Shortened source axis and turned it red

src/pulsaranimationwidget.cpp

@@ -329,23 +329,22 @@ void PulsarAnimationWidget::paintGL()
 
             // draw spin axis
             if(m_showRotationAxes) {
-                glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
-                glColor3f(1.0f, 1.0f, 1.0f);
+                glColor3f(1.0f, 0.0f, 0.0f);
                 glPushMatrix();
                 {
-                    glTranslatef(0.0, 0.0, -4.5);
-                    gluCylinder(m_quadricPulsarSpinAxis, 0.020, 0.020, 9.0, 32, 1);
+                    glTranslatef(0.0, 0.0, -2.0);
+                    gluCylinder(m_quadricPulsarSpinAxis, 0.020, 0.020, 4.0, 32, 1);
                 }
                 glPopMatrix();
                 glPushMatrix();
                 {
-                    glTranslatef(0.0, 0.0, -4.5);
+                    glTranslatef(0.0, 0.0, -2.0);
                     gluDisk(m_quadricPulsarSpinAxisTop1, 0, 0.020, 32, 8);
                 }
                 glPopMatrix();
                 glPushMatrix();
                 {
-                    glTranslatef(0.0, 0.0, 4.5);
+                    glTranslatef(0.0, 0.0, 2.0);
                     gluDisk(m_quadricPulsarSpinAxisTop2, 0, 0.020, 32, 8);
                 }
                 glPopMatrix();