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For questions about computations subject to real-time constraints. The minimum framerate for a real-time illusion is usually considered to be around 24 frames per second. See also [interactive] for less strict constraints and [offline] for computations which will take significantly longer.
3
votes
Projected grid water horizon detail
Some software like Maya, solve this by using a polar (or actually cartesian that turns polar at a distance) much in the same way as you grid centered on the camera position. This setup adds more detai …
6
votes
How to implement a realtime 2D light renderer with fog/colored light on the GPU?
If your wall geometry is vector graphics you can simply extrude the segment away from the light position. This means 2 triangles per draw call, all the extrusion offsets can can be handled in the ver …