experimental/postprocessing.html at master · stevengrimaldo/experimental · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <title>three.js webgl - postprocessing - digital glitch</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
  <style>
    body {
      margin: 0px;
      background-color: #000000;
      overflow: hidden;
    }
    div {
      position: absolute;
      z-index: 10;
      color: #fff;
      font-family: monospace;
      text-align: center;
      margin: 10px;
      width: 100%;
    }
    label, input {
      cursor: pointer;
    }
  </style>
</head>
<body>

  <script src="https://cdn.rawgit.com/dataarts/dat.gui/master/build/dat.gui.min.js"></script>
  <script src="https://cdn.rawgit.com/mrdoob/three.js/master/build/three.min.js"></script>
  <script src="https://cdn.rawgit.com/mrdoob/three.js/master/examples/js/Detector.js"></script>
  <script src="https://cdn.rawgit.com/mrdoob/three.js/master/examples/js/controls/OrbitControls.js"></script>
  <script src="https://cdn.rawgit.com/mrdoob/three.js/master/examples/js/controls/TrackballControls.js"></script>
  <script src="https://cdn.rawgit.com/mrdoob/three.js/master/examples/js/libs/stats.min.js"></script>
  <script src="https://cdn.rawgit.com/mrdoob/three.js/master/examples/js/loaders/OBJLoader.js"></script>
  <script src="https://cdn.rawgit.com/mrdoob/three.js/master/examples/js/loaders/MTLLoader.js"></script>
  <script src="https://cdn.rawgit.com/mrdoob/three.js/master/examples/js/postprocessing/EffectComposer.js"></script>
  <script src="https://cdn.rawgit.com/mrdoob/three.js/master/examples/js/postprocessing/GlitchPass.js"></script>
  <script src="https://cdn.rawgit.com/mrdoob/three.js/master/examples/js/postprocessing/MaskPass.js"></script>
  <script src="https://cdn.rawgit.com/mrdoob/three.js/master/examples/js/postprocessing/RenderPass.js"></script>
  <script src="https://cdn.rawgit.com/mrdoob/three.js/master/examples/js/postprocessing/ShaderPass.js"></script>
  <script src="https://cdn.rawgit.com/mrdoob/three.js/master/examples/js/renderers/CanvasRenderer.js"></script>
  <script src="https://cdn.rawgit.com/mrdoob/three.js/master/examples/js/renderers/Projector.js"></script>
  <script src="https://cdn.rawgit.com/mrdoob/three.js/master/examples/js/shaders/CopyShader.js"></script>
  <script src="https://cdn.rawgit.com/mrdoob/three.js/master/examples/js/shaders/DigitalGlitch.js"></script>
  <script src="https://cdn.rawgit.com/mrdoob/three.js/master/examples/js/shaders/DotScreenShader.js"></script>
  <script src="https://cdn.rawgit.com/mrdoob/three.js/master/examples/js/shaders/RGBShiftShader.js"></script>

  <div>
    <label for="dotScreen">Glitch me wild:</label><input id="wildGlitch" type="checkbox" onchange="updateOptions()"/><br />
  </div>

  <script>

    var camera, scene, renderer, composer;
    var object, light;

    var glitchPass;

    init();
    animate();

    function updateOptions() {
      var wildGlitch = document.getElementById('wildGlitch');
      glitchPass.goWild=wildGlitch.checked;
    }

    function init() {

      renderer = new THREE.WebGLRenderer();
      renderer.setPixelRatio( window.devicePixelRatio );
      renderer.setSize( window.innerWidth, window.innerHeight );
      document.body.appendChild( renderer.domElement );

      //

      camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );
      camera.position.z = 400;

      scene = new THREE.Scene();
      scene.fog = new THREE.Fog( 0x000000, 1, 1000 );

      object = new THREE.Object3D();
      scene.add( object );

      var geometry = new THREE.SphereGeometry( 1, 4, 4 );
      var material = new THREE.MeshPhongMaterial( { color: 0xffffff, shading: THREE.FlatShading } );

      for ( var i = 0; i < 100; i ++ ) {
        material = new THREE.MeshPhongMaterial( { color: 0xffffff * Math.random(), shading: THREE.FlatShading } );

        var mesh = new THREE.Mesh( geometry, material );
        mesh.position.set( Math.random() - 0.5, Math.random() - 0.5, Math.random() - 0.5 ).normalize();
        mesh.position.multiplyScalar( Math.random() * 400 );
        mesh.rotation.set( Math.random() * 2, Math.random() * 2, Math.random() * 2 );
        mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 50;
        object.add( mesh );

      }

      scene.add( new THREE.AmbientLight( 0x222222 ) );

      light = new THREE.DirectionalLight( 0xffffff );
      light.position.set( 1, 1, 1 );
      scene.add( light );

      // postprocessing

      composer = new THREE.EffectComposer( renderer );
      composer.addPass( new THREE.RenderPass( scene, camera ) );

      glitchPass = new THREE.GlitchPass(0);
      glitchPass.renderToScreen = true;
      composer.addPass( glitchPass );


      //

      window.addEventListener( 'resize', onWindowResize, false );

      updateOptions();

    }

    function onWindowResize() {

      camera.aspect = window.innerWidth / window.innerHeight;
      camera.updateProjectionMatrix();

      renderer.setSize( window.innerWidth, window.innerHeight );
      composer.setSize( window.innerWidth, window.innerHeight );


    }

    function animate() {

      requestAnimationFrame( animate );

      var time = Date.now();

      object.rotation.x += 0.005;
      object.rotation.y += 0.01;

      composer.render();
      //renderer.render(scene, camera);

    }

  </script>
</body>
</html>