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Merged in Durk's changes ...

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This commit is contained in:
curt 1997-12-30 16:36:40 +00:00
parent 96068a55c9
commit ed729a630e
13 changed files with 334 additions and 111 deletions
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10
Cockpit/depend
View file

@ -18,3 +18,13 @@ hud.o: hud.c hud.h ../Aircraft/aircraft.h \
../Scenery/scenery.h ../Scenery/../Include/types.h ../Math/mat3.h \
../Math/polar.h ../Math/../Include/types.h ../Time/fg_timer.h \
../Math/fg_random.h ../Weather/weather.h
test.o: test.c test.h ../Aircraft/aircraft.h \
../Aircraft/../Flight/flight.h ../Aircraft/../Flight/Slew/slew.h \
../Aircraft/../Flight/LaRCsim/ls_interface.h \
../Aircraft/../Flight/LaRCsim/../flight.h \
../Aircraft/../Controls/controls.h \
../Aircraft/../Controls/../Include/limits.h ../Flight/flight.h \
../Controls/controls.h ../Include/constants.h ../Scenery/mesh.h \
../Scenery/scenery.h ../Scenery/../Include/types.h ../Math/mat3.h \
../Math/polar.h ../Math/../Include/types.h ../Time/fg_timer.h \
../Math/fg_random.h ../Weather/weather.h

16
Cockpit/hud.h
View file

@ -24,6 +24,10 @@
**************************************************************************/
#ifndef HUD_H
#define HUD_H
#include "../Aircraft/aircraft.h"
#include "../Flight/flight.h"
#include "../Controls/controls.h"
@ -225,11 +229,17 @@ void fgUpdateHUD();
void fgUpdateHUD2( struct HUD *hud );
#endif /* HUD_H */
/* $Log$
/* Revision 1.2 1997/12/10 22:37:40 curt
/* Prepended "fg" on the name of all global structures that didn't have it yet.
/* i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
/* Revision 1.3 1997/12/30 16:36:41 curt
/* Merged in Durk's changes ...
/*
* Revision 1.2 1997/12/10 22:37:40 curt
* Prepended "fg" on the name of all global structures that didn't have it yet.
* i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
*
* Revision 1.1 1997/08/29 18:03:22 curt
* Initial revision.
*

13
Main/GLUTkey.c
View file

@ -42,6 +42,7 @@
extern int show_hud; /* HUD state */
extern int displayInstruments;
/* Handle keyboard events */
@ -86,6 +87,9 @@ void GLUTkey(unsigned char k, int x, int y) {
case 72: /* H key */
show_hud = !show_hud;
return;
case 87: /* W key */
displayInstruments = !displayInstruments;
return;
case 90: /* Z key */
w->visibility /= 1.10;
xglFogf(GL_FOG_END, w->visibility);
@ -225,10 +229,13 @@ void GLUTspecialkey(int k, int x, int y) {
/* $Log$
/* Revision 1.23 1997/12/15 23:54:44 curt
/* Add xgl wrappers for debugging.
/* Generate terrain normals on the fly.
/* Revision 1.24 1997/12/30 16:36:46 curt
/* Merged in Durk's changes ...
/*
* Revision 1.23 1997/12/15 23:54:44 curt
* Add xgl wrappers for debugging.
* Generate terrain normals on the fly.
*
* Revision 1.22 1997/12/10 22:37:45 curt
* Prepended "fg" on the name of all global structures that didn't have it yet.
* i.e. "struct WEATHER {}" became "struct fgWEATHER {}"

