Skip to content

T
three.js

fktz008 / three.js
与 Fork 源项目一致

从无法访问的项目Fork

通知 1
Star 0
Fork 0
T
three.js

体验新版 GitCode，发现更多精彩内容 >>

提交 1001b763 编写于 作者: A alteredq
浏览文件
操作

Added lava shader example.

上级 3b43c796
隐藏空白更改
内联 并排
Showing with 335 addition and 0 deletion
examples/webgl_shader_lava.html 0 → 100644
浏览文件 @ 1001b763
<!DOCTYPE HTML>
<html lang="en">
<head>
<title>three.js webgl - materials - shaders [lava]</title>
<meta charset="utf-8">
<style type="text/css">
body {
color: #ffffff;
font-family:Monospace;
font-size:13px;
text-align:center;
font-weight: bold;
background-color: #000000;
margin: 0px;
overflow: hidden;
}
#info {
position: absolute;
top: 0px; width: 100%;
padding: 5px;
}
a {
color: #ffffff;
}
#oldie a { color:#da0 }
</style>
</head>
<body>
<div id="container"></div>
<div id="info"><a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - shader material demo. featuring lava shader by <a href="http://irrlicht.sourceforge.net/phpBB2/viewtopic.php?t=21057" target="_blank">TheGameMaker</a></div>
<script type="text/javascript" src="../build/Three.js"></script>
<script type="text/javascript" src="js/Detector.js"></script>
<script type="text/javascript" src="js/RequestAnimationFrame.js"></script>
<script type="text/javascript" src="js/Stats.js"></script>
<script id="fragmentShader" type="x-shader/x-fragment">
uniform float time;
uniform vec2 resolution;
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">
varying vec2 vUv;
void main()
{
vUv = vec2( 3.0, 1.0 ) * uv;
vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );
gl_Position = projectionMatrix * mvPosition;
}
</script>
<script type="text/javascript">
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats;
var start_time;
var camera, scene, renderer;
var uniforms, material, mesh;
var mouseX = 0, mouseY = 0,
lat = 0, lon = 0, phy = 0, theta = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
var postprocessing = { enabled : true };
init();
animate();
function init() {
container = document.getElementById( 'container' );
camera = new THREE.Camera( 35, windowHalfX / windowHalfY, 1, 3000 );
camera.position.z = 4;
scene = new THREE.Scene();
start_time = new Date().getTime();
uniforms = {
fogDensity: { type: "f", value: 0.45 },
fogColor: { type: "v3", value: new THREE.Vector3( 0, 0, 0 ) },
time: { type: "f", value: 1.0 },
resolution: { type: "v2", value: new THREE.Vector2() },
texture1: { type: "t", value: 0, texture: ImageUtils.loadTexture( "textures/lava/cloud.png" ) },
texture2: { type: "t", value: 1, texture: ImageUtils.loadTexture( "textures/lava/lavatile.jpg" ) }
};
uniforms.texture1.texture.wrapS = uniforms.texture1.texture.wrapT = THREE.Repeat;
uniforms.texture2.texture.wrapS = uniforms.texture2.texture.wrapT = THREE.Repeat;
var size = 0.65;
material = new THREE.MeshShaderMaterial( {
uniforms: uniforms,
vertexShader: document.getElementById( 'vertexShader' ).textContent,
fragmentShader: document.getElementById( 'fragmentShader' ).textContent
} );
mesh = new THREE.Mesh( new Torus( size, 0.3, 30, 30 ), [ material /*, new THREE.MeshBasicMaterial( { color: 0x000000, wireframe: true, wireframeLinewidth: 2 } ) */ ] );
mesh.position.x = 0;
mesh.position.y = 0;
mesh.rotation.x = 0.3;
scene.addObject( mesh );
renderer = new THREE.WebGLRenderer( { antialias: true } );
container.appendChild( renderer.domElement );
initPostprocessing();
renderer.autoClear = false;
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
//container.appendChild( stats.domElement );
onWindowResize();
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize( event ) {
uniforms.resolution.value.x = window.innerWidth;
uniforms.resolution.value.y = window.innerHeight;
renderer.setSize( window.innerWidth, window.innerHeight );
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
}
function initPostprocessing() {
postprocessing.scene = new THREE.Scene();
postprocessing.camera = new THREE.Camera();
postprocessing.camera.projectionMatrix = THREE.Matrix4.makeOrtho( window.innerWidth / - 2, window.innerWidth / 2, window.innerHeight / 2, window.innerHeight / - 2, -10000, 10000 );
postprocessing.camera.position.z = 100;
var pars = { minFilter: THREE.LinearFilter, magFilter: THREE.LinearFilter };
