Aligned sky with sun so dusk/dawn effects can be correct relative to the sun.

diff --git a/Main/GLUTmain.c b/Main/GLUTmain.c
index dce600f3ec5846d0d6030db0377608c078f0c0e5..87848c258a66fb40d4ccda3534f984ea50394ba4 100644 (file)
--- a/Main/GLUTmain.c
+++ b/Main/GLUTmain.c
@@ -124,8 +124,7 @@ static void fgUpdateViewParams() {
     /* base sky color */
     GLfloat base_sky_color[4] =        {0.60, 0.60, 0.90, 1.0};
     /* base fog color */
-    /* GLfloat base_fog_color[4] = {0.70, 0.70, 0.70, 1.0}; */
-     GLfloat base_fog_color[4] = {1.00, 0.00, 0.00, 1.0};
+    GLfloat base_fog_color[4] = {0.70, 0.70, 0.70, 1.0};
 
     GLfloat white[4] = { 1.0, 1.0, 1.0, 1.0 };
 
@@ -134,7 +133,7 @@ static void fgUpdateViewParams() {
     t = &cur_time_params;
     v = &current_view;
 
-    fgViewUpdate(f, v);
+    fgViewUpdate(f, v, l);
 
     /* Tell GL we are about to modify the projection parameters */
     xglMatrixMode(GL_PROJECTION);
@@ -144,13 +143,27 @@ static void fgUpdateViewParams() {
     xglMatrixMode(GL_MODELVIEW);
     xglLoadIdentity();
     
-    /* set up our view volume */
+    /* set up our view volume (default) */
     gluLookAt(v->view_pos.x, v->view_pos.y, v->view_pos.z,
               v->view_pos.x + v->view_forward[0], 
               v->view_pos.y + v->view_forward[1], 
               v->view_pos.z + v->view_forward[2],
               v->view_up[0], v->view_up[1], v->view_up[2]);
 
+    /* lock view horizontally towards sun (testing) */
+    /* gluLookAt(v->view_pos.x, v->view_pos.y, v->view_pos.z,
+              v->view_pos.x + v->surface_to_sun[0], 
+              v->view_pos.y + v->surface_to_sun[1], 
+              v->view_pos.z + v->surface_to_sun[2],
+              v->view_up[0], v->view_up[1], v->view_up[2]); */
+
+    /* lock view horizontally towards south (testing) */
+    /* gluLookAt(v->view_pos.x, v->view_pos.y, v->view_pos.z,
+              v->view_pos.x + v->surface_south[0], 
+              v->view_pos.y + v->surface_south[1], 
+              v->view_pos.z + v->surface_south[2],
+              v->view_up[0], v->view_up[1], v->view_up[2]); */
+
     /* set the sun position */
     xglLightfv( GL_LIGHT0, GL_POSITION, l->sun_vec );
 
@@ -203,7 +216,7 @@ static void fgUpdateViewParams() {
  * Update all Visuals (redraws anything graphics related)
  **************************************************************************/
 
-static void fgUpdateVisuals( void ) {
+static void fgRenderFrame( void ) {
     struct fgLIGHT *l;
     struct fgTIME *t;
     struct fgVIEW *v;
@@ -502,7 +515,7 @@ static void fgMainLoop( void ) {
     fgAircraftOutputCurrent(a);
 
     /* redraw display */
-    fgUpdateVisuals();
+    fgRenderFrame();
 }
 
 
@@ -589,7 +602,7 @@ int main( int argc, char *argv[] ) {
       xglutIdleFunc( fgMainLoop );
 
       /* draw the scene */
-      xglutDisplayFunc( fgUpdateVisuals );
+      xglutDisplayFunc( fgRenderFrame );
 
       /* pass control off to the GLUT event handler */
       glutMainLoop();
@@ -607,9 +620,12 @@ int main( int argc, char *argv[] ) {
 
