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fixed graphics

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Zeno Rogue
2018-04-04 01:19:21 +02:00
parent 9547fe6bd6
commit 8381dd937c
4 changed files with 79 additions and 63 deletions
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48
hyperpoint.cpp
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@@ -169,38 +169,33 @@ ld hypot_auto(ld x, ld y) {
}
}
// get the center of the line segment from H1 to H2
hyperpoint mid(const hyperpoint& H1, const hyperpoint& H2) {
hyperpoint H3;
H3[0] = H1[0] + H2[0];
H3[1] = H1[1] + H2[1];
H3[2] = H1[2] + H2[2];
ld Z = 2;
if(sphere) Z = sqrt(intval(H3, Hypc));
// move H back to the sphere/hyperboloid/plane
hyperpoint normalize(hyperpoint H) {
ld Z;
if(sphere) Z = sqrt(intval(H, Hypc));
else if(!euclid) {
Z = intval(H3, Hypc);
Z = intval(H, Hypc);
Z = sqrt(-Z);
}
for(int c=0; c<3; c++) H3[c] /= Z;
return H3;
else Z = H[2];
for(int c=0; c<3; c++) H[c] /= Z;
return H;
}
// get the center of the line segment from H1 to H2
hyperpoint mid(const hyperpoint& H1, const hyperpoint& H2) {
using namespace hyperpoint_vec;
return normalize(H1 + H2);
}
// like mid, but take 3D into account
hyperpoint midz(const hyperpoint& H1, const hyperpoint& H2) {
hyperpoint H3;
H3[0] = H1[0] + H2[0];
H3[1] = H1[1] + H2[1];
H3[2] = H1[2] + H2[2];
using namespace hyperpoint_vec;
hyperpoint H3 = H1 + H2;
ld Z = 2;
if(sphere || !euclid) Z = zlevel(H3) * 2 / (zlevel(H1) + zlevel(H2));
if(!euclid) Z = zlevel(H3) * 2 / (zlevel(H1) + zlevel(H2));
for(int c=0; c<3; c++) H3[c] /= Z;
return H3;
@@ -327,6 +322,15 @@ void set_column(transmatrix& T, int i, const hyperpoint& H) {
T[j][i] = H[j];
}
transmatrix build_matrix(hyperpoint h1, hyperpoint h2, hyperpoint h3) {
transmatrix T;
for(int i=0; i<3; i++)
T[i][0] = h1[i],
T[i][1] = h2[i],
T[i][2] = h3[i];
return T;
}
// reverse of spintox(H)
transmatrix rspintox(const hyperpoint& H) {
transmatrix T = Id;