postprocessing.rtTexture1 = new THREE.WebGLRenderTarget( window.innerWidth, window.innerHeight, pars );
postprocessing.rtTexture2 = new THREE.WebGLRenderTarget( 512, 512, pars );
postprocessing.rtTexture3 = new THREE.WebGLRenderTarget( 512, 512, pars );
var screen_shader = ShaderUtils.lib["screen"];
var screen_uniforms = Uniforms.clone( screen_shader.uniforms );
screen_uniforms["tDiffuse"].texture = postprocessing.rtTexture1;
screen_uniforms["opacity"].value = 1.0;
postprocessing.materialScreen = new THREE.MeshShaderMaterial( {
uniforms: screen_uniforms,
vertexShader: screen_shader.vertexShader,
fragmentShader: screen_shader.fragmentShader,
blending: THREE.AdditiveBlending,
transparent: true
} );
var convolution_shader = ShaderUtils.lib["convolution"];
var convolution_uniforms = Uniforms.clone( convolution_shader.uniforms );
postprocessing.blurx = new THREE.Vector2( 0.001953125, 0.0 ),
postprocessing.blury = new THREE.Vector2( 0.0, 0.001953125 );
convolution_uniforms["tDiffuse"].texture = postprocessing.rtTexture1;
convolution_uniforms["uImageIncrement"].value = postprocessing.blurx;
convolution_uniforms["cKernel"].value = ShaderUtils.buildKernel( 4.0 );
postprocessing.materialConvolution = new THREE.MeshShaderMaterial( {
uniforms: convolution_uniforms,
vertexShader: "#define KERNEL_SIZE 25.0\n" + convolution_shader.vertexShader,
fragmentShader: "#define KERNEL_SIZE 25\n" + convolution_shader.fragmentShader
} );
var film_shader = ShaderUtils.lib["film"];
var film_uniforms = Uniforms.clone( film_shader.uniforms );
film_uniforms["tDiffuse"].texture = postprocessing.rtTexture1;
postprocessing.materialFilm = new THREE.MeshShaderMaterial( { uniforms: film_uniforms, vertexShader: film_shader.vertexShader, fragmentShader: film_shader.fragmentShader } );
postprocessing.materialFilm.uniforms.grayscale.value = 0;
postprocessing.materialFilm.uniforms.nIntensity.value = 0.35;
postprocessing.materialFilm.uniforms.sIntensity.value = 0.95;
postprocessing.materialFilm.uniforms.sCount.value = 2048;
postprocessing.quad = new THREE.Mesh( new Plane( window.innerWidth, window.innerHeight ), postprocessing.materialConvolution );
postprocessing.quad.position.z = -500;
postprocessing.scene.addObject( postprocessing.quad );
}
//
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
uniforms.time.value += 0.02;
mesh.rotation.y += 0.00125;
mesh.rotation.x += 0.005;
if ( postprocessing.enabled ) {
renderer.clear();
// Render scene into texture
renderer.render( scene, camera, postprocessing.rtTexture1, true );
// Render quad with blured scene into texture (convolution pass 1)
postprocessing.quad.materials = [ postprocessing.materialConvolution ];
postprocessing.materialConvolution.uniforms.tDiffuse.texture = postprocessing.rtTexture1;
postprocessing.materialConvolution.uniforms.uImageIncrement.value = postprocessing.blurx;
renderer.render( postprocessing.scene, postprocessing.camera, postprocessing.rtTexture2, true );
// Render quad with blured scene into texture (convolution pass 2)
postprocessing.materialConvolution.uniforms.tDiffuse.texture = postprocessing.rtTexture2;
postprocessing.materialConvolution.uniforms.uImageIncrement.value = postprocessing.blury;
renderer.render( postprocessing.scene, postprocessing.camera, postprocessing.rtTexture3, true );
// Render original scene with superimposed blur to texture
postprocessing.quad.materials = [ postprocessing.materialScreen ];
postprocessing.materialScreen.uniforms.tDiffuse.texture = postprocessing.rtTexture3;
postprocessing.materialScreen.uniforms.opacity.value = 1.25;
renderer.render( postprocessing.scene, postprocessing.camera, postprocessing.rtTexture1, false );
// Render to screen
postprocessing.materialFilm.uniforms.time.value += 0.01;
postprocessing.quad.materials = [ postprocessing.materialFilm ];
postprocessing.materialScreen.uniforms.tDiffuse.texture = postprocessing.rtTexture1;
renderer.render( postprocessing.scene, postprocessing.camera );
} else {
renderer.clear();
renderer.render( scene, camera );
}
}
</script>
</body>
</html>
Markdown is supported
0% 或 .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑！
想要评论请 注册 或