89
Main/GLUTmain.c
View file

@ -62,6 +62,7 @@ struct fgGENERAL general;
/* view parameters */
static GLfloat win_ratio = 1.0;
static GLint winWidth, winHeight;
/* temporary hack */
/* pointer to scenery structure */
@ -75,6 +76,9 @@ int use_signals = 0;
/* Yet another hack. This one used by the HUD code. Michele */
int show_hud;
/* Yet another other hack. Used for my prototype instrument code. (Durk) */
int displayInstruments;
/**************************************************************************
* fgInitVisuals() -- Initialize various GL/view parameters
@ -135,10 +139,22 @@ static void fgUpdateViewParams() {
fgViewUpdate(f, v, l);
/* Tell GL we are about to modify the projection parameters */
xglMatrixMode(GL_PROJECTION);
xglLoadIdentity();
gluPerspective(55.0, 1.0/win_ratio, 1.0, 100000.0);
if (displayInstruments)
{
xglViewport(0, (GLint)(winHeight / 2 ) , (GLint)winWidth, (GLint)winHeight / 2);
/* Tell GL we are about to modify the projection parameters */
xglMatrixMode(GL_PROJECTION);
xglLoadIdentity();
gluPerspective(55.0, 2.0/win_ratio, 1.0, 100000.0);
}
else
{
xglViewport(0, 0 , (GLint)winWidth, (GLint) winHeight);
/* Tell GL we are about to modify the projection parameters */
xglMatrixMode(GL_PROJECTION);
xglLoadIdentity();
gluPerspective(55.0, 1.0/win_ratio, 1.0, 100000.0);
}
xglMatrixMode(GL_MODELVIEW);
xglLoadIdentity();
@ -215,6 +231,47 @@ static void fgUpdateViewParams() {
}
/*************************************************************************
* Draw a basic instrument panel
************************************************************************/
static void fgUpdateInstrViewParams() {
xglViewport(0, 0 , (GLint)winWidth, (GLint)winHeight / 2);
xglMatrixMode(GL_PROJECTION);
xglPushMatrix();
xglLoadIdentity();
gluOrtho2D(0, 640, 0, 480);
xglMatrixMode(GL_MODELVIEW);
xglPushMatrix();
xglLoadIdentity();
xglColor3f(1.0, 1.0, 1.0);
xglIndexi(7);
xglDisable(GL_DEPTH_TEST);
xglDisable(GL_LIGHTING);
xglLineWidth(1);
xglColor3f (0.5, 0.5, 0.5);
xglBegin(GL_QUADS);
xglVertex2f(0.0, 0.00);
xglVertex2f(0.0, 480.0);
xglVertex2f(640.0,480.0);
xglVertex2f(640.0, 0.0);
xglEnd();
xglRectf(0.0,0.0, 640, 480);
xglEnable(GL_DEPTH_TEST);
xglEnable(GL_LIGHTING);
xglMatrixMode(GL_PROJECTION);
xglPopMatrix();
xglMatrixMode(GL_MODELVIEW);
xglPopMatrix();
}
/**************************************************************************
* Update all Visuals (redraws anything graphics related)
**************************************************************************/
@ -291,8 +348,14 @@ static void fgRenderFrame( void ) {
fgSceneryRender();
/* display HUD */
/* if( show_hud )
fgCockpitUpdate(); */
/* if( show_hud ) {
fgCockpitUpdate();
} */
/* display instruments */
if (displayInstruments) {
fgUpdateInstrViewParams();
}
#ifdef GLUT
xglutSwapBuffers();
@ -533,8 +596,11 @@ static void fgReshape( int width, int height ) {
win_ratio = (GLfloat) height / (GLfloat) width;
}
/* Inform gl of our view window size */
xglViewport(0, 0, (GLint)width, (GLint)height);
winWidth = width;
winHeight = height;
/* Inform gl of our view window size (now handled elsewhere) */
/* xglViewport(0, 0, (GLint)width, (GLint)height); */
fgUpdateViewParams();
@ -623,9 +689,12 @@ int main( int argc, char *argv[] ) {
/* $Log$
/* Revision 1.41 1997/12/30 13:06:56 curt
/* A couple lighting tweaks ...
/* Revision 1.42 1997/12/30 16:36:47 curt
/* Merged in Durk's changes ...
/*
* Revision 1.41 1997/12/30 13:06:56 curt
* A couple lighting tweaks ...
*
* Revision 1.40 1997/12/30 01:38:37 curt
* Switched back to per vertex normals and smooth shading for terrain.
*

