three.js shader海上生明月（很酷的霞光和倒影特效） - 踏得网

webgl着色器场景特效，包含海洋、日精月华光照特效。

three, webgl, shader, sea, water, sunset

《three.js使用多个渐变torus模拟光环光晕》申请公开！

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JavaScript

编译

CSS

HTML

<div id="container"></div>
<div id="info">
  <a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl ocean
</div>

<script type="module">
  import * as THREE from '//techbrood.com/threejs/build/three.module.js';
  import Stats from '//techbrood.com/threejs/examples/jsm/libs/stats.module.js';
  import { GUI } from '//techbrood.com/threejs/examples/jsm/libs/dat.gui.module.js';
  import { OrbitControls } from '//techbrood.com/threejs/examples/jsm/controls/OrbitControls.js';
  import { Water } from '//techbrood.com/threejs/examples/jsm/objects/Water.js';
  import { Sky } from '//techbrood.com/threejs/examples/jsm/objects/Sky.js';
  var container, stats;
  var camera, scene, renderer, light;
  var controls, water, sphere;
  init();
  animate();
  function init() {
    container = document.getElementById( 'container' );
    //
    renderer = new THREE.WebGLRenderer();
    renderer.setPixelRatio( window.devicePixelRatio );
    renderer.setSize( window.innerWidth, window.innerHeight );
    container.appendChild( renderer.domElement );
    //
    scene = new THREE.Scene();
    //
    camera = new THREE.PerspectiveCamera( 55, window.innerWidth / window.innerHeight, 1, 20000 );
    camera.position.set( 30, 30, 100 );
    //
    light = new THREE.DirectionalLight( 0xffffff, 0.8 );
    scene.add( light );
    // Water
    var waterGeometry = new THREE.PlaneBufferGeometry( 10000, 10000 );
    water = new Water(
      waterGeometry,
      {
        textureWidth: 512,
        textureHeight: 512,
        waterNormals: new THREE.TextureLoader().load( '//techbrood.com/threejs/examples/textures/waternormals.jpg', function ( texture ) {
          texture.wrapS = texture.wrapT = THREE.RepeatWrapping;
        } ),
        alpha: 1.0,
        sunDirection: light.position.clone().normalize(),
        sunColor: 0xffffff,
        waterColor: 0x001e0f,
        distortionScale: 3.7,
        fog: scene.fog !== undefined
      }
    );
    water.rotation.x = - Math.PI / 2;
    scene.add( water );
    // Skybox
    var sky = new Sky();
    var uniforms = sky.material.uniforms;
    uniforms[ 'turbidity' ].value = 10;
    uniforms[ 'rayleigh' ].value = 2;
    uniforms[ 'luminance' ].value = 1;
    uniforms[ 'mieCoefficient' ].value = 0.005;
    uniforms[ 'mieDirectionalG' ].value = 0.8;
    var parameters = {
      distance: 400,
      inclination: 0.49,
      azimuth: 0.205
    };
    var cubeCamera = new THREE.CubeCamera( 0.1, 1, 512 );
    cubeCamera.renderTarget.texture.generateMipmaps = true;
    cubeCamera.renderTarget.texture.minFilter = THREE.LinearMipmapLinearFilter;
    scene.background = cubeCamera.renderTarget;
    function updateSun() {
      var theta = Math.PI * ( parameters.inclination - 0.5 );
      var phi = 2 * Math.PI * ( parameters.azimuth - 0.5 );
      light.position.x = parameters.distance * Math.cos( phi );
      light.position.y = parameters.distance * Math.sin( phi ) * Math.sin( theta );
      light.position.z = parameters.distance * Math.sin( phi ) * Math.cos( theta );
      sky.material.uniforms[ 'sunPosition' ].value = light.position.copy( light.position );
      water.material.uniforms[ 'sunDirection' ].value.copy( light.position ).normalize();
      cubeCamera.update( renderer, sky );
    }
    updateSun();
    //
    var geometry = new THREE.IcosahedronBufferGeometry( 20, 1 );
    var count = geometry.attributes.position.count;
    var colors = [];
    var color = new THREE.Color();
    for ( var i = 0; i < count; i += 3 ) {
      color.setHex( Math.random() * 0xffffff );
      colors.push( color.r, color.g, color.b );
      colors.push( color.r, color.g, color.b );
      colors.push( color.r, color.g, color.b );
    }
    geometry.setAttribute( 'color', new THREE.Float32BufferAttribute( colors, 3 ) );
    var material = new THREE.MeshStandardMaterial( {
      vertexColors: THREE.VertexColors,
      roughness: 0.0,
      flatShading: true,
      envMap: cubeCamera.renderTarget.texture,
      side: THREE.DoubleSide
    } );
    sphere = new THREE.Mesh( geometry, material );
    scene.add( sphere );
    //
    controls = new OrbitControls( camera, renderer.domElement );
    controls.maxPolarAngle = Math.PI * 0.495;
    controls.target.set( 0, 10, 0 );
    controls.minDistance = 40.0;
    controls.maxDistance = 200.0;
    controls.update();
    //
    stats = new Stats();
    container.appendChild( stats.dom );
    // GUI
    var gui = new GUI();
    var folder = gui.addFolder( 'Sky' );
    folder.add( parameters, 'inclination', 0, 0.5, 0.0001 ).onChange( updateSun );
    folder.add( parameters, 'azimuth', 0, 1, 0.0001 ).onChange( updateSun );
    folder.open();
    var uniforms = water.material.uniforms;
    var folder = gui.addFolder( 'Water' );
    folder.add( uniforms.distortionScale, 'value', 0, 8, 0.1 ).name( 'distortionScale' );
    folder.add( uniforms.size, 'value', 0.1, 10, 0.1 ).name( 'size' );
    folder.add( uniforms.alpha, 'value', 0.9, 1, .001 ).name( 'alpha' );
    folder.open();
    //
    window.addEventListener( 'resize', onWindowResize, false );
  }
  function onWindowResize() {
    camera.aspect = window.innerWidth / window.innerHeight;
    camera.updateProjectionMatrix();
    renderer.setSize( window.innerWidth, window.innerHeight );
  }
  function animate() {
    requestAnimationFrame( animate );
    render();
    stats.update();
  }
  function render() {
    var time = performance.now() * 0.001;
    sphere.position.y = Math.sin( time ) * 20 + 5;
    sphere.rotation.x = time * 0.5;
    sphere.rotation.z = time * 0.51;
    water.material.uniforms[ 'time' ].value += 1.0 / 60.0;
    renderer.render( scene, camera );
  }
</script>