Added arrow head to line of sight

src/pulsaranimationwidget.cpp

@@ -64,8 +64,9 @@ PulsarAnimationWidget::PulsarAnimationWidget(QWidget *parent) :
     m_quadricPulsarConeRim1 = NULL;
     m_quadricPulsarConeRim2 = NULL;
     m_quadricLineOfSight = NULL;
-    m_quadricLineOfSightTop1 = NULL;
-    m_quadricLineOfSightTop2 = NULL;
+    m_quadricLineOfSightTop = NULL;
+    m_quadricLineOfSightCone = NULL;
+    m_quadricLineOfSightConeBase = NULL;
 
     // initialize texture pointers
     m_backgroundTexture = 0;
@@ -113,8 +114,9 @@ PulsarAnimationWidget::~PulsarAnimationWidget()
     if(m_quadricPulsarSpinAxisTop2) gluDeleteQuadric(m_quadricPulsarSpinAxisTop2);
     if(m_quadricPulsarMagneticAxis) gluDeleteQuadric(m_quadricPulsarMagneticAxis);
     if(m_quadricLineOfSight) gluDeleteQuadric(m_quadricLineOfSight);
-    if(m_quadricLineOfSightTop1) gluDeleteQuadric(m_quadricLineOfSightTop1);
-    if(m_quadricLineOfSightTop2) gluDeleteQuadric(m_quadricLineOfSightTop2);
+    if(m_quadricLineOfSightTop) gluDeleteQuadric(m_quadricLineOfSightTop);
+    if(m_quadricLineOfSightCone) gluDeleteQuadric(m_quadricLineOfSightCone);
+    if(m_quadricLineOfSightConeBase) gluDeleteQuadric(m_quadricLineOfSightConeBase);
     if(m_backgroundTexture) deleteTexture(m_backgroundTexture);
 }
 
@@ -157,8 +159,9 @@ void PulsarAnimationWidget::initializeGL()
     m_quadricPulsarSpinAxisTop2 = gluNewQuadric();
     m_quadricPulsarMagneticAxis = gluNewQuadric();
     m_quadricLineOfSight = gluNewQuadric();
-    m_quadricLineOfSightTop1 = gluNewQuadric();
-    m_quadricLineOfSightTop2 = gluNewQuadric();
+    m_quadricLineOfSightTop = gluNewQuadric();
+    m_quadricLineOfSightCone = gluNewQuadric();
+    m_quadricLineOfSightConeBase = gluNewQuadric();
 
     gluQuadricNormals(m_quadricPulsar, GLU_SMOOTH);
     gluQuadricNormals(m_quadricPulsarConeRim1, GLU_SMOOTH);
@@ -168,9 +171,9 @@ void PulsarAnimationWidget::initializeGL()
     gluQuadricNormals(m_quadricPulsarSpinAxisTop2, GLU_SMOOTH);
     gluQuadricNormals(m_quadricPulsarMagneticAxis, GLU_SMOOTH);
     gluQuadricNormals(m_quadricLineOfSight, GLU_SMOOTH);
-    gluQuadricNormals(m_quadricLineOfSightTop1, GLU_SMOOTH);
-    gluQuadricNormals(m_quadricLineOfSightTop2, GLU_SMOOTH);
-
+    gluQuadricNormals(m_quadricLineOfSightTop, GLU_SMOOTH);
+    gluQuadricNormals(m_quadricLineOfSightCone, GLU_SMOOTH);
+    gluQuadricNormals(m_quadricLineOfSightConeBase, GLU_SMOOTH);
 
     // query max texture size (estimate)
     GLint maxTextureSize;
@@ -262,19 +265,25 @@ void PulsarAnimationWidget::paintGL()
             glPushMatrix();
             {
                 glTranslatef(0.0, 0.0, m_pulsarRadius);
-                gluCylinder(m_quadricLineOfSight, 0.025, 0.025, 4.01, 32, 1);
+                gluCylinder(m_quadricLineOfSightCone, 0, 0.1, 0.5, 32, 1);
+            }
+            glPopMatrix();
+            glPushMatrix();
+            {
+                glTranslatef(0.0, 0.0, m_pulsarRadius + 0.5);
+                gluDisk(m_quadricLineOfSightConeBase, 0, 0.1, 32, 8);
             }
             glPopMatrix();
             glPushMatrix();
             {
-                glTranslatef(0.0, 0.0, m_pulsarRadius - 0.01);
-                gluDisk(m_quadricLineOfSightTop1, 0, 0.025, 32, 8);
+                glTranslatef(0.0, 0.0, m_pulsarRadius + 0.5);
+                gluCylinder(m_quadricLineOfSight, 0.025, 0.025, 3.51, 32, 1);
             }
             glPopMatrix();
             glPushMatrix();
             {
-                glTranslatef(0.0, 0.0, 5.01);
-                gluDisk(m_quadricLineOfSightTop2, 0, 0.025, 32, 8);
+                glTranslatef(0.0, 0.0, m_pulsarRadius + 4.01);
+                gluDisk(m_quadricLineOfSightTop, 0, 0.025, 32, 8);
             }
             glPopMatrix();
             glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);

src/pulsaranimationwidget.h

@@ -83,8 +83,9 @@ private:
     GLUquadricObj *m_quadricPulsarSpinAxisTop2;
     GLUquadricObj *m_quadricPulsarMagneticAxis;
     GLUquadricObj *m_quadricLineOfSight;
-    GLUquadricObj *m_quadricLineOfSightTop1;
-    GLUquadricObj *m_quadricLineOfSightTop2;
+    GLUquadricObj *m_quadricLineOfSightTop;
+    GLUquadricObj *m_quadricLineOfSightCone;
+    GLUquadricObj *m_quadricLineOfSightConeBase;
 
     GLuint m_backgroundTexture;