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randomized Camelot in honeycombs

This commit is contained in:
Zeno Rogue 2020-01-28 19:45:46 +01:00
parent 37ff798ee4
commit da2bcb1694
1 changed files with 12 additions and 0 deletions
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12
bigstuff.cpp
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@ -194,6 +194,12 @@ void hrmap::generateAlts(heptagon *h, int levs, bool link_cdata) {
}
}
EX int hrandom_adjacent(int d) {
vector<int> choices = {d};
for(int a=0; a<S7; a++) if(reg3::dirs_adjacent[d][a]) choices.push_back(a);
return hrand_elt(choices, d);
}
EX heptagon *createAlternateMap(cell *c, int rad, hstate firststate, int special IS(0)) {
if(hybri) {
@ -232,6 +238,8 @@ EX heptagon *createAlternateMap(cell *c, int rad, hstate firststate, int special
return NULL;
}
// if we always go to the opposite tile on a {even,x} tiling,
// it will be too easy
int flip = 0;
if(WDIM == 2 && S7 % 2 == 0) flip = hrand(2) ? 1 : -1;
@ -242,6 +250,10 @@ EX heptagon *createAlternateMap(cell *c, int rad, hstate firststate, int special
cx[i] = bf.at;
bf += revstep;
if(flip && hrand(2) == 0) { bf += flip; flip *= -1; }
// in 3D honeycombs we vary the direction, but never for three successive i's
if(WDIM == 3 && firststate == hsOrigin && (i%3))
bf.spin = hrandom_adjacent(bf.spin);
}
cx[rad] = bf.at;
heptagon *h = bf.at->master;