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arbi:: sublines optionally accepts epsilon, and also fixed a bug with int instead of ld

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This commit is contained in:
Zeno Rogue 2020-01-02 16:40:30 +01:00
parent 7d66ad3d6f
commit c168cf295b
1 changed files with 8 additions and 3 deletions
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11
arbitrile.cpp
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@ -218,15 +218,20 @@ void load(const string& fname) {
c.shapes[ai].sublines.emplace_back(as, bs);
}
else if(ep.eat("sublines(")) {
int d = ep.rparse(); ep.force_eat(")");
ld d = ep.rparse() * distunit;
ld eps = 1e-4;
if(ep.eat(",")) eps = ep.rparse() * distunit;
ep.force_eat(")");
for(auto& sh: c.shapes) {
for(int i=0; i<isize(sh.vertices); i++)
for(int j=0; j<isize(sh.vertices); j++)
if(j != i+1 && i != j+1 && !(i==0 && j == isize(sh.vertices)-1) && !(j==0 && i == isize(sh.vertices)-1))
if(abs(hdist(sh.vertices[i], sh.vertices[j]) - distunit * d) < 1e-6) {
if(j != i+1 && i != j+1 && !(i==0 && j == isize(sh.vertices)-1) && !(j==0 && i == isize(sh.vertices)-1) && i != j) {
ld dist = hdist(sh.vertices[i], sh.vertices[j]);
if(abs(dist - d) < eps) {
sh.sublines.emplace_back(i, j);
println(hlog, "add subline ", i, "-", j);
}
}
}
}
else throw hr_parse_exception("expecting command");