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cleaned up invis_point -> point_behind and invalid_point(transmatrix), also implemented for Solv

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Zeno Rogue
2019-07-31 16:14:01 +02:00
parent 4a8ec3b3c4
commit 44b9968ff8
4 changed files with 38 additions and 39 deletions
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21
hypgraph.cpp
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@@ -879,8 +879,11 @@ transmatrix actualV(const heptspin& hs, const transmatrix& V) {
return (hs.spin || !BITRUNCATED) ? V * spin(hs.spin*2*M_PI/S7 + master_to_c7_angle()) : V;
}
bool invis_point(const hyperpoint h) {
if(DIM == 2 || sphere || pmodel != mdPerspective) return false;
bool point_behind(hyperpoint h) {
if(sphere) return false;
if(!in_perspective()) return false;
if(pmodel == mdSolPerspective) h = solv::inverse_exp(h, true);
if(solv::local_perspective_used()) h = solv::local_perspective * h;
return h[2] < 0;
}
@@ -900,17 +903,13 @@ bool invalid_point(const hyperpoint h) {
return std::isnan(h[DIM]) || h[DIM] > 1e8 || std::isinf(h[DIM]);
}
bool invalid_point(const transmatrix T) {
return std::isnan(T[DIM][DIM]) || T[DIM][DIM] > 1e8 || std::isinf(T[DIM][DIM]);
}
bool in_smart_range(const transmatrix& T) {
if(invalid_point(T)) return false;
if(pmodel == mdSolPerspective) return solv::in_table_range(tC0(T));
hyperpoint h = tC0(T);
if(invalid_point(h)) return false;
if(pmodel == mdSolPerspective) return solv::in_table_range(h);
hyperpoint h1;
applymodel(tC0(T), h1);
for(int i=0; i<DIM; i++)
if(std::isnan(h1[i]) || std::isinf(h1[i])) return false;
applymodel(h, h1);
if(invalid_point(h1)) return false;
ld x = current_display->xcenter + current_display->radius * h1[0];
ld y = current_display->ycenter + current_display->radius * h1[1] * vid.stretch;