Include :

- a plane3d aggiunto metodo per calcolo piano dati tre punti.
2023-05-16 09:38:26 +02:00
parent 80423a1eb6
commit 05243da50b
1 changed files with 10 additions and 0 deletions
@@ -38,6 +38,16 @@ class Plane3d
                  m_dDist = ( ptP - ORIG) * m_vtN ;
                  return true ;
               }
+      bool Set( const Point3d& ptP1, const Point3d& ptP2, const Point3d& ptP3)
+               { if ( AreSamePointApprox( ptP1, ptP2)  ||
+                      AreSamePointApprox( ptP2, ptP3)  ||
+                      AreSamePointApprox( ptP3, ptP1)) {
+                    m_vtN = V_NULL ;
+                    return false ;
+                 }
+                 Vector3d vtN = ( ptP2 - ptP1) ^ ( ptP3 - ptP2) ;
+                 return Set( ptP1, vtN) ;
+               }
      void Reset( void)
               { m_vtN = V_NULL ;
                 m_dDist = 0 ;