 
 /* $Log$
-/* Revision 1.37  1997/12/19 23:34:03  curt
-/* Lot's of tweaking with sky rendering and lighting.
+/* Revision 1.38  1997/12/22 04:14:28  curt
+/* Aligned sky with sun so dusk/dawn effects can be correct relative to the sun.
 /*
+ * Revision 1.37  1997/12/19 23:34:03  curt
+ * Lot's of tweaking with sky rendering and lighting.
+ *
  * Revision 1.36  1997/12/19 16:44:57  curt
  * Working on scene rendering order and options.
  *

diff --git a/Main/depend b/Main/depend
index 01b1374e7d94ff416ee08d53cd2ad246d40343e0..3ac3e76c5284726682ad70234d1d3b26f4dcbb66 100644 (file)
--- a/Main/depend
+++ b/Main/depend
@@ -1,44 +1,46 @@
 GLUTkey.o: GLUTkey.c ../XGL/xgl.h GLUTkey.h views.h ../Include/types.h \
  ../Flight/flight.h ../Flight/Slew/slew.h \
  ../Flight/LaRCsim/ls_interface.h ../Flight/LaRCsim/../flight.h \
- ../Math/mat3.h ../Include/constants.h ../Aircraft/aircraft.h \
- ../Aircraft/../Flight/flight.h ../Aircraft/../Controls/controls.h \
+ ../Math/mat3.h ../Time/fg_time.h ../Time/../Include/types.h \
+ ../Time/../Flight/flight.h ../Include/constants.h \
+ ../Aircraft/aircraft.h ../Aircraft/../Flight/flight.h \
+ ../Aircraft/../Controls/controls.h \
  ../Aircraft/../Controls/../Include/limits.h ../Weather/weather.h
 GLUTmain.o: GLUTmain.c ../XGL/xgl.h GLUTkey.h fg_init.h views.h \
  ../Include/types.h ../Flight/flight.h ../Flight/Slew/slew.h \
  ../Flight/LaRCsim/ls_interface.h ../Flight/LaRCsim/../flight.h \
- ../Math/mat3.h ../Include/constants.h ../Include/general.h \
- ../Aircraft/aircraft.h ../Aircraft/../Flight/flight.h \
- ../Aircraft/../Controls/controls.h \
+ ../Math/mat3.h ../Time/fg_time.h ../Time/../Include/types.h \
+ ../Time/../Flight/flight.h ../Include/constants.h \
+ ../Include/general.h ../Aircraft/aircraft.h \
+ ../Aircraft/../Flight/flight.h ../Aircraft/../Controls/controls.h \
  ../Aircraft/../Controls/../Include/limits.h ../Cockpit/cockpit.h \
  ../Cockpit/hud.h ../Cockpit/../Aircraft/aircraft.h \
  ../Cockpit/../Flight/flight.h ../Cockpit/../Controls/controls.h \
  ../Joystick/joystick.h ../Math/fg_geodesy.h ../Math/polar.h \
  ../Math/../Include/types.h ../Scenery/mesh.h ../Scenery/moon.h \
- ../Scenery/orbits.h ../Scenery/../Time/fg_time.h \
- ../Scenery/../Time/../Include/types.h \
- ../Scenery/../Time/../Flight/flight.h ../Scenery/scenery.h \
+ ../Scenery/orbits.h ../Scenery/../Time/fg_time.h ../Scenery/scenery.h \
  ../Scenery/../Include/types.h ../Scenery/sky.h ../Scenery/stars.h \
- ../Scenery/sun.h ../Time/fg_time.h ../Time/fg_timer.h \
- ../Time/sunpos.h ../Time/../Include/types.h ../Weather/weather.h
+ ../Scenery/sun.h ../Time/fg_timer.h ../Time/sunpos.h \
+ ../Weather/weather.h
 fg_init.o: fg_init.c fg_init.h views.h ../Include/types.h \
  ../Flight/flight.h ../Flight/Slew/slew.h \
  ../Flight/LaRCsim/ls_interface.h ../Flight/LaRCsim/../flight.h \
- ../Math/mat3.h ../Include/constants.h ../Include/general.h \
- ../Aircraft/aircraft.h ../Aircraft/../Flight/flight.h \
- ../Aircraft/../Controls/controls.h \
+ ../Math/mat3.h ../Time/fg_time.h ../Time/../Include/types.h \
+ ../Time/../Flight/flight.h ../Include/constants.h \
+ ../Include/general.h ../Aircraft/aircraft.h \
+ ../Aircraft/../Flight/flight.h ../Aircraft/../Controls/controls.h \
  ../Aircraft/../Controls/../Include/limits.h ../Cockpit/cockpit.h \
  ../Cockpit/hud.h ../Cockpit/../Aircraft/aircraft.h \
  ../Cockpit/../Flight/flight.h ../Cockpit/../Controls/controls.h \
  ../Joystick/joystick.h ../Math/fg_random.h ../Scenery/mesh.h \
  ../Scenery/moon.h ../Scenery/orbits.h ../Scenery/../Time/fg_time.h \
- ../Scenery/../Time/../Include/types.h \
- ../Scenery/../Time/../Flight/flight.h ../Scenery/scenery.h \
- ../Scenery/../Include/types.h ../Scenery/sky.h ../Scenery/stars.h \
- ../Scenery/sun.h ../Time/fg_time.h ../Time/sunpos.h \
- ../Time/../Include/types.h ../Weather/weather.h
+ ../Scenery/scenery.h ../Scenery/../Include/types.h ../Scenery/sky.h \
+ ../Scenery/stars.h ../Scenery/sun.h ../Time/sunpos.h \
+ ../Weather/weather.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 ../Include/constants.h \
- ../Math/polar.h ../Math/../Include/types.h ../Scenery/scenery.h \
+ ../Flight/LaRCsim/../flight.h ../Math/mat3.h ../Time/fg_time.h \
+ ../Time/../Include/types.h ../Time/../Flight/flight.h \
+ ../Include/constants.h ../Math/polar.h ../Math/../Include/types.h \
+ ../Math/vector.h ../Math/../Math/mat3.h ../Scenery/scenery.h \
  ../Scenery/../Include/types.h

