WXDemo/miniprogram/pages/template/xr-template-loading/index.js

var sceneReadyBehavior = require('../../behavior-scene/scene-ready');

Page({
  behaviors:[sceneReadyBehavior],
  data: {
    showBackBtn: true,
    resourceData: {
    },
    onFlags: [
      false, false, // gltf
      false, false,    // image
      false, false, false // video
    ],
    gltfList: [],
    imageList: [],
    videoList: [],
  },
  onLoad() {
    // 准备加载数据
  },
  tapResBtn(event) {
    const dataSet = event.target.dataset;
    // console.log(event);

    const onFlags = this.data.onFlags;

    const src = dataSet.src;
    const index = parseInt(dataSet.index);

    onFlags[index] = !onFlags[index];

    switch (dataSet.type) {
      case 'gltf':
        let gltfListNew;
        if (onFlags[index]) {
          gltfListNew = this.data.gltfList;
          gltfListNew.push({
            id: index,
            src: src
          });
        } else {
          let matchIndex = -1;
          for (let i = 0; i < this.data.gltfList.length; i++) {
            if (this.data.gltfList[i] &&  src === this.data.gltfList[i].src) {
              matchIndex = i;
              break;
            }
          }
          this.data.gltfList.splice(matchIndex, 1);
          gltfListNew = this.data.gltfList;
        }
        this.setData({
          gltfList: gltfListNew,
          onFlags: onFlags
        });
        break;
      case 'image':
        let imageListNew;
        if (onFlags[index]) {
          imageListNew = this.data.imageList;
          imageListNew.push({
            id: index,
            src: src
          });
        } else {
          let matchIndex = -1;
          for (let i = 0; i < this.data.imageList.length; i++) {
            if (this.data.imageList[i] &&  src === this.data.imageList[i].src) {
              matchIndex = i;
              break;
            }
          }
          this.data.imageList.splice(matchIndex, 1);
          imageListNew = this.data.imageList;
        }
        this.setData({
          imageList: imageListNew,
          onFlags: onFlags
        });
        break
      case 'video':
        let videoListNew;
        if (onFlags[index]) {
          videoListNew = this.data.videoList;
          videoListNew.push({
            id: index,
            src: src
          });
        } else {
          let matchIndex = -1;
          for (let i = 0; i < this.data.videoList.length; i++) {
            if (this.data.videoList[i] &&  src === this.data.videoList[i].src) {
              matchIndex = i;
              break;
            }
          }
          this.data.videoList.splice(matchIndex, 1);
          videoListNew = this.data.videoList;
        }
        this.setData({
          videoList: videoListNew,
          onFlags: onFlags
        });
        break
      default:
        break;
    }

  },
  handleInfoListener(cur) {
    const detail = cur.detail;

    this.setData({
    });
  }
  
});