
getinstance();

if (filename == null)
{
debugconsole.log("[textmanager] loading default language.");
texttable = null; // reset to default
return false; // this means: call loadlanguage with null to reset to default
}

string fullpath = "languages/" + filename + ".po"; // the file is actually ".txt" in the end

textasset textasset = (textasset) resources.load(fullpath, typeof(textasset));
if (textasset == null)
{
debugconsole.logerror("[textmanager] "+ fullpath +" file not found.");
return false;
}

debugconsole.log("[textmanager] loading: "+ fullpath);

if (texttable == null)
{
texttable = new hashtable();
}

texttable.clear();

stringreader reader = new stringreader(textasset.text);
string key = null;
string val = null;
string line;
while ( (line = reader.readline()) != null)
{
if (line.startswith("msgid \""))
{
key = line.substring(7, line.length - 8);
}
else if (line.startswith("msgstr \""))
{
val = line.substring(8, line.length - 9);
}
else
{
if (key != null && val != null)
{
// todo: add error handling here in case of duplicate keys
texttable.add(key, val);
key = val = null;
}
}
}

reader.close();

return true;
}


public static string gettext (string key)
{
if (key != null && texttable != null)
{
if (texttable.containskey(key))
{
string result = (string)texttable[key];
if (result.length > 0)
{
key = result;
}
}
}
return key;
}
}
</csharp>

== Disclaimer ==
Basically all credits go to [http://forum.unity3d.com/members/3744-kenlem kenlem] from the forums: http://forum.unity3d.com/threads/35617-TextManager-Localization-Script

== Description ==
Uses [http://en.wikipedia.org/wiki/Gettext gettext] along the lines of [http://en.wikipedia.org/wiki/Poedit poEdit] for translating text the GNU way!

The concept is really simple as you can see under Usage and all you need is POT and PO files created by any po editor, or even just use your text editor of choice with the standards in mind.

== Usage ==

<syntaxhighlight lang="csharp">
// This will reset to default POT Language
TextManager.LoadLanguage(null);

// This will load filename-en.po
TextManager.LoadLanguage("filename-en");

// Considering the PO file has a msgid "Ola Mundo" and msgstr "Hello World" this will print "Hello World"
print(TextManager.GetText("Ola Mundo"));
</syntaxhighlight>


== TextManager.cs ==

<syntaxhighlight lang="csharp">
using UnityEngine;
using System.Collections;
using System.IO;

// originally found in: http://forum.unity3d.com/threads/35617-TextManager-Localization-Script

/// <summary>
/// TextManager
///
/// Reads PO files in the Assets\Resourcesanguages directory into a hashtable.
/// look for "po editors" as that's a standard for translating software.
///
/// example:
///
/// load the language file:
/// textmanager.loadlanguage("helptext-pt-br");
///
/// which has to contain at least two lines as such:
/// msgid "hello world"
/// msgstr "ola mundo"
///
/// then we can retrieve the text by calling:
/// textmanager.gettext("hello world");
/// </summary>
public class textmanager : monobehaviour {

private static textmanager instance;
private static hashtable texttable;
private textmanager () {}

private static textmanager instance
{
get
{
if (instance == null)
{
// because the textmanager is a component, we have to create a gameobject to attach it to.
gameobject notificationobject = new gameobject("default textmanager");

// add the dynamicobjectmanager component, and set it as the defaultcenter
instance = (textmanager) notificationobject.addcomponent(typeof(textmanager));
}
return instance;
}
}

public static textmanager getinstance ()
{
return instance;
}

public static bool loadlanguage (string filename)
{
getinstance();

if (filename == null)
{
debugconsole.log("[textmanager] loading default language.");
texttable = null; // reset to default
return false; // this means: call loadlanguage with null to reset to default
}

string fullpath = "languages/" + filename + ".po"; // the file is actually ".txt" in the end

textasset textasset = (textasset) resources.load(fullpath, typeof(textasset));
if (textasset == null)
{
debugconsole.logerror("[textmanager] "+ fullpath +" file not found.");
return false;
}

debugconsole.log("[textmanager] loading: "+ fullpath);

if (texttable == null)
{
texttable = new hashtable();
}

texttable.clear();

stringreader reader = new stringreader(textasset.text);
string key = null;
string val = null;
string line;
while ( (line = reader.readline()) != null)
{
if (line.startswith("msgid \""))
{
key = line.substring(7, line.length - 8);
}
else if (line.startswith("msgstr \""))
{
val = line.substring(8, line.length - 9);
}
else
{
if (key != null && val != null)
{
// todo: add error handling here in case of duplicate keys
texttable.add(key, val);
key = val = null;
}
}
}

reader.close();

return true;
}


public static string gettext (string key)
{
if (key != null && texttable != null)
{
if (texttable.containskey(key))
{
string result = (string)texttable[key];
if (result.length > 0)
{
key = result;
}
}
}
return key;
}
}
</syntaxhighlight>


== textmanager.js ==
added this js port. also fixed one error (don't remember what it was).

