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fixed shift_object in embedded

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Zeno Rogue 2022-12-17 17:58:55 +01:00
parent 2e0b3c5811
commit d5e5e65745
1 changed files with 25 additions and 1 deletions
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26
hyperpoint.cpp
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@ -1656,6 +1656,7 @@ EX bool use_embedded_shift(eShiftMethodApplication sma) {
EX eShiftMethod shift_method(eShiftMethodApplication sma) {
if(gproduct) return smProduct;
if(embedded_plane && sma == smaObject) return geom3::same_in_same() ? smIsometric : smEmbedded;
if(embedded_plane && use_embedded_shift(sma)) return nonisotropic ? smLie : smEmbedded;
if(!nonisotropic && !stretch::in()) return smIsometric;
if(!nisot::geodesic_movement && !embedded_plane) return smLie;
@ -1676,8 +1677,31 @@ EX transmatrix shift_object(const transmatrix Position, const transmatrix& ori,
return Position * rgpushxto0(direct_exp(direction));
}
case smEmbedded: {
throw hr_exception("not implemented");
if(geom3::euc_in_hyp() || geom3::sph_in_low()) {
geom3::light_flip(true);
transmatrix T = rgpushxto0(direct_exp(direction));
geom3::light_flip(false);
swapmatrix(T);
return Position * T;
}
transmatrix rot = inverse(map_relative_push(Position * C0)) * Position;
transmatrix urot = unswap_spin(rot);
if(!eqmatrix( cspin(0, 1, 30*degree) , unswap_spin(spin(30*degree)) )) {
println(hlog, cspin(0, 1, 30*degree));
println(hlog, unswap_spin(spin(30*degree)));
throw hr_exception("unswap_spin not working correctly");
}
geom3::light_flip(true);
transmatrix T = rgpushxto0(direct_exp(urot * direction));
geom3::light_flip(false);
swapmatrix(T);
return Position * inverse(rot) * T * rot;
}
default: throw hr_exception("unknown shift method in shift_object");
}
}