private void CheckCollisions(double ElapsedTime, List <ICollidable> Objects) { QTree.Clear(); for (int i = 0; i < Objects.Count; i++) { QTree.Add(Objects[i]); } QTree.CheckCollisions(); PairList <ICollidable> Collisions = QTree.GetCollisions(); for (int i = 0; i < Collisions.Count; i++) { ObjA = Collisions.Get(i).Get(0); ObjB = Collisions.Get(i).Get(1); ObjA.Collide(ObjB); ObjB.Collide(ObjA); //Collisions.Get(i).Get(0).Collide(Collisions.Get(i).Get(1)); //Collisions.Get(i).Get(1).Collide(Collisions.Get(i).Get(0)); } }