twist:: nil twist in raycaster

2025-10-31 22:12:59 +00:00 · 2024-06-16 23:46:46 +02:00
parent 8b7d7d56e9
commit 75f631cd40
2 changed files with 11 additions and 9 deletions
--- a/polygons.cpp
+++ b/polygons.cpp
@@ -891,6 +891,8 @@ hyperpoint ray_kleinize_twisted(hyperpoint h, int ks, int id) {

  if(id < ks) h = spin(-TAU * id / ks) * h;

+  if(nil) return hyperpoint(x, y, z - x * y / 2, 1);
+
  ld dx, dy;

  if(sl2) {