dist/lib/Utils.js

class Utils {
    /**
     * "Real" modulo (always >= 0), not remainder.
     */
    static mod(a, n) {
        return ((a % n) + n) % n;
    }
    /**
     * Return a random integer between min and max (upper bound is exclusive).
     */
    static randomInt(maxOrMin, max) {
        return (max)
            ? maxOrMin + Math.floor(Math.random() * (max - maxOrMin))
            : Math.floor(Math.random() * maxOrMin);
    }
    static randomFloat(maxOrMin, max) {
        return (max)
            ? maxOrMin + (Math.random() * (max - maxOrMin))
            : Math.random() * maxOrMin;
    }
    /**
     * Clamp a val to [min, max]
     */
    static clamp(val, min, max) {
        return Math.min(Math.max(min, val), max);
    }
    /**
     * Returns a promise that will resolve after the specified time
     * @param ms Number of ms to wait
     */
    static delay(ms) {
        return new Promise((resolve, reject) => {
            setTimeout(() => resolve(), ms);
        });
    }
    /**
     * Compatibility with iOS' SCNAction.wait()
     */
    static wait(duration, range = 0) {
        return this.delay(duration * 1000
            - range * 1000 / 2
            + this.randomInt(range * 1000));
    }
}