38     QgsRay3D( 
const QVector3D &origin, 
const QVector3D &direction );
 
   44     QVector3D 
origin()
 const { 
return mOrigin; }
 
   56     void setOrigin( 
const QVector3D &origin );
 
   63     void setDirection( 
const QVector3D direction );
 
   69     QVector3D projectedPoint( 
const QVector3D &point ) 
const;
 
   71     bool isInFront( 
const QVector3D &point ) 
const;
 
   73     double angleToPoint( 
const QVector3D &point ) 
const;
 
A representation of a ray in 3D.
QVector3D origin() const
Returns the origin of the ray.
QVector3D direction() const
Returns the direction of the ray see setDirection()