<syntaxhighlight lang="csharp">

import system.io;//using system.io;
import unityengine;
import system.collections;

// originally found in: http://forum.unity3d.com/threads/35617-textmanager-localization-script

/// <summary>
/// textmanager
///
/// reads po files in the assets\resourcesanguages directory into a hashtable.
/// look for "po editors" as that's a standard for translating software.
///
/// example:
///
/// load the language file:
/// textmanager.loadlanguage("helptext-pt-br");
///
/// which has to contain at least two lines as such:
/// msgid "hello world"
/// msgstr "ola mundo"
///
/// then we can retrieve the text by calling:
/// textmanager.gettext("hello world");
/// </summary>
class textmanager extends monobehaviour {

static var instance:textmanager ;
static var texttable:hashtable ;


static function instance()
{

if (instance == null)
{
// because the textmanager is a component, we have to create a gameobject to attach it to.
var notificationobject:gameobject = new gameobject("default textmanager");

// add the dynamicobjectmanager component, and set it as the defaultcenter
instance = notificationobject.addcomponent(typeof(textmanager));
}
return instance;

}

public static function getinstance ()
{
return instance();
}

public static function loadlanguage (filename:string)
{
getinstance();

if (filename == null)
{
debug.log("[textmanager] loading default language.");
texttable = null; // reset to default
return false; // this means: call loadlanguage with null to reset to default
}

var fullpath:string = "languages/" + filename ; // the file is actually ".txt" in the end

var textasset:textasset = resources.load(fullpath, typeof(textasset));
if (textasset == null)
{
debug.log("[textmanager] "+ fullpath +" file not found.");
return false;
}

debug.log("[textmanager] loading: "+ fullpath);

if (texttable == null)
{
texttable = new hashtable();
}

texttable.clear();

var reader:stringreader = new stringreader(textasset.text);
var key:string = null;
var val:string = null;
var line:string;
line = reader.readline();
while ( (line ) != null)
{

if (line.startswith("msgid \""))
{
key = line.substring(7, line.length - 8);
}
else if (line.startswith("msgstr \""))
{
val = line.substring(8, line.length - 9);
}

if (key != null && val != null)
{
// todo: add error handling here in case of duplicate keys
texttable.add(key, val);

key = val = null;
}

line = reader.readline();
}

reader.close();

return true;
}


public static function gettext (key:string)
{
if (key != null && texttable != null)
{
if (texttable.containskey(key))
{
var result:string = texttable[key];
if (result.length > 0)
{
key = result;
}
}
}
return key;
}
}

</syntaxhighlight>

== Description ==
This is a simple class which (should) replicate the Texture2D.GetPixelBilinear function, but because it doesn't use Unity classes you can use it in other threads.

== Usage ==

<csharp>
// firstly create a new texture sampler
TextureSampler tex = new TextureSampler( your Texture2D goes here );

// then get the pixel you want
Color p = tex.GetPixelBilinear( 0.5f, 0.5f 0;
</csharp>

== Code ==

=== CSharp - TextureSampler.cs ===

<csharp>
using UnityEngine;

public class TextureSampler
{
Color[] _data;
int _height;
int _width;

public Color GetPixelBilinear( float u, float v )
{
// from: http://en.wikipedia.org/wiki/Bilinear_filtering#Sample_code

u *= _width;
v *= _height;

int x = Mathf.FloorToInt( u );
int y = Mathf.FloorToInt( v );

float u_ratio = u - x;
float v_ratio = v - y;
float u_opposite = 1 - u_ratio;
float v_opposite = 1 - v_ratio;

return ( ( GetPixel( x, y ) * u_opposite + GetPixel( x + 1, y ) * u_ratio ) * v_opposite
+ ( GetPixel( x, y + 1 ) * u_opposite + GetPixel( x + 1, y + 1 ) * u_ratio ) * v_ratio
);
}

public Color GetPixel( float x, float y )
{
int xi = (int)WrapBetween( x, 0.0f, (float)_width );
int yi = (int)WrapBetween( y, 0.0f, (float)_height );
return ( _data[yi * _width + xi] );
}

float Mod( float x, float y )
{
// from http://stackoverflow.com/questions/4633177/c-how-to-wrap-a-float-to-the-interval-pi-pi
if( 0 == y )
return( x );

return( x - y * Mathf.Floor(x/y) );
}

float WrapBetween( float value, float min, float max )
{
return Mod( value - min, max - min ) + min;
}

public TextureSampler( Texture2D source )
{
_data = source.GetPixels();
_width = source.width;
_height = source.height;
}
}
</csharp>

== Description ==
This is a simple class which (should) replicate the Texture2D.GetPixelBilinear function, but because it doesn't use Unity classes you can use it in other threads.

== Usage ==

<syntaxhighlight lang="csharp">
// firstly create a new texture sampler
TextureSampler tex = new TextureSampler( your Texture2D goes here );

// then get the pixel you want
Color p = tex.GetPixelBilinear( 0.5f, 0.5f 0;
</syntaxhighlight>

== Code ==

=== CSharp - TextureSampler.cs ===

<syntaxhighlight lang="csharp">
using UnityEngine;

public class TextureSampler
{
Color[] _data;
int _height;
int _width;

public Color GetPixelBilinear( float u, float v )
{
// from: http://en.wikipedia.org/wiki/Bilinear_filtering#Sample_code

u *= _width;
v *= _height;

int x = Mathf.FloorToInt( u );
int y = Mathf.FloorToInt( v );

float u_ratio = u - x;
float v_ratio = v - y;
float u_opposite = 1 - u_ratio;
float v_opposite = 1 - v_ratio;

return ( ( GetPixel( x, y ) * u_opposite + GetPixel( x + 1, y ) * u_ratio ) * v_opposite
+ ( GetPixel( x, y + 1 ) * u_opposite + GetPixel( x + 1, y + 1 ) * u_ratio ) * v_ratio
);
}

public Color GetPixel( float x, float y )
{
int xi = (int)WrapBetween( x, 0.0f, (float)_width );
int yi = (int)WrapBetween( y, 0.0f, (float)_height );
return ( _data[yi * _width + xi] );
}

float Mod( float x, float y )
{
// from http://stackoverflow.com/questions/4633177/c-how-to-wrap-a-float-to-the-interval-pi-pi
if( 0 == y )
return( x );

return( x - y * Mathf.Floor(x/y) );
}

float WrapBetween( float value, float min, float max )
{
return Mod( value - min, max - min ) + min;
}

public TextureSampler( Texture2D source )
{
_data = source.GetPixels();
_width = source.width;
_height = source.height;
}
}
</syntaxhighlight>

[[Category: Scripts]]
[[Category: C Sharp]]

Author: Unity Technologies.<br />
Translated into C# by [[User:Jmpp|Juan Manuel Palacios]], with a slightly modified API.


