mirror of
https://github.com/wahyd4/three.js.git
synced 2026-08-09 04:56:01 +10:00
278 lines
8.8 KiB
HTML
278 lines
8.8 KiB
HTML
<!doctype html>
|
|
<html lang="en">
|
|
<head>
|
|
<title>three.js webgl - materials - shaders [Phong, Lambert]</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;
|
|
color:#fff;
|
|
padding:0;
|
|
margin:0;
|
|
overflow:hidden;
|
|
font-family:georgia;
|
|
text-align:center;
|
|
}
|
|
h1 { }
|
|
a { color:skyblue }
|
|
canvas { pointer-events:none; z-index:10; }
|
|
#d { text-align:center; margin:1em 0 -19.7em 0; z-index:0; position:relative; display:block }
|
|
.button { background:orange; color:#fff; padding:0.2em 0.5em; cursor:pointer }
|
|
.inactive { background:#999; color:#eee }
|
|
</style>
|
|
</head>
|
|
|
|
<body>
|
|
<div id="d">
|
|
<h1>Blinn-Phong / Lambert materials</h1>
|
|
|
|
<span id="rcanvas" class="button inactive">2d canvas renderer</span>
|
|
<span id="rwebgl" class="button">WebGL renderer</span>
|
|
<br/>
|
|
|
|
<p><a href="http://github.com/mrdoob/three.js">Three.js</a> example
|
|
|
|
<br/>
|
|
<p>Best viewed in Chrome 9 or Firefox 4 using WebGL renderer.
|
|
<p>Canvas renderer is very slow on anything other than Chrome.
|
|
<p>Blinn-Phong shader only works in WebGL, canvas has only diffuse materials.
|
|
</div>
|
|
|
|
<script src="../build/Three.js"></script>
|
|
|
|
<script src="js/Detector.js"></script>
|
|
<script src="js/RequestAnimationFrame.js"></script>
|
|
<script src="js/Stats.js"></script>
|
|
|
|
<script>
|
|
|
|
var SCREEN_WIDTH = window.innerWidth;
|
|
var SCREEN_HEIGHT = window.innerHeight;
|
|
var FLOOR = -250;
|
|
|
|
var container, stats;
|
|
|
|
var camera, scene, canvasRenderer, webglRenderer;
|
|
|
|
var mesh, zmesh, lightMesh, geometry;
|
|
|
|
var directionalLight, pointLight;
|
|
|
|
var mouseX = 0, mouseY = 0;
|
|
|
|
var windowHalfX = window.innerWidth / 2;
|
|
var windowHalfY = window.innerHeight / 2;
|
|
|
|
var render_canvas = 0, render_gl = 1;
|
|
var has_gl = 0;
|
|
|
|
var bcanvas = document.getElementById( "rcanvas" );
|
|
var bwebgl = document.getElementById( "rwebgl" );
|
|
|
|
init();
|
|
animate();
|
|
|
|
render_canvas = !has_gl;
|
|
bwebgl.style.display = has_gl ? "inline" : "none";
|
|
bcanvas.className = render_canvas ? "button" : "button inactive";
|
|
|
|
function addMesh( geometry, scale, x, y, z, rx, ry, rz, material ) {
|
|
|
|
mesh = new THREE.Mesh( geometry, material );
|
|
|
|
mesh.scale.set( scale, scale, scale );
|
|
mesh.position.set( x, y, z );
|
|
mesh.rotation.set( rx, ry, rz );
|
|
|
|
mesh.overdraw = true;
|
|
|
|
scene.add( mesh );
|
|
|
|
}
|
|
|
|
function init() {
|
|
|
|
container = document.createElement( 'div' );
|
|
document.body.appendChild( container );
|
|
|
|
camera = new THREE.PerspectiveCamera( 75, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 100000 );
|
|
camera.position.z = 1000;
|
|
|
|
scene = new THREE.Scene();
|
|
|
|
// LIGHTS
|
|
|
|
var ambient = new THREE.AmbientLight( 0x101010 );
|
|
scene.add( ambient );
|
|
|
|
directionalLight = new THREE.DirectionalLight( 0xffffff );
|
|
directionalLight.position.set( 1, 1, 2 ).normalize();
|
|
scene.add( directionalLight );
|
|
|
|
pointLight = new THREE.PointLight( 0xffffff );
|
|
scene.add( pointLight );
|
|
|
|
// light representation
|
|
|
|
sphere = new THREE.SphereGeometry( 100, 16, 8 );
|
|
lightMesh = new THREE.Mesh( sphere, new THREE.MeshBasicMaterial( { color: 0xffaa00 } ) );
|
|
lightMesh.scale.set( 0.05, 0.05, 0.05 );
|
|
lightMesh.position = pointLight.position;
|
|
lightMesh.overdraw = true;
|
|
scene.add( lightMesh );
|
|
|
|
// material samples
|
|
|
|
sphere = new THREE.SphereGeometry( 100, 32, 32 );
|
|
|
|
var y1 = 0, y2 = - 200;
|
|
|
|
addMesh( sphere, 1, -600, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x050505, color: 0x000000, specular: 0x555555, shininess: 30 } ) );
|
|
addMesh( sphere, 1, -600, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0x050505 } ) );
|
|
|
|
addMesh( sphere, 1, -400, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0xffffff, specular: 0x555555, shininess: 30 } ) );
|
|
addMesh( sphere, 1, -400, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0xffffff } ) );
|
|
|
|
addMesh( sphere, 1, -200, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0xff5500, specular: 0x555555, shininess: 10 } ) );
|
|
addMesh( sphere, 1, -200, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0xff5500 } ) );
|
|
|
|
addMesh( sphere, 1, 0, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0xffaa00, specular: 0x555555, shininess: 30 } ) );
|
|
addMesh( sphere, 1, 0, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0xffaa00 } ) );
