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3D:: fixed sphere to determine the current cell correctly
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32
sphere.cpp
32
sphere.cpp
@ -174,6 +174,8 @@ array<hyperpoint, 60> dodefaces;
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hyperpoint zero4;
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int root;
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ld norm(hyperpoint a, hyperpoint b) {
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ld res = 0;
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for(int i=0; i<4; i++) res += pow(a[i]-b[i], 2);
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@ -182,6 +184,7 @@ ld norm(hyperpoint a, hyperpoint b) {
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void gen600() {
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vertices120.clear();
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root = 23;
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/// coordinates taken from Wikipedia
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@ -264,10 +267,13 @@ void gen600() {
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for(int i=0; i<120; i++)
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for(int z=0; z<4; z++) set_column(vmatrix120[i], z, vertices120[js[i][z]]);
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for(int i=0; i<120; i++) println(hlog, i, ": ", js[i], " -> ", vmatrix120[i]);
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for(int i=0; i<120; i++) {
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println(hlog, i, ": ", js[i], " -> ", vmatrix120[i]);
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println(hlog, vmatrix120[i] * hyperpoint(1,0,0,0), " should be ", vertices120[i]);
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}
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adj0.clear();
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for(int i=0; i<120; i++) if(inedge[0][i]) adj0.push_back(i);
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for(int i=0; i<120; i++) if(inedge[root][i]) adj0.push_back(i);
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using namespace hyperpoint_vec;
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@ -283,7 +289,7 @@ void gen600() {
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int at = pentagon[0];
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for(int d=0; d<5; d++) {
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for(int s: pentagon) if(inedge[at][s] && s != illegal) {
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hyperpoint m = vertices120[0] + vertices120[ot] + vertices120[at] + vertices120[s];
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hyperpoint m = vertices120[root] + vertices120[ot] + vertices120[at] + vertices120[s];
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m = mid(m, m);
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println(hlog, id, ": ", m);
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dodefaces[id++] = m;
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@ -319,10 +325,10 @@ struct hrmap_spherical3 : hrmap {
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for(int i=0; i<120; i++) {
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for(int k=0; k<12; k++) {
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hyperpoint which = vmatrix120[i] * inverse(vmatrix120[0]) * vertices120[adj0[k]];
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hyperpoint which = vmatrix120[i] * inverse(vmatrix120[root]) * vertices120[adj0[k]];
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for(int s=0; s<120; s++) if(hdist(which, vertices120[s]) < 1e-6) {
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cells[i]->move(k) = cells[s];
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println(hlog, i,".",k, " -> ", s, " ; ", js[i]);
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println(hlog, i,".",k, " -> ", s, " ; ", js[i], " distance = ", hdist(vertices120[i], vertices120[s]));
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}
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}
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}
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@ -334,24 +340,28 @@ struct hrmap_spherical3 : hrmap {
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cells[i]->c.setspin(k, l, false);
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}
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heptagon *getOrigin() { return cells[0]; }
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heptagon *getOrigin() { return cells[root]; }
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~hrmap_spherical3() {
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for(int i=0; i<120; i++) tailored_delete(cells[i]);
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}
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};
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transmatrix gmatr(heptagon *h) {
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return vmatrix120[h->zebraval] * inverse(vmatrix120[root]);
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}
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transmatrix relative_matrix(heptagon *h2, heptagon *h1) {
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return inverse(gmatr(h1)) * gmatr(h2);
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}
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void draw() {
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auto m = (hrmap_spherical3*) currentmap;
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int old = viewctr.at->zebraval;
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for(int i=0; i<120; i++)
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drawcell(m->cells[i]->c7, View * vmatrix120[0] * inverse(vmatrix120[old]) * vmatrix120[i] * inverse(vmatrix120[0]), 0, false);
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}
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transmatrix relative_matrix(heptagon *h2, heptagon *h1) {
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return vmatrix120[0] * inverse(vmatrix120[h1->zebraval]) * vmatrix120[h2->zebraval] * inverse(vmatrix120[0]);
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drawcell(m->cells[i]->c7, View * relative_matrix(m->cells[i], viewctr.at), 0, false);
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}
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void makewax(int x) {
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