bytev-charts/lib/plugin/three.js/examples/jsm/postprocessing/RenderPass.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$assign from "@babel/runtime-corejs2/core-js/object/assign";
import _Object$create from "@babel/runtime-corejs2/core-js/object/create";
import { Pass } from "../postprocessing/Pass.js";

var RenderPass = function RenderPass(scene, camera, overrideMaterial, clearColor, clearAlpha) {
  Pass.call(this);
  this.scene = scene;
  this.camera = camera;
  this.overrideMaterial = overrideMaterial;
  this.clearColor = clearColor;
  this.clearAlpha = clearAlpha !== undefined ? clearAlpha : 0;
  this.clear = true;
  this.clearDepth = false;
  this.needsSwap = false;
};

RenderPass.prototype = _Object$assign(_Object$create(Pass.prototype), {
  constructor: RenderPass,
  render: function render(renderer, writeBuffer, readBuffer
  /*, deltaTime, maskActive */
  ) {
    var oldAutoClear = renderer.autoClear;
    renderer.autoClear = false;
    var oldClearColor, oldClearAlpha, oldOverrideMaterial;

    if (this.overrideMaterial !== undefined) {
      oldOverrideMaterial = this.scene.overrideMaterial;
      this.scene.overrideMaterial = this.overrideMaterial;
    }

    if (this.clearColor) {
      oldClearColor = renderer.getClearColor().getHex();
      oldClearAlpha = renderer.getClearAlpha();
      renderer.setClearColor(this.clearColor, this.clearAlpha);
    }

    if (this.clearDepth) {
      renderer.clearDepth();
    }

    renderer.setRenderTarget(this.renderToScreen ? null : readBuffer); // TODO: Avoid using autoClear properties, see https://github.com/mrdoob/three.js/pull/15571#issuecomment-465669600

    if (this.clear) renderer.clear(renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil);
    renderer.render(this.scene, this.camera);

    if (this.clearColor) {
      renderer.setClearColor(oldClearColor, oldClearAlpha);
    }

    if (this.overrideMaterial !== undefined) {
      this.scene.overrideMaterial = oldOverrideMaterial;
    }

    renderer.autoClear = oldAutoClear;
  }
});
export { RenderPass };