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projective_to_space wa using pconf.alpha instead of alpha

This commit is contained in:
Zeno Rogue 2025-08-05 09:09:49 +02:00
parent 08d1eeaca4
commit b95549c0ae

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@ -63,7 +63,7 @@ EX hyperpoint perspective_to_space(hyperpoint h, ld alpha IS(pconf.alpha), eGeom
B /= A; C /= A;
ld rootsign = 1;
if(gc == gcSphere && pconf.alpha > 1) rootsign = -1;
if(gc == gcSphere && alpha > 1) rootsign = -1;
ld hz = B / 2 + rootsign * sqrt(C + B*B/4);