EpicSparrow/SparrowRenderer
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fixed tangent space

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This commit is contained in:
Anselme 2016-06-13 13:00:45 +02:00
parent 637195391d
commit dcb95d1644
1 changed files with 2 additions and 0 deletions
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src/mesh.cpp
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@ -367,6 +367,8 @@ void Mesh::computeTangents()
glm::vec3 binormalDir = deltaUV1.x * edge2 - deltaUV2.x * edge1; glm::vec3 binormalDir = deltaUV1.x * edge2 - deltaUV2.x * edge1;
binormalDir = glm::normalize(binormalDir*f); binormalDir = glm::normalize(binormalDir*f);
if(glm::dot(glm::cross(normals[vertexId0], binormalDir), tangentDir) < 0.f)
binormalDir = -binormalDir;
tangents[vertexId0] = {tangentDir, binormalDir}; tangents[vertexId0] = {tangentDir, binormalDir};
tangents[vertexId1] = {tangentDir, binormalDir}; tangents[vertexId1] = {tangentDir, binormalDir};