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auto-configure S2xR embedding for Euclidean cylinder

This commit is contained in:
Zeno Rogue 2023-01-07 23:28:02 +01:00
parent 351ef88df7
commit 5c1ab36b16
1 changed files with 13 additions and 0 deletions
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13
geometry.cpp
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@ -1447,6 +1447,7 @@ EX void switch_always3() {
}
}
if(spatial_embedding == seCliffordTorus) configure_clifford_torus();
if(spatial_embedding == seProductS) configure_product_cylinder();
}
else {
vid.always3 = false;
@ -1489,6 +1490,18 @@ EX void switch_always3() {
vid.eye = vid.wall_height / 2 - vid.depth;
}
EX void configure_product_cylinder() {
rug::clifford_torus ct;
hyperpoint vec;
if(sqhypot_d(2, ct.yh) < 1e-6) vec = ct.yh;
else if(sqhypot_d(2, ct.xh) < 1e-6) vec = ct.xh;
else vec = hyperpoint(10, 0, 0, 0);
euclid_embed_scale = TAU / hypot_d(2, vec);
euclid_embed_scale_y = 1;
euclid_embed_rotate = atan2(vec[1], vec[0]) / degree;
}
EX }
EX geometry_information *cgip;