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order-2 tesselations work

This commit is contained in:
Zeno Rogue 2018-08-20 19:41:08 +02:00
parent 1baea22d72
commit e6bdba1441
1 changed files with 10 additions and 2 deletions
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12
archimedean.cpp
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@ -107,7 +107,7 @@ void archimedean_tiling::prepare() {
errors++;
return;
}
if(isize(faces) < 3) {
if(isize(faces) < 2) {
errormsg = XLAT("not enough faces");
errors++;
return;
@ -259,7 +259,15 @@ void archimedean_tiling::compute_geometry() {
circumradius.resize(N);
alphas.resize(N);
ld elmin = 0, elmax = hyperbolic ? 10 : sphere ? M_PI : 1;
for(int p=0; p<100; p++) {
if(N == 2) {
/* standard methods fail, but the answer is easy */
edgelength = 2 * M_PI / faces[0];
for(int i=0; i<2; i++)
alphas[i] = M_PI/2,
circumradius[i] = inradius[i] = M_PI/2;
}
else for(int p=0; p<100; p++) {
edgelength = (elmin + elmax) / 2;
ld alpha_total = 0;