==Description==

This is the Joystick script developed by Unity Technologies in JavaScript, originally released with the [http://unity3d.com/support/resources/tutorials/penelope Penelope tutorial] and recently updated in the Unity 3.4.x release, translated into C# with a slightly modified API.


== Usage==

Script explanation & usage instructions should be sought in the [http://unity3d.com/support/resources/tutorials/penelope Penelope tutorial]. The API variations to the original script are decribed below:

* A '''fadeGUI''' boolean parameter was included to discern whether or not "touchPad" joysticks should be faded.
* The '''IsFingerDown''' method was migrated to an equivalent read-only '''isFingerDown''' C# property that can be queried as follows: <csharp>if (joystick.isFingerDown) { }</csharp>
* The '''LatchedFinger''' method was similarly migrated to a write-only '''latchedFinger''' C# property that can be set as follows: <csharp>joystick.latchedFinger = touch.FingerId;</csharp>
* The public '''position''' member variable was transparently migrated to a public but read-only C# property for off-the-shelf client consumption.
* Game-wide joysticks collection was moved to the '''Awake''' method away from '''Update''', the former itself employed instead of '''Start'''. This change is important because it involves the collection of the joysticks gameObjects based on the "joysticks" tag (customizable), which will cause an exception to be thrown when creating a joystick if not defined.
* Public '''Enable''' & '''Disable''' methods are provided for the corresponding actions, without needing to deactivate the entire joystick gameObject.
* The '''ResetJoystick''' method was renamed '''Restart'''. Note: I'm far from happy with this new method naming; the ideal would of course be simply '''Reset''', but that's already a [http://unity3d.com/support/documentation/ScriptReference/MonoBehaviour.Reset.html MonoBehaviour reserved method] for in-Editor component resetting. Feel free to suggest a better naming in the [[{{TALKPAGENAME}}|Discussion]] page.

==C# - Joystick.cs==
<csharp>using UnityEngine;
using System;
using System.Collections;
using System.Collections.Generic;


public class Boundary
{
public Vector2 min = Vector2.zero;
public Vector2 max = Vector2.zero;
}


[RequireComponent(typeof(GUITexture))]
public class Joystick : MonoBehaviour
{

/* Is this joystick a TouchPad? */
public bool touchPad = false;
/* In case the joystick is a touchPad, should its GUI be faded when inactive? */
public bool fadeGUI = false;
/* Control when position is output */
public Vector2 deadZone = Vector2.zero;
/* Normalize output after the dead-zone? */
public bool normalize = false;
/* Current tap count */
public int tapCount = -1;

/* The touchZone of the joystick */
private Rect touchZone;

/* Finger last used on this joystick */
private int lastFingerId = -1;
/* How much time there is left for a tap to occur */
private float tapTimeWindow;
private Vector2 fingerDownPos;
/*
* Currently unused.
private float fingerDownTime;
*/
private float firstDeltaTime;

/* Joystick graphic */
private GUITexture gui;
/* Default position / extents of the joystick graphic */
private Rect defaultRect;
/* Boundary for joystick graphic */
private Boundary guiBoundary = new Boundary();
/* Offset to apply to touch input */
private Vector2 guiTouchOffset;
/* Center of joystick */
private Vector2 guiCenter;

public bool isFingerDown
{
get
{
return (lastFingerId != -1);
}
}

public int latchedFinger
{
set
{
/* If another joystick has latched this finger, then we must release it */
if (lastFingerId == value)
{
Restart();
}
}
}

/* The position of the joystick on the screen ([-1, 1] in x,y) for clients to read. */
public Vector2 position
{
get;
private set;
}


private static string joysticksTag = "joystick";
/* A static collection of all joysticks */
private static List<Joystick> joysticks;
/* Has the joysticks collection been enumerated yet? */
private static bool enumeratedJoysticks = false;
/* Time allowed between taps */
private static float tapTimeDelta = 0.3f;


private void Reset()
{
try
{
gameObject.tag = joysticksTag;
}
catch (Exception)
{
Debug.LogError("The \""+joysticksTag+"\" tag has not yet been defined in the Tag Manager.");
throw;
}
}


private void Awake()
{
gui = GetComponent<GUITexture>();
if (gui.texture == null)
{
Debug.LogError("Joystick object requires a valid texture!");
gameObject.active = false;
return;
}

if (!enumeratedJoysticks)
{
try
{
/* Collect all joysticks in the game, so we can relay finger latching messages */
GameObject[] objs = GameObject.FindGameObjectsWithTag(joysticksTag);
joysticks = new List<Joystick>(objs.Length);
foreach (GameObject obj in objs)
{
Joystick newJoystick = obj.GetComponent<Joystick>();
if (newJoystick == null)
{
throw new NullReferenceException("Joystick gameObject found without a suitable Joystick component.");
}
joysticks.Add(newJoystick);
}
enumeratedJoysticks = true;
}
catch (Exception exp)
{
Debug.LogError("Error collecting Joystick objects: "+exp.Message);
throw;
}
}

/* Store the default rect for the gui, so we can snap back to it */
defaultRect = gui.pixelInset;

defaultRect.x += transform.position.x * Screen.width;// + gui.pixelInset.x; // - Screen.width * 0.5f;
defaultRect.y += transform.position.y * Screen.height;// - Screen.height * 0.5f;

transform.position = new Vector3(0, 0, transform.position.z);

if (touchPad)
{
/* Use the rect from the gui as our touchZone */
touchZone = defaultRect;
}
else
{
/* This is an offset for touch input to match with the top left corner of the GUI */
guiTouchOffset.x = defaultRect.width * 0.5f;
guiTouchOffset.y = defaultRect.height * 0.5f;

