Class TimeKeeper

src/scripting/api/Runtime/Timer.ts:226–242

   * costs.
   */
  export class TimeKeeper {
    private _clock:Function;
    private _lastTime:number;

    constructor(clock:Function = () => Date.now()) {
      this._clock = clock;
      this.reset();
    }

    get elapsed():number {
      return this._clock() - this._lastTime;
    }

    public reset():void {
      this._lastTime = this._clock();
    }
  }

  /** Timer Related Items**/