1
Main/depend
View file

@ -37,6 +37,7 @@ fg_init.o: fg_init.c fg_init.h views.h ../Include/types.h \
../Scenery/scenery.h ../Scenery/../Include/types.h ../Scenery/sky.h \
../Scenery/stars.h ../Scenery/sun.h ../Time/sunpos.h \
../Weather/weather.h
probdemo.o: probdemo.c ../XGL/xgl.h
views.o: views.c views.h ../Include/types.h ../Flight/flight.h \
../Flight/Slew/slew.h ../Flight/LaRCsim/ls_interface.h \
../Flight/LaRCsim/../flight.h ../Math/mat3.h ../Time/fg_time.h \

11
Main/fg_init.c
View file

@ -49,6 +49,7 @@
extern int show_hud; /* HUD state */
extern int displayInstruments;
/* General house keeping initializations */
@ -228,15 +229,21 @@ void fgInitSubsystems( void ) {
/* To HUD or not to HUD */
show_hud = 1;
/* Let's show the instrument panel */
displayInstruments = 1;
/* Joystick support */
fgJoystickInit( 0 );
}
/* $Log$
/* Revision 1.22 1997/12/19 23:34:05 curt
/* Lot's of tweaking with sky rendering and lighting.
/* Revision 1.23 1997/12/30 16:36:50 curt
/* Merged in Durk's changes ...
/*
* Revision 1.22 1997/12/19 23:34:05 curt
* Lot's of tweaking with sky rendering and lighting.
*
* Revision 1.21 1997/12/19 16:45:00 curt
* Working on scene rendering order and options.
*

