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ads-game:: improvements to dS

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This commit is contained in:
Zeno Rogue 2022-10-16 09:37:21 +02:00
parent 122ea6dfb4
commit 0c38c4ad68
1 changed files with 2 additions and 2 deletions
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rogueviz/ads/ds-game.cpp
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@ -421,6 +421,7 @@ cross_result ds_cross0_cone(const transmatrix& T, ld which) {
// solution: t = log((1 +- sqrt(-a^2 + b^2 + 1))/(a + b))
ld underroot = (1+b*b-a*a);
if(underroot < 1e-10) underroot = 0;
if(underroot < 0) return cross_result { Hypc, 0};
ld underlog = (1 + which * sqrt(underroot)) / (a + b);
@ -434,9 +435,8 @@ cross_result ds_cross0_cone(const transmatrix& T, ld which) {
if(abs(res.h[2] - 1) > .01) return cross_result{Hypc, 0};
res.h[2] -= res.h[3];
res.h[3] = 0;
res.h /= hypot_d(3, res.h);
res.h[3] = 0;
// res.h[2] = sqrt(1 - res.h[3] * res.h[3]); res.h[3] = 0;