bytev-charts/lib/plugin/three.js/examples/js/misc/MorphAnimMesh.js

基于echarts和JavaScript及ES6封装的一个可以直接调用的图表组件库，内置主题设计，简单快捷，且支持用户自定义配置； npm 安装方式: npm install bytev-charts 若启动提示还需额外install插件,则运行 npm install @babel/runtime-corejs2 即可;

import _Object$create from "@babel/runtime-corejs2/core-js/object/create";
console.warn("THREE.MorphAnimMesh: As part of the transition to ES6 Modules, the files in 'examples/js' were deprecated in May 2020 (r117) and will be deleted in December 2020 (r124). You can find more information about developing using ES6 Modules in https://threejs.org/docs/#manual/en/introduction/Installation.");

THREE.MorphAnimMesh = function (geometry, material) {
  THREE.Mesh.call(this, geometry, material);
  this.type = 'MorphAnimMesh';
  this.mixer = new THREE.AnimationMixer(this);
  this.activeAction = null;
};

THREE.MorphAnimMesh.prototype = _Object$create(THREE.Mesh.prototype);
THREE.MorphAnimMesh.prototype.constructor = THREE.MorphAnimMesh;

THREE.MorphAnimMesh.prototype.setDirectionForward = function () {
  this.mixer.timeScale = 1.0;
};

THREE.MorphAnimMesh.prototype.setDirectionBackward = function () {
  this.mixer.timeScale = -1.0;
};

THREE.MorphAnimMesh.prototype.playAnimation = function (label, fps) {
  if (this.activeAction) {
    this.activeAction.stop();
    this.activeAction = null;
  }

  var clip = THREE.AnimationClip.findByName(this, label);

  if (clip) {
    var action = this.mixer.clipAction(clip);
    action.timeScale = clip.tracks.length * fps / clip.duration;
    this.activeAction = action.play();
  } else {
    throw new Error('THREE.MorphAnimMesh: animations[' + label + '] undefined in .playAnimation()');
  }
};

THREE.MorphAnimMesh.prototype.updateAnimation = function (delta) {
  this.mixer.update(delta);
};

THREE.MorphAnimMesh.prototype.copy = function (source) {
  THREE.Mesh.prototype.copy.call(this, source);
  this.mixer = new THREE.AnimationMixer(this);
  return this;
};