Not a bad idea, although you loose out on the pixel perfect collision offered by the 2D collision functios. Still it's much better than what I came up with ;)
Any idea if writing the sprite to the backbuffer, then using a copy rect to make an image for the overlap thing would be too slow?
Any idea if writing the sprite to the backbuffer, then using a copy rect to make an image for the overlap thing would be too slow?