Method _initialize

src/core/core.controller.js:236–252

* @private

()

	 * @private
	 */
  _initialize() {
    // Before init plugin notification
    this.notifyPlugins('beforeInit');

    if (this.options.responsive) {
      this.resize();
    } else {
      retinaScale(this, this.options.devicePixelRatio);
    }

    this.bindEvents();

    // After init plugin notification
    this.notifyPlugins('afterInit');

    return this;
  }

  clear() {
    clearCanvas(this.canvas, this.ctx);