*
*/
-#include <X11/Intrinsic.h>
#include "boxed.h"
/*
*/
#ifdef STANDALONE
-# define PROGCLASS "boxed"
-# define HACK_INIT init_boxed
-# define HACK_DRAW draw_boxed
-# define HACK_RESHAPE reshape_boxed
-# define boxed_opts xlockmore_opts
-
-# define DEF_SPEED "0.5"
-# define DEF_BALLS "25"
-# define DEF_BALLSIZE "2.0"
-# define DEF_EXPLOSION "25.0f"
# define DEFAULTS "*delay: 20000 \n" \
"*showFPS: False \n" \
"*wireframe: False \n"
+# define refresh_boxed 0
+# define boxed_handle_event 0
# include "xlockmore.h" /* from the xscreensaver distribution */
#else /* !STANDALONE */
# include "xlock.h" /* from the xlockmore distribution */
#endif /* !STANDALONE */
#ifdef USE_GL
-#include <GL/glu.h>
+
+# define DEF_SPEED "0.5"
+# define DEF_BALLS "25"
+# define DEF_BALLSIZE "2.0"
+# define DEF_EXPLOSION "15.0"
+# define DEF_DECAY "0.1"
#undef countof
#define countof(x) (int)(sizeof((x))/sizeof((*x)))
#undef rnd
#define rnd() (frand(1.0))
-GLfloat speed; /* jwz -- overall speed factor applied to all motion */
-int cfg_balls;
-GLfloat cfg_ballsize;
-GLfloat cfg_explosion;
+static GLfloat speed; /* jwz -- overall speed factor applied to all motion */
+static int cfg_balls;
+static GLfloat cfg_ballsize;
+static GLfloat cfg_explosion;
+static GLfloat cfg_decay;
static XrmOptionDescRec opts[] = {
{"-balls", ".boxed.balls", XrmoptionSepArg, 0},
{"-ballsize", ".boxed.ballsize", XrmoptionSepArg, 0},
{"-explosion", ".boxed.explosion", XrmoptionSepArg, 0},
+ {"-decay", ".boxed.decay", XrmoptionSepArg, 0},
};
static argtype vars[] = {
{&speed, "speed", "Speed", DEF_SPEED, t_Float},
{&cfg_balls, "balls", "Balls", DEF_BALLS, t_Int},
{&cfg_ballsize, "ballsize", "Ball Size", DEF_BALLSIZE, t_Float},
- {&cfg_explosion, "explosion", "Exlosion", DEF_BALLSIZE, t_Float},
+ {&cfg_explosion, "explosion", "Explosion", DEF_EXPLOSION, t_Float},
+ {&cfg_decay, "decay", "Explosion Decay", DEF_DECAY, t_Float},
};
-ModeSpecOpt boxed_opts = {countof(opts), opts, countof(vars), vars, NULL};
+ENTRYPOINT ModeSpecOpt boxed_opts = {countof(opts), opts, countof(vars), vars, NULL};
#ifdef USE_MODULES
vectorf loc;
vectorf dir;
BOOL far;
+ BOOL gone;
} tri;
typedef struct {
int lifetime;
float scalefac;
float explosion;
+ float decay;
vectorf color;
tri *tris;
GLint *indices;
int numballs;
float ballsize;
float explosion;
+ float decay;
BOOL textures;
BOOL transparent;
float camspeed;
* Input:
*/
-static void generatesphere(void)
+static void generatesphere(boxedstruct *gp)
{
float dj = M_PI/(MESH_SIZE+1.0f);
float di = M_PI/MESH_SIZE;
* vertices 0 and 1 are the north and south poles
*/
- spherei = boxed->spherei;
- spherev = boxed->spherev;
+ spherei = gp->spherei;
+ spherev = gp->spherev;
spherev[0].x = 0.0f; spherev[0].y =1.0f; spherev[0].z = 0.0f;
spherev[1].x = 0.0f; spherev[1].y =-1.0f; spherev[1].z = 0.0f;
* create fresh ball
*/
-void createball(ball *newball)
+static void createball(ball *newball)
{
float r=0.0f,g=0.0f,b=0.0f;
newball->loc.x = 5-10*rnd();
/* Update position of each ball */
-void updateballs(ballman *bman)
+static void updateballs(ballman *bman)
{
register int b,j;
vectorf dvect,richting,relspeed,influence;
* explode ball into triangles
*/
