From e218c83ead5d34b2bb33bb8c9522cafce0810338 Mon Sep 17 00:00:00 2001
From: Pauli Savolainen <pauli.savolainen@greenergrass.company>
Date: Fri, 5 Feb 2016 09:12:16 +0200
Subject: [PATCH] Provide a callback for a situation where GameObject gets
 destroyed during a tween. In such situation onComplete never gets called.
 Code using lean tween might need to be able to react to game objects being
 destroyed during a tween.

---
 Assets/Plugins/LTDescr.cs   |  1 +
 Assets/Plugins/LeanTween.cs | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/Assets/Plugins/LTDescr.cs b/Assets/Plugins/LTDescr.cs
index 5e332b88..2bf7baec 100644
--- a/Assets/Plugins/LTDescr.cs
+++ b/Assets/Plugins/LTDescr.cs
@@ -82,6 +82,7 @@ public interface LTDescr
 	LTDescr setLoopPingPong();
 	LTDescr setLoopPingPong(int loops);
 	LTDescr setLoopType(LeanTweenType loopType);
+	LTDescr setOnDestroyed(Action onDestroyed);
 	LTDescr setOnComplete(Action onComplete);
 	LTDescr setOnComplete(Action<object> onComplete);
 	LTDescr setOnComplete(Action<object> onComplete, object onCompleteParam);
diff --git a/Assets/Plugins/LeanTween.cs b/Assets/Plugins/LeanTween.cs
index 2a5c5082..95fc3215 100755
--- a/Assets/Plugins/LeanTween.cs
+++ b/Assets/Plugins/LeanTween.cs
@@ -265,6 +265,7 @@ public class LTDescrImpl : LTDescr {
 	public LeanTweenType tweenType { get; set; }
 	public AnimationCurve animationCurve { get; set; }
 	public LeanTweenType loopType { get; set; }
+	public bool hasOnDestroyedCallback { get { return this.onDestroyed != null; } }
 	public bool hasUpdateCallback { get; set; }
 	public Action<float> onUpdateFloat { get; set; }
     public Action<float,float> onUpdateFloatRatio { get; set; }
@@ -273,6 +274,7 @@ public class LTDescrImpl : LTDescr {
 	public Action<Vector3> onUpdateVector3 { get; set; }
 	public Action<Vector3,object> onUpdateVector3Object { get; set; }
 	public Action<Color> onUpdateColor { get; set; }
+	public Action onDestroyed { get; set; }
 	public Action onComplete { get; set; }
 	public Action<object> onCompleteObject { get; set; }
 	public object onCompleteParam { get; set; }
@@ -901,6 +903,11 @@ public LTDescr setLoopPingPong( int loops ) {
 		return this; 
 	}
 
+	public LTDescr setOnDestroyed(Action onDestroyed){
+		this.onDestroyed = onDestroyed;
+		return this;
+	}
+
 	/**
 	* Have a method called when the tween finishes
 	* @method setOnComplete
@@ -1430,6 +1437,9 @@ public static void update() {
 				}
 				
 				if(trans==null){
+					if (tweens[i].hasOnDestroyedCallback){
+						tweens[i].onDestroyed();
+					}
 					removeTween(i);
 					continue;
 				}