static void launch (int xlim, int ylim, int g)
{
struct projectile *p = get_projectile ();
int x, dx, xxx;
double red, green, blue;
if (! p) return;
do {
x = (myrand() % xlim);
dx = 30000 - (myrand() % 60000);
xxx = x + (dx * 200);
} while (xxx <= 0 || xxx >= xlim);
p->x = x;
p->y = ylim;
p->dx = dx;
p->size = 20000;
p->decay = 0;
p->dy = (myrand() % 10000) - 20000;
p->fuse = ((((myrand() % 500) + 100) * abs (p->dy / g)) / 1000);
p->primary = true;
hsv_to_rgb ((double)(myrand() % 360)/360.0, 1.0, 255.0, &red, &green, &blue);
//printf("New Projectile at (%d, %d), d(%d, %d), colour(%d,%d,%d)", x, ylim, dx, p->dy, (int)red, (int)green, (int)blue);
p->colour = D3DCOLOR_XRGB((int)red,(int)green,(int)blue);
return;
}
static struct projectile *shrapnel(struct projectile *parent)
{
struct projectile *p = get_projectile ();
if (! p) return 0;
p->x = parent->x;
p->y = parent->y;
p->dx = (myrand() % 5000) - 2500 + parent->dx;
p->dy = (myrand() % 5000) - 2500 + parent->dy;
p->decay = (myrand() % 50) - 60;
p->size = (parent->size * 2) / 3;
p->fuse = 0;
p->primary = false;
p->colour = parent->colour;
return p;
}
static void
launch (struct state *st,
int xlim, int ylim, int g)
{
struct projectile *p = get_projectile (st);
int x, dx, xxx;
if (! p) return;
do {
x = (random () % xlim);
dx = 30000 - (random () % 60000);
xxx = x + (dx * 200);
} while (xxx <= 0 || xxx >= xlim);
p->x = x;
p->y = ylim;
p->dx = dx;
p->size = 8000;
p->decay = 0;
p->dy = (random () % 4000) - 13000;
p->fuse = ((((random () % 500) + 500) * abs (p->dy / g)) / 1000);
p->primary = True;
/* cope with small windows -- those constants assume big windows. */
{
int dd = 1000000 / ylim;
if (dd > 1)
p->fuse /= dd;
}
if (! mono_p)
{
hsv_to_rgb (random () % 360, 1.0, 1.0,
&p->color.red, &p->color.green, &p->color.blue);
p->color.flags = DoRed | DoGreen | DoBlue;
if (!XAllocColor (st->dpy, st->cmap, &p->color))
{
p->color.pixel = WhitePixel (st->dpy, DefaultScreen (st->dpy));
p->color.red = p->color.green = p->color.blue = 0xFFFF;
}
}
}
static struct projectile *
shrapnel (struct state *st, struct projectile *parent)
{
struct projectile *p = get_projectile (st);
int v;
if (! p) return 0;
p->x = parent->x;
p->y = parent->y;
v=random () % PI_2000;
p->dx =(st->sin_cache[v]) + parent->dx;
p->dy =(st->cos_cache[v]) + parent->dy;
p->decay = (random () % 50) - 60;
p->size = (parent->size * 2) / 3;
p->fuse = 0;
p->primary = False;
p->color = parent->color;
if (! mono_p)
XAllocColor (st->dpy, st->cmap, &p->color); /* dup the lock */
return p;
}