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Change scale factor during subdivision

master
Jeremy Hu 2019-08-13 07:29:14 +09:30
parent 42f243746e
commit 30fbfad8f9
1 changed files with 3 additions and 2 deletions
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5
thirdparty/nodemesh/nodemesh/misc.cpp vendored
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@ -533,12 +533,13 @@ void nodemesh::trim(std::vector<QVector3D> *vertices, bool normalize)
void nodemesh::subdivideFace2D(std::vector<QVector2D> *face)
{
auto oldFace = *face;
float scaleFactor = oldFace.size() == 4 ? 0.8 : 1.0;
face->clear();
for (size_t i = 0; i < oldFace.size(); ++i) {
size_t j = (i + 1) % oldFace.size();
QVector2D direct = (oldFace[i] + oldFace[j]).normalized();
float length = (oldFace[i].length() + oldFace[j].length()) * 0.4; // 0.4 = 0.5 * 0.8
face->push_back(oldFace[i] * 0.8);
float length = (oldFace[i].length() + oldFace[j].length()) * 0.5 * scaleFactor;
face->push_back(oldFace[i] * scaleFactor);
face->push_back(direct * length);
}
}