ThreeJS - Test - ShaderMaterial (working)

by gree303

HTML

<!-- Using ThreeJS r112 (Dec 2019) -->
<script src="//cdn.rawgit.com/mrdoob/three.js/45418089bd5633e856384a8c0beefced87143334/build/three.min.js"></script>
<script src="//cdn.rawgit.com/mrdoob/three.js/45418089bd5633e856384a8c0beefced87143334/examples/js/controls/OrbitControls.js"></script>
<script src="//cdn.rawgit.com/mrdoob/three.js/45418089bd5633e856384a8c0beefced87143334/examples/js/loaders/GLTFLoader.js"></script>

<script src="//cdn.rawgit.com/mrdoob/three.js/45418089bd5633e856384a8c0beefced87143334/examples/js/shaders/CopyShader.js"></script>
<script src="//cdn.rawgit.com/mrdoob/three.js/45418089bd5633e856384a8c0beefced87143334/examples/js/shaders/LuminosityShader.js"></script>
<script src="//cdn.rawgit.com/mrdoob/three.js/45418089bd5633e856384a8c0beefced87143334/examples/js/shaders/ToneMapShader.js"></script>
<script src="//cdn.rawgit.com/mrdoob/three.js/45418089bd5633e856384a8c0beefced87143334/examples/js/shaders/GammaCorrectionShader.js"></script>
<script src="//cdn.rawgit.com/mrdoob/three.js/45418089bd5633e856384a8c0beefced87143334/examples/js/postprocessing/EffectComposer.js"></script>
<script src="//cdn.rawgit.com/mrdoob/three.js/45418089bd5633e856384a8c0beefced87143334/examples/js/postprocessing/RenderPass.js"></script>
<script src="//cdn.rawgit.com/mrdoob/three.js/45418089bd5633e856384a8c0beefced87143334/examples/js/postprocessing/OutlinePass.js"></script>
<script src="//cdn.rawgit.com/mrdoob/three.js/45418089bd5633e856384a8c0beefced87143334/examples/js/postprocessing/ShaderPass.js"></script>
<script src="//cdn.rawgit.com/mrdoob/three.js/45418089bd5633e856384a8c0beefced87143334/examples/js/postprocessing/AdaptiveToneMappingPass.js"></script>

CSS

body {
	  margin: 0;
}

JavaScript

var camera, scene, renderer, object;
var texture1URL = "https://cdn.rawgit.com/mrdoob/three.js/45418089bd5633e856384a8c0beefced87143334/examples/textures/terrain/grasslight-big.jpg";
var texture2URL = "https://cdn.rawgit.com/mrdoob/three.js/45418089bd5633e856384a8c0beefced87143334/examples/textures/patterns/circuit_pattern.png";
var status = document.getElementById("status");

function init() {
  scene = new THREE.Scene();
  scene.background = new THREE.Color( 0xcccccc );

  var ambientLight = new THREE.AmbientLight( 0xffffff, 1 );
  scene.add( ambientLight );

  camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 500 );
  camera.enableDamping = false;
  camera.position.x = 0;
  camera.position.y = 0;
  camera.position.z = -15;

  renderer = new THREE.WebGLRenderer( { antialias: true } );
	renderer.gammaFactor = 2.14;
  renderer.outputEncoding = THREE.sRGBEncoding;
  renderer.setSize( window.innerWidth, window.innerHeight );
  document.body.appendChild( renderer.domElement );

  const controls = new THREE.OrbitControls( camera, renderer.domElement );
  controls.enableDamping = true;

  //var gridHelper = new THREE.GridHelper(10, 20, 0x333333, 0x333333);
  //scene.add( gridHelper );
}

// -------------------- Object -------------------- //
function initObject() {
  var texture1 = new THREE.TextureLoader().load( texture1URL );
  var texture2 = new THREE.TextureLoader().load( texture2URL );

  var pitchMaterialParams = {
    uniforms: THREE.UniformsUtils.merge([{

      texture1: null,
      texture2: null,

    }]),
    vertexShader: 
     `
     
       precision highp float;
       precision highp int;
       
       //uniform mat4 modelViewMatrix;
       //uniform mat4 projectionMatrix;
       //attribute vec3 position;
       //attribute vec2 uv;
       varying vec2 vUv;
       
       void main() {
         vUv = uv;
         gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);
       }
       
     `,
   ...