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fixed apply_perspective to use the actual z to keep z-ordering correct

This commit is contained in:
Zeno Rogue 2022-12-29 20:50:47 +01:00
parent 2999818eaf
commit 78fb0cca20
1 changed files with 2 additions and 2 deletions
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4
hypgraph.cpp
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@ -379,11 +379,11 @@ EX ld signed_sqrt(ld x) { return x > 0 ? sqrt(x) : -sqrt(-x); }
EX int axial_x, axial_y;
EX void apply_perspective(const hyperpoint& H, hyperpoint& ret) {
if(H[2] == 0) { ret[0] = 1e6; ret[1] = 1e6; ret[2] = 1; return; }
if(H[2] == 0) { ret[0] = 1e6; ret[1] = 1e6; ret[2] = 0; return; }
ld ratio = vid.xres / current_display->tanfov / current_display->radius / 2;
ret[0] = H[0]/H[2] * ratio;
ret[1] = H[1]/H[2] * ratio;
ret[2] = 1;
ret[2] = H[2];
ret[3] = 1;
}