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make obj reader handle faces with more than 4 vertices

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This commit is contained in:
Seth Alves 2015-03-27 14:24:36 -07:00
parent 087248dffc
commit cfa30594cc
1 changed files with 14 additions and 1 deletions
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15
libraries/fbx/src/OBJReader.cpp
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@ -249,7 +249,20 @@ bool parseOBJGroup(OBJTokenizer &tokenizer, const QVariantHash& mapping,
} else if (indices.count() == 4) {
meshPart.quadIndices << indices;
} else {
qDebug() << "no support for more than 4 vertices on a face in OBJ files";
// some obj writers (maya) will write a face with lots of points.
for (int i = 1; i < indices.count() - 1; i++) {
// break the face into triangles
meshPart.triangleIndices.append(indices[0]);
meshPart.triangleIndices.append(indices[i]);
meshPart.triangleIndices.append(indices[i+1]);
}
if (indices.count() == normalIndices.count()) {
for (int i = 1; i < normalIndices.count() - 1; i++) {
faceNormalIndexes.append(normalIndices[0]);
faceNormalIndexes.append(normalIndices[i]);
faceNormalIndexes.append(normalIndices[i+1]);
}
}
}
} else {
// something we don't (yet) care about