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Tight shadow culling - increase epsilon to prevent flickering

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Near colinear triangles were still causing inaccuracy in culling planes, so the threshold for colinearity is bumped up.
This commit is contained in:
lawnjelly 2024-05-18 14:14:27 +01:00
parent bd2300d77a
commit 512b0f16a3
1 changed files with 2 additions and 2 deletions
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servers/rendering/rendering_light_culler.h
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@ -181,14 +181,14 @@ private:
} }
// Prevent divide by zero. // Prevent divide by zero.
if (lc > 0.00001f) { if (lc > 0.001f) {
// If the summed length of the smaller two // If the summed length of the smaller two
// sides is close to the length of the longest side, // sides is close to the length of the longest side,
// the points are colinear, and the triangle is near degenerate. // the points are colinear, and the triangle is near degenerate.
float ld = ((la + lb) - lc) / lc; float ld = ((la + lb) - lc) / lc;
// ld will be close to zero for colinear tris. // ld will be close to zero for colinear tris.
return ld < 0.00001f; return ld < 0.001f;
} }
// Don't create planes from tiny triangles, // Don't create planes from tiny triangles,