mirrors/hyperrogue
1
0
Fork 0
mirror of https://github.com/zenorogue/hyperrogue.git synced 2025-10-30 05:23:00 +00:00
Code Issues Releases Wiki Activity

Archimedean precise analyzer

Browse Source
This commit is contained in:
Zeno Rogue
2019-08-27 18:59:26 +02:00
parent 142566a5bd
commit f6f37b1e45
3 changed files with 39 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
archimedean.cpp
View File

@@ -73,6 +73,8 @@ struct archimedean_tiling {
geometryinfo1& get_geometry();
eGeometryClass get_class() { return get_geometry().kind; }
bool get_step_values(int& steps, int& single_step);
ld scale();
};
#endif
@@ -1232,6 +1234,10 @@ EX void show() {
}
else dialog::addBreak(100);
int s, ss;
bool b = current.get_step_values(s, ss);
println(hlog, "b=", b, " s=", s, " ss=",ss);
if(archimedean) {
dialog::addSelItem(XLAT("variations"), gp::operation_name(), 'v');
dialog::add_action(next_variation);
@@ -1301,6 +1307,26 @@ EX bool is_vertex(heptagon *h) {
return id_of(h) >= 2 * current.N;
}
bool archimedean_tiling::get_step_values(int& steps, int& single_step) {
int nom = -2;
int denom = 1;
for(int f: arcm::current.faces) {
if(int(denom*f)/f != denom) { steps = 0; single_step = 0; return false; }
nom = nom * f + (f-2) * denom;
denom = denom * f;
int g = gcd(nom, denom);
nom /= g;
denom /= g;
}
steps = 2 * abs(denom);
single_step = abs(nom);
if(steps/2 != abs(denom)) return false;
return (2 * denom) % nom == 0;
}
EX int valence() {
if(PURE) return arcm::current.N;
if(BITRUNCATED) return 3;

12
geom-exp.cpp
View File

@@ -444,7 +444,17 @@ void ge_select_tiling(const vector<eGeometry>& lst) {
if(archimedean) ok = PURE;
else if(binarytiling || penrose) ok = false;
else ok = PURE || BITRUNCATED;
if(!ok) addMessage(XLAT("Only works with (semi-)regular tilings"));
if(!ok) {
addMessage(XLAT("Only works with (semi-)regular tilings"));
return;
}
if(archimedean) {
int steps, single_step;
if(!arcm::current.get_step_values(steps, single_step)) {
addMessage(XLAT("That would have %1/%2 levels", its(steps), its(single_step)));
return;
}
}
}
set_geometry(targetgeometry);
start_game();

8
geometry.cpp
View File

@@ -576,12 +576,8 @@ void geometry_information::prepare_basics() {
steps = 0;
single_step = 1;
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/abs(s) + .5;
}
if(hybrid::underlying == gArchimedean)
arcm::current.get_step_values(steps, single_step);
else {
single_step = S3 * S7 - 2 * S7 - 2 * S3;
steps = 2 * S7;