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three.js

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three.js

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提交 2ff9d410 编写于 作者: M Mr.doob
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Added WebGL2Renderer.

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examples/files.js
浏览文件 @ 2ff9d410
......@@ -262,6 +262,9 @@ var files = {
"webgl deferred": [
"webgldeferred_animation"
],
"webgl2": [
"webgl2_sandbox"
],
"webvr": [
"webvr_cubes",
"webvr_panorama",
......
examples/webgl2_sandbox.html 0 → 100644
浏览文件 @ 2ff9d410
<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js - webgl2 sandbox</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 {
background:#000;
padding:0;
margin:0;
font-weight: bold;
overflow:hidden;
}
#info {
position: absolute;
top: 0px; width: 100%;
color: #ffffff;
padding: 5px;
font-family:Monospace;
font-size:13px;
text-align:center;
z-index:1000;
}
a {
color: #ffffff;
}
</style>
</head>
<body>
<div id="info"><a href="http://threejs.org" target="_blank">three.js</a> - webgl2 sandbox.</div>
<script src="../build/three.js"></script>
<script src="js/libs/stats.min.js"></script>
<script>
var statsEnabled = true;
var container, stats;
var camera, scene, renderer;
var mesh, zmesh, lightMesh, geometry;
var mouseX = 0, mouseY = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
init();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 20000 );
camera.position.z = 3200;
scene = new THREE.Scene();
scene.background = new THREE.Color( 0, 0, 0.5 );
scene.fog = new THREE.Fog( 0x000000, 1, 20000 );
var light = new THREE.PointLight( 0xffffff );
scene.add( light );
var texture1 = new THREE.CanvasTexture( generateTexture( 0, 0.5, 1 ), THREE.UVMapping );
var materials = [
new THREE.MeshNormalMaterial(),
new THREE.MeshDepthMaterial(),
new THREE.MeshBasicMaterial( { color: 0x0066ff, blending: THREE.AdditiveBlending, transparent: true, depthWrite: false } ),
new THREE.MeshBasicMaterial( { color: 0xffaa00, wireframe: true } ),
new THREE.MeshBasicMaterial( { map: texture1, fog: false } ),
new THREE.MeshLambertMaterial( { color: 0xdddddd } ),
new THREE.MeshPhongMaterial( { color: 0xdddddd, specular: 0x009900, shininess: 30, shading: THREE.FlatShading } ),
new THREE.MeshPhongMaterial( { color: 0xdddddd, specular: 0x009900, shininess: 30, shading: THREE.SmoothShading } )
];
var geometry = new THREE.SphereGeometry( 50, 32, 16 );
for ( var i = 0; i < 5000; i ++ ) {
// random order
//var index = Math.floor( Math.random() * materials.length );
// sort by material / geometry
var index = Math.floor( ( i / 5000 ) * materials.length );
var material = materials[ index ];
var mesh = new THREE.Mesh( geometry, material );
mesh.position.x = Math.random() * 10000 - 5000;
mesh.position.y = Math.random() * 10000 - 5000;
mesh.position.z = Math.random() * 10000 - 5000;
//mesh.rotation.x = Math.random() * 360 * ( Math.PI / 180 );
mesh.rotation.y = Math.random() * 2 * Math.PI;
mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 4 + 1;
scene.add( mesh );
}
renderer = new THREE.WebGL2Renderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
if ( statsEnabled ) {
stats = new Stats();
container.appendChild( stats.dom );
}
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
//
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
windowHalfX = window.innerWidth / 2;
windowHalfY = window.innerHeight / 2;
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function generateTexture( r, g, b ) {
var canvas = document.createElement( 'canvas' );
canvas.width = 256;
canvas.height = 256;
var context = canvas.getContext( '2d' );
var image = context.getImageData( 0, 0, 256, 256 );
var x = 0, y = 0, p;
for ( var i = 0, j = 0, l = image.data.length; i < l; i += 4, j ++ ) {
x = j % 256;
y = x == 0 ? y + 1 : y;
p = Math.floor( x ^ y );
image.data[ i ] = ~~ p * r;
image.data[ i + 1 ] = ~~ p * g;
image.data[ i + 2 ] = ~~ p * b;
image.data[ i + 3 ] = 255;
}
context.putImageData( image, 0, 0 );
return canvas;
}
function onDocumentMouseMove(event) {
mouseX = ( event.clientX - windowHalfX ) * 10;
mouseY = ( event.clientY - windowHalfY ) * 10;
}
//
function animate() {
requestAnimationFrame( animate );
render();
if ( statsEnabled ) stats.update();
}
function render() {
camera.position.x += ( mouseX - camera.position.x ) * .05;
camera.position.y += ( - mouseY - camera.position.y ) * .05;
camera.lookAt( scene.position );
