"*count: 12 \n" \
"*ncolors: 64 \n" \
"*fpsSolid: true \n" \
+ "*ignoreRotation: True \n" \
+ "*lowrez: True \n" \
#define BRIGHT_COLORS
+# define release_grav 0
# define grav_handle_event 0
# include "xlockmore.h" /* in xscreensaver distribution */
#else /* STANDALONE */
#ifdef USE_MODULES
ModStruct grav_description =
-{"grav", "init_grav", "draw_grav", "release_grav",
- "refresh_grav", "init_grav", (char *) NULL, &grav_opts,
+{"grav", "init_grav", "draw_grav", (char *) NULL,
+ "refresh_grav", "init_grav", "free_grav", &grav_opts,
10000, -12, 1, 1, 64, 1.0, "",
"Shows orbiting planets", 0, NULL};
static void
init_planet(ModeInfo * mi, planetstruct * planet)
{
- Display *display = MI_DISPLAY(mi);
- Window window = MI_WINDOW(mi);
- GC gc = MI_GC(mi);
gravstruct *gp = &gravs[MI_SCREEN(mi)];
-# ifdef HAVE_COCOA
+# ifdef HAVE_JWXYZ
jwxyz_XSetAntiAliasing (MI_DISPLAY(mi), MI_GC(mi), False);
# endif
VEL(X) = FLOATRAND(-VR, VR);
VEL(Y) = FLOATRAND(-VR, VR);
VEL(Z) = FLOATRAND(-VR, VR);
-
- /* Draw planets */
- Planet(planet->xi, planet->yi);
}
static void
ENTRYPOINT void
init_grav(ModeInfo * mi)
{
- Display *display = MI_DISPLAY(mi);
- GC gc = MI_GC(mi);
unsigned char ball;
gravstruct *gp;
- if (gravs == NULL) {
- if ((gravs = (gravstruct *) calloc(MI_NUM_SCREENS(mi),
- sizeof (gravstruct))) == NULL)
- return;
- }
+ MI_INIT (mi, gravs);
gp = &gravs[MI_SCREEN(mi)];
gp->width = MI_WIDTH(mi);
gp->starcolor = MI_WHITE_PIXEL(mi);
for (ball = 0; ball < (unsigned char) gp->nplanets; ball++)
init_planet(mi, &gp->planets[ball]);
-
- /* Draw centrepoint */
- XDrawArc(display, MI_WINDOW(mi), gc,
- gp->width / 2 - gp->sr / 2, gp->height / 2 - gp->sr / 2, gp->sr, gp->sr,
- 0, 23040);
}
ENTRYPOINT void
if (gp->planets == NULL)
return;
+ if (!MI_IS_DRAWN(mi)) {
+ for (ball = 0; ball < (unsigned char) gp->nplanets; ball++) {
+ planetstruct *planet = &gp->planets[ball];
+
+ /* Draw planets */
+ Planet(planet->xi, planet->yi);
+ }
+
+ /* Draw centrepoint */
+ XDrawArc(display, MI_WINDOW(mi), gc,
+ gp->width / 2 - gp->sr / 2, gp->height / 2 - gp->sr / 2, gp->sr, gp->sr,
+ 0, 23040);
+ }
+
MI_IS_DRAWN(mi) = True;
/* Mask centrepoint */
XSetForeground(display, gc, MI_BLACK_PIXEL(mi));
}
ENTRYPOINT void
-release_grav(ModeInfo * mi)
+free_grav(ModeInfo * mi)
{
- if (gravs != NULL) {
- int screen;
-
- for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
- gravstruct *gp = &gravs[screen];
-
- if (gp->planets)
- (void) free((void *) gp->planets);
- }
- (void) free((void *) gravs);
- gravs = (gravstruct *) NULL;
- }
+ gravstruct *gp = &gravs[MI_SCREEN(mi)];
+ if (gp->planets)
+ (void) free((void *) gp->planets);
}
+#ifndef STANDALONE
ENTRYPOINT void
refresh_grav(ModeInfo * mi)
{
MI_CLEARWINDOW(mi);
}
+#endif
XSCREENSAVER_MODULE ("Grav", grav)