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author | clayjohn <claynjohn@gmail.com> | 2023-02-13 19:24:14 -0800 |
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committer | clayjohn <claynjohn@gmail.com> | 2023-02-13 19:24:14 -0800 |
commit | 5a800e68f1699c278078ff96100b0c0ea9a1780e (patch) | |
tree | 484fc9e0920e3f94cd975019cd9e393b9c0d0323 /core/math | |
parent | 4a2c2170b40b4e5562c9ad0f1e0ed84c6bf5c7b7 (diff) |
Bias octahedral tangent y axis to avoid errors around 0
Diffstat (limited to 'core/math')
-rw-r--r-- | core/math/vector3.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/core/math/vector3.cpp b/core/math/vector3.cpp index d732f1e8b2..ae009fc4ef 100644 --- a/core/math/vector3.cpp +++ b/core/math/vector3.cpp @@ -108,7 +108,9 @@ Vector3 Vector3::octahedron_decode(const Vector2 &p_oct) { } Vector2 Vector3::octahedron_tangent_encode(const float sign) const { + const float bias = 1.0f / 32767.0f; Vector2 res = this->octahedron_encode(); + res.y = MAX(res.y, bias); res.y = res.y * 0.5f + 0.5f; res.y = sign >= 0.0f ? res.y : 1 - res.y; return res; |