Added marker for source plane normal center

src/pulsaranimationwidget.cpp

@@ -57,6 +57,7 @@ PulsarAnimationWidget::PulsarAnimationWidget(QWidget *parent) :
     m_quadricSourcePlane = NULL;
     m_quadricSourcePlaneNormal = NULL;
     m_quadricSourcePlaneNormalCap = NULL;
+    m_quadricSourcePlaneNormalCenter = NULL;
     m_quadricLHOv = NULL;
     m_quadricLHOh = NULL;
 
@@ -98,6 +99,7 @@ PulsarAnimationWidget::~PulsarAnimationWidget()
     if(m_quadricSourcePlane) gluDeleteQuadric(m_quadricSourcePlane);
     if(m_quadricSourcePlaneNormal) gluDeleteQuadric(m_quadricSourcePlaneNormal);
     if(m_quadricSourcePlaneNormalCap) gluDeleteQuadric(m_quadricSourcePlaneNormalCap);
+    if(m_quadricSourcePlaneNormalCenter) gluDeleteQuadric(m_quadricSourcePlaneNormalCenter);
     if(m_quadricLHOv) gluDeleteQuadric(m_quadricLHOv);
     if(m_quadricLHOh) gluDeleteQuadric(m_quadricLHOh);
 
@@ -142,6 +144,7 @@ void PulsarAnimationWidget::initializeGL()
     m_quadricSourcePlane = gluNewQuadric();
     m_quadricSourcePlaneNormal = gluNewQuadric();
     m_quadricSourcePlaneNormalCap = gluNewQuadric();
+    m_quadricSourcePlaneNormalCenter = gluNewQuadric();
     m_quadricLHOv = gluNewQuadric();
     m_quadricLHOh = gluNewQuadric();
 
@@ -153,6 +156,7 @@ void PulsarAnimationWidget::initializeGL()
     gluQuadricNormals(m_quadricSourcePlane, GLU_SMOOTH);
     gluQuadricNormals(m_quadricSourcePlaneNormal, GLU_SMOOTH);
     gluQuadricNormals(m_quadricSourcePlaneNormalCap, GLU_SMOOTH);
+    gluQuadricNormals(m_quadricSourcePlaneNormalCenter, GLU_SMOOTH);
     gluQuadricNormals(m_quadricLHOv, GLU_SMOOTH);
     gluQuadricNormals(m_quadricLHOh, GLU_SMOOTH);
 
@@ -393,6 +397,12 @@ void PulsarAnimationWidget::paintGL()
                 glEnd();
             }
             glPopMatrix();
+            glColor3f(1.0f, 1.0f, 1.0f);
+            glPushMatrix();
+            {
+                gluSphere(m_quadricSourcePlaneNormalCenter, 0.040, 32, 32);
+            }
+            glPopMatrix();
 
             // draw disc
             glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, translucent);

src/pulsaranimationwidget.h

@@ -79,6 +79,7 @@ private:
     GLUquadricObj *m_quadricLLOv;
     GLUquadricObj *m_quadricSourcePlaneNormal;
     GLUquadricObj *m_quadricSourcePlaneNormalCap;
+    GLUquadricObj *m_quadricSourcePlaneNormalCenter;
     GLUquadricObj *m_quadricLHOv;
     GLUquadricObj *m_quadricLHOh;