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improved hyperboloid model

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Zeno Rogue
2018-10-23 20:08:57 +02:00
parent 0d4ab71115
commit 8a37a43547
6 changed files with 110 additions and 22 deletions
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hypgraph.cpp
+24
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@@ -192,7 +192,31 @@ void applymodel(hyperpoint H, hyperpoint& ret) {
return;
}
if(pmodel == mdHyperboloidFlat) {
H[2] += vid.alpha;
H[0] /= H[2];
H[1] /= H[2];
H[2] = 1 - vid.alpha;
ld ball = -vid.ballangle * M_PI / 180;
ld cb = cos(ball), sb = sin(ball);
ret[0] = H[0] / 3;
ret[1] = (1 - H[2]) / 3 * cb - H[1] / 3 * sb;
ret[2] = -(-H[1] / 3 * cb - (1 - H[2]) / 3 * sb);
ghcheck(ret,H);
return;
}
if(pmodel == mdHyperboloid) {
ld& tz = conformal::top_z;
if(H[2] > tz) {
ld scale = sqrt(tz*tz-1) / hypot(H[0], H[1]);
H[0] *= scale;
H[1] *= scale;
H[2] = tz;
}
ld ball = -vid.ballangle * M_PI / 180;
ld cb = cos(ball), sb = sin(ball);