/* Cache the center of the GUI, since it doesn't change */
guiCenter.x = defaultRect.x + guiTouchOffset.x;
guiCenter.y = defaultRect.y + guiTouchOffset.y;

/* Let's build the GUI boundary, so we can clamp joystick movement */
guiBoundary.min.x = defaultRect.x - guiTouchOffset.x;
guiBoundary.max.x = defaultRect.x + guiTouchOffset.x;
guiBoundary.min.y = defaultRect.y - guiTouchOffset.y;
guiBoundary.max.y = defaultRect.y + guiTouchOffset.y;
}

}


public void Enable()
{
enabled = true;
}


public void Disable()
{
enabled = false;
}


public void Restart()
{
/* Release the finger control and set the joystick back to the default position */
gui.pixelInset = defaultRect;
lastFingerId = -1;
position = Vector2.zero;
fingerDownPos = Vector2.zero;

if (touchPad && fadeGUI)
{
gui.color = new Color(gui.color.r, gui.color.g, gui.color.b, 0.025f);
}
}


private void Update()
{

int count = Input.touchCount;

/* Adjust the tap time window while it still available */
if (tapTimeWindow > 0)
{
tapTimeWindow -= Time.deltaTime;
}
else
{
tapCount = 0;
}

if (count == 0)
{
Restart();
}
else
{
for (int i = 0; i < count; i++)
{
Touch touch = Input.GetTouch(i);
Vector2 guiTouchPos = touch.position - guiTouchOffset;

bool shouldLatchFinger = false;
if (touchPad && touchZone.Contains(touch.position))
{
shouldLatchFinger = true;
}
else if (gui.HitTest(touch.position))
{
shouldLatchFinger = true;
}

/* Latch the finger if this is a new touch */
if (shouldLatchFinger && (lastFingerId == -1 || lastFingerId != touch.fingerId))
{

if (touchPad)
{
if (fadeGUI)
{
gui.color = new Color(gui.color.r, gui.color.g, gui.color.b, 0.15f);
}
lastFingerId = touch.fingerId;
fingerDownPos = touch.position;
/*
* Currently unused.
fingerDownTime = Time.time;
*/
}

lastFingerId = touch.fingerId;

/* Accumulate taps if it is within the time window */
if (tapTimeWindow > 0)
{
tapCount++;
}
else
{
tapCount = 1;
tapTimeWindow = tapTimeDelta;
}

/* Tell other joysticks we've latched this finger */
foreach (Joystick j in joysticks)
{
if (j == this)
{
continue;
}
j.latchedFinger = touch.fingerId;
}
}

if (lastFingerId == touch.fingerId)
{
/*
Override the tap count with what the iOS SDK reports if it is greater.
This is a workaround, since the iOS SDK does not currently track taps
for multiple touches.
*/
if (touch.tapCount > tapCount)
{
tapCount = touch.tapCount;
}

if (touchPad)
{
/* For a touchpad, let's just set the position directly based on distance from initial touchdown */
position = new Vector2
(
Mathf.Clamp((touch.position.x - fingerDownPos.x) / (touchZone.width / 2), -1, 1),
Mathf.Clamp((touch.position.y - fingerDownPos.y) / (touchZone.height / 2), -1, 1)
);
}
else
{
/* Change the location of the joystick graphic to match where the touch is */
gui.pixelInset = new Rect
(
Mathf.Clamp(guiTouchPos.x, guiBoundary.min.x, guiBoundary.max.x),
Mathf.Clamp(guiTouchPos.y, guiBoundary.min.y, guiBoundary.max.y),
gui.pixelInset.width,
gui.pixelInset.height
);
}

if (touch.phase == TouchPhase.Ended || touch.phase == TouchPhase.Canceled)
{
Restart();
}
}
}

}

if (!touchPad)
{
/* Get a value between -1 and 1 based on the joystick graphic location */
position = new Vector2
(
(gui.pixelInset.x + guiTouchOffset.x - guiCenter.x) / guiTouchOffset.x,
(gui.pixelInset.y + guiTouchOffset.y - guiCenter.y) / guiTouchOffset.y
);
}

/* Adjust for dead zone */
float absoluteX = Mathf.Abs(position.x);
float absoluteY = Mathf.Abs(position.y);

if (absoluteX < deadZone.x)
{
/* Report the joystick as being at the center if it is within the dead zone */
position = new Vector2(0, position.y);
}
else if (normalize)
{
/* Rescale the output after taking the dead zone into account */
position = new Vector2(Mathf.Sign(position.x) * (absoluteX - deadZone.x) / (1 - deadZone.x), position.y);
}

if (absoluteY < deadZone.y)
{
/* Report the joystick as being at the center if it is within the dead zone */
position = new Vector2(position.x, 0);
}
else if (normalize)
{
/* Rescale the output after taking the dead zone into account */
position = new Vector2(position.x, Mathf.Sign(position.y) * (absoluteY - deadZone.y) / (1 - deadZone.y));
}
}


}
</csharp>

[[Category: Scripts]]
[[Category: C Sharp]]

Author: Unity Technologies.<br />
Translated into C# by [[User:Jmpp|Juan Manuel Palacios]], with a slightly modified API.


==Description==

This is the Joystick script developed by Unity Technologies in JavaScript, originally released with the [http://unity3d.com/support/resources/tutorials/penelope Penelope tutorial] and recently updated in the Unity 3.4.x release, translated into C# with a slightly modified API.


