Fixed partial derivative NaN error for hair (#60)

2018-05-02 14:00:42 +01:00 · 2018-05-02 14:00:42 +01:00 · 1fd0f671df
parent 25e110c999
commit 1fd0f671df
1 changed files with 1 additions and 0 deletions
--- a/src/shapes/hair.cpp
+++ b/src/shapes/hair.cpp
@ -846,6 +846,7 @@ void HairShape::fillIntersectionRecord(const Ray &ray,
    its.p += its.geoFrame.n * (m_kdtree->getRadius() - std::sqrt(local.y*local.y+local.z*local.z));

    its.shFrame.n = its.geoFrame.n;
+    coordinateSystem(its.shFrame.n, its.dpdu, its.dpdv);
    its.hasUVPartials = false;
    its.instance = this;
    its.time = ray.time;