bytev-charts/lib/plugin/three.js/examples/jsm/postprocessing/TexturePass.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 "core-js/modules/es.array.map.js";
import { ShaderMaterial, UniformsUtils } from "../../../build/three.module.js";
import { Pass } from "../postprocessing/Pass.js";
import { CopyShader } from "../shaders/CopyShader.js";

var TexturePass = function TexturePass(map, opacity) {
  Pass.call(this);
  if (CopyShader === undefined) console.error("TexturePass relies on CopyShader");
  var shader = CopyShader;
  this.map = map;
  this.opacity = opacity !== undefined ? opacity : 1.0;
  this.uniforms = UniformsUtils.clone(shader.uniforms);
  this.material = new ShaderMaterial({
    uniforms: this.uniforms,
    vertexShader: shader.vertexShader,
    fragmentShader: shader.fragmentShader,
    depthTest: false,
    depthWrite: false
  });
  this.needsSwap = false;
  this.fsQuad = new Pass.FullScreenQuad(null);
};

TexturePass.prototype = _Object$assign(_Object$create(Pass.prototype), {
  constructor: TexturePass,
  render: function render(renderer, writeBuffer, readBuffer
  /*, deltaTime, maskActive */
  ) {
    var oldAutoClear = renderer.autoClear;
    renderer.autoClear = false;
    this.fsQuad.material = this.material;
    this.uniforms["opacity"].value = this.opacity;
    this.uniforms["tDiffuse"].value = this.map;
    this.material.transparent = this.opacity < 1.0;
    renderer.setRenderTarget(this.renderToScreen ? null : readBuffer);
    if (this.clear) renderer.clear();
    this.fsQuad.render(renderer);
    renderer.autoClear = oldAutoClear;
  }
});
export { TexturePass };