157
Scenery/moon.c
View file

@ -28,6 +28,7 @@
#include "orbits.h"
#include "moon.h"
#include "../Aircraft/aircraft.h"
#include "../Include/general.h"
#include "../Main/views.h"
#include "../Time/fg_time.h"
@ -148,80 +149,110 @@ struct CelestialCoord fgCalculateMoon(struct OrbElements params,
struct OrbElements sunParams,
struct fgTIME t)
{
struct CelestialCoord
result;
double
eccAnom, ecl, lonecl, latecl, actTime,
xv, yv, v, r, xh, yh, zh, xg, yg, zg, xe, ye, ze,
Ls, Lm, D, F;
struct CelestialCoord
geocCoord, topocCoord;
double
eccAnom, ecl, lonecl, latecl, actTime,
xv, yv, v, r, xh, yh, zh, xg, yg, zg, xe, ye, ze,
Ls, Lm, D, F, mpar, gclat, rho, HA, g;
struct fgAIRCRAFT *a;
struct fgFLIGHT *f;
/* calculate the angle between ecliptic and equatorial coordinate system */
actTime = fgCalcActTime(t);
ecl = fgDegToRad(23.4393 - 3.563E-7 * actTime); // in radians of course
a = &current_aircraft;
f = &a->flight;
/* calculate the angle between ecliptic and equatorial coordinate system */
actTime = fgCalcActTime(t);
ecl = fgDegToRad(23.4393 - 3.563E-7 * actTime); // in radians of course
/* calculate the eccentric anomaly */
eccAnom = fgCalcEccAnom(params.M, params.e);
/* calculate the eccentric anomaly */
eccAnom = fgCalcEccAnom(params.M, params.e);
/* calculate the moon's distance (d) and true anomaly (v) */
xv = params.a * ( cos(eccAnom) - params.e);
yv = params.a * ( sqrt(1.0 - params.e*params.e) * sin(eccAnom));
v =atan2(yv, xv);
r = sqrt(xv*xv + yv*yv);
/* estimate the geocentric rectangular coordinates here */
xh = r * (cos(params.N) * cos(v + params.w) - sin(params.N) * sin(v + params.w) * cos(params.i));
yh = r * (sin(params.N) * cos(v + params.w) + cos(params.N) * sin(v + params.w) * cos(params.i));
zh = r * (sin(v + params.w) * sin(params.i));
/* calculate the ecliptic latitude and longitude here */
lonecl = atan2( yh, xh);
latecl = atan2( zh, sqrt( xh*xh + yh*yh));
/* calculate the moon's distance (d) and true anomaly (v) */
xv = params.a * ( cos(eccAnom) - params.e);
yv = params.a * ( sqrt(1.0 - params.e*params.e) * sin(eccAnom));
v =atan2(yv, xv);
r = sqrt(xv*xv + yv*yv);
/* calculate a number of perturbations */
Ls = sunParams.M + sunParams.w;
Lm = params.M + params.w + params.N;
D = Lm - Ls;
F = Lm - params.N;
lonecl += fgDegToRad(
- 1.274 * sin (params.M - 2*D) // the Evection
+ 0.658 * sin (2 * D) // the Variation
- 0.186 * sin (sunParams.M) // the yearly variation
- 0.059 * sin (2*params.M - 2*D)
- 0.057 * sin (params.M - 2*D + sunParams.M)
+ 0.053 * sin (params.M + 2*D)
+ 0.046 * sin (2*D - sunParams.M)
+ 0.041 * sin (params.M - sunParams.M)
- 0.035 * sin (D) // the Parallactic Equation
- 0.031 * sin (params.M + sunParams.M)
- 0.015 * sin (2*F - 2*D)
+ 0.011 * sin (params.M - 4*D)
); /* Pheeuuwwww */
latecl += fgDegToRad(
- 0.173 * sin (F - 2*D)
- 0.055 * sin (params.M - F - 2*D)
- 0.046 * sin (params.M + F - 2*D)
+ 0.033 * sin (F + 2*D)
+ 0.017 * sin (2 * params.M + F)
); /* Yep */
/* estimate the geocentric rectangular coordinates here */
xh = r * (cos(params.N) * cos(v + params.w) - sin(params.N) * sin(v + params.w) * cos(params.i));
yh = r * (sin(params.N) * cos(v + params.w) + cos(params.N) * sin(v + params.w) * cos(params.i));
zh = r * (sin(v + params.w) * sin(params.i));
r += (
- 0.58 * cos(params.M - 2*D)
- 0.46 * cos(2*D)
); /* Ok! */
/* calculate the ecliptic latitude and longitude here */
lonecl = atan2( yh, xh);
latecl = atan2( zh, sqrt( xh*xh + yh*yh));
xg = r * cos(lonecl) * cos(latecl);
yg = r * sin(lonecl) * cos(latecl);
zg = r * sin(latecl);
/* calculate a number of perturbations */
Ls = sunParams.M + sunParams.w;
Lm = params.M + params.w + params.N;
D = Lm - Ls;
F = Lm - params.N;
xe = xg;
ye = yg * cos(ecl) - zg * sin(ecl);
ze = yg * sin(ecl) + zg * cos(ecl);
lonecl += fgDegToRad(
- 1.274 * sin (params.M - 2*D) // the Evection
+ 0.658 * sin (2 * D) // the Variation
- 0.186 * sin (sunParams.M) // the yearly variation
- 0.059 * sin (2*params.M - 2*D)
- 0.057 * sin (params.M - 2*D + sunParams.M)
+ 0.053 * sin (params.M + 2*D)
+ 0.046 * sin (2*D - sunParams.M)
+ 0.041 * sin (params.M - sunParams.M)
- 0.035 * sin (D) // the Parallactic Equation
- 0.031 * sin (params.M + sunParams.M)
- 0.015 * sin (2*F - 2*D)
+ 0.011 * sin (params.M - 4*D)
); /* Pheeuuwwww */
latecl += fgDegToRad(
- 0.173 * sin (F - 2*D)
- 0.055 * sin (params.M - F - 2*D)
- 0.046 * sin (params.M + F - 2*D)
+ 0.033 * sin (F + 2*D)
+ 0.017 * sin (2 * params.M + F)
); /* Yep */
r += (
- 0.58 * cos(params.M - 2*D)
- 0.46 * cos(2*D)
); /* Ok! */
geocCoord.RightAscension = atan2(ye, xe);
geocCoord.Declination = atan2(ze, sqrt(xe*xe + ye*ye));
/* New since 25 december 1997 */
/* Calculate the moon's topocentric position instead of it's geocentric! */
xg = r * cos(lonecl) * cos(latecl);
yg = r * sin(lonecl) * cos(latecl);
zg = r * sin(latecl);
mpar = asin( 1 / r); /* calculate the moon's parrallax, i.e. the apparent size of the
(equatorial) radius of the Earth, as seen from the moon */
gclat = FG_Latitude - 0.083358 * sin (2 * fgDegToRad( FG_Latitude));
rho = 0.99883 + 0.00167 * cos(2 * fgDegToRad(FG_Latitude));
xe = xg;
ye = yg * cos(ecl) - zg * sin(ecl);
ze = yg * sin(ecl) + zg * cos(ecl);
if (geocCoord.RightAscension < 0)
geocCoord.RightAscension += (2*M_PI);
result.RightAscension = atan2(ye, xe);
result.Declination = atan2(ze, sqrt(xe*xe + ye*ye));
return result;
HA = t.lst - (3.8197186 * geocCoord.RightAscension);
g = atan (tan(gclat) / cos( (HA / 3.8197186)));
topocCoord.RightAscension = geocCoord.RightAscension - mpar * rho * cos(gclat) * sin(HA) / cos(geocCoord.Declination);
topocCoord.Declination = geocCoord.Declination - mpar * rho * sin(gclat) * sin(g - geocCoord.Declination) / sin(g);
return topocCoord;
}