== Usage==

Script explanation & usage instructions should be sought in the [http://unity3d.com/support/resources/tutorials/penelope Penelope tutorial]. The API variations to the original script are decribed below:

* A '''fadeGUI''' boolean parameter was included to discern whether or not "touchPad" joysticks should be faded.
* The '''IsFingerDown''' method was migrated to an equivalent read-only '''isFingerDown''' C# property that can be queried as follows: <syntaxhighlight lang="csharp">if (joystick.isFingerDown) { }</syntaxhighlight>
* The '''LatchedFinger''' method was similarly migrated to a write-only '''latchedFinger''' C# property that can be set as follows: <syntaxhighlight lang="csharp">joystick.latchedFinger = touch.FingerId;</syntaxhighlight>
* The public '''position''' member variable was transparently migrated to a public but read-only C# property for off-the-shelf client consumption.
* Game-wide joysticks collection was moved to the '''Awake''' method away from '''Update''', the former itself employed instead of '''Start'''. This change is important because it involves the collection of the joysticks gameObjects based on the "joysticks" tag (customizable), which will cause an exception to be thrown when creating a joystick if not defined.
* Public '''Enable''' & '''Disable''' methods are provided for the corresponding actions, without needing to deactivate the entire joystick gameObject.
* The '''ResetJoystick''' method was renamed '''Restart'''. Note: I'm far from happy with this new method naming; the ideal would of course be simply '''Reset''', but that's already a [http://unity3d.com/support/documentation/ScriptReference/MonoBehaviour.Reset.html MonoBehaviour reserved method] for in-Editor component resetting. Feel free to suggest a better naming in the [[{{TALKPAGENAME}}|Discussion]] page.

==C# - Joystick.cs==
<syntaxhighlight lang="csharp">using UnityEngine;
using System;
using System.Collections;
using System.Collections.Generic;


public class Boundary
{
public Vector2 min = Vector2.zero;
public Vector2 max = Vector2.zero;
}


[RequireComponent(typeof(GUITexture))]
public class Joystick : MonoBehaviour
{

/* Is this joystick a TouchPad? */
public bool touchPad = false;
/* In case the joystick is a touchPad, should its GUI be faded when inactive? */
public bool fadeGUI = false;
/* Control when position is output */
public Vector2 deadZone = Vector2.zero;
/* Normalize output after the dead-zone? */
public bool normalize = false;
/* Current tap count */
public int tapCount = -1;

/* The touchZone of the joystick */
private Rect touchZone;

/* Finger last used on this joystick */
private int lastFingerId = -1;
/* How much time there is left for a tap to occur */
private float tapTimeWindow;
private Vector2 fingerDownPos;
/*
* Currently unused.
private float fingerDownTime;
*/
private float firstDeltaTime;

/* Joystick graphic */
private GUITexture gui;
/* Default position / extents of the joystick graphic */
private Rect defaultRect;
/* Boundary for joystick graphic */
private Boundary guiBoundary = new Boundary();
/* Offset to apply to touch input */
private Vector2 guiTouchOffset;
/* Center of joystick */
private Vector2 guiCenter;

public bool isFingerDown
{
get
{
return (lastFingerId != -1);
}
}

public int latchedFinger
{
set
{
/* If another joystick has latched this finger, then we must release it */
if (lastFingerId == value)
{
Restart();
}
}
}

/* The position of the joystick on the screen ([-1, 1] in x,y) for clients to read. */
public Vector2 position
{
get;
private set;
}


private static string joysticksTag = "joystick";
/* A static collection of all joysticks */
private static List<Joystick> joysticks;
/* Has the joysticks collection been enumerated yet? */
private static bool enumeratedJoysticks = false;
/* Time allowed between taps */
private static float tapTimeDelta = 0.3f;


private void Reset()
{
try
{
gameObject.tag = joysticksTag;
}
catch (Exception)
{
Debug.LogError("The \""+joysticksTag+"\" tag has not yet been defined in the Tag Manager.");
throw;
}
}


private void Awake()
{
gui = GetComponent<GUITexture>();
if (gui.texture == null)
{
Debug.LogError("Joystick object requires a valid texture!");
gameObject.active = false;
return;
}

if (!enumeratedJoysticks)
{
try
{
/* Collect all joysticks in the game, so we can relay finger latching messages */
GameObject[] objs = GameObject.FindGameObjectsWithTag(joysticksTag);
joysticks = new List<Joystick>(objs.Length);
foreach (GameObject obj in objs)
{
Joystick newJoystick = obj.GetComponent<Joystick>();
if (newJoystick == null)
{
throw new NullReferenceException("Joystick gameObject found without a suitable Joystick component.");
}
joysticks.Add(newJoystick);
}
enumeratedJoysticks = true;
}
catch (Exception exp)
{
Debug.LogError("Error collecting Joystick objects: "+exp.Message);
throw;
}
}

/* Store the default rect for the gui, so we can snap back to it */
defaultRect = gui.pixelInset;

defaultRect.x += transform.position.x * Screen.width;// + gui.pixelInset.x; // - Screen.width * 0.5f;
defaultRect.y += transform.position.y * Screen.height;// - Screen.height * 0.5f;

transform.position = new Vector3(0, 0, transform.position.z);

if (touchPad)
{
/* Use the rect from the gui as our touchZone */
touchZone = defaultRect;
}
else
{
/* This is an offset for touch input to match with the top left corner of the GUI */
guiTouchOffset.x = defaultRect.width * 0.5f;
guiTouchOffset.y = defaultRect.height * 0.5f;

/* Cache the center of the GUI, since it doesn't change */
guiCenter.x = defaultRect.x + guiTouchOffset.x;
guiCenter.y = defaultRect.y + guiTouchOffset.y;

