fly/flightgear
1
0
Fork 0
Code Activity

Working on correct sun position.

Browse source
This commit is contained in:
curt 1997-08-06 15:41:26 +00:00
parent 88c803c7fc
commit bdb9603379
1 changed files with 10 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
Main/GLUTmain.c
View file

@ -138,8 +138,6 @@ static void fgUpdateViewParams() {
glMatrixMode(GL_MODELVIEW); glMatrixMode(GL_MODELVIEW);
glLoadIdentity(); glLoadIdentity();
glLightfv( GL_LIGHT0, GL_POSITION, sun_vec );
/* calculate view position in current FG view coordinate system */ /* calculate view position in current FG view coordinate system */
view_pos = fgPolarToCart(FG_Longitude, FG_Lat_geocentric, view_pos = fgPolarToCart(FG_Longitude, FG_Lat_geocentric,
FG_Radius_to_vehicle * FEET_TO_METER + 1.0); FG_Radius_to_vehicle * FEET_TO_METER + 1.0);
@ -222,6 +220,8 @@ static void fgUpdateViewParams() {
view_pos.x + view_forward[0], view_pos.y + view_forward[1], view_pos.x + view_forward[0], view_pos.y + view_forward[1],
view_pos.z + view_forward[2], view_pos.z + view_forward[2],
view_up[0], view_up[1], view_up[2]); view_up[0], view_up[1], view_up[2]);
glLightfv( GL_LIGHT0, GL_POSITION, sun_vec );
} }
@ -257,6 +257,7 @@ void fgUpdateTimeDepCalcs(int multi_loop) {
struct fgCartesianPoint sunpos; struct fgCartesianPoint sunpos;
double sun_lon, sun_gd_lat, sun_gc_lat, sl_radius; double sun_lon, sun_gd_lat, sun_gc_lat, sl_radius;
int i; int i;
static int time_warp = 0;
f = &current_aircraft.flight; f = &current_aircraft.flight;
@ -269,7 +270,8 @@ void fgUpdateTimeDepCalcs(int multi_loop) {
fgFlightModelUpdate(FG_LARCSIM, f, multi_loop); fgFlightModelUpdate(FG_LARCSIM, f, multi_loop);
/* refresh sun position */ /* refresh sun position */
fgSunPosition(time(NULL), &sun_lon, &sun_gd_lat); time_warp += 600;
fgSunPosition(time(NULL) + time_warp, &sun_lon, &sun_gd_lat);
fgGeodToGeoc(sun_gd_lat, 0, &sl_radius, &sun_gc_lat); fgGeodToGeoc(sun_gd_lat, 0, &sl_radius, &sun_gc_lat);
sunpos = fgPolarToCart(sun_lon, sun_gc_lat, sl_radius); sunpos = fgPolarToCart(sun_lon, sun_gc_lat, sl_radius);
printf("Sun position is (%.2f, %.2f, %.2f)\n", printf("Sun position is (%.2f, %.2f, %.2f)\n",
@ -643,9 +645,12 @@ int main( int argc, char *argv[] ) {
/* $Log$ /* $Log$
/* Revision 1.3 1997/08/06 00:24:22 curt /* Revision 1.4 1997/08/06 15:41:26 curt
/* Working on correct real time sun lighting. /* Working on correct sun position.
/* /*
* Revision 1.3 1997/08/06 00:24:22 curt
* Working on correct real time sun lighting.
*
* Revision 1.2 1997/08/04 20:25:15 curt * Revision 1.2 1997/08/04 20:25:15 curt
* Organizational tweaking. * Organizational tweaking.
* *