double randomReal(double low, double high) {
double d, s;
initRandomSeed();
d = rand() / ((double) RAND_MAX + 1);
s = d * (high - low);
return low + s;
}
int randomInteger(int low, int high) {
double d, s;
initRandomSeed();
d = rand() / ((double) RAND_MAX + 1);
s = d * ((double) high - low + 1);
return (int) (floor(low + s));
}
/**
* Displays a title screen in an infinite loop. The intent is that this will be called from a
* pthread.
*/
void displayTitleScreen(WINDOW *window) {
initColors();
pthread_mutex_init(&mutex, NULL);
int maxX = 0;
int maxY = 0;
getmaxyx(window, maxY, maxX);
clear();
printFolly(maxX);
attron(COLOR_PAIR(WHITE_ON_BLACK));
mvprintw(14, (maxX - 44)/2, "Press ENTER to continue...");
attroff(COLOR_PAIR(WHITE_ON_BLACK));
move(0, 0);
refresh();
usleep(100000);
unsigned int randomSeed = (unsigned int)time(NULL);
initRandomSeed(randomSeed);
int *arg = malloc(sizeof(*arg));
*arg = maxX;
pthread_create(&ellipsisThread, NULL, cycleEllipsis, arg);
pthread_create(&wanderThread, NULL, cycleWander, arg);
while (1) {
pthread_mutex_lock(&mutex);
move(0, 0);
refresh();
pthread_mutex_unlock(&mutex);
usleep(10000);
}
}
void setRandomSeed(int seed) {
initRandomSeed();
srand(seed);
}
bool randomChance(double p) {
initRandomSeed();
return randomReal(0, 1) < p;
}