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Fix: Geometry Nodes: Breaks of rotation value in Sample UV node #122741

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Iliya Katushenock wants to merge 3 commits from mod_moder/blender:rot_mix3 into main
pull from: mod_moder/blender:rot_mix3
merge into: blender:main

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Conversation 2 Commits 3 Files Changed 1 +4 -2
1 changed files with 4 additions and 2 deletions
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6
source/blender/blenkernel/intern/attribute_math.cc
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@ -22,8 +22,10 @@ math::Quaternion mix3(const float3 &weights,
const math::Quaternion &v1,
const math::Quaternion &v2)
{
const float3 expmap_mixed = mix3(weights, v0.expmap(), v1.expmap(), v2.expmap());
return math::Quaternion::expmap(expmap_mixed);
const float v0_v1_weight = math::safe_divide(weights[0], weights[0] + weights[1]);
const float v0_v2_weight = math::safe_divide(weights[0], weights[0] + weights[2]);
const float v1_v2_weight = math::safe_divide(weights[1], weights[1] + weights[2]);
return mix2(v1_v2_weight, mix2(v0_v1_weight, v0, v1), mix2(v0_v2_weight, v0, v2));
}
template<>