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3d:: horohex geometry

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Zeno Rogue
2019-03-13 13:12:49 +01:00
parent 67ba896be9
commit cb9513dd0d
8 changed files with 123 additions and 16 deletions
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29
polygons.cpp
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@@ -2448,7 +2448,7 @@ void create_wall3d() {
if(geometry == gHoroRec) {
ld r2 = sqrt(2);
ld z = hororec_scale;
ld z = binary::hororec_scale;
hyperpoint a00 = point3(-r2*z,-2*z,-.5);
hyperpoint a01 = point3(+r2*z,-2*z,-.5);
@@ -2468,6 +2468,33 @@ void create_wall3d() {
make_wall(6, make4(a00+down, a01+down, a20+down));
}
if(geometry == gHoroHex) {
ld z = log(3) / log(2) / 2;
ld r3 = sqrt(3) / 2 * binary::horohex_scale;
ld h = binary::horohex_scale / 2;
hyperpoint down = point3(0,0,2*z);
for(int i=0; i<3; i++) {
transmatrix T = cspin(0, 1, 2*M_PI*i/3);
hyperpoint hcenter = point3(0,0,-z);
hyperpoint hu0 = T*point3(+h, +r3,-z);
hyperpoint hu1 = T*point3(+h*3,+r3,-z);
hyperpoint hd0 = T*point3(+h, -r3,-z);
hyperpoint hd1 = T*point3(+h*3,-r3,-z);
hyperpoint hcn = T*point3(-h*2,0, -z);
hyperpoint hun = T*point3(-h*3,+r3,-z);
hyperpoint hdn = T*point3(-h*3,-r3,-z);
make_wall(i, {hcenter, hu0, hu1, hd1, hd0});
make_wall(i+3, {hcn, hun, hdn});
make_wall(i+6, make4(hd1, hu1, hd1+down));
make_wall(i+9, make4(hun, hdn, hun+down));
}
make_wall(12, {point3(3*h,r3,z), point3(0,2*r3,z), point3(-3*h,r3,z)});
make_wall(13, {point3(3*h,r3,z), point3(3*h,-r3,z), point3(0,-2*r3,z), point3(-3*h,-r3,z), point3(-3*h,r3,z)}, true);
}
if(DIM == 3 && euclid && S7 == 6) {
for(int w=0; w<6; w++) {
vector<hyperpoint> vertices;