Added a few comments.

Ball.h

@@ -16,11 +16,15 @@ public:
 		{
 			// NOTE(dev): move around by 100 to show that the number is different each time,
 			//             but keep the instance number to show you're on the same one.
+			// NOTE(dev): THIS IS THE CODE that proves that the graphics object does not
+			//             call on the physics system to determind its location.
 			return instance_num + ((rand() % 10) * 100);
 		}
 	static void SetX(int &x, void *instance)
 		{
 			Ball *ball = static_cast<Ball*>(instance);
+			// NOTE(dev): This could easily be physics_system->GetX(this->physics_lookup_id)
+			//             and GraphicsObject would never have to know about it.
 			x = ball->GetXFromPhysicsSimulation();
 			return;
 		}