diff --git a/Main/views.c b/Main/views.c
index c717648560911840af3abcd64252332053649920..30fd8a80d6e4d32e9a9e9fd73551a22cfc77cf53 100644 (file)
--- a/Main/views.c
+++ b/Main/views.c
@@ -31,7 +31,9 @@
 #include "../Flight/flight.h"
 #include "../Math/mat3.h"
 #include "../Math/polar.h"
+#include "../Math/vector.h"
 #include "../Scenery/scenery.h"
+#include "../Time/fg_time.h"
 
 
 /* This is a record containing current view parameters */
@@ -46,9 +48,10 @@ void fgViewInit(struct fgVIEW *v) {
 
 
 /* Update the view parameters */
-void fgViewUpdate(struct fgFLIGHT *f, struct fgVIEW *v) {
-    MAT3vec vec, forward;
+void fgViewUpdate(struct fgFLIGHT *f, struct fgVIEW *v, struct fgLIGHT *l) {
+    MAT3vec vec, forward, v0, minus_z;
     MAT3mat R, TMP, UP, LOCAL, VIEW;
+    double ntmp;
 
     /* calculate the cartesion coords of the current lat/lon/0 elev */
     v->cur_zero_elev = fgPolarToCart(FG_Longitude, FG_Lat_geocentric, 
@@ -67,6 +70,16 @@ void fgViewUpdate(struct fgFLIGHT *f, struct fgVIEW *v) {
     printf("View pos = %.4f, %.4f, %.4f\n", 
           v->view_pos.x, v->view_pos.y, v->view_pos.z);
 
+    /* make a vector to the current view position */
+    MAT3_SET_VEC(v0, v->view_pos.x, v->view_pos.y, v->view_pos.z);
+
+    /* calculate vector to sun's position on the earth's surface */
+    v->to_sun[0] = l->fg_sunpos.x - (v->view_pos.x + scenery.center.x);
+    v->to_sun[1] = l->fg_sunpos.y - (v->view_pos.y + scenery.center.y);
+    v->to_sun[2] = l->fg_sunpos.z - (v->view_pos.z + scenery.center.z);
+    printf("Vector to sun = %.2f %.2f %.2f\n", 
+          v->to_sun[0], v->to_sun[1], v->to_sun[2]);
+
     /* Derive the LOCAL aircraft rotation matrix (roll, pitch, yaw) */
     MAT3_SET_VEC(vec, 0.0, 0.0, 1.0);
     MAT3rotate(R, vec, FG_Phi);
@@ -136,13 +149,44 @@ void fgViewUpdate(struct fgFLIGHT *f, struct fgVIEW *v) {
     MAT3rotate(TMP, v->view_up, v->view_offset);
     MAT3mult_vec(v->view_forward, forward, TMP);
 
