// include the QVector3D header #include// create a QVector3D object QVector3D position(2.0f, 1.0f, 0.5f);
// include the QVector3D header #includeThis code creates two QVector3D objects and calculates the dot product of them. Package library: Qt Core.// create two QVector3D objects QVector3D a(1.0f, 2.0f, 3.0f); QVector3D b(4.0f, 5.0f, 6.0f); // calculate the dot product float dot = QVector3D::dotProduct(a, b);