text: /**
   * @author alteredq / http://alteredqualia.com/
   * @authod mrdoob / http://mrdoob.com/
   * @authod arodic / http://aleksandarrodic.com/
   * @authod fonserbc / http://fonserbc.github.io/
  */
  
  import {
      StereoCamera,
      Vector2
  } from "../../../build/v3d.module.js";
  
  var StereoEffect = function(renderer) {
  
      var _stereo = new StereoCamera();
      _stereo.aspect = 0.5;
      var size = new 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);
  
      };
  
  };
  
  export { StereoEffect };
  