+    /* Given a vector from the view position to the point on the
+     * earth's surface the sun is directly over, map into onto the
+     * local plane representing "horizontal". */
+    map_vec_onto_cur_surface_plane(v->local_up, v0, v->to_sun, 
+                                  v->surface_to_sun);
+    MAT3_NORMALIZE_VEC(v->surface_to_sun, ntmp);
+    printf("Surface direction to sun is %.2f %.2f %.2f\n",
+          v->surface_to_sun[0], v->surface_to_sun[1], v->surface_to_sun[2]);
+
+    /* printf("Should be close to zero = %.2f\n", 
+          MAT3_DOT_PRODUCT(v->local_up, v->surface_to_sun)); */
+
+    /* Given a vector pointing straight down (-Z), map into onto the
+     * local plane representing "horizontal".  This should give us the
+     * local direction for moving "south". */
+    MAT3_SET_VEC(minus_z, 0.0, 0.0, -1.0);
+    map_vec_onto_cur_surface_plane(v->local_up, v0, minus_z, v->surface_south);
+    MAT3_NORMALIZE_VEC(v->surface_south, ntmp);
+    /* printf("Surface direction directly south %.2f %.2f %.2f\n",
+          v->surface_south[0], v->surface_south[1], v->surface_south[2]); */
+
+    /* now calculate the surface east vector */
+    MAT3rotate(TMP, v->view_up, FG_PI_2);
+    MAT3mult_vec(v->surface_east, v->surface_south, TMP);
+    /* printf("Surface direction directly east %.2f %.2f %.2f\n",
+          v->surface_east[0], v->surface_east[1], v->surface_east[2]); */
+    /* printf("Should be close to zero = %.2f\n", 
+          MAT3_DOT_PRODUCT(v->surface_south, v->surface_east)); */
 }
 
 
 /* $Log$
-/* Revision 1.5  1997/12/18 04:07:02  curt
-/* Worked on properly translating and positioning the sky dome.
+/* Revision 1.6  1997/12/22 04:14:32  curt
+/* Aligned sky with sun so dusk/dawn effects can be correct relative to the sun.
 /*
+ * Revision 1.5  1997/12/18 04:07:02  curt
+ * Worked on properly translating and positioning the sky dome.
+ *
  * Revision 1.4  1997/12/17 23:13:36  curt
  * Began working on rendering a sky.
  *

diff --git a/Main/views.h b/Main/views.h
index 9e5d6a053cf32e0d3bfb5eeac950f4c740bc469c..dd9bca1680d851260d658b3d9d71db447ff4bc2a 100644 (file)
--- a/Main/views.h
+++ b/Main/views.h
@@ -31,14 +31,47 @@
 #include "../Include/types.h"
 #include "../Flight/flight.h"
 #include "../Math/mat3.h"
+#include "../Time/fg_time.h"
 
 
 /* Define a structure containing view information */
 struct fgVIEW {
+    /* view position translated to scenery.center */
     struct fgCartesianPoint view_pos;
+
+    /* cartesion coordinates of current lon/lat if at sea level
+     * translated to scenery.center*/
     struct fgCartesianPoint cur_zero_elev;
-    MAT3vec local_up, view_up, view_forward;
-    double view_offset, goal_view_offset;
+
+    /* vector in cartesian coordinates from current position to the
+     * postion on the earth's surface the sun is directly over */
+    MAT3vec to_sun;
+    
+    /* surface direction to go to head towards sun */
+    MAT3vec surface_to_sun;
+
+    /* surface vector heading south */
+    MAT3vec surface_south;
+
+    /* surface vector heading east (used to unambiguously align sky with sun) */
+    MAT3vec surface_east;
+
+    /* local up vector (normal to the plane tangent to the earth's
+     * surface at the spot we are directly above */
+    MAT3vec local_up;
+
+    /* up vector for the view (usually point straight up through the
+     * top of the aircraft */
+    MAT3vec view_up;
+
+    /* the vector pointing straight out the nose of the aircraft */
+    MAT3vec view_forward;
+
+    /* the current offset from forward for viewing */
+    double view_offset;
+
+    /* the goal view offset for viewing (used for smooth view changes) */
+    double goal_view_offset;
 };
 
 
@@ -49,16 +82,19 @@ extern struct fgVIEW current_view;
 void fgViewInit(struct fgVIEW *v);
 
 /* Update the view parameters */
-void fgViewUpdate(struct fgFLIGHT *f, struct fgVIEW *v);
+void fgViewUpdate(struct fgFLIGHT *f, struct fgVIEW *v, struct fgLIGHT *l);
 
