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fix #48

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Gary Wang
2017-10-10 23:36:39 +08:00
parent 64dc95b9f0
commit 9ab834126c
1 changed files with 1 additions and 1 deletions
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docs/05 Advanced Lighting/04 Normal Mapping.md
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@@ -398,7 +398,7 @@ vector<Texture> specularMaps = this->loadMaterialTextures(
```c++
vec3 T = normalize(vec3(model * vec4(tangent, 0.0)));
vec3 N = normalize(vec3(model * vec4(tangent, 0.0)));
vec3 N = normalize(vec3(model * vec4(normal, 0.0)));
// re-orthogonalize T with respect to N
T = normalize(T - dot(T, N) * N);
// then retrieve perpendicular vector B with the cross product of T and N