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Code Issues Releases Wiki Activity

generalized PSL2 to spherical rotation spaces too

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Zeno Rogue
2019-09-12 22:50:15 +02:00
parent 2bedd5f2ce
commit c33c79a902
3 changed files with 60 additions and 23 deletions
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geometry.cpp
+4 -3
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@@ -461,7 +461,7 @@ void geometry_information::prepare_basics() {
if(hybri) {
auto t = this;
ld d = sl2 ? 2 : 1;
ld d = prod ? 1 : 2;
hybrid::in_underlying_geometry([&] {
t->rhexf = cgi.rhexf / d;
t->hexf = cgi.hexf / d;
@@ -575,17 +575,18 @@ void geometry_information::prepare_basics() {
plevel = vid.plevel_factor * scalefactor;
steps = 0;
single_step = 1;
if(sl2) {
if(hybri && !prod) {
if(hybrid::underlying == gArchimedean) {
ld s = arcm::current.euclidean_angle_sum - 2;
single_step = 2;
DEBB(DF_GEOM | DF_POLY, ("1/s = ", 1/s));
steps = 4/s + .5;
steps = 4/abs(s) + .5;
}
else {
single_step = S3 * S7 - 2 * S7 - 2 * S3;
steps = 2 * S7;
if(BITRUNCATED) steps *= S3;
if(single_step < 0) single_step = -single_step;
}
DEBB(DF_GEOM | DF_POLY, ("steps = ", steps, " / ", single_step));
plevel = M_PI * single_step / steps;