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Merge pull request #998 from johnmaf/bugfix/gltfUVs 

Flip UVs in glTFExporter
pull/972/head
Kim Kulling 2016-09-20 09:53:57 +02:00 committed by GitHub
parent 097743880c 8b3f348d63
commit b8950f6d90
1 changed files with 7 additions and 0 deletions
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7
code/glTFExporter.cpp
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@ -291,6 +291,13 @@ void glTFExporter::ExportMeshes()
if (n) p.attributes.normal.push_back(n); if (n) p.attributes.normal.push_back(n);
for (int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) { for (int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
// Flip UV y coords
if (aim -> mNumUVComponents[i] > 1) {
for (unsigned int j = 0; j < aim->mNumVertices; ++j) {
aim->mTextureCoords[i][j].y = 1 - aim->mTextureCoords[i][j].y;
}
}
if (aim->mNumUVComponents[i] > 0) { if (aim->mNumUVComponents[i] > 0) {
AttribType::Value type = (aim->mNumUVComponents[i] == 2) ? AttribType::VEC2 : AttribType::VEC3; AttribType::Value type = (aim->mNumUVComponents[i] == 2) ? AttribType::VEC2 : AttribType::VEC3;
Ref<Accessor> tc = ExportData(*mAsset, meshId, b, aim->mNumVertices, aim->mTextureCoords[i], AttribType::VEC3, type, ComponentType_FLOAT, true); Ref<Accessor> tc = ExportData(*mAsset, meshId, b, aim->mNumVertices, aim->mTextureCoords[i], AttribType::VEC3, type, ComponentType_FLOAT, true);