9
Scenery/orbits.h
View file

@ -40,6 +40,7 @@
struct SunPos {
double xs;
double ys;
double dist;
};
struct OrbElements {
@ -63,6 +64,7 @@ struct CelestialCoord {
double RightAscension;
double Declination;
double distance;
double magnitude;
};
@ -79,7 +81,10 @@ void fgSolarSystemUpdate(struct OrbElements *planets, struct fgTIME t);
/* $Log$
/* Revision 1.1 1997/10/25 03:16:10 curt
/* Initial revision of code contributed by Durk Talsma.
/* Revision 1.2 1997/12/30 16:36:52 curt
/* Merged in Durk's changes ...
/*
* Revision 1.1 1997/10/25 03:16:10 curt
* Initial revision of code contributed by Durk Talsma.
*
*/

61
Scenery/planets.c
View file

@ -31,7 +31,7 @@
struct CelestialCoord fgCalculatePlanet(struct OrbElements planet,
struct OrbElements theSun,
struct fgTIME t)
struct fgTIME t, int idx)
{
struct CelestialCoord
result;
@ -40,7 +40,7 @@ struct CelestialCoord fgCalculatePlanet(struct OrbElements planet,
SolarPosition;
double
eccAnom, r, v, ecl, actTime,
eccAnom, r, v, ecl, actTime, R, s, ir, Nr, B, FV, ring_magn,
xv, yv, xh, yh, zh, xg, yg, zg, xe, ye, ze;
actTime = fgCalcActTime(t);
@ -77,18 +77,69 @@ struct CelestialCoord fgCalculatePlanet(struct OrbElements planet,
xe = xg;
ye = yg * cos(ecl) - zg * sin(ecl);
ze = yg * sin(ecl) + zg * cos(ecl);
ze = yg * sin(ecl) + zg * cos(ecl);
result.RightAscension = atan2(ye,xe);
result.Declination = atan2(ze, sqrt(xe*xe + ye*ye));
/* Let's calculate the brightness of the planet */
R = sqrt ( xg*xg + yg*yg + zg*zg);
s = SolarPosition.dist;
FV = acos( (r*r + R*R - s*s) / (2*r*R));
FV *= 57.29578; /* convert radians to degrees */
switch(idx)
{
case 2: /* mercury */
result.magnitude = -0.36 + 5*log10( r*R ) + 0.027 * FV + 2.2E-13 * pow(FV, 6);
break;
case 3: /*venus */
result.magnitude = -4.34 + 5*log10( r*R ) + 0.013 * FV + 4.2E-07 * pow(FV,3);
break;
case 4: /* mars */
result.magnitude = -1.51 + 5*log10( r*R ) + 0.016 * FV;
break;
case 5: /* Jupiter */
result.magnitude = -9.25 + 5*log10( r*R ) + 0.014 * FV;
break;
case 6: /* Saturn */
ir = 0.4897394;
Nr = 2.9585076 + 6.6672E-7*actTime;
B = asin ( sin (result.Declination) * cos(ir) - cos(result.Declination) * sin (ir) * sin (result.RightAscension - Nr));
ring_magn = -2.6 * sin (abs(B)) + 1.2 * pow(sin(B),2);
result.magnitude = -9.0 + 5*log10( r*R ) + 0.044 * FV + ring_magn;
break;
case 7: /* Uranus */
result.magnitude = -7.15 + 5*log10( r*R) + 0.001 * FV;
break;
case 8: /* Neptune */
result.magnitude = -6.90 + 5*log10 (r*R) + 0.001 *FV;
break;
default:
printf("index %d out of range !!!!\n", idx);
}
printf("Geocentric dist %f\n"
"Heliocentric dist %f\n"
"Distance to the sun %f\n"
"Phase angle %f\n"
"Brightness %f\n", R, r, s, FV, result.magnitude);
return result;
}
/* $Log$
/* Revision 1.2 1997/12/12 21:41:29 curt
/* More light/material property tweaking ... still a ways off.
/* Revision 1.3 1997/12/30 16:36:52 curt
/* Merged in Durk's changes ...
/*
* Revision 1.2 1997/12/12 21:41:29 curt
* More light/material property tweaking ... still a ways off.
*
* Revision 1.1 1997/10/25 03:16:10 curt
* Initial revision of code contributed by Durk Talsma.
*
*/