 
 #endif /* VIEWS_H */
 
 
 /* $Log$
-/* Revision 1.4  1997/12/17 23:13:36  curt
-/* Began working on rendering a sky.
+/* Revision 1.5  1997/12/22 04:14:32  curt
+/* Aligned sky with sun so dusk/dawn effects can be correct relative to the sun.
 /*
+ * Revision 1.4  1997/12/17 23:13:36  curt
+ * Began working on rendering a sky.
+ *
  * Revision 1.3  1997/12/15 23:54:51  curt
  * Add xgl wrappers for debugging.
  * Generate terrain normals on the fly.

diff --git a/Scenery/depend b/Scenery/depend
index 5c3cceec6ac2eac0481c946fb67bc774d0a3fdf6..aac38e4225fb14802a43bb1f9709ecde3a9c2294 100644 (file)
--- a/Scenery/depend
+++ b/Scenery/depend
@@ -5,8 +5,9 @@ astro.o: astro.c ../XGL/xgl.h astro.h stars.h moon.h orbits.h \
  ../Time/../Flight/LaRCsim/../flight.h planets.h sun.h \
  ../Include/constants.h ../Include/general.h ../Main/views.h \
  ../Main/../Include/types.h ../Main/../Flight/flight.h \
- ../Main/../Math/mat3.h ../Aircraft/aircraft.h \
- ../Aircraft/../Flight/flight.h ../Aircraft/../Controls/controls.h \
+ ../Main/../Math/mat3.h ../Main/../Time/fg_time.h \
+ ../Aircraft/aircraft.h ../Aircraft/../Flight/flight.h \
+ ../Aircraft/../Controls/controls.h \
  ../Aircraft/../Controls/../Include/limits.h
 common.o: common.c common.h
 geometry.o: geometry.c geometry.h mesh.h
@@ -19,7 +20,7 @@ moon.o: moon.c ../XGL/xgl.h orbits.h ../Time/fg_time.h \
  ../Time/../Flight/LaRCsim/ls_interface.h \
  ../Time/../Flight/LaRCsim/../flight.h moon.h ../Include/general.h \
  ../Main/views.h ../Main/../Include/types.h ../Main/../Flight/flight.h \
- ../Main/../Math/mat3.h
+ ../Main/../Math/mat3.h ../Main/../Time/fg_time.h
 obj.o: obj.c ../XGL/xgl.h obj.h scenery.h ../Include/types.h \
  ../Math/mat3.h
 orbits.o: orbits.c orbits.h ../Time/fg_time.h \
@@ -41,7 +42,8 @@ sky.o: sky.c ../XGL/xgl.h sky.h ../Time/fg_time.h \
  ../Aircraft/../Flight/flight.h ../Aircraft/../Controls/controls.h \
  ../Aircraft/../Controls/../Include/limits.h ../Flight/flight.h \
  ../Include/constants.h ../Main/views.h ../Main/../Include/types.h \
- ../Main/../Flight/flight.h ../Main/../Math/mat3.h ../Math/fg_random.h
+ ../Main/../Flight/flight.h ../Main/../Math/mat3.h \
+ ../Main/../Time/fg_time.h ../Math/fg_random.h
 stars.o: stars.c ../XGL/xgl.h orbits.h ../Time/fg_time.h \
  ../Time/../Include/types.h ../Time/../Flight/flight.h \
  ../Time/../Flight/Slew/slew.h \
@@ -51,10 +53,10 @@ stars.o: stars.c ../XGL/xgl.h orbits.h ../Time/fg_time.h \
  ../Aircraft/../Flight/flight.h ../Aircraft/../Controls/controls.h \
  ../Aircraft/../Controls/../Include/limits.h ../Main/views.h \
  ../Main/../Include/types.h ../Main/../Flight/flight.h \
- ../Main/../Math/mat3.h
+ ../Main/../Math/mat3.h ../Main/../Time/fg_time.h
 sun.o: sun.c ../XGL/xgl.h ../Time/fg_time.h ../Time/../Include/types.h \
  ../Time/../Flight/flight.h ../Time/../Flight/Slew/slew.h \
  ../Time/../Flight/LaRCsim/ls_interface.h \
  ../Time/../Flight/LaRCsim/../flight.h ../Main/views.h \
  ../Main/../Include/types.h ../Main/../Flight/flight.h \
- ../Main/../Math/mat3.h orbits.h sun.h
+ ../Main/../Math/mat3.h ../Main/../Time/fg_time.h orbits.h sun.h

diff --git a/Scenery/sky.c b/Scenery/sky.c
index a3844c0b76138c7dabfffe69593e461c9c77b042..662a33444e81d2a53c8c44827a3941ca5d86d00e 100644 (file)
--- a/Scenery/sky.c
+++ b/Scenery/sky.c
@@ -99,7 +99,7 @@ void fgSkyRender() {
     struct fgFLIGHT *f;
     struct fgLIGHT *l;
     struct fgVIEW *v;
-    float inner_color[4], middle_color[4], diff;
+    float inner_color[4], middle_color[4], diff, east_dot, dot, angle;
     int i;
 
     f = &current_aircraft.flight;
@@ -125,6 +125,25 @@ void fgSkyRender() {
 
     xglPushMatrix();
 
