ENTRYPOINT void
init_cube (ModeInfo *mi)
{
int i;
cube_configuration *cc;
MI_INIT (mi, ccs);
cc = &ccs[MI_SCREEN(mi)];
if ((cc->glx_context = init_GL(mi)) != NULL) {
reshape_cube (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
}
cc->trackball = gltrackball_init (False);
cc->ncolors = 256;
cc->colors = (XColor *) calloc(cc->ncolors, sizeof(XColor));
reset_colors (mi);
init_wave (mi);
cc->ncubes = MI_COUNT (mi);
if (cc->ncubes < 1) cc->ncubes = 1;
cc->cubes = (cube *) calloc (sizeof(cube), cc->ncubes);
for (i = 0; i < cc->ncubes; i++)
{
/* Set the size to roughly cover a 2x2 square on average. */
GLfloat scale = 1.8 / sqrt (cc->ncubes);
cube *cube = &cc->cubes[i];
double th = -(skew ? frand(skew) : 0) * M_PI / 180;
cube->x = (frand(1)-0.5);
cube->y = (frand(1)-0.5);
cube->z = frand(0.12);
cube->cth = cos(th);
cube->sth = sin(th);
cube->w = scale * (frand(1) + 0.2);
cube->d = scale * (frand(1) + 0.2);
if (cube->x < cc->min_x) cc->min_x = cube->x;
if (cube->y < cc->min_y) cc->min_y = cube->y;
if (cube->x > cc->max_x) cc->max_x = cube->x;
if (cube->y > cc->max_y) cc->max_y = cube->y;
}
/* Sorting by depth improves frame rate slightly. With 6000 polygons we get:
3.9 FPS unsorted;
3.1 FPS back to front;
4.3 FPS front to back.
*/
qsort (cc->cubes, cc->ncubes, sizeof(*cc->cubes), cmp_cubes);
}
ENTRYPOINT void
init_cube (ModeInfo *mi)
{
cube_configuration *bp;
int wire = MI_IS_WIREFRAME(mi);
int i;
if (!bps) {
bps = (cube_configuration *)
calloc (MI_NUM_SCREENS(mi), sizeof (cube_configuration));
if (!bps) {
fprintf(stderr, "%s: out of memory\n", progname);
exit(1);
}
}
# ifdef HAVE_JWZGLES
dbuf_p = True;
# endif
bp = &bps[MI_SCREEN(mi)];
bp->glx_context = init_GL(mi);
if (MI_COUNT(mi) <= 0) MI_COUNT(mi) = 1;
bp->trackball = gltrackball_init ();
bp->subcubes = (subcube *) calloc (MI_COUNT(mi), sizeof(subcube));
for (i = 0; i < MI_COUNT(mi); i++)
{
double wander_speed, spin_speed, spin_accel;
if (i == 0)
{
wander_speed = 0.05 * speed;
spin_speed = 10.0 * speed;
spin_accel = 4.0 * speed;
}
else
{
wander_speed = 0;
spin_speed = 4.0 * speed;
spin_accel = 2.0 * speed;
}
bp->subcubes[i].rot = make_rotator (do_spin ? spin_speed : 0,
do_spin ? spin_speed : 0,
do_spin ? spin_speed : 0,
spin_accel,
do_wander ? wander_speed : 0,
True);
}
bp->colors = 0;
new_cube_colors (mi);
reshape_cube (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
if (!wire)
{
GLfloat pos[4] = {1.0, 1.0, 1.0, 0.0};
GLfloat amb[4] = {0.0, 0.0, 0.0, 1.0};
GLfloat dif[4] = {1.0, 1.0, 1.0, 1.0};
GLfloat spc[4] = {0.0, 1.0, 1.0, 1.0};
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
glLightfv(GL_LIGHT0, GL_POSITION, pos);
glLightfv(GL_LIGHT0, GL_AMBIENT, amb);
glLightfv(GL_LIGHT0, GL_DIFFUSE, dif);
glLightfv(GL_LIGHT0, GL_SPECULAR, spc);
}
bp->cube_list = glGenLists (1);
glNewList (bp->cube_list, GL_COMPILE);
draw_faces (mi);
glEndList ();
glDrawBuffer(dbuf_p ? GL_BACK : GL_FRONT);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
ENTRYPOINT void
init_cube (ModeInfo *mi)
{
cube_configuration *bp;
int wire = MI_IS_WIREFRAME(mi);
MI_INIT (mi, bps);
bp = &bps[MI_SCREEN(mi)];
bp->glx_context = init_GL(mi);
reshape_cube (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
if (!wire && !do_flat)
{
GLfloat color[4] = {1, 1, 1, 1};
GLfloat cspec[4] = {1, 1, 0, 1};
static const GLfloat shiny = 30;
