ENTRYPOINT void
init_ball (ModeInfo *mi)
{
ball_configuration *bp;
int wire = MI_IS_WIREFRAME(mi);
MI_INIT (mi, bps);
bp = &bps[MI_SCREEN(mi)];
bp->glx_context = init_GL(mi);
reshape_ball (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);
}
{
double spin_speed = 10.0;
double wander_speed = 0.12;
double spin_accel = 2.0;
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);
}
bp->ncolors = 128;
bp->colors = (XColor *) calloc(bp->ncolors, sizeof(XColor));
make_smooth_colormap (0, 0, 0,
bp->colors, &bp->ncolors,
False, 0, False);
bp->spikes = (int *) calloc(MI_COUNT(mi), sizeof(*bp->spikes) * 2);
bp->ball_list = glGenLists (1);
bp->spike_list = glGenLists (1);
glNewList (bp->ball_list, GL_COMPILE);
unit_sphere (SPHERE_STACKS, SPHERE_SLICES, wire);
glEndList ();
glNewList (bp->spike_list, GL_COMPILE);
cone (0, 0, 0,
0, 1, 0,
1, 0, SPIKE_FACES, SMOOTH_SPIKES, False, wire);
glEndList ();
randomize_spikes (mi);
}
ENTRYPOINT void
init_ball (ModeInfo *mi)
{
ball_configuration *bp;
int wire = MI_IS_WIREFRAME(mi);
MI_INIT (mi, bps);
bp = &bps[MI_SCREEN(mi)];
bp->glx_context = init_GL(mi);
if (! wire)
build_texture (mi);
reshape_ball (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
bp->th = 180 - frand(360);
if (MI_COUNT(mi) < 10)
MI_COUNT(mi) = 10;
if (MI_COUNT(mi) > 200)
MI_COUNT(mi) = 200;
{
double spin_speed = 0.1;
double wander_speed = 0.003;
double spin_accel = 1;
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,
False);
bp->trackball = gltrackball_init (True);
}
build_ball (mi);
if (!wire)
{
GLfloat color[4] = {0.5, 0.5, 0.5, 1};
GLfloat cspec[4] = {1, 1, 1, 1};
static const GLfloat shiny = 10;
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);
color[0] += frand(0.2);
color[1] += frand(0.2);
color[2] += frand(0.2);
cspec[0] -= frand(0.2);
cspec[1] -= frand(0.2);
cspec[2] -= frand(0.2);
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);
}
}
ENTRYPOINT void
init_ball (ModeInfo *mi)
{
int wire = MI_IS_WIREFRAME(mi);
blinkboxstruct *bp;
if(blinkbox == NULL) {
if((blinkbox = (blinkboxstruct *) calloc(MI_NUM_SCREENS(mi),
sizeof (blinkboxstruct))) == NULL)
return;
}
bp = &blinkbox[MI_SCREEN(mi)];
if ((bp->glx_context = init_GL(mi)) != NULL) {
reshape_ball(mi, MI_WIDTH(mi), MI_HEIGHT(mi));
glDrawBuffer(GL_BACK);
}
else
MI_CLEARWINDOW(mi);
bp->ball.d = 1;
bp->bscale.wh = bscale_wh;
bp->bscale.d = 0.25;
bp->mo.x = 1;
bp->mo.y = 1;
bp->mo.z = 1;
bp->moh.x = -1.0;
bp->moh.y = -1.5;
bp->moh.z = -1.5;
bp->bpos.x = 1;
bp->bpos.y = 1;
bp->bpos.z = 1;
bp->des_amt = 1;
bp->lside.counter = MAX_COUNT;
bp->rside.counter = MAX_COUNT;
bp->tside.counter = MAX_COUNT;
bp->bside.counter = MAX_COUNT;
bp->fside.counter = MAX_COUNT;
bp->aside.counter = MAX_COUNT;
bp->lside.color[0] = 1;
bp->rside.color[1] = 1;
bp->tside.color[2] = 1;
bp->bside.color[0] = 1;
bp->bside.color[1] = 0.5;
bp->fside.color[0] = 1;
bp->fside.color[1] = 1;
bp->aside.color[0] = 0.5;
bp->aside.color[2] = 1;
bp->lside.rot[0] = 90;
bp->rside.rot[0] = 90;
bp->tside.rot[0] = 90;
bp->bside.rot[0] = 90;
bp->fside.rot[0] = 90;
bp->aside.rot[0] = 90;
bp->lside.rot[2] = 1;
bp->rside.rot[2] = 1;
bp->tside.rot[1] = 1;
bp->bside.rot[1] = 1;
bp->fside.rot[3] = 1;
bp->aside.rot[3] = 1;
bp->lside.des_count = 1;
bp->rside.des_count = 1;
bp->tside.des_count = 1;
bp->bside.des_count = 1;
bp->fside.des_count = 1;
bp->aside.des_count = 1;
bp->lside.alpha_count = 1;
bp->rside.alpha_count = 1;
bp->tside.alpha_count = 1;
bp->bside.alpha_count = 1;
bp->fside.alpha_count = 1;
bp->aside.alpha_count = 1;
#define SPHERE_SLICES 12 /* how densely to render spheres */
#define SPHERE_STACKS 16
bp->sp = malloc(sizeof(*bp->sp));
if(bp->sp == NULL){
fprintf(stderr,"Could not allocate memory\n");
exit(1);
}
if( (bp->bscale.wh < 1) ||
(bp->bscale.wh > 8) ) {
fprintf(stderr,"Boxsize out of range. Using default\n");
bp->bscale.wh = 2;
}
if (do_dissolve){
bp->des_amt = bp->bscale.wh / MAX_COUNT;
}
reshape_ball(mi, MI_WIDTH(mi), MI_HEIGHT(mi));
bp->ballList = glGenLists(1);
glNewList(bp->ballList, GL_COMPILE);
unit_sphere (SPHERE_STACKS, SPHERE_SLICES, wire);
glEndList ();
bp->boxList = glGenLists(1);
glNewList(bp->boxList, GL_COMPILE);
unit_cube(wire);
glEndList();
if (wire) return;
glEnable(GL_COLOR_MATERIAL);
glShadeModel(GL_SMOOTH);
glClearDepth(1.0f);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glEnable(GL_LIGHTING);
glClearDepth(1);
glLightfv(GL_LIGHT1, GL_DIFFUSE, LightDiffuse);
glLightfv(GL_LIGHT1, GL_POSITION,LightPosition);
glEnable(GL_LIGHT1);
if (do_fade || do_blur) {
glEnable(GL_BLEND);
glDisable(GL_DEPTH_TEST);
}
}