/* Let's build the GUI boundary, so we can clamp joystick movement */
guiBoundary.min.x = defaultRect.x - guiTouchOffset.x;
guiBoundary.max.x = defaultRect.x + guiTouchOffset.x;
guiBoundary.min.y = defaultRect.y - guiTouchOffset.y;
guiBoundary.max.y = defaultRect.y + guiTouchOffset.y;
}

}


public void Enable()
{
enabled = true;
}


public void Disable()
{
enabled = false;
}


public void Restart()
{
/* Release the finger control and set the joystick back to the default position */
gui.pixelInset = defaultRect;
lastFingerId = -1;
position = Vector2.zero;
fingerDownPos = Vector2.zero;

if (touchPad && fadeGUI)
{
gui.color = new Color(gui.color.r, gui.color.g, gui.color.b, 0.025f);
}
}


private void Update()
{

int count = Input.touchCount;

/* Adjust the tap time window while it still available */
if (tapTimeWindow > 0)
{
tapTimeWindow -= Time.deltaTime;
}
else
{
tapCount = 0;
}

if (count == 0)
{
Restart();
}
else
{
for (int i = 0; i < count; i++)
{
Touch touch = Input.GetTouch(i);
Vector2 guiTouchPos = touch.position - guiTouchOffset;

bool shouldLatchFinger = false;
if (touchPad && touchZone.Contains(touch.position))
{
shouldLatchFinger = true;
}
else if (gui.HitTest(touch.position))
{
shouldLatchFinger = true;
}

/* Latch the finger if this is a new touch */
if (shouldLatchFinger && (lastFingerId == -1 || lastFingerId != touch.fingerId))
{

if (touchPad)
{
if (fadeGUI)
{
gui.color = new Color(gui.color.r, gui.color.g, gui.color.b, 0.15f);
}
lastFingerId = touch.fingerId;
fingerDownPos = touch.position;
/*
* Currently unused.
fingerDownTime = Time.time;
*/
}

lastFingerId = touch.fingerId;

/* Accumulate taps if it is within the time window */
if (tapTimeWindow > 0)
{
tapCount++;
}
else
{
tapCount = 1;
tapTimeWindow = tapTimeDelta;
}

/* Tell other joysticks we've latched this finger */
foreach (Joystick j in joysticks)
{
if (j == this)
{
continue;
}
j.latchedFinger = touch.fingerId;
}
}

if (lastFingerId == touch.fingerId)
{
/*
Override the tap count with what the iOS SDK reports if it is greater.
This is a workaround, since the iOS SDK does not currently track taps
for multiple touches.
*/
if (touch.tapCount > tapCount)
{
tapCount = touch.tapCount;
}

if (touchPad)
{
/* For a touchpad, let's just set the position directly based on distance from initial touchdown */
position = new Vector2
(
Mathf.Clamp((touch.position.x - fingerDownPos.x) / (touchZone.width / 2), -1, 1),
Mathf.Clamp((touch.position.y - fingerDownPos.y) / (touchZone.height / 2), -1, 1)
);
}
else
{
/* Change the location of the joystick graphic to match where the touch is */
gui.pixelInset = new Rect
(
Mathf.Clamp(guiTouchPos.x, guiBoundary.min.x, guiBoundary.max.x),
Mathf.Clamp(guiTouchPos.y, guiBoundary.min.y, guiBoundary.max.y),
gui.pixelInset.width,
gui.pixelInset.height
);
}

if (touch.phase == TouchPhase.Ended || touch.phase == TouchPhase.Canceled)
{
Restart();
}
}
}

}

if (!touchPad)
{
/* Get a value between -1 and 1 based on the joystick graphic location */
position = new Vector2
(
(gui.pixelInset.x + guiTouchOffset.x - guiCenter.x) / guiTouchOffset.x,
(gui.pixelInset.y + guiTouchOffset.y - guiCenter.y) / guiTouchOffset.y
);
}

/* Adjust for dead zone */
float absoluteX = Mathf.Abs(position.x);
float absoluteY = Mathf.Abs(position.y);

if (absoluteX < deadZone.x)
{
/* Report the joystick as being at the center if it is within the dead zone */
position = new Vector2(0, position.y);
}
else if (normalize)
{
/* Rescale the output after taking the dead zone into account */
position = new Vector2(Mathf.Sign(position.x) * (absoluteX - deadZone.x) / (1 - deadZone.x), position.y);
}

if (absoluteY < deadZone.y)
{
/* Report the joystick as being at the center if it is within the dead zone */
position = new Vector2(position.x, 0);
}
else if (normalize)
{
/* Rescale the output after taking the dead zone into account */
position = new Vector2(position.x, Mathf.Sign(position.y) * (absoluteY - deadZone.y) / (1 - deadZone.y));
}
}


}
</syntaxhighlight>

Liver sort a component of excretory program individuals human body [http://www.theurinarytractinfection.com/what-are-the-urinary-tract-infection-causes/ urinary tract infection causes]. There're located on spare on both in the human body within the diaphragm. Just about every renal is linked to the kidney with lengthy tv like structures identified as ureters. The pee from the renal system trips through these ureters and gathers from the bladder [http://www.theurinarytractinfection.com urinary tract infection] '''urinary tract infection'''. It stays on there till time it is handed down out of the human body as a result of urethra. The filtering organs engage in vital capabilities in the body such as filter the waste material with the body , retaining electrolyte steadiness , unsafe effects of blood pressure and contributing to the production of erythrocytes (or crimson blood stream skin cells ) '''urinary tract infection'''. But sometimes , the filtering organs

[[Category: Unity 3.x shaders]]
[[Category: Cg shaders]]

Author: [[User:Danielbrauer|Daniel Brauer]]

== Description ==
This is one of the simplest vertex/fragment combination shaders you can write. It is a good starting point for any number of shaders that wouldn't make good surface shaders.

