Raycaster improvements, cleanup and working bug spray #698
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* Delete dead code and commented-out code * Removed vector operations, used builtin .rotate * Optimise some code paths by sharing computed values * Compute player camera in render instead of update * Optimise ambient occlusion * Support for PicoSystem 120x120 (targets 120x90 and overdraws)
Raycaster uses vspan to draw walls and sprites, and was paying the cost for walls drawn under the HUD. Clip Rect support in vspan allows it to gain a little extra performance by not drawing things you can't see. Don't set a clip Rect larger than the screen...
Uses sprites projected from the spray can nozzle with a gradual change in opacity/size to simulate a cloud of bug spray. Spray has nozzle velocity and, actually by accident, slowly floats up into the air.
Also disable -Werror to pass CI. I've cleaned up the stuff that GCC complained about.
Gadgetoid
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General
Raycaster uses vspan to draw walls and sprites, and was paying the cost for walls drawn under the HUD.
Clip Rect support in vspan allows it to gain a little extra performance by not drawing things you can't see.
Don't set a clip Rect larger than the screen...
RayCaster