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fixed a freeze in Berger sphere primitive

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This commit is contained in:
Zeno Rogue 2020-07-28 16:44:02 +02:00
parent 18c96d4e62
commit c25e120c13
1 changed files with 12 additions and 1 deletions
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13
nonisotropic.cpp
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@ -2361,6 +2361,8 @@ EX namespace stretch {
vector<hyperpoint> res;
ld SV = stretch::not_squared();
if(stretch::factor == 0) {
ld d = hypot_d(3, h);
if(h[3] >= 1 || h[3] <= -1|| d == 0) return res;
@ -2375,8 +2377,17 @@ EX namespace stretch {
return res;
}
if(h[0] == 0 && h[1] == 0) {
ld a = atan2(h[2], h[3]);
for(int it=-generations; it<generations; it++) {
res.push_back(point31(0, 0, (a + 2 * M_PI * it) * SV));
}
return res;
}
ld xy = hypot_d(2, h);
ld SV = stretch::not_squared();
ld base_min_a = asin(xy);
ld base_max_a = M_PI - base_min_a;