9
Scenery/planets.h
View file

@ -29,15 +29,18 @@
struct CelestialCoord fgCalculatePlanet(struct OrbElements planet,
struct OrbElements theSun,
struct fgTIME t);
struct fgTIME t, int idx);
#endif /* PLANETS_H */
/* $Log$
/* Revision 1.2 1997/12/12 21:41:30 curt
/* More light/material property tweaking ... still a ways off.
/* Revision 1.3 1997/12/30 16:36:53 curt
/* Merged in Durk's changes ...
/*
* Revision 1.2 1997/12/12 21:41:30 curt
* More light/material property tweaking ... still a ways off.
*
* Revision 1.1 1997/10/25 03:16:11 curt
* Initial revision of code contributed by Durk Talsma.
*

24
Scenery/stars.c
View file

@ -167,11 +167,24 @@ void fgStarsInit() {
/* Add the planets to all four display lists */
for ( j = 2; j < 9; j++ ) {
pltPos = fgCalculatePlanet(pltOrbElements[j],
pltOrbElements[0], cur_time_params);
pltOrbElements[0], cur_time_params, j);
printf("Planet found at %f (ra), %f (dec)\n",
pltPos.RightAscension, pltPos.Declination);
/* give the planets a temporary color, for testing purposes */
xglColor3f( 1.0, 0.0, 0.0);
/* xglColor3f( 1.0, 0.0, 0.0); */
/* scale magnitudes to (0.0 - 1.0) */
magnitude = (0.0 - pltPos.magnitude) / 5.0 + 1.0;
/* scale magnitudes again so they look ok */
if ( magnitude > 1.0 ) { magnitude = 1.0; }
if ( magnitude < 0.0 ) { magnitude = 0.0; }
magnitude =
magnitude * 0.7 + (((FG_STAR_LEVELS - 1) - i) * 0.1);
xglColor3f(magnitude, magnitude, magnitude);
xglVertex3f( 50000.0 * cos(pltPos.RightAscension) *
cos(pltPos.Declination),
50000.0 * sin(pltPos.RightAscension) *
@ -265,9 +278,12 @@ void fgStarsRender() {
/* $Log$
/* Revision 1.21 1997/12/19 23:35:00 curt
/* Lot's of tweaking with sky rendering and lighting.
/* Revision 1.22 1997/12/30 16:36:53 curt
/* Merged in Durk's changes ...
/*
* Revision 1.21 1997/12/19 23:35:00 curt
* Lot's of tweaking with sky rendering and lighting.
*
* Revision 1.20 1997/12/15 23:55:03 curt
* Add xgl wrappers for debugging.
* Generate terrain normals on the fly.

