|
|
@@ -1,250 +0,0 @@
|
|
|
-<!DOCTYPE html>
|
|
|
-<html lang="en">
|
|
|
- <head>
|
|
|
- <title>three.js webgl - materials - shaders [lava]</title>
|
|
|
- <meta charset="utf-8">
|
|
|
- <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
|
|
|
- <link type="text/css" rel="stylesheet" href="main.css">
|
|
|
- </head>
|
|
|
- <body>
|
|
|
-
|
|
|
- <div id="container"></div>
|
|
|
- <div id="info"><a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - shader material demo. featuring lava shader by <a href="http://irrlicht.sourceforge.net/phpBB2/viewtopic.php?t=21057" target="_blank" rel="noopener">TheGameMaker</a></div>
|
|
|
-
|
|
|
- <script id="fragmentShader" type="x-shader/x-fragment">
|
|
|
-
|
|
|
- uniform float time;
|
|
|
-
|
|
|
- uniform float fogDensity;
|
|
|
- uniform vec3 fogColor;
|
|
|
-
|
|
|
- uniform sampler2D texture1;
|
|
|
- uniform sampler2D texture2;
|
|
|
-
|
|
|
- varying vec2 vUv;
|
|
|
-
|
|
|
- void main( void ) {
|
|
|
-
|
|
|
- vec2 position = - 1.0 + 2.0 * vUv;
|
|
|
-
|
|
|
- vec4 noise = texture2D( texture1, vUv );
|
|
|
- vec2 T1 = vUv + vec2( 1.5, - 1.5 ) * time * 0.02;
|
|
|
- vec2 T2 = vUv + vec2( - 0.5, 2.0 ) * time * 0.01;
|
|
|
-
|
|
|
- T1.x += noise.x * 2.0;
|
|
|
- T1.y += noise.y * 2.0;
|
|
|
- T2.x -= noise.y * 0.2;
|
|
|
- T2.y += noise.z * 0.2;
|
|
|
-
|
|
|
- float p = texture2D( texture1, T1 * 2.0 ).a;
|
|
|
-
|
|
|
- vec4 color = texture2D( texture2, T2 * 2.0 );
|
|
|
- vec4 temp = color * ( vec4( p, p, p, p ) * 2.0 ) + ( color * color - 0.1 );
|
|
|
-
|
|
|
- if( temp.r > 1.0 ) { temp.bg += clamp( temp.r - 2.0, 0.0, 100.0 ); }
|
|
|
- if( temp.g > 1.0 ) { temp.rb += temp.g - 1.0; }
|
|
|
- if( temp.b > 1.0 ) { temp.rg += temp.b - 1.0; }
|
|
|
-
|
|
|
- gl_FragColor = temp;
|
|
|
-
|
|
|
- float depth = gl_FragCoord.z / gl_FragCoord.w;
|
|
|
- const float LOG2 = 1.442695;
|
|
|
- float fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );
|
|
|
- fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );
|
|
|
-
|
|
|
- gl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- </script>
|
|
|
-
|
|
|
- <script id="vertexShader" type="x-shader/x-vertex">
|
|
|
-
|
|
|
- uniform vec2 uvScale;
|
|
|
- varying vec2 vUv;
|
|
|
-
|
|
|
- void main()
|
|
|
- {
|
|
|
-
|
|
|
- vUv = uvScale * uv;
|
|
|
- vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );
|
|
|
- gl_Position = projectionMatrix * mvPosition;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- </script>
|
|
|
-
|
|
|
- <!-- Import maps polyfill -->
|
|
|
- <!-- Remove this when import maps will be widely supported -->
|
|
|
- <script async src="https://unpkg.com/[email protected]/dist/es-module-shims.js"></script>
|
|
|
-
|
|
|
- <script type="importmap">
|
|
|
- {
|
|
|
- "imports": {
|
|
|
- "three": "../build/three.module.js",
|
|
|
- "three/addons/": "./jsm/"
|
|
|
- }
|
|
|
- }
|
|
|
- </script>
|
|
|
-
|
|
|
- <script type="module">
|
|
|
-
|
|
|
- import * as THREE from 'three';
|
|
|
- import Stats from 'three/addons/libs/stats.module.js';
|
|
|
-
|
|
|
- let camera, renderer, clock, scene;
|
|
|
-
|
|
|
- let uniforms, stats;
|
|
|
- const materials = [];
|
|
|
-
|
|
|
- init();
|
|
|
- animate();
|
|
|
-
|
|
|
- function init() {
|
|
|
-
|
|
|
- const container = document.getElementById( 'container' );
|
|
|
-
|
|
|
- camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 3000 );
|
|
|
- camera.position.z = 7;
|
|
|
-
|
|
|
- scene = new THREE.Scene();
|
|
|
-
|
|
|
- clock = new THREE.Clock();
|
|
|
-
|
|
|
- const textureLoader = new THREE.TextureLoader();
|
|
|
-
|
|
|
- uniforms = {
|
|
|
-
|
|
|
- 'fogDensity': { value: 0.001 },
|
|
|
- 'fogColor': { value: new THREE.Vector3( 0, 0, 0 ) },
|
|
|
- 'time': { value: 1.0 },
|
|
|
- 'uvScale': { value: new THREE.Vector2( 3.0, 1.0 ) },
