@Override
	public void run()
	{
		while(true)
		{
			for(int i = 0; i < collidableList.size(); i++)
			{
				for(int j = i+1; j < collidableList.size(); j++)
				{
					if(collidableList.get(i).collidesWith(collidableList.get(j)))
					{
						System.out.println("collision");
						collidableList.get(i).notify(collidableList.get(j));
						collidableList.get(j).notify(collidableList.get(i));
					}
				}				
			}			
		}
	}