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embeddings:: fixed vertical_vector

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Zeno Rogue 2023-02-03 16:11:13 +01:00
parent 5e0d05f10b
commit 6950e0e1ba
1 changed files with 6 additions and 19 deletions
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25
hypgraph.cpp
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@ -1896,30 +1896,17 @@ EX bool keep_vertical() {
EX hyperpoint vertical_vector() { EX hyperpoint vertical_vector() {
auto& ds = downseek; auto& ds = downseek;
if(msphere && !sphere && !gproduct && vid.fixed_yz) { if(embedded_plane && vid.fixed_yz) {
hyperpoint h = get_view_orientation() * C0;
if(vid.wall_height > 0) h = -h;
return h;
}
if(meuclid && hyperbolic && vid.fixed_yz) {
hyperpoint h = iso_inverse(View) * C0;
return View * (orthogonal_move(h, vid.wall_height) - h);
}
if(gproduct && vid.fixed_yz) {
return get_view_orientation() * lztangent(embedded_plane ? vid.wall_height : 1);
}
if(cgi.emb->is_same_in_same())
return get_view_orientation() * lztangent(vid.wall_height);
if(cgi.emb->is_euc_in_sl2() || cgi.emb->is_euc_in_sph()) {
transmatrix Rot = View * cgi.emb->map_relative_push(inverse(View) * C0); transmatrix Rot = View * cgi.emb->map_relative_push(inverse(View) * C0);
if(gproduct) Rot = NLP * Rot;
return Rot * lztangent(vid.wall_height); return Rot * lztangent(vid.wall_height);
} }
if(embedded_plane && vid.fixed_yz && nonisotropic) { if(gproduct && vid.fixed_yz) {
return NLP * lztangent(vid.wall_height); return get_view_orientation() * lztangent(1);
} }
else if(ds.qty && gproduct) if(ds.qty && gproduct)
return get_view_orientation() * product::inverse_exp(ds.point); return get_view_orientation() * product::inverse_exp(ds.point);
else if(ds.qty) if(ds.qty)
return ds.point; return ds.point;
return C0; return C0;
} }