var angles_to_sun[3];

bmap flarepan_tga = <flarepan.tga>;

entity* aum_sun;

panel flare_pan
{
   pos_x = 0;
   pos_y = 0;
   bmap = flarepan_tga;
   flags = overlay, refresh, transparent, visible;
}

action my_own_sun
{
   // my.invisible = on; // remove the comment if you want to hide the sun model
   my.passable = on;
   aum_sun = my;
}

starter get_sun_angles()
{
   while (aum_sun == null) {wait (1);}
   while (player == null) {wait (1);}
   vec_set (temp.x, aum_sun.x);
   vec_sub (temp.x, player.x);
   vec_to_angle (angles_to_sun, temp); // got the (pan, tilt) angles from the initial position of the player to the sun
   while (1)
   {
      camera.pan %= 360;
      temp.x = 0.2 * abs(camera.pan - angles_to_sun[0]); // play with 0.2
      temp.y = 0.2 * abs(camera.tilt - angles_to_sun[1]); // play with 0.2
      flare_pan.alpha = 100 / ((temp.x + 1) * (temp.y + 1));
      wait (1);
   }
}