// Gets node p, deletes all of its multiples (stops if p^2 is missing), and returns the next p
Node handleCandidate(Node p, FILE* f, int i) {
if (!p)
return NULL;
Node p2 = LL_next(p);
int isFirstThread = 0;
while (p2 && (isFirstThread || p2->num <= p->num * p->num)) {
if (p2->num == p->num * p->num) {
isFirstThread = 1;
fprintf(f, "Prime %d (by %d).\n", p->num, i);
}
// Delete if needed, move on either way.
if (p2->num % p->num == 0) {
fprintf(f, "%d\n", p2->num);
p2 = LL_remove(p2);
} else
p2 = LL_next(p2);
}
// Reached the end of the list
int res;
if (p2) {
res = release(p2->prev);
res = release(p2);
}
res = acquire(p->prev);
res = acquire(p);
p = LL_next(p);
return p;
}
void Proj_projectile_drawAll()
{
Iterator* it = LL_getIterator(projectiles);
while (LL_hasNext(it))
Proj_projectile_draw((Projectile*) LL_next(it));
free(it);
}
void Proj_projectile_updateAll()
{
Iterator* it = LL_getIterator(projectiles);
bool bulletHit;
while (LL_hasNext(it))
{
Projectile *proj = (Projectile*) LL_next(it);
Proj_projectile_update(proj);
bulletHit = false;
Iterator* enemyIt = LL_getIterator(enemies);
while (LL_hasNext(enemyIt)) {
Enemy *enem = (Enemy*) LL_next(enemyIt);
float x1 = proj->loc.x;
float y1 = proj->loc.y;
float x2 = enem->loc.x;
float y2 = enem->loc.y;
float distance = sqrt(pow(x1 - x2, 2) + pow(y1-y2, 2));
if (distance < 0.025) {
enem = (Enemy*) LL_removePrevious(enemyIt);
free(enem);
((Player*)(proj->owner))->score++;
bulletHit = true;
}
}
free(enemyIt);
if (!Proj_projectile_inBounds(proj) || bulletHit)
{
LL_removePrevious(it);
free(proj);
//proj->direction.x *= -1;
//proj->direction.y *= -1;
}
}
free(it);
}