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fixed shift_view in product

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This commit is contained in:
Zeno Rogue 2019-08-26 08:49:15 +02:00
parent ce46243b55
commit a6951d1dbb
1 changed files with 6 additions and 16 deletions
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22
hypgraph.cpp
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@ -1362,14 +1362,6 @@ EX void centerpc(ld aspd) {
else {
aspd *= (1+R+(shmup::on?1:0));
if(prod) {
auto d = product_decompose(H);
ld dist = -d.first / R * aspd;
if(abs(dist) > abs(d.first)) dist = -d.first;
View = mscale(View, dist);
aspd *= sqrt(R*R - d.first * d.first) / R;
}
if(R < aspd)
shift_view_to(H);
else
@ -2084,12 +2076,8 @@ EX void rotate_view(transmatrix T) {
/** shift the view according to the given tangent vector */
EX transmatrix get_shift_view_of(const hyperpoint H, const transmatrix V) {
if(prod) {
hyperpoint h = product::direct_exp(inverse(nisot::local_perspective) * H);
return rgpushxto0(h) * V;
}
else if(!nonisotropic) {
return rgpushxto0(direct_exp(H, 100)) * V;
if(!nonisotropic) {
return rgpushxto0(direct_exp(lp_iapply(H), 100)) * V;
}
else if(!nisot::geodesic_movement) {
transmatrix IV = inverse(V);
@ -2115,9 +2103,11 @@ EX void shift_view_to(hyperpoint H) {
EX void shift_view_towards(hyperpoint H, ld l) {
if(!nonisotropic && !prod)
View = rspintox(H) * xpush(-l) * spintox(H) * View;
else if(nonisotropic && !nisot::geodesic_movement)
shift_view(tangent_length(H-C0, -l));
else {
hyperpoint ie = nisot::geodesic_movement ? inverse_exp(H, iTable, false) : H-C0;
shift_view(tangent_length(ie, -l));
hyperpoint ie = inverse_exp(H, iTable, true);
shift_view(tangent_length(lp_apply(ie), -l));
}
}