<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js canvas - lines - colors</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-color: #000000;
margin: 0px;
overflow: hidden;
} a {
color:#0078ff;
} #info {
position: absolute;
top: 10px; width: 100%;
color: #ffffff;
padding: 5px;
font-family: Monospace;
font-size: 13px;
text-align: center;
z-index:100;
} a {
color: orange;
text-decoration: none;
} a:hover {
color: #0080ff;
} </style>
</head>
<body> <div id="info">
<a href="http://threejs.org" target="_blank">three.js</a> - color lines
[<a href="http://en.wikipedia.org/wiki/Hilbert_curve">Hilbert curve</a> thanks to <a href="http://www.openprocessing.org/visuals/?visualID=15599">Thomas Diewald</a>]
</div> <script src="../build/three.js"></script> <script src="js/renderers/Projector.js"></script>
<script src="js/renderers/CanvasRenderer.js"></script> <script src="js/Detector.js"></script>
<script src="js/libs/stats.min.js"></script>
<script src="js/geometries/hilbert3D.js"></script> <script> if ( ! Detector.webgl ) Detector.addGetWebGLMessage(); var mouseX = 0, mouseY = 0, windowHalfX = window.innerWidth / 2,
windowHalfY = window.innerHeight / 2, camera, scene, renderer, material;
var zoom=20;
var line; init();
animate(); function init() { var i, container; container = document.createElement( 'div' );
document.body.appendChild( container ); camera = new THREE.PerspectiveCamera( 33, window.innerWidth / window.innerHeight, 1, 10000 );
camera.position.z = 500; scene = new THREE.Scene(); renderer = new THREE.CanvasRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement ); var geometry3 = new THREE.Geometry(),
points = hilbert3D( new THREE.Vector3( 0,0,0 ), 200.0, 2, 0, 1, 2, 3, 4, 5, 6, 7 ), //起点，范围，迭代次数。
colors3 = []; for ( i = 0; i < points.length; i ++ ) { geometry3.vertices.push( points[ i ] ); colors3[ i ] = new THREE.Color( 0xffffff );
colors3[ i ].setHSL( i / points.length, 1.0, 0.5 );
} geometry3.colors = colors3; // lines material = new THREE.LineBasicMaterial( { color: 0xffffff, opacity: 1, linewidth: 3, vertexColors: THREE.VertexColors } ); var p, scale = 0.3, d = 225; line = new THREE.Line(geometry3, material );
line.scale.x = line.scale.y = line.scale.z = scale*1.5;
line.position.x = 0;
line.position.y = 0;
line.position.z = 0;
scene.add( line ); // stats = new Stats();
//container.appendChild( stats.dom ); // document.addEventListener( 'mousemove', onDocumentMouseMove, false );
document.addEventListener( 'touchstart', onDocumentTouchStart, false );
document.addEventListener( 'touchmove', onDocumentTouchMove, false );
document.addEventListener( 'mousewheel', onMouseWheel, 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 onDocumentMouseMove( event ) { mouseX = event.clientX - windowHalfX;
mouseY = event.clientY - windowHalfY; }
function onMouseWheel(event){
if(event.wheelDelta > 0){ //前滚
camera.position.z-=zoom; }else
{
camera.position.z+=zoom; }
}
function onDocumentTouchStart( event ) { if ( event.touches.length > 1 ) { event.preventDefault(); mouseX = event.touches[ 0 ].pageX - windowHalfX;
mouseY = event.touches[ 0 ].pageY - windowHalfY; } } function onDocumentTouchMove( event ) { if ( event.touches.length == 1 ) { event.preventDefault(); mouseX = event.touches[ 0 ].pageX - windowHalfX;
mouseY = event.touches[ 0 ].pageY - windowHalfY;
} } // function animate() { requestAnimationFrame( animate );
render(); stats.update(); } function render() { camera.position.x += ( +mouseX - camera.position.x ) *0.05 ;
camera.position.y += ( -mouseY + 200 - camera.position.y )*0.05 ; camera.lookAt( scene.position ); var time = Date.now() * 0.0005; // for ( var i = 0; i < scene.children.length; i ++ ) {
//
// var object = scene.children[ i ];
// if ( object instanceof THREE.Line ) object.rotation.y = time * ( i % 2 ? 1 : -1 );
//
// }
line.rotation.y+=0.01; //代替上一段代码旋转
renderer.render(scene, camera ); } </script>
</body>
</html>