Method dispatchEvent

src/node/node.js:293–338

(event)

  }

  dispatchEvent(event) {
    if(!(event instanceof SpriteEvent)) {
      event = new SpriteEvent(event);
    }
    event.target = this;
    let type = event.type;
    if(type === 'mousewheel') type = 'wheel';

    const elements = [this];
    let parent = this.parent;
    while(event.bubbles && parent) {
      elements.push(parent);
      parent = parent.parent;
    }

    // capture phase
    for(let i = elements.length - 1; i >= 0; i--) {
      const element = elements[i];
      const listeners = element[_captureEventListeners] && element[_captureEventListeners][type];
      if(listeners && listeners.length) {
        event.currentTarget = element;
        listeners.forEach(({listener, once}) => {
          listener.call(this, event);
          if(once) elements.removeEventListener(listener);
        });
        delete event.currentTarget;
      }
      if(!event.bubbles && event.cancelBubble) break;
    }
    // bubbling
    if(!event.cancelBubble) {
      for(let i = 0; i < elements.length; i++) {
        const element = elements[i];
        const listeners = element[_eventListeners] && element[_eventListeners][type];
        if(listeners && listeners.length) {
          event.currentTarget = element;
          listeners.forEach(({listener, once}) => {
            listener.call(this, event);
            if(once) elements.removeEventListener(listener);
          });
          delete event.currentTarget;
        }
        if(!event.bubbles || event.cancelBubble) break;
      }
    }
  }

  dispatchPointerEvent(event) {
    const {layerX: x, layerY: y} = event;