renderer.render( scene, camera );
}
</script>
</body>
</html>
src/Three.js
浏览文件 @ 2ff9d410
......@@ -3,6 +3,7 @@ import './polyfills.js';
export { WebGLRenderTargetCube } from './renderers/WebGLRenderTargetCube.js';
export { WebGLRenderTarget } from './renderers/WebGLRenderTarget.js';
export { WebGLRenderer } from './renderers/WebGLRenderer.js';
export { WebGL2Renderer } from './renderers/WebGL2Renderer.js';
export { ShaderLib } from './renderers/shaders/ShaderLib.js';
export { UniformsLib } from './renderers/shaders/UniformsLib.js';
export { UniformsUtils } from './renderers/shaders/UniformsUtils.js';
......
src/renderers/WebGL2Renderer.js 0 → 100644
浏览文件 @ 2ff9d410
/**
* @author mrdoob / http://mrdoob.com/
*/
import { REVISION } from '../constants';
import { WebGLExtensions } from './webgl/WebGLExtensions';
import { WebGLState } from './webgl/WebGLState';
import { Color } from '../math/Color';
import { Vector4 } from '../math/Vector4';
function WebGL2Renderer( parameters ) {
console.log( 'THREE.WebGL2Renderer', REVISION );
parameters = parameters || {};
var _canvas = parameters.canvas !== undefined ? parameters.canvas : document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' ),
_context = parameters.context !== undefined ? parameters.context : null,
_alpha = parameters.alpha !== undefined ? parameters.alpha : false,
_depth = parameters.depth !== undefined ? parameters.depth : true,
_stencil = parameters.stencil !== undefined ? parameters.stencil : true,
_antialias = parameters.antialias !== undefined ? parameters.antialias : false,
_premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,
_preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false;
// initialize
var gl;
try {
var attributes = {
alpha: _alpha,
depth: _depth,
stencil: _stencil,
antialias: _antialias,
premultipliedAlpha: _premultipliedAlpha,
preserveDrawingBuffer: _preserveDrawingBuffer
};
gl = _context || _canvas.getContext( 'webgl2', attributes );
if ( gl === null ) {
if ( _canvas.getContext( 'webgl2' ) !== null ) {
throw 'Error creating WebGL2 context with your selected attributes.';
} else {
throw 'Error creating WebGL2 context.';
}
}
_canvas.addEventListener( 'webglcontextlost', onContextLost, false );
} catch ( error ) {
console.error( 'THREE.WebGL2Renderer: ' + error );
}
//
var _this = this,
_autoClear = true,
_autoClearColor = true,
_autoClearDepth = true,
_autoClearStencil = true,
_clearColor = new Color( 0x000000 ),
_clearAlpha = 0,
_width = _canvas.width,
_height = _canvas.height,
_pixelRatio = 1,
_viewport = new Vector4( 0, 0, _width, _height );
var extensions = new WebGLExtensions( gl );
var state = new WebGLState( gl, extensions, function () {} );
//
function clear( color, depth, stencil ) {
var bits = 0;
if ( color === undefined || color ) bits |= gl.COLOR_BUFFER_BIT;
if ( depth === undefined || depth ) bits |= gl.DEPTH_BUFFER_BIT;
if ( stencil === undefined || stencil ) bits |= gl.STENCIL_BUFFER_BIT;
gl.clear( bits );
}
function setPixelRatio( value ) {
if ( value === undefined ) return;
_pixelRatio = value;
setSize( _viewport.z, _viewport.w, false );
}
function setSize( width, height, updateStyle ) {
_width = width;
_height = height;
_canvas.width = width * _pixelRatio;
_canvas.height = height * _pixelRatio;
if ( updateStyle !== false ) {
_canvas.style.width = width + 'px';
_canvas.style.height = height + 'px';
}
setViewport( 0, 0, width, height );
}
function setViewport( x, y, width, height ) {
state.viewport( _viewport.set( x, y, width, height ) );
}
function render( scene, camera ) {
if ( camera !== undefined && camera.isCamera !== true ) {
console.error( 'THREE.WebGL2Renderer.render: camera is not an instance of THREE.Camera.' );
return;
}
var background = scene.background;
var forceClear = false;
if ( background === null ) {
state.buffers.color.setClear( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha, _premultipliedAlpha );
} else if ( background && background.isColor ) {
state.buffers.color.setClear( background.r, background.g, background.b, 1, _premultipliedAlpha );
forceClear = true;
}
if ( _autoClear || forceClear ) {
this.clear( _autoClearColor, _autoClearDepth, _autoClearStencil );
}
}
function onContextLost( event ) {
event.preventDefault();
}
return {
domElement: _canvas,
clear: clear,
setPixelRatio: setPixelRatio,
setSize: setSize,
render: render
}
}
export { WebGL2Renderer };
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