public void remove(CollidableObject collidableObject)
	{
		Iterator<CollidableObject> i= collidableList.iterator();
		int index=0;
		while (i.hasNext())
		{
			if (i.equals(collidableObject))
			{
				collidableList.remove(index);
				break;
			}
			
			index++;
		}
	}