WXXR/miniprogram/components/xr-customParticle-portal/index.js

Component({
  behaviors: [require('../common/share-behavior').default],
  properties: {
    capacity: {
      type: Number,
      value: 20
    },
    emitRate: {
      type: Number,
      value: 5
    },
    lifeTime:{
      type: Number,
      value: 3
    }
  },
  data: {
    loaded: false
  },
  lifetimes: {},
  methods: {
    handleReady({detail}) {
        const xrScene = this.scene = detail.value;
        const portal = xrScene.getElementById("portal");
        const xrFrameSystem = wx.getXrFrameSystem();
        const tempSystem = portal.getComponent('custom-particle');
        tempSystem.addSizeGradient(0,1,1);
        tempSystem.addSizeGradient(0.5,0.8,0.8);
        tempSystem.addSizeGradient(0.75,0.5,0.5);
        tempSystem.addSizeGradient(0.9,0.2,0.2);
        tempSystem.addSizeGradient(1,0,0);
    },

    handleAssetsProgress: function({detail}) {
      console.log('assets progress', detail.value);
      
    },
    handleAssetsLoaded: function({detail}) {
    }
  }
})