Deferred Shading
Drawing the scene's colour, surface direction, and position once, then lighting it afterwards in a single screen pass, so 64 moving coloured lights cost the same no matter how much geometry there is; drag to orbit.
interactive
Drawing the scene's colour, surface direction, and position once, then lighting it afterwards in a single screen pass, so 64 moving coloured lights cost the same no matter how much geometry there is; drag to orbit.