- int i = 0;
- float hfactor = KH*nrocks*7.5;
-
- rockhtimer += hfactor*gamerate/20;
- if(rockhtimer >= 1) {
- while(rockptr->active && i<MAXROCKS) {
- if(++rockptr - rock >= MAXROCKS) rockptr = rock;
- i++;
- }
- if(!rockptr->active) {
- rockhtimer -= 1;
- rockptr->dx = -5.0*(1.0 + rnd());
- rockptr->dy = rnd()-0.5;
- rockptr->type_number = random() % NROCKS;
- rockptr->image = surf_rock[rockptr->type_number];
- rockptr->shape = &rock_shapes[rockptr->type_number];
- rockptr->x = (float)XSIZE;
- rockptr->y = rnd()*(YSIZE + rockptr->image->h);
- rockptr->active = 1;
+ int i,j;
+ float ti[4];
+ float x, y;
+
+ rock_timer_increments(ti);
+
+ for(i=0; i<4; i++) {
+ rtimers[i] += ti[i]*gamerate/20;
+ if(rtimers[i] >= 1) {
+ j=0;
+ while(rockptr->active && j<MAXROCKS) {
+ if(++rockptr - rock >= MAXROCKS) rockptr = rock;
+ j++;
+ }
+ if(!rockptr->active) {
+ rtimers[i] -= 1;
+ rockptr->type_number = random() % NROCKS;
+ rockptr->image = surf_rock[rockptr->type_number];
+ rockptr->shape = &rock_shapes[rockptr->type_number];
+ switch(i) {
+ case RIGHT:
+ rockptr->x = XSIZE;
+ rockptr->y = rnd()*(YSIZE + rockptr->image->h);
+ break;
+ case LEFT:
+ rockptr->x = -rockptr->image->w;
+ rockptr->y = rnd()*(YSIZE + rockptr->image->h);
+ break;
+ case BOTTOM:
+ rockptr->x = rnd()*(XSIZE + rockptr->image->w);
+ rockptr->y = YSIZE;
+ break;
+ case TOP:
+ rockptr->x = rnd()*(XSIZE + rockptr->image->w);
+ rockptr->y = -rockptr->image->h;
+ break;
+ }
+
+ j=0;
+ do {
+ rockptr->dx = RDX*crnd();
+ rockptr->dy = RDY*crnd();
+ x = (rockptr->dx-screendx)*gamerate;
+ y = (rockptr->dy-screendy)*gamerate;
+ j++;
+ } while(x < -rockptr->image->w || x >= XSIZE
+ || y < -rockptr->image->h || y >= YSIZE);
+ if(j > 1) printf("had to try %d times.\n", j);
+
+ rockptr->active = 1;
+ }