==ShaderLab - Unlit.shader==
<shaderlab>
Shader "Custom/Basic Unlit" {
Properties {
_MainTex ("Base (RGB)", 2D) = "white" {}
}
SubShader {
Tags { "RenderType"="Opaque" }
LOD 200

Pass {
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"

struct v2f {
float4 pos : SV_POSITION;
float2 uv_MainTex : TEXCOORD0;
};

float4 _MainTex_ST;

v2f vert(appdata_base v) {
v2f o;
o.pos = mul(UNITY_MATRIX_MVP, v.vertex);
o.uv_MainTex = TRANSFORM_TEX(v.texcoord, _MainTex);
return o;
}

sampler2D _MainTex;

float4 frag(v2f IN) : COLOR {
half4 c = tex2D (_MainTex, IN.uv_MainTex);
return c;
}
ENDCG
}
}
}
</shaderlab>

[[Category: Unity 3.x shaders]]
[[Category: Cg shaders]]

Author: [[User:Danielbrauer|Daniel Brauer]]

== Description ==
This is one of the simplest vertex/fragment combination shaders you can write. It is a good starting point for any number of shaders that wouldn't make good surface shaders.

==ShaderLab - Unlit.shader==
<syntaxhighlight lang="shaderlab">
Shader "Custom/Basic Unlit" {
Properties {
_MainTex ("Base (RGB)", 2D) = "white" {}
}
SubShader {
Tags { "RenderType"="Opaque" }
LOD 200

Pass {
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"

struct v2f {
float4 pos : SV_POSITION;
float2 uv_MainTex : TEXCOORD0;
};

float4 _MainTex_ST;

v2f vert(appdata_base v) {
v2f o;
o.pos = mul(UNITY_MATRIX_MVP, v.vertex);
o.uv_MainTex = TRANSFORM_TEX(v.texcoord, _MainTex);
return o;
}

sampler2D _MainTex;

float4 frag(v2f IN) : COLOR {
half4 c = tex2D (_MainTex, IN.uv_MainTex);
return c;
}
ENDCG
}
}
}
</syntaxhighlight>

[[Category: Camera]]
[[Category: MonoBehaviour]]
[[Category: C_Sharp]]
[[Category: MouseLook]]

Author: [http://forum.unity3d.com/members/70994-VeggieTribe VeggieTribe]

==Description==
This orbital camera will rotate infinitely with zoom controls on the mousewheel. The zoom can be limited via min/max.

Please let me know if you have any questions or want to show me how you use it in your project.


==Code C#==

<csharp>

using UnityEngine;
using System.Collections;

[AddComponentMenu("Infinite Camera-Control/Mouse Orbit with zoom")]
public class MouseOrbitInfiniteRotateZoom : MonoBehaviour {

public Transform target;
public float xSpeed = 12.0f;
public float ySpeed = 12.0f;
public float scrollSpeed = 10.0f;

public float zoomMin = 1.0f;

public float zoomMax = 20.0f;

public float distance ;

public Vector3 position;

public bool isActivated;



float x = 0.0f;

float y = 0.0f;



// Use this for initialization

void Start () {

Vector3 angles = transform.eulerAngles;

x = angles.y;

y = angles.x;



}



void LateUpdate () {



// only update if the mousebutton is held down

if (Input.GetMouseButtonDown(1)){

isActivated = true;

}

// if mouse button is let UP then stop rotating camera

if (Input.GetMouseButtonUp(1))

{

isActivated = false;

}



if (target && isActivated) {

// get the distance the mouse moved in the respective direction

x += Input.GetAxis("Mouse X") * xSpeed;

y -= Input.GetAxis("Mouse Y") * ySpeed;



// when mouse moves left and right we actually rotate around local y axis

transform.RotateAround(target.position,transform.up, x);



// when mouse moves up and down we actually rotate around the local x axis

transform.RotateAround(target.position,transform.right, y);



// reset back to 0 so it doesn't continue to rotate while holding the button

x=0;

y=0;

} else {

// see if mouse wheel is used

if (Input.GetAxis("Mouse ScrollWheel") != 0)

{

// get the distance between camera and target

distance = Vector3.Distance (transform.position , target.position);



// get mouse wheel info to zoom in and out

distance = ZoomLimit(distance - Input.GetAxis("Mouse ScrollWheel")*scrollSpeed, zoomMin, zoomMax);



// position the camera FORWARD the right distance towards target

position = -(transform.forward*distance) + target.position;



// move the camera

transform.position = position;

}

}

}



public static float ZoomLimit(float dist, float min, float max)

{

if (dist < min)

dist= min;

if (dist > max)

dist= max;

return dist;

}



}


</csharp>

[[Category: Camera]]
[[Category: MonoBehaviour]]
[[Category: C_Sharp]]
[[Category: MouseLook]]

Author: [http://forum.unity3d.com/members/70994-VeggieTribe VeggieTribe]

==Description==
This orbital camera will rotate infinitely with zoom controls on the mousewheel. The zoom can be limited via min/max.

Please let me know if you have any questions or want to show me how you use it in your project.


