Added startToCurrent argument to Tween.updateTo.

Author: photonstorm

v3/src/tween/tween/Tween.js

@@ -114,7 +114,7 @@ var Tween = new Class({
         return (this.targets.indexOf(target) !== -1);
     },
 
-    updateTo: function (key, value)
+    updateTo: function (key, value, startToCurrent)
     {
         for (var i = 0; i < this.totalData; i++)
         {
@@ -124,6 +124,11 @@ var Tween = new Class({
             {
                 tweenData.end = value;
 
+                if (startToCurrent)
+                {
+                    tweenData.start = tweenData.current;
+                }
+
                 break;
             }
         }

v3/src/tween/tween/components/UpdateTweenData.js

@@ -256,6 +256,8 @@ var UpdateTweenData = function (tween, tweenData, delta)
 
             tweenData.end = tweenData.getEndValue(tweenData.target, tweenData.key, tweenData.start);
 
+            tweenData.current = tweenData.start;
+
             tweenData.target[tweenData.key] = tweenData.start;
 
             tweenData.state = TWEEN_CONST.PLAYING_FORWARD;