public void onMouseWheelMoved(int amount)
	{
		if(this.currentGui != null)
			this.currentGui.onMouseWheelMoved(amount);
		else
		{
			this.world.TILE_SIZE += amount;
			if(this.world.TILE_SIZE < 16)
				this.world.TILE_SIZE = 16;
			if(this.world.TILE_SIZE > 64)
				this.world.TILE_SIZE = 64;
		}
	}