change world.bounds to Infinity, remove world bounds check from Engine, closes #67

Author: liabru

src/body/World.js

@@ -31,8 +31,8 @@ var World = {};
             label: 'World',
             gravity: { x: 0, y: 1 },
             bounds: { 
-                min: { x: 0, y: 0 }, 
-                max: { x: 800, y: 600 } 
+                min: { x: -Infinity, y: -Infinity }, 
+                max: { x: Infinity, y: Infinity } 
             }
         };
 

src/core/Engine.js

@@ -312,11 +312,6 @@ var Engine = {};
             if (body.isStatic || body.isSleeping)
                 continue;
 
-            // don't update out of world bodies
-            if (body.bounds.max.x < worldBounds.min.x || body.bounds.min.x > worldBounds.max.x
-                || body.bounds.max.y < worldBounds.min.y || body.bounds.min.y > worldBounds.max.y)
-                continue;
-
             Body.update(body, deltaTime, timeScale, correction);
         }
     };