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- // This code is in the public domain -- Ignacio Castaño <castano@gmail.com>
- #include "TriMesh.h"
- using namespace nv;
- /// Triangle mesh.
- Vector3 TriMesh::faceNormal(uint f) const
- {
- const Face & face = this->faceAt(f);
- const Vector3 & p0 = this->vertexAt(face.v[0]).pos;
- const Vector3 & p1 = this->vertexAt(face.v[1]).pos;
- const Vector3 & p2 = this->vertexAt(face.v[2]).pos;
- return normalizeSafe(cross(p1 - p0, p2 - p0), Vector3(0.0f), 0.0f);
- }
- /// Get face vertex.
- const TriMesh::Vertex & TriMesh::faceVertex(uint f, uint v) const
- {
- nvDebugCheck(v < 3);
- const Face & face = this->faceAt(f);
- return this->vertexAt(face.v[v]);
- }
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