41
Scenery/sun.c
View file

@ -60,6 +60,7 @@ struct SunPos fgCalcSunPos(struct OrbElements params)
coordinates (xs, ys) */
solarPosition.xs = r * cos(lonSun);
solarPosition.ys = r * sin(lonSun);
solarPosition.dist = r;
return solarPosition;
}
@ -126,23 +127,27 @@ void fgSunInit() {
void fgSunRender() {
struct fgVIEW *v;
struct fgTIME *t;
GLfloat color[4] = { 0.85, 0.65, 0.05, 1.0 };
/* double x_2, x_4, x_8, x_10; */
/* GLfloat ambient; */
/* GLfloat amb[3], diff[3]; */
struct fgLIGHT *l;
/* GLfloat color[4] = { 0.85, 0.65, 0.05, 1.0 }; */
GLfloat color[4] = { 1.00, 1.00, 1.00, 1.00 };
double x_2, x_4, x_8, x_10;
GLfloat ambient;
GLfloat amb[3], diff[3];
t = &cur_time_params;
v = &current_view;
l = &cur_light_params;
/* x_2 = t->sun_angle * t->sun_angle;
x_2 = l->sun_angle * l->sun_angle;
x_4 = x_2 * x_2;
x_8 = x_4 * x_4;
x_10 = x_8 * x_2; */
x_10 = x_8 * x_2;
/* ambient = (0.4 * pow(1.1, -x_10 / 30.0));
ambient = (0.4 * pow(1.1, -x_10 / 30.0));
if ( ambient < 0.3 ) ambient = 0.3;
if ( ambient > 1.0 ) ambient = 1.0;
amb[0] = 0.50 + ((ambient * 6.66) - 1.6);
amb[1] = 0.00 + ((ambient * 6.66) - 1.6);
amb[2] = 0.00 + ((ambient * 6.66) - 1.6);
@ -155,34 +160,40 @@ void fgSunRender() {
diff[0] = 0.0;
diff[1] = 0.0;
diff[2] = 0.0;
diff[3] = 0.0; */
diff[3] = 1.0;
/* set lighting parameters */
/* xglLightfv(GL_LIGHT0, GL_AMBIENT, color );
xglLightfv(GL_LIGHT0, GL_AMBIENT, color );
xglLightfv(GL_LIGHT0, GL_DIFFUSE, color );
xglMaterialfv(GL_FRONT, GL_AMBIENT, amb);
xglMaterialfv(GL_FRONT, GL_DIFFUSE, diff); */
xglMaterialfv(GL_FRONT, GL_DIFFUSE, diff);
xglMaterialfv(GL_FRONT, GL_SHININESS, diff);
xglMaterialfv(GL_FRONT, GL_EMISSION, diff);
xglMaterialfv(GL_FRONT, GL_SPECULAR, diff);
xglDisable( GL_LIGHTING );
/* xglDisable( GL_LIGHTING ); */
xglPushMatrix();
xglTranslatef(xSun, ySun, zSun);
xglScalef(1400, 1400, 1400);
xglColor4f(0.85, 0.65, 0.05, 1.0);
xglColor3f(0.85, 0.65, 0.05);
xglCallList(sun_obj);
xglPopMatrix();
xglEnable( GL_LIGHTING );
/* xglEnable( GL_LIGHTING ); */
}
/* $Log$
/* Revision 1.8 1997/12/19 23:35:00 curt
/* Lot's of tweaking with sky rendering and lighting.
/* Revision 1.9 1997/12/30 16:36:54 curt
/* Merged in Durk's changes ...
/*
* Revision 1.8 1997/12/19 23:35:00 curt
* Lot's of tweaking with sky rendering and lighting.
*
* Revision 1.7 1997/12/17 23:12:16 curt
* Fixed so moon and sun display lists aren't recreate periodically.
*

4
Time/depend
View file

@ -1,9 +1,11 @@
event.o: event.c event.h
fg_time.o: fg_time.c fg_time.h ../Include/types.h ../Flight/flight.h \
../Flight/Slew/slew.h ../Flight/LaRCsim/ls_interface.h \
../Flight/LaRCsim/../flight.h ../Include/constants.h \
../Time/fg_time.h
fg_timer.o: fg_timer.c fg_timer.h
sptest.o: sptest.c sunpos.h ../Include/types.h ../Include/constants.h
scheduler.o: scheduler.c
sidereal.o: sidereal.c ../Include/constants.h
sunpos.o: sunpos.c sunpos.h ../Include/types.h fg_time.h \
../Flight/flight.h ../Flight/Slew/slew.h \
../Flight/LaRCsim/ls_interface.h ../Flight/LaRCsim/../flight.h \