Commit 2d0de39a authored by Oliver Bock's avatar Oliver Bock
Browse files

Added arrow head

parent e56aa4df
......@@ -353,6 +353,31 @@ void PulsarAnimationWidget::paintGL()
gluDisk(m_quadricPulsarSpinAxisTop2, 0, 0.020, 32, 8);
}
glPopMatrix();
glPushMatrix();
{
glTranslatef(0.0, 0.0, 2.0f - 0.75f);
glBegin(GL_TRIANGLE_FAN);
{
// Pinnacle of cone is shared vertex for fan, moved up z-axis
// to produce a cone instead of a circle
glVertex3f(0.0f, 0.0f, 0.75f);
// Loop around in a circle and specify even points along the circle
// as the vertices of the triangle fan (32 sections)
for(angle = 0.0f; angle < (2.0f*PI); angle += (PI/32.0f))
{
// Calculate x and y position of the next vertex
x = 0.25f * sin(angle);
y = 0.25f * cos(angle);
// Specify the next vertex for the triangle fan
glVertex2f(x, y);
}
}
glEnd();
}
glPopMatrix();
}
// draw disc
......
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