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getCdata and getBits: prod -> hybri

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Zeno Rogue
2020-05-15 18:31:32 +02:00
parent 58a4583bb7
commit 3f20ba9d29
4 changed files with 29 additions and 10 deletions
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24
hyperpoint.cpp
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@@ -384,6 +384,30 @@ EX ld hypot_d(int d, const hyperpoint& h) {
return sqrt(sqhypot_d(d, h));
}
/** @brief h1 and h2 define a line; to_other_side(h1,h2)*x is x moved orthogonally to this line, by double the distance from C0
* (I suppose it could be done better)
*/
EX transmatrix to_other_side(hyperpoint h1, hyperpoint h2) {
ld d = hdist(h1, h2);
hyperpoint v;
if(euclid)
v = (h2 - h1) / d;
else
v = (h1 * cos_auto(d) - h2) / sin_auto(d);
ld d1;
if(euclid)
d1 = -(v|h1) / (v|v);
else
d1 = atan_auto(-v[LDIM] / h1[LDIM]);
hyperpoint hm = h1 * cos_auto(d1) + v * sin_auto(d1);
return rspintox(hm) * xpush(-hdist0(hm) * 2) * spintox(hm);
}
/** @brief positive for a material vertex, 0 for ideal vertex, negative for ultra-ideal vertex */
EX ld material(const hyperpoint& h) {
if(sphere) return intval(h, Hypc);