the-world-engine/dist/esm/engine/time/Time.js

three.js based, unity like game engine for browser

export class Time {
    ai;
    _;
    mi;
    _i;
    li;
    ui;
    ni=1 / 3;
    constructor() {
        this.ai = 0;
        this._ = 0;
        this.mi = 0;
        this._i = 0;
        this.li = 0;
        this.ui = 1;
    }
    start() {
        this.ai = performance.now();
    }
    update() {
        const t = performance.now();
        let e = (t - this.ai) / 1e3;
        if (this.ni < e) {
            e = this.ni;
        }
        this.li = e;
        this.mi += e;
        this._i = e * this.ui;
        this._ += this._i;
        this.ai = t;
    }
    get time() {
        return this._;
    }
    get unscaledTime() {
        return this.mi;
    }
    get deltaTime() {
        return this._i;
    }
    get unscaledDeltaTime() {
        return this.li;
    }
    get timeScale() {
        return this.ui;
    }
    set timeScale(t) {
        this.ui = t;
    }
    get maximumDeltaTime() {
        return this.ni;
    }
    set maximumDeltaTime(t) {
        this.ni = t;
    }
}