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FBX2glTF
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Minor normal/tangent cleanup.

This commit is contained in:
Par Winzell 2017-11-07 13:59:13 -08:00
parent 3eeebf4599
commit 145f0d84a1
1 changed files with 4 additions and 6 deletions
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10
src/Fbx2Raw.cpp
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@ -784,16 +784,14 @@ static void ReadMesh(RawModel &raw, FbxScene *pScene, FbxNode *pNode, const std:
const FbxVector4 &shapePosition = transform.MultNormalize(targetShape->positions[controlPointIndex]); const FbxVector4 &shapePosition = transform.MultNormalize(targetShape->positions[controlPointIndex]);
blendVertex.position = toVec3f(shapePosition - fbxPosition); blendVertex.position = toVec3f(shapePosition - fbxPosition);
if (targetShape->normals.LayerPresent()) { if (targetShape->normals.LayerPresent()) {
FbxVector4 normal = targetShape->normals.GetElement( const FbxVector4 &normal = targetShape->normals.GetElement(
polygonIndex, polygonVertexIndex, controlPointIndex, FbxVector4(0.0f, 0.0f, 0.0f, 0.0f), inverseTransposeTransform, true); polygonIndex, polygonVertexIndex, controlPointIndex, FbxVector4(0.0f, 0.0f, 0.0f, 0.0f), inverseTransposeTransform, true);
normal -= fbxNormal; blendVertex.normal = toVec3f(normal - fbxNormal);
blendVertex.normal = toVec3f(normal);
} }
if (targetShape->tangents.LayerPresent()) { if (targetShape->tangents.LayerPresent()) {
FbxVector4 tangent = targetShape->tangents.GetElement( const FbxVector4 &tangent = targetShape->tangents.GetElement(
polygonIndex, polygonVertexIndex, controlPointIndex, FbxVector4(0.0f, 0.0f, 0.0f, 0.0f), inverseTransposeTransform, true); polygonIndex, polygonVertexIndex, controlPointIndex, FbxVector4(0.0f, 0.0f, 0.0f, 0.0f), inverseTransposeTransform, true);
tangent -= fbxTangent; blendVertex.tangent = toVec4f(tangent - fbxTangent);
blendVertex.tangent = toVec4f(tangent);
} }
vertex.blends.push_back(blendVertex); vertex.blends.push_back(blendVertex);
} }