public void move(SiegeModel model, int width, int height)
	{
		switch(hitWall(700, height))
		{
		case LEFT:
			X = 0;
			break;
		case RIGHT:
			X = 700 - (SizeX + 11);
			break;
		}
		
		X += Vx;
		Y += Vy;
	}