Tight shadow culling - increase epsilon to prevent flickering

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

View file

@ -181,14 +181,14 @@ private:
}
// Prevent divide by zero.
if (lc > 0.00001f) {
if (lc > 0.001f) {
// If the summed length of the smaller two
// sides is close to the length of the longest side,
// the points are colinear, and the triangle is near degenerate.
float ld = ((la + lb) - lc) / lc;
// ld will be close to zero for colinear tris.
return ld < 0.00001f;
return ld < 0.001f;
}
// Don't create planes from tiny triangles,