diff options
| author | tslil clingman <> | 2021-09-05 18:03:56 -0400 |
|---|---|---|
| committer | tslil clingman <> | 2021-09-05 19:36:00 -0400 |
| commit | 1c4874c9f2855ee776bf8d5c35aef3d245c0519d (patch) | |
| tree | 7478157a9a0841542eb01bd3c5937f07ad39e687 /src/map.zig | |
| parent | b1086c978996e522f133b4c6bdc59c95016eec0a (diff) | |
I don't understand this, but it works ...
For whatever reason, we /can/ compensate for the TERRIBLE linear
interpolation hacks on direction (and so distance) computations for
the walls and floors. We do this by scaling the otherwise exact and
correct computations for the perp_distance and centre of an object by
the magic number
FOV_SCALE = 2 * tan(FOV / 2)
Why? Who knows. This is a little frustrating, because it means i don't
understand some part of the rendering process.
Diffstat (limited to 'src/map.zig')
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