public void draw(Bitmap render, int xOffset, int yOffset)
	{
		for(int y = 0; y <  render.height; y++)
		{
			int yPix = y + yOffset;
			
			if (yPix < 0 || yPix >= height) 
				continue;
			
			for(int x = 0; x <  render.width; x++)
			{
				int xPix = x + xOffset;
				
				if (xPix < 0 || xPix >= width) 
					continue;
				
				int alpha =  render.pixels[x + y * render.width];
				
				pixels[xPix + yPix * width] = alpha;
			}
		}
	}