Christoph Oelckers
a3dbfab54b
- return some invalid but recognizable magic value when IntersectLines is being passed two collinear lines.
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This actually should check if the two lines are identical but since this is rather expensive and rarely needed it's better handled by returning a distinct value the caller can handle if needed.
2022-10-30 16:51:37 +01:00
Christoph Oelckers
e3254a8546
- fixed an edge case in cansee where an actor placed directly on a two-sided wall would fail to register that wall's back sector.
2022-10-30 16:51:37 +01:00
Christoph Oelckers
8e9ddf370c
- rewrote getzrange
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Not using any old Build code anymore. Aside from the trivial stuff this uses code from Doom and SW instead.
2022-10-27 16:55:28 +02:00
Christoph Oelckers
2991bc752b
- split out the pure math stuff from gamefuncs.h into a utility header in 'common'.
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Also did a bit of reshuffling on gamefuncs.h to group content better.
2022-10-22 20:41:26 +02:00