+    /* calculate the angle between v->surface_to_sun and
+     * v->surface_east.  We do this so we can sort out the acos()
+     * ambiguity.  I wish I could think of a more efficient way ... :-( */
+    east_dot = MAT3_DOT_PRODUCT(v->surface_to_sun, v->surface_east);
+    printf("  East dot product = %.2f\n", east_dot);
+
+    /* calculate the angle between v->surface_to_sun and
+     * v->surface_south.  this is how much we have to rotate the sky
+     * for it to align with the sun */
+    dot = MAT3_DOT_PRODUCT(v->surface_to_sun, v->surface_south);
+    printf("  Dot product = %.2f\n", dot);
+    if ( east_dot >= 0 ) {
+       angle = acos(dot);
+    } else {
+       angle = -acos(dot);
+    }
+    printf("  Sky needs to rotate = %.3f rads = %.1f degrees.\n", 
+          angle, angle * RAD_TO_DEG);
+
     /* Translate to view position */
     xglTranslatef( v->cur_zero_elev.x, v->cur_zero_elev.y, v->cur_zero_elev.z );
     /* printf("  Translated to %.2f %.2f %.2f\n", 
@@ -135,6 +154,7 @@ void fgSkyRender() {
           FG_Latitude * RAD_TO_DEG);
     xglRotatef( FG_Longitude * RAD_TO_DEG, 0.0, 0.0, 1.0 );
     xglRotatef( 90.0 - FG_Latitude * RAD_TO_DEG, 0.0, 1.0, 0.0 );
+    xglRotatef( angle * RAD_TO_DEG, 0.0, 0.0, 1.0 );
 
     /* Draw inner/center section of sky*/
     xglBegin( GL_TRIANGLE_FAN );
@@ -156,8 +176,10 @@ void fgSkyRender() {
        xglVertex3fv( sky_inner[i] );
     }
     xglColor4fv( middle_color );
+      xglColor4f(1.0, 0.0, 0.0, 1.0);
     xglVertex3fv( sky_middle[0] );
     xglColor4fv( inner_color );
+      xglColor4f(1.0, 0.0, 0.0, 1.0);
     xglVertex3fv( sky_inner[0] );
     xglEnd();
 
@@ -180,9 +202,12 @@ void fgSkyRender() {
 
 
 /* $Log$
-/* Revision 1.5  1997/12/19 23:34:59  curt
-/* Lot's of tweaking with sky rendering and lighting.
+/* Revision 1.6  1997/12/22 04:14:34  curt
+/* Aligned sky with sun so dusk/dawn effects can be correct relative to the sun.
 /*
+ * Revision 1.5  1997/12/19 23:34:59  curt
+ * Lot's of tweaking with sky rendering and lighting.
+ *
  * Revision 1.4  1997/12/19 16:45:02  curt
  * Working on scene rendering order and options.
  *

diff --git a/Time/depend b/Time/depend
index 20661a2b4f490bf8821b8ee0a223f93c47bd9c69..c51e503d2f29b4fd1d32d7481ebecd874ff53fd0 100644 (file)
--- a/Time/depend
+++ b/Time/depend
@@ -9,6 +9,6 @@ sunpos.o: sunpos.c sunpos.h ../Include/types.h fg_time.h \
  ../Flight/LaRCsim/ls_interface.h ../Flight/LaRCsim/../flight.h \
  ../Include/constants.h ../Main/views.h ../Main/../Include/types.h \
  ../Main/../Flight/flight.h ../Main/../Math/mat3.h \
- ../Math/fg_geodesy.h ../Math/mat3.h ../Math/polar.h \
- ../Math/../Include/types.h
+ ../Main/../Time/fg_time.h ../Math/fg_geodesy.h ../Math/mat3.h \
+ ../Math/polar.h ../Math/../Include/types.h
 ttest.o: ttest.c