|
|
|
|
addMesh( sphere, 1, 200, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0x55ff00, specular: 0x555555, shininess: 30 } ) );
|
|
addMesh( sphere, 1, 200, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0x55ff00 } ) );
|
|
|
|
addMesh( sphere, 1, 400, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0x0055ff, specular: 0x555555, shininess: 30 } ) );
|
|
addMesh( sphere, 1, 400, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0x0055ff } ) );
|
|
|
|
addMesh( sphere, 1, 600, y1, 0, 0,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0x5500ff, specular: 0x555555, shininess: 30 } ) );
|
|
addMesh( sphere, 1, 600, y2, 0, 0,0,0, new THREE.MeshLambertMaterial( { color: 0x5500ff } ) );
|
|
|
|
addToruses( new THREE.TorusGeometry( 100, 20, 32, 32 ) );
|
|
|
|
//
|
|
|
|
if ( render_gl ) {
|
|
|
|
try {
|
|
|
|
webglRenderer = new THREE.WebGLRenderer();
|
|
webglRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
|
|
webglRenderer.domElement.style.position = "relative";
|
|
container.appendChild( webglRenderer.domElement );
|
|
has_gl = 1;
|
|
|
|
} catch (e) {
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if ( render_canvas ) {
|
|
|
|
canvasRenderer = new THREE.CanvasRenderer();
|
|
canvasRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
|
|
container.appendChild( canvasRenderer.domElement );
|
|
|
|
}
|
|
|
|
//
|
|
|
|
stats = new Stats();
|
|
stats.domElement.style.position = 'absolute';
|
|
stats.domElement.style.top = '0px';
|
|
stats.domElement.style.zIndex = 100;
|
|
container.appendChild( stats.domElement );
|
|
|
|
bcanvas.addEventListener("click", toggleCanvas, false);
|
|
bwebgl.addEventListener("click", toggleWebGL, false);
|
|
|
|
document.addEventListener('mousemove', onDocumentMouseMove, false);
|
|
|
|
}
|
|
|
|
function addToruses( geometry ) {
|
|
|
|
var s = 0.85, t = s + 100, y = 200, rx = 0;
|
|
|
|
addMesh( geometry, s, -6*t, y, 0, rx,0,0, new THREE.MeshPhongMaterial( { ambient: 0x000000, color: 0x000000, specular: 0x333333, shininess: 10 } ) );
|
|
addMesh( geometry, s, -4*t, y, 0, rx,0,0, new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0x888888, specular: 0x333333, shininess: 10 } ) );
|
|
addMesh( geometry, s, -2*t, y, 0, rx,0,0, new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0x030303, specular: 0xff5500, shininess: 10 } ) );
|
|
addMesh( geometry, s, 0, y, 0, rx,0,0, new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0x030303, specular: 0xffaa00, shininess: 10 } ) );
|
|
addMesh( geometry, s, 2*t, y, 0, rx,0,0, new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0x030303, specular: 0x55ff00, shininess: 10 } ) );
|
|
addMesh( geometry, s, 4*t, y, 0, rx,0,0, new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0x030303, specular: 0x0055ff, shininess: 10 } ) );
|
|
addMesh( geometry, s, 6*t, y, 0, rx,0,0, new THREE.MeshPhongMaterial( { ambient: 0x030303, color: 0x030303, specular: 0x5500ff, shininess: 10 } ) );
|
|
|
|
}
|
|
|
|
|
|
function onDocumentMouseMove(event) {
|
|
|
|
mouseX = ( event.clientX - windowHalfX );
|
|
mouseY = ( event.clientY - windowHalfY );
|
|
|
|
}
|
|
|
|
//
|
|
|
|
function animate() {
|
|
|
|
requestAnimationFrame( animate );
|
|
|
|
render();
|
|
stats.update();
|
|
|
|
}
|
|
|
|
function render() {
|
|
|
|
var timer = -0.0002 * Date.now();
|
|
|
|
camera.position.x += ( mouseX - camera.position.x ) * .05;
|
|
camera.position.y += ( - mouseY - camera.position.y ) * .05;
|
|
|
|
camera.lookAt( scene.position );
|
|
|
|
lightMesh.position.x = 700 * Math.cos( timer );
|
|
lightMesh.position.z = 700 * Math.sin( timer );
|
|
|
|
if ( render_canvas ) canvasRenderer.render( scene, camera );
|
|
if ( render_gl && has_gl ) webglRenderer.render( scene, camera );
|
|
|
|
}
|
|
|
|
function toggleCanvas() {
|
|
|
|
render_canvas = !render_canvas;
|
|
bcanvas.className = render_canvas ? "button" : "button inactive";
|
|
|
|
render_gl = !render_canvas;
|
|
bwebgl.className = render_gl ? "button" : "button inactive";
|
|
|
|
if( has_gl )
|
|
webglRenderer.domElement.style.display = render_gl ? "block" : "none";
|
|
|
|
canvasRenderer.domElement.style.display = render_canvas ? "block" : "none";
|
|
|
|
}
|
|
|
|
function toggleWebGL() {
|
|
|
|
render_gl = !render_gl;
|
|
bwebgl.className = render_gl ? "button" : "button inactive";
|
|
|
|
render_canvas = !render_gl;
|
|
bcanvas.className = render_canvas ? "button" : "button inactive";
|
|
|
|
if( has_gl )
|
|
webglRenderer.domElement.style.display = render_gl ? "block" : "none";
|
|
|
|
canvasRenderer.domElement.style.display = render_canvas ? "block" : "none";
|
|
|
|
}
|
|
</script>
|
|
|
|
</body>
|
|
</html>
|