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Code Issues Releases Wiki Activity

Hypersian Rug now works with other tori/Klein bottles

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Zeno Rogue
2017-12-28 18:39:49 +01:00
parent ead56c9c33
commit 7685868fb2
3 changed files with 94 additions and 42 deletions
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12
hyperpoint.cpp
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@@ -505,3 +505,15 @@ transmatrix pushone() { return euclid ? eupush(1, 0) : xpush(sphere?.5 : 1); }
bool operator == (hyperpoint h1, hyperpoint h2) {
return h1[0] == h2[0] && h1[1] == h2[1] && h1[2] == h2[2];
}
// rotation matrix in R^3
transmatrix rotmatrix(double rotation, int c0, int c1) {
transmatrix t = Id;
t[c0][c0] = cos(rotation);
t[c1][c1] = cos(rotation);
t[c0][c1] = sin(rotation);
t[c1][c0] = -sin(rotation);
return t;
}