Events call the world directly, avoids an unnecessary function jump.

Author: photonstorm

src/physics/arcade/ArcadePhysics.js

@@ -49,22 +49,12 @@ var ArcadePhysics = new Class({
 
         this.systems.inject(this);
 
-        this.systems.events.on('update', this.update, this);
-        this.systems.events.on('postupdate', this.postUpdate, this);
+        this.systems.events.on('update', this.world.update, this.world);
+        this.systems.events.on('postupdate', this.world.postUpdate, this.world);
         this.systems.events.on('shutdown', this.shutdown, this);
         this.systems.events.on('destroy', this.destroy, this);
     },
 
-    update: function (time, delta)
-    {
-        this.world.update(time, delta);
-    },
-
-    postUpdate: function ()
-    {
-        this.world.postUpdate();
-    },
-
     overlap: function (object1, object2, overlapCallback, processCallback, callbackContext)
     {
         if (overlapCallback === undefined) { overlapCallback = null; }

src/physics/impact/ImpactPhysics.js

@@ -49,16 +49,11 @@ var ImpactPhysics = new Class({
 
         this.systems.inject(this);
 
-        this.systems.events.on('update', this.update, this);
+        this.systems.events.on('update', this.world.update, this.world);
         this.systems.events.on('shutdown', this.shutdown, this);
         this.systems.events.on('destroy', this.destroy, this);
     },
 
-    update: function (time, delta)
-    {
-        this.world.update(time, delta);
-    },
-
     shutdown: function ()
     {
         this.world.shutdown();

src/physics/matter-js/MatterPhysics.js

@@ -72,8 +72,8 @@ var MatterPhysics = new Class({
 
         this.systems.inject(this);
 
-        this.systems.events.on('update', this.update, this);
-        this.systems.events.on('postupdate', this.postUpdate, this);
+        this.systems.events.on('update', this.world.update, this.world);
+        this.systems.events.on('postupdate', this.world.postUpdate, this.world);
         this.systems.events.on('shutdown', this.shutdown, this);
         this.systems.events.on('destroy', this.destroy, this);
     },
@@ -94,16 +94,6 @@ var MatterPhysics = new Class({
         return this;
     },
 
-    update: function (time, delta)
-    {
-        this.world.update(time, delta);
-    },
-
-    postUpdate: function (time, delta)
-    {
-        this.world.postUpdate(time, delta);
-    },
-
     shutdown: function ()
     {
         this.world.shutdown();