==Code C#==

<syntaxhighlight lang="csharp">

using UnityEngine;
using System.Collections;

[AddComponentMenu("Infinite Camera-Control/Mouse Orbit with zoom")]
public class MouseOrbitInfiniteRotateZoom : MonoBehaviour {

public Transform target;
public float xSpeed = 12.0f;
public float ySpeed = 12.0f;
public float scrollSpeed = 10.0f;

public float zoomMin = 1.0f;

public float zoomMax = 20.0f;

public float distance ;

public Vector3 position;

public bool isActivated;



float x = 0.0f;

float y = 0.0f;



// Use this for initialization

void Start () {

Vector3 angles = transform.eulerAngles;

x = angles.y;

y = angles.x;



}



void LateUpdate () {



// only update if the mousebutton is held down

if (Input.GetMouseButtonDown(1)){

isActivated = true;

}

// if mouse button is let UP then stop rotating camera

if (Input.GetMouseButtonUp(1))

{

isActivated = false;

}



if (target && isActivated) {

// get the distance the mouse moved in the respective direction

x += Input.GetAxis("Mouse X") * xSpeed;

y -= Input.GetAxis("Mouse Y") * ySpeed;



// when mouse moves left and right we actually rotate around local y axis

transform.RotateAround(target.position,transform.up, x);



// when mouse moves up and down we actually rotate around the local x axis

transform.RotateAround(target.position,transform.right, y);



// reset back to 0 so it doesn't continue to rotate while holding the button

x=0;

y=0;

} else {

// see if mouse wheel is used

if (Input.GetAxis("Mouse ScrollWheel") != 0)

{

// get the distance between camera and target

distance = Vector3.Distance (transform.position , target.position);



// get mouse wheel info to zoom in and out

distance = ZoomLimit(distance - Input.GetAxis("Mouse ScrollWheel")*scrollSpeed, zoomMin, zoomMax);



// position the camera FORWARD the right distance towards target

position = -(transform.forward*distance) + target.position;



// move the camera

transform.position = position;

}

}

}



public static float ZoomLimit(float dist, float min, float max)

{

if (dist < min)

dist= min;

if (dist > max)

dist= max;

return dist;

}



}


</syntaxhighlight>

== '''File encryption''' ==

[[4D IS]] - Back


FileEncryption is a class to encrypt files or strings.

'''Functions :'''

<javascript>

FileEncryption.Encrypt ( "...text...", key as int ) : String;
FileEncryption.EncryptFile ( "...url...", key as int );

</javascript>

----

'''You need ...'''

[[4DIS - IO]]

'''... and ...'''

FileEncryption.js

<javascript>

class FileEncryption
{
public static function GetCharList ( string : String )
{
var s : String = "";

for ( var i : int = 0; i < string.length; i++ )
if ( s.IndexOf ( string [ i ] ) == -1 )
s += string [ i ];

return s;
}

public static function GetNewChar ( c : char, list : String, key : int )
{
var oi : int = list.length - list.IndexOf ( c ) - 1 + key;

while ( oi >= list.length )
oi -= list.length;

while ( oi < 0 )
oi += list.length;

return list [ oi ];
}

public static function Encrypt ( string : String, key : int )
{
var list : String = GetCharList ( string );
var rs : String = "";

for ( var i : int = 0; i < string.length; i++ )
rs += GetNewChar ( string [ i ], list, key );

return rs;
}

public static function EncryptFile ( url : String, key : int )
{
if ( ! IO.ExistsFile ( url ) )
return null;

IO.WriteFile ( url, Encrypt ( IO.ReadFile ( url ), key ) );
}
}

</javascript>

== '''File encryption''' ==

[[4D IS]] - Back


FileEncryption is a class to encrypt files or strings.

'''Functions :'''

<syntaxhighlight lang="javascript">

FileEncryption.Encrypt ( "...text...", key as int ) : String;
FileEncryption.EncryptFile ( "...url...", key as int );

</syntaxhighlight>

----

'''You need ...'''

[[4DIS - IO]]

'''... and ...'''

FileEncryption.js

<syntaxhighlight lang="javascript">

class FileEncryption
{
public static function GetCharList ( string : String )
{
var s : String = "";

for ( var i : int = 0; i < string.length; i++ )
if ( s.IndexOf ( string [ i ] ) == -1 )
s += string [ i ];

return s;
}

public static function GetNewChar ( c : char, list : String, key : int )
{
var oi : int = list.length - list.IndexOf ( c ) - 1 + key;

while ( oi >= list.length )
oi -= list.length;

while ( oi < 0 )
oi += list.length;

return list [ oi ];
}

public static function Encrypt ( string : String, key : int )
{
var list : String = GetCharList ( string );
var rs : String = "";

for ( var i : int = 0; i < string.length; i++ )
rs += GetNewChar ( string [ i ], list, key );

return rs;
}

public static function EncryptFile ( url : String, key : int )
{
if ( ! IO.ExistsFile ( url ) )
return null;

IO.WriteFile ( url, Encrypt ( IO.ReadFile ( url ), key ) );
}
}

</syntaxhighlight>

== '''IO''' ==

[[4D IS]] - Back


You need this class to save and load strings.

'''Functions :'''

<javascript>

IO.ExistsFile ( "...url..." ) : boolean;
IO.RemoveFile ( "...url..." );
IO.WriteFile ( "...url...", "...text..." );
IO.ReadFile ( "...url..." ) : String;

</javascript>

----

IO.js

<javascript>

import System.IO;

class IO
{
public static function ExistsFile ( url : String )
{
var info : FileInfo = new FileInfo ( url );

return info.Exists;
}

public static function RemoveFile ( url : String )
{
var info : FileInfo = new FileInfo ( url );

if ( info.Exists )
info.Delete ( );
}

public static function WriteFile ( url : String, string : String )
{
var writer : StreamWriter;
var info : FileInfo = new FileInfo ( url );

if ( info.Exists )
info.Delete ( );

writer = info.CreateText ( );

writer.Write ( string );
writer.Close ( );
}

public static function ReadFile ( url : String )
{
var info : FileInfo = new FileInfo ( url );

if ( ! info.Exists )
return "";

var reader : StreamReader = File.OpenText ( url );
var readedString : String = reader.ReadToEnd ( );

reader.Close ( );

return readedString;
}
}

</javascript>