void idle(void) {
if(reality_mode) {
static long oldtime = 0;
long newtime = get_time();
long dt = newtime - oldtime;
oldtime = newtime;
elevation += (double)dt*MULTIPLIER*ELEV_RATE*
(int)((double)(mousey - ae_window_width()/2)/5);
while(elevation > M_PI_2) {
elevation -= M_PI;
azimuth -= 2*M_PI;
}
while(elevation < -M_PI_2) {
elevation += M_PI;
azimuth += 2*M_PI;
}
azimuth += (double)dt*MULTIPLIER*AZI_RATE*
(int)((double)(mousex - ae_window_width()/2)/5);
while(azimuth > M_PI) azimuth -= 2.0*M_PI;
while(azimuth < -M_PI) azimuth += 2.0*M_PI;
if(action & ROLL) {
roll += (double)dt*MULTIPLIER*ROLL_RATE*
(int)((double)(mousex - ae_window_width()/2)/5);
while (roll > 2.0*M_PI) roll = roll - 4.0*M_PI;
if (compass_win_exists) {
glutSetWindow(compass_win);
glutPostRedisplay();
glutSetWindow(disp_win);
}
}
glutSetWindow(ae_win);
glutPostRedisplay();
glutSetWindow(disp_win);
recalc_view_and_up_from_AER();
really_look_at_it();
} else {
if (action & ROLL) {
roll_clockwise();
if (compass_win_exists) {
glutSetWindow(compass_win);
glutPostRedisplay();
glutSetWindow(disp_win);
}
}
}
if (action & ZOOM_IN)
zoom();
else if (action & ZOOM_OUT)
zoom();
if (action & SPIN)
do_spin();
glutSetWindow(disp_win);
glutPostRedisplay();
}
static void recalc_AE(int win_x, int win_y) {
/* from window coords */
azimuth = M_PI * (-1.0 + 2.0*(Real)win_x/(Real)ae_window_width());
while (azimuth > M_PI) azimuth -= 2.0*M_PI;
while (azimuth < -M_PI) azimuth += 2.0*M_PI;
elevation = (M_PI_2)*(1.0 - 2.0*(Real)win_y/(Real)ae_window_height());
while (elevation > M_PI_2) elevation -= M_PI;
while (elevation < -M_PI_2) elevation += M_PI;
}
static void recalc_AE(int win_x, int win_y) {
/* from window coords */
azimuth = M_PI * (-1.0 + 2.0*(Real)win_x/(Real)ae_window_width());
elevation = (M_PI_2)*(1.0 - 2.0*(Real)win_y/(Real)ae_window_height());
}