-void createtrisfromball(triman* tman, vectorf *spherev, GLint *spherei, int ind_num, ball *b)
+static void createtrisfromball(triman* tman, vectorf *spherev, GLint *spherei, int ind_num, ball *b)
{
int pos;
float explosion;
for (i=0; i<(tman->num_tri); i++) {
tman->tris[i].far = FALSE;
+ tman->tris[i].gone = FALSE;
pos = i * 3;
/* kopieer elke poly apart naar een tri structure */
copyvector(&tman->vertices[pos+0],&spherev[spherei[pos+0]]);
* update position of each tri
*/
-void updatetris(triman *t)
+static void updatetris(triman *t)
{
int b;
GLfloat xd,zd;
for (b=0;b<t->num_tri;b++) {
+ /* the exploded triangles disappear over time */
+ if (rnd() < t->decay) { t->tris[b].gone = TRUE; }
/* apply gravity */
t->tris[b].dir.y -= (0.1f * speed);
/* apply movement */
/*
* free memory allocated by a tri manager
*/
-void freetris(triman *t)
+static void freetris(triman *t)
{
if (!t) return;
if (t->tris) free(t->tris);
/*
*load defaults in config structure
*/
-void setdefaultconfig(boxed_config *config)
+static void setdefaultconfig(boxed_config *config)
{
cfg_balls = MAX(3,MIN(40,cfg_balls));
cfg_ballsize = MAX(1.0f,MIN(5.0f,cfg_ballsize));
cfg_explosion = MAX(0.0f,MIN(50.0f,cfg_explosion));
+ cfg_decay = MAX(0.0f,MIN(1.0f,cfg_decay));
+
config->numballs = cfg_balls;
config->textures = TRUE;
config->transparent = FALSE;
config->explosion = cfg_explosion;
+ config->decay = cfg_decay;
config->ballsize = cfg_ballsize;
config->camspeed = 35.0f;
}
glMaterialfv(GL_FRONT, GL_EMISSION,col);
for (i=0; i<t->num_tri; i++) {
+ if (t->tris[i].gone == TRUE) { continue; }
pos = i*3;
glPushMatrix();
glTranslatef(t->tris[i].loc.x,t->tris[i].loc.y,t->tris[i].loc.z);
/*
* draw floor pattern
*/
-static void drawpattern(boxedstruct *boxed)
+static void drawpattern(boxedstruct *gp)
{
- if (!boxed->gllists[GLL_PATTERN]) {
- glNewList(boxed->listobjects + GLL_PATTERN, GL_COMPILE);
+ if (!gp->gllists[GLL_PATTERN]) {
+ glNewList(gp->listobjects + GLL_PATTERN, GL_COMPILE);
glBegin(GL_LINE_STRIP);
glVertex3f(-25.0f, 0.0f, 35.0f);
glEnd();
glEndList();
- boxed->gllists[GLL_PATTERN] = 1;
+ gp->gllists[GLL_PATTERN] = 1;
} else {
- glCallList(boxed->listobjects + GLL_PATTERN);
+ glCallList(gp->listobjects + GLL_PATTERN);
}
}
/*
* new window size or exposure
*/
-void reshape_boxed(ModeInfo *mi, int width, int height)
+ENTRYPOINT void reshape_boxed(ModeInfo *mi, int width, int height)
{
GLfloat h = (GLfloat) height / (GLfloat) width;
for(i=0;i<bman->num_balls;i++) {
gp->tman[i].explosion = (float) (((int)gp->config.explosion) / 15.0f );
+ gp->tman[i].decay = gp->config.decay;
gp->tman[i].vertices = NULL;
gp->tman[i].normals = NULL;
gp->tman[i].tris = NULL;
bman->balls[i].loc.y *= rnd();
}
- generatesphere();
+ generatesphere(gp);
if (!wire) {
glEnable(GL_CULL_FACE);
-void
+ENTRYPOINT void
init_boxed(ModeInfo * mi)
{
int screen = MI_SCREEN(mi);
}
-void
+ENTRYPOINT void
draw_boxed(ModeInfo * mi)
{
boxedstruct *gp = &boxed[MI_SCREEN(mi)];
glXSwapBuffers(display, window);
}
-void
+ENTRYPOINT void
release_boxed(ModeInfo * mi)
{
int i;
}
+XSCREENSAVER_MODULE ("Boxed", boxed)
+
/*********************************************************/
#endif
projects / xscreensaver / blobdiff