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reg3:: new variation, bch_oct

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Zeno Rogue
2021-07-13 15:12:03 +02:00
parent 81ea3d75f5
commit 5c21b64060
6 changed files with 56 additions and 4 deletions
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47
reg3.cpp
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@@ -621,6 +621,49 @@ EX namespace reg3 {
}
}
EX void generate_bch_oct() {
if(S7 != 6) throw hr_exception("generate_bch_oct but no cubes");
const int sub = subcube_count;
if(1) {
auto vx = abs(cgi.heptshape->faces[0][0][0]);
auto vz = abs(cgi.heptshape->faces[0][0][3]);
array<int, 3> co;
// vx = 1; vz = 0;
for(co[0]=-sub; co[0]<sub; co[0]++)
for(co[1]=-sub; co[1]<sub; co[1]++)
for(co[2]=-sub; co[2]<sub; co[2]++) {
auto co1 = co;
array<ld, 3> sgn = {1,1,1};
if((co[1] ^ co[0]) & 1) co1[1]++, sgn[1] = -1;
if((co[2] ^ co[0]) & 1) co1[2]++, sgn[2] = -1;
hyperpoint ctr = Hypc;
ctr[3] = vz * sub;
auto pt = [&] (int m, ld x0, ld x1, ld x2) {
hyperpoint res = ctr;
auto x = make_array(x0, x1, x2);
for(int i=0; i<3; i++)
res[i] = vx * (co1[i] + x[(m+i)%3] * sgn[i]);
return res;
};
for(int it=0; it<2; it++) {
cgi.subshapes.emplace_back();
auto &ss = cgi.subshapes.back();
for(int m=0; m<3; m++) {
ss.faces.push_back({pt(m,0,0,0), pt(m,1,0,0), pt(m,1,0,.5), pt(m,.5,0,1), pt(m,0,0,1)});
ss.faces.push_back({pt(m,1,0,0), pt(m,1,0,.5), pt(m,1,.5,0) });
}
ss.faces.push_back({pt(0,1,0,.5), pt(0,1,.5,0), pt(0,.5,1,0), pt(0,0,1,.5), pt(0,0,.5,1), pt(0,.5,0,1)});
for(int d=0; d<3; d++)
co1[d] += sgn[d], sgn[d] *= -1;
println(hlog, ss.faces);
}
}
}
}
EX void generate_subcells() {
switch(variation) {
@@ -636,6 +679,10 @@ EX namespace reg3 {
generate_special_subcubes(true);
break;
case eVariation::bch_oct:
generate_bch_oct();
break;
case eVariation::coxeter:
generate_coxeter(coxeter_param);
break;