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Sculpt: Simplify sphere mesh filter code

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Function itself is 25% faster since no more need for a branch/matrix
/addition vector math. Meaning of the code is the same.

Pull Request: https://projects.blender.org/blender/blender/pulls/131556
This commit is contained in:
Iliya Katueshenock
2024-12-09 18:14:57 +01:00
committed by Hans Goudey
parent b17a31a9e3
commit aba0174b48
1 changed files with 2 additions and 9 deletions
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11
source/blender/editors/sculpt_paint/sculpt_filter_mesh.cc
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@@ -714,15 +714,8 @@ BLI_NOINLINE static void calc_sphere_translations(const Span<float3> positions,
const MutableSpan<float3> translations)
{
for (const int i : positions.index_range()) {
float3x3 transform = float3x3::identity();
if (factors[i] > 0.0f) {
scale_m3_fl(transform.ptr(), 1.0f - factors[i]);
}
else {
scale_m3_fl(transform.ptr(), 1.0f + factors[i]);
}
translations[i] = math::midpoint(math::normalize(positions[i]) * math::abs(factors[i]),
transform * positions[i] - positions[i]);
translations[i] = math::midpoint(math::normalize(positions[i]), -positions[i]) *
math::abs(factors[i]);
}
}