Added Time.physicsElapsedMS and used in Sprite lifespan and Tweens.

Author: photonstorm

src/gameobjects/Sprite.js

@@ -252,7 +252,7 @@ Phaser.Sprite.prototype.preUpdate = function() {
     //  Only apply lifespan decrement in the first updateLogic pass.
     if (this.lifespan > 0 && this.game.updateNumber === 0)
     {
-        this.lifespan -= this.game.time.elapsedMS;
+        this.lifespan -= this.game.time.physicsElapsedMS;
 
         if (this.lifespan <= 0)
         {

src/time/Time.js

@@ -86,6 +86,13 @@ Phaser.Time = function (game) {
     */
     this.physicsElapsed = 0;
 
+    /**
+    * The Time.physicsElapsed property * 1000.
+    *
+    * @property {number} physicsElapsedMS
+    */
+    this.physicsElapsedMS = 0;
+
     /**
     * The desired frame rate of the game.
     *
@@ -355,6 +362,8 @@ Phaser.Time.prototype = {
         //  Set the physics elapsed time... this will always be 1 / this.desiredFps because we're using fixed time steps in game.update now
         this.physicsElapsed = 1 / this.desiredFps;
 
+        this.physicsElapsedMS = this.physicsElapsed * 1000;
+
         if (this.advancedTiming)
         {
             this.msMin = Math.min(this.msMin, this.elapsed);

src/tween/TweenData.js

@@ -332,12 +332,12 @@ Phaser.TweenData.prototype = {
 
         if (this.parent.reverse)
         {
-            this.dt -= (this.game.time.physicsElapsed * 1000) * this.parent.timeScale;
+            this.dt -= this.game.time.physicsElapsedMS * this.parent.timeScale;
             this.dt = Math.max(this.dt, 0);
         }
         else
         {
-            this.dt += (this.game.time.physicsElapsed * 1000) * this.parent.timeScale;
+            this.dt += this.game.time.physicsElapsedMS * this.parent.timeScale;
             this.dt = Math.min(this.dt, this.duration);
         }