fly/flightgear
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Base sun and moon diameter and distance on actual numbers

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ehofman 2003-06-14 09:32:06 +00:00
parent a714849cbd
commit 0c5115e69a
1 changed files with 12 additions and 2 deletions
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14
src/Main/main.cxx
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@ -619,6 +619,11 @@ void fgRenderFrame() {
<< " moon dec = " << globals->get_ephem()->getMoonDeclination() );
*/
// The sun and moon distances are scaled down versions
// of the actual distance to get both the moon and the sun
// within the range of the far clip plane.
// Moon distance: 384,467 kilometers
// Sun distance: 150,000,000 kilometers
thesky->reposition( current__view->get_view_pos(),
current__view->get_zero_elev(),
current__view->get_world_up(),
@ -635,7 +640,7 @@ void fgRenderFrame() {
50000.0,
globals->get_ephem()->getMoonRightAscension(),
globals->get_ephem()->getMoonDeclination(),
50000.0 );
40000.0 );
}
glEnable( GL_DEPTH_TEST );
@ -1756,8 +1761,13 @@ static bool fgMainInit( int argc, char **argv ) {
sky_tex_path.append( "Sky" );
thesky->texture_path( sky_tex_path.str() );
// The sun and moon diameters are scaled down numbers of the
// actual diameters. This was needed to fit bot the sun and the
// moon within the distance to the far clip plane.
// Moon diameter: 3,476 kilometers
// Sun diameter: 1,390,000 kilometers
thesky->build( 80000.0, 80000.0,
550.0, 550.0,
463.3, 361.8,
globals->get_ephem()->getNumPlanets(),
globals->get_ephem()->getPlanets(),
globals->get_ephem()->getNumStars(),