v4games
/
assimp
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix: Add missing transformation for normalized normals.

pull/5271/head^2
Kim Kulling 2023-10-29 09:44:23 +01:00 committed by Kim Kulling
parent c44e3427aa
commit 25aee03f66
1 changed files with 4 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
code/PostProcessing/PretransformVertices.cpp
View File

@ -290,12 +290,6 @@ void PretransformVertices::ComputeAbsoluteTransform(aiNode *pcNode) {
}
}
static void normalizeVectorArray(aiVector3D *vectorArrayIn, aiVector3D *vectorArrayOut, size_t numVectors) {
for (size_t i=0; i<numVectors; ++i) {
vectorArrayOut[i] = vectorArrayIn[i].Normalize();
}
}
// ------------------------------------------------------------------------------------------------
// Apply the node transformation to a mesh
void PretransformVertices::ApplyTransform(aiMesh *mesh, const aiMatrix4x4 &mat) const {
@ -322,8 +316,11 @@ void PretransformVertices::ApplyTransform(aiMesh *mesh, const aiMatrix4x4 &mat)
const aiMatrix3x3 m = aiMatrix3x3(mat).Inverse().Transpose();
if (mesh->HasNormals()) {
normalizeVectorArray(mesh->mNormals, mesh->mNormals, mesh->mNumVertices);
for (unsigned int i = 0; i < mesh->mNumVertices; ++i) {
mesh->mNormals[i] = (m * mesh->mNormals[i]).Normalize();
}
}
if (mesh->HasTangentsAndBitangents()) {
for (unsigned int i = 0; i < mesh->mNumVertices; ++i) {
mesh->mTangents[i] = (m * mesh->mTangents[i]).Normalize();