|
|
|
- 'texture1': { value: textureLoader.load( 'textures/lava/cloud.png' ) },
|
|
|
- 'texture2': { value: textureLoader.load( 'textures/lava/lavatile.jpg' ) }
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- uniforms[ 'texture1' ].value.wrapS = uniforms[ 'texture1' ].value.wrapT = THREE.RepeatWrapping;
|
|
|
- uniforms[ 'texture2' ].value.wrapS = uniforms[ 'texture2' ].value.wrapT = THREE.RepeatWrapping;
|
|
|
-
|
|
|
-
|
|
|
- //
|
|
|
-
|
|
|
- renderer = new THREE.WebGLRenderer( { antialias: true } );
|
|
|
- renderer.setPixelRatio( window.devicePixelRatio );
|
|
|
- container.appendChild( renderer.domElement );
|
|
|
-
|
|
|
- //
|
|
|
-
|
|
|
- stats = new Stats();
|
|
|
- container.appendChild( stats.dom );
|
|
|
-
|
|
|
- onWindowResize();
|
|
|
-
|
|
|
-
|
|
|
- window.addEventListener( 'resize', onWindowResize );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- function onWindowResize() {
|
|
|
-
|
|
|
- camera.aspect = window.innerWidth / window.innerHeight;
|
|
|
- camera.updateProjectionMatrix();
|
|
|
-
|
|
|
- renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
- addMeshes();
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- function removeAllMeshes() {
|
|
|
-
|
|
|
- for ( let i = scene.children.length - 1; i >= 0; i -- ) {
|
|
|
-
|
|
|
- const obj = scene.children[ i ];
|
|
|
- scene.remove( obj );
|
|
|
- obj.geometry.dispose();
|
|
|
- obj.material.dispose();
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- function addMeshes() {
|
|
|
-
|
|
|
- removeAllMeshes();
|
|
|
- //reset pseudorandom number
|
|
|
- THREE.MathUtils.seededRandom( 1 );
|
|
|
-
|
|
|
- const projScreenMatrix = new THREE.Matrix4();
|
|
|
- const frustum = new THREE.Frustum();
|
|
|
- camera.updateMatrixWorld();
|
|
|
- projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );
|
|
|
- frustum.setFromProjectionMatrix( projScreenMatrix );
|
|
|
-
|
|
|
- const size = 0.65;
|
|
|
- let meshesCount = 0;
|
|
|
- while ( meshesCount < 2500 ) {
|
|
|
-
|
|
|
- const material = new THREE.ShaderMaterial( {
|
|
|
-
|
|
|
- uniforms: uniforms,
|
|
|
- vertexShader: document.getElementById( 'vertexShader' ).textContent,
|
|
|
- fragmentShader: document.getElementById( 'fragmentShader' ).textContent
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
-
|
|
|
- const mesh = new THREE.Mesh( new THREE.TorusGeometry( size, 0.3, 30, 30 ), material );
|
|
|
-
|
|
|
- mesh.position.x = THREE.MathUtils.seededRandom() * 20 - 10;
|
|
|
- mesh.position.y = THREE.MathUtils.seededRandom() * 20 - 10;
|
|
|
- mesh.position.z = THREE.MathUtils.seededRandom() * 20 - 10;
|
|
|
- mesh.rotation.x = THREE.MathUtils.seededRandom() * 2 * Math.PI;
|
|
|
- mesh.rotation.y = THREE.MathUtils.seededRandom() * 2 * Math.PI;
|
|
|
- mesh.scale.x = mesh.scale.y = mesh.scale.z = THREE.MathUtils.seededRandom() * .2 + 0.1;
|
|
|
-
|
|
|
- mesh.updateMatrixWorld();
|
|
|
-
|
|
|
- if ( frustum.intersectsObject( mesh ) ) {
|
|
|
-
|
|
|
- // mesh.rotation.x = 0.3;
|
|
|
- materials.push( material );
|
|
|
- scene.add( mesh );
|
|
|
- meshesCount ++;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- //
|
|
|
-
|
|
|
- function animate() {
|
|
|
-
|
|
|
- requestAnimationFrame( animate );
|
|
|
-
|
|
|
- render();
|
|
|
- stats.update();
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- function render() {
|
|
|
-
|
|
|
- materials.forEach( ( material ) => {
|
|
|
-
|
|
|
- material.needsUpdate = true;
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- const delta = 5 * clock.getDelta();
|
|
|
- uniforms[ 'time' ].value += 0.2 * delta;
|
|
|
-
|
|
|
- renderer.render( scene, camera );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- </script>
|
|
|
-
|
|
|
- </body>
|
|
|
-</html>
|
Mr.doob