static GLfloat pos0[4] = { 0.5, -1, -0.5, 0};
static GLfloat pos1[4] = {-0.75, -1, 0, 0};
static GLfloat amb[4] = {0, 0, 0, 1};
static GLfloat dif[4] = {1, 1, 1, 1};
static GLfloat spc[4] = {1, 1, 1, 1};
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_LIGHT1);
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
glLightfv(GL_LIGHT0, GL_POSITION, pos0);
glLightfv(GL_LIGHT0, GL_AMBIENT, amb);
glLightfv(GL_LIGHT0, GL_DIFFUSE, dif);
glLightfv(GL_LIGHT0, GL_SPECULAR, spc);
glLightfv(GL_LIGHT1, GL_POSITION, pos1);
glLightfv(GL_LIGHT1, GL_AMBIENT, amb);
glLightfv(GL_LIGHT1, GL_DIFFUSE, dif);
glLightfv(GL_LIGHT1, GL_SPECULAR, spc);
glMaterialfv (GL_FRONT, GL_AMBIENT_AND_DIFFUSE, color);
glMaterialfv (GL_FRONT, GL_SPECULAR, cspec);
glMateriali (GL_FRONT, GL_SHININESS, shiny);
}
{
double spin_speed = 0.05;
double wander_speed = 0.005;
double spin_accel = 1.0;
bp->rot = make_rotator (do_spin ? spin_speed : 0,
do_spin ? spin_speed : 0,
do_spin ? spin_speed : 0,
spin_accel,
do_wander ? wander_speed : 0,
True);
bp->trackball = gltrackball_init (True);
}
if (thickness > 0.5)
thickness = 0.5;
if (displacement > 0.5)
displacement = 0.5;
if (thickness <= 0.0001)
{
if (random() & 1)
{
thickness = 0.03 + frand(0.02);
displacement = (random() & 1) ? 0 : (thickness / 3);
}
else
{
thickness = 0.001 + frand(0.02);
displacement = 0;
}
}
make_cubes (mi);
}
ENTRYPOINT void
init_cube (ModeInfo *mi)
{
cube_configuration *bp;
int wire = MI_IS_WIREFRAME(mi);
int i;
if (!bps) {
bps = (cube_configuration *)
calloc (MI_NUM_SCREENS(mi), sizeof (cube_configuration));
if (!bps) {
fprintf(stderr, "%s: out of memory\n", progname);
exit(1);
}
}
bp = &bps[MI_SCREEN(mi)];
bp->glx_context = init_GL(mi);
reshape_cube (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
glShadeModel(GL_SMOOTH);
glEnable(GL_DEPTH_TEST);
glEnable(GL_NORMALIZE);
glEnable(GL_CULL_FACE);
if (!wire)
{
GLfloat pos[4] = {0.7, 0.2, 0.4, 0.0};
/* GLfloat amb[4] = {0.0, 0.0, 0.0, 1.0};*/
GLfloat amb[4] = {0.2, 0.2, 0.2, 1.0};
GLfloat dif[4] = {1.0, 1.0, 1.0, 1.0};
GLfloat spc[4] = {1.0, 1.0, 1.0, 1.0};
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
glLightfv(GL_LIGHT0, GL_POSITION, pos);
glLightfv(GL_LIGHT0, GL_AMBIENT, amb);
glLightfv(GL_LIGHT0, GL_DIFFUSE, dif);
glLightfv(GL_LIGHT0, GL_SPECULAR, spc);
}
bp->trackball = gltrackball_init ();
bp->dlists = (GLuint *) calloc (countof(all_objs)+2, sizeof(GLuint));
for (i = 0; i < countof(all_objs)+1; i++)
bp->dlists[i] = glGenLists (1);
for (i = 0; i < countof(all_objs); i++)
{
const struct gllist *gll = *all_objs[i];
glNewList (bp->dlists[i], GL_COMPILE);
renderList (gll, wire);
glEndList ();
}
glNewList (bp->dlists[i], GL_COMPILE);
bp->cube_polys = build_cube (mi);
glEndList ();
bp->nfloaters = MI_COUNT (mi);
bp->floaters = (floater *) calloc (bp->nfloaters, sizeof (floater));
for (i = 0; i < bp->nfloaters; i++)
{
floater *f = &bp->floaters[i];
double spin_speed = do_spin ? 0.7 : 10;
double wander_speed = do_wander ? 0.02 : 0.05 * speed * SPEED_SCALE;
double spin_accel = 0.5;
f->rot = make_rotator (spin_speed, spin_speed, spin_speed,
spin_accel,
wander_speed,
True);
if (bp->nfloaters == 2)
{
f->x = (i ? 2 : -2);
}
else if (i != 0)
{
double th = (i - 1) * M_PI*2 / (bp->nfloaters-1);
double r = 3;
f->x = r * cos(th);
f->z = r * sin(th);
}
f->ix = f->x;
f->iy = f->y;
f->iz = f->z;
reset_floater (mi, f);
}
}
