问具有多个对象的A帧记分计数器

EN

var targets = querySelectorAll('a-box')`
for (var i = 0; i < targets.length; i++) {  // Add event listeners... }

<a-entity listener>
  <a-box data-raycastable></a-box>
  <a-box data-raycastable></a-box>
</a-entity>
<a-entity cursor="rayOrigin: mouse" raycaster="objects: [data-raycastable]"></a-entity>

AFRAME.registerComponent('listener', {
  init: function () {
    this.el.addEventListener('click', evt => {
      if (evt.target.dataset.wasClicked) { return; }
      // evt.target tells you which was clicked.
      evt.target.dataset.wasClicked = true;
      // Score up.
    });
  }
});