The discs of light used by my XNA 2D lighting code look decent, but shadows would really add to the realism. Shadows are a bit tricky because they are non-local: an object half-way across the screen can make the difference in whether a pixel should be...

I've been playing with 2D lighting lately so I can add it to my XNA maze game . Lighting in computer graphics, I think it's fair to say, is always a bit of a hack -- a matter of finding some middle ground between the (incredibly rich and complex) way...