static void
rock_tick ( Window win, arock *arocks, int d)
{
rockstruct *rp = &rocks[screen];
if (arocks->depth > 0) {
rock_draw(win, arocks, False);
arocks->depth -= rp->speed;
if (rp->rotate_p)
arocks->theta = (arocks->theta + d) % RESOLUTION;
while (arocks->theta < 0)
arocks->theta += RESOLUTION;
if (arocks->depth < (MIN_DEPTH * DEPTH_SCALE))
arocks->depth = 0;
else {
rock_compute(arocks);
rock_draw(win, arocks, True);
}
} else if ((LRAND() % 40) == 0)
rock_reset(win, arocks);
}
static void
rock_tick (struct state *st, struct rock *rock, int d)
{
if (rock->depth > 0)
{
rock_draw (st, rock, False);
rock->depth -= st->speed;
if (st->rotate_p)
{
rock->theta = (rock->theta + d) % SIN_RESOLUTION;
}
while (rock->theta < 0)
rock->theta += SIN_RESOLUTION;
if (rock->depth < (MIN_DEPTH * DEPTH_SCALE))
rock->depth = 0;
else
{
rock_compute (st, rock);
rock_draw (st, rock, True);
}
}
else if ((random () % 40) == 0)
rock_reset (st, rock);
}
