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fixed an instance bug that occurs in conjunction with analytic shapes

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Wenzel Jakob 2011-09-08 11:43:23 -04:00
parent cda2bc02b9
commit 2e334d9eb4
1 changed files with 4 additions and 1 deletions
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5
src/shapes/instance.cpp
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@ -101,9 +101,11 @@ bool Instance::rayIntersect(const Ray &_ray, Float mint, Float maxt) const {
return kdtree->rayIntersect(ray, mint, maxt);
}
void Instance::fillIntersectionRecord(const Ray &ray,
void Instance::fillIntersectionRecord(const Ray &_ray,
const void *temp, Intersection &its) const {
const ShapeKDTree *kdtree = m_shapeGroup->getKDTree();
Ray ray;
m_worldToObject(_ray, ray);
kdtree->fillIntersectionRecord<false>(ray, temp, its);
its.shFrame.n = normalize(m_objectToWorld(its.shFrame.n));
its.shFrame.s = normalize(m_objectToWorld(its.shFrame.s));
@ -112,6 +114,7 @@ void Instance::fillIntersectionRecord(const Ray &ray,
its.wi = its.shFrame.toLocal(-ray.d);
its.dpdu = m_objectToWorld(its.dpdu);
its.dpdv = m_objectToWorld(its.dpdv);
its.p = m_objectToWorld(its.p);
}
MTS_IMPLEMENT_CLASS_S(Instance, false, Shape)