public void zoomOut() 
	{ 
		if (created)
		{
			if (TILE_SIZE.x > MIN_TILE_SIZE.x && TILE_SIZE.y > MIN_TILE_SIZE.y) 
			{ 
				this.TILE_SIZE.x = this.TILE_SIZE.x / 2;
				this.TILE_SIZE.y = this.TILE_SIZE.y / 2; 
				zoom();
			} 
		}
	}