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twisted E2xR now reacts to nilwidth

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Zeno Rogue
2024-06-18 10:46:19 +02:00
parent d49e2e3992
commit ea7b665fd5
2 changed files with 20 additions and 7 deletions
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19
nonisotropic.cpp
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@@ -1328,8 +1328,8 @@ EX namespace hybrid {
transmatrix lT = twist::lift_matrix(uT);
transmatrix lU = twist::lift_matrix(uU);
transmatrix lT1 = twist::lift_matrix(uT1);
if(!orig_height.count(cw0.at)) orig_height[cw0.at] = (lT*C0) [2];
ld diff = (lT * lU * iso_inverse(lT1) * C0)[2] - orig_height[cw0.at];
if(!orig_height.count(cw0.at)) orig_height[cw0.at] = (lT*C0) [2] / nilv::nilwidth / nilv::nilwidth;
ld diff = (lT * lU * iso_inverse(lT1) * C0)[2] / nilv::nilwidth / nilv::nilwidth - orig_height[cw0.at];
if(!orig_height.count(cw0.peek())) orig_height[cw0.peek()] = -diff;
diff += orig_height[cw0.peek()];
if(abs(frac(diff / cgi.plevel + 0.5) - 0.5) > 1e-6) throw hr_exception("not an integer in get_shift");
@@ -2352,19 +2352,19 @@ EX namespace twist {
#if MAXMDIM >= 4
EX transmatrix uxpush(ld x) {
if(sl2) return xpush(x);
if(nil) return xpush(x*2);
if(nil) return xpush(x*2*nilv::nilwidth);
return cspin(1, 3, x) * cspin(0, 2, x);
}
EX transmatrix uypush(ld y) {
if(sl2) return ypush(y);
if(nil) return ypush(y*2);
if(nil) return ypush(y*2*nilv::nilwidth);
return cspin(0, 3, -y) * cspin(1, 2, y);
}
EX transmatrix uzpush(ld z) {
if(sl2) return zpush(z);
if(nil) return zpush(z) * spin(-2*z);
if(nil) return zpush(z*nilv::nilwidth*nilv::nilwidth) * spin(-2*z);
return cspin(3, 2, -z) * cspin(0, 1, -z);
}
@@ -2447,6 +2447,15 @@ EX namespace twist {
}
};
EX void clear_twisted_matrices() {
saved_matrices_ray.clear();
for(auto& m: allmaps) {
auto m1 = dynamic_cast<hrmap_twisted*> (m);
if(m1) m1->saved_matrices.clear();
}
}
/** reinterpret the given point of rotspace as a rotation matrix in the underlying geometry (note: this is the inverse)
* note: you should already be in underlying geometry */
EX transmatrix qtm(hyperpoint h) {