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fake:: more interesting for the coxeter variation

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Zeno Rogue 2021-07-13 21:32:01 +02:00
parent 4bff948243
commit dcac42ec76
1 changed files with 47 additions and 0 deletions
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47
fake.cpp
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@ -85,6 +85,42 @@ EX namespace fake {
}
transmatrix adj(cell *c, int d) override {
if(variation == eVariation::coxeter) {
array<int, 3> which;
in_underlying([&which, c, d] {
auto T = currentmap->adj(c, d);
auto& f1 = currentmap->get_cellshape(c).faces_local[d];
auto& f2 = currentmap->get_cellshape(c->move(d)).faces_local[c->c.spin(d)];
for(int i=0; i<3; i++) {
which[i] = -1;
for(int j=0; j<isize(f2); j++)
if(hdist(T * f2[j], f1[i]) < 1e-6)
which[i] = j;
}
});
auto& f1 = get_cellshape(c).faces_local[d];
auto& f2 = get_cellshape(c->move(d)).faces_local[c->c.spin(d)];
vector<ld> d1;
for(auto& v: f1) d1.push_back(hdist0(normalize(v)));
vector<hyperpoint> cf2(3);
for(int i=0; i<3; i++)
cf2[i] = f2[which[i]];
transmatrix F2, F1;
for(int i=0; i<3; i++) set_column(F2, i, cf2[i]);
for(int i=0; i<3; i++) set_column(F1, i, f1[i]);
auto dtang = [] (vector<hyperpoint> v) {
if(euclid) return (v[1] - v[0]) ^ (v[2] - v[0]);
transmatrix T = gpushxto0(normalize(v[0]));
hyperpoint h = iso_inverse(T) * ((T*v[1]) ^ (T*v[2]));
return h;
};
set_column(F2, 3, dtang(cf2));
set_column(F1, 3, dtang(f1));
transmatrix T = F1 * inverse(F2);
return T;
}
transmatrix S1, S2;
ld dist;
bool impure = reg3::in() && !PURE;
@ -450,6 +486,17 @@ EX void generate() {
reg3::compute_ultra();
reg3::generate_subcells();
if(variation == eVariation::coxeter) {
for(int i=0; i<isize(cgi.subshapes); i++) {
auto& s = cgi.subshapes[i];
s.faces_local = ucgi.subshapes[i].faces_local;
for(auto &face: s.faces_local) for(auto& v: face) {
v = kleinize(v);
for(int i=0; i<3; i++) v[i] *= scale;
}
reg3::make_vertices_only(s.vertices_only, s.faces_local);
}
}
#endif
}