bytev-charts/lib/plugin/three.js/examples/js/effects/StereoEffect.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;

console.warn("THREE.StereoEffect: 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.StereoEffect = function (renderer) {
  var _stereo = new THREE.StereoCamera();

  _stereo.aspect = 0.5;
  var size = new THREE.Vector2();

  this.setEyeSeparation = function (eyeSep) {
    _stereo.eyeSep = eyeSep;
  };

  this.setSize = function (width, height) {
    renderer.setSize(width, height);
  };

  this.render = function (scene, camera) {
    scene.updateMatrixWorld();
    if (camera.parent === null) camera.updateMatrixWorld();

    _stereo.update(camera);

    renderer.getSize(size);
    if (renderer.autoClear) renderer.clear();
    renderer.setScissorTest(true);
    renderer.setScissor(0, 0, size.width / 2, size.height);
    renderer.setViewport(0, 0, size.width / 2, size.height);
    renderer.render(scene, _stereo.cameraL);
    renderer.setScissor(size.width / 2, 0, size.width / 2, size.height);
    renderer.setViewport(size.width / 2, 0, size.width / 2, size.height);
    renderer.render(scene, _stereo.cameraR);
    renderer.setScissorTest(false);
  };
};