Fix faces to nodes projector

2020-01-17 22:14:55 +09:30 · 2020-01-17 22:14:55 +09:30 · 21fd758c48
parent 1844a897c4
commit 21fd758c48
1 changed files with 2 additions and 0 deletions
--- a/src/projectfacestonodes.cpp
+++ b/src/projectfacestonodes.cpp
@ -32,6 +32,8 @@ public:
        auto B = -polygonNormal(*m_vertices, face);
        auto a = QVector3D::dotProduct(B, B);
        auto b = 2.0f * QVector3D::dotProduct(B, A - C);
+        if (b >= 0.0)
+            return false;
        const auto &r = nodeRadius;
        auto c = QVector3D::dotProduct(A - C, A - C) - r * r;
        if (b * b - 4 * a * c <= 0)