avg-core-ts/src/core/ticker.js

Develop Adventure Game (or ADV, Visual Novel, Galgame, etc.) on your own!

/**
 * @file        Container that provides transition functions
 * @author      MicroMatrix <yangpan.1985@bytedance.com>
 * @copyright   2012-2020 bytedance
 * @link        git@code.byted.org:yangpan.1985/avg.git
 */

const PIXI = require('pixi.js');

const settings = PIXI.settings;

/**
 * Shared Timer
 *
 * @export
 * @class Ticker
 * @extends {PIXI.ticker.Ticker}
 */
export default class Ticker extends PIXI.ticker.Ticker {
  constructor(...args) {
    super(...args);

    this.elapsedTime = 0;

    this.add(dt => {
      this.elapsedTime += dt / settings.TARGET_FPMS;
    });
  }
}