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three.js

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提交 22182b08 编写于 作者: M Mr.doob
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Improved OrbitControls and added example.

上级 bdfdf6c6
隐藏空白更改
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Showing with 208 addition and 45 deletion
examples/misc_camera_orbit.html 0 → 100644
浏览文件 @ 22182b08
<!doctype html>
<html lang="en">
<head>
<title>three.js webgl - orbit camera</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 {
color: #000;
font-family:Monospace;
font-size:13px;
text-align:center;
font-weight: bold;
background-color: #fff;
margin: 0px;
overflow: hidden;
}
#info {
color:#000;
position: absolute;
top: 0px; width: 100%;
padding: 5px;
}
a {
color: red;
}
</style>
</head>
<body>
<div id="container"></div>
<div id="info">
<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - orbit camera example
</div>
<script src="../build/Three.js"></script>
<script src="js/Detector.js"></script>
<script src="js/Stats.js"></script>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats;
var camera, controls, scene, renderer;
var cross;
init();
animate();
function init() {
// scene and camera
scene = new THREE.Scene();
scene.fog = new THREE.FogExp2( 0xcccccc, 0.002 );
camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 1000 );
camera.position.z = 500;
scene.add( camera );
controls = new THREE.OrbitControls( camera );
controls.addEventListener( 'change', render );
// world
var geometry = new THREE.CylinderGeometry( 0, 10, 30, 4, 1 );
var material = new THREE.MeshLambertMaterial( { color:0xffffff, shading: THREE.FlatShading } );
for ( var i = 0; i < 500; i ++ ) {
var mesh = new THREE.Mesh( geometry, material );
mesh.position.x = ( Math.random() - 0.5 ) * 1000;
mesh.position.y = ( Math.random() - 0.5 ) * 1000;
mesh.position.z = ( Math.random() - 0.5 ) * 1000;
mesh.updateMatrix();
mesh.matrixAutoUpdate = false;
scene.add( mesh );
}
// lights
light = new THREE.DirectionalLight( 0xffffff );
light.position.set( 1, 1, 1 );
scene.add( light );
light = new THREE.DirectionalLight( 0x002288 );
light.position.set( -1, -1, -1 );
scene.add( light );
light = new THREE.AmbientLight( 0x222222 );
scene.add( light );
// renderer
renderer = new THREE.WebGLRenderer( { antialias: false } );
renderer.setClearColor( scene.fog.color, 1 );
renderer.setSize( window.innerWidth, window.innerHeight );
container = document.getElementById( 'container' );
container.appendChild( renderer.domElement );
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
stats.domElement.style.zIndex = 100;
container.appendChild( stats.domElement );
}
function animate() {
requestAnimationFrame( animate );
controls.update();
}
function render() {
renderer.render( scene, camera );
stats.update();
}
</script>
</body>
</html>
examples/misc_camera_trackball.html
浏览文件 @ 22182b08
......@@ -5,28 +5,29 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
color: #000;
font-family:Monospace;
font-size:13px;
text-align:center;
font-weight: bold;
background-color: #fff;
margin: 0px;
overflow: hidden;
}
#info {
color:#000;
position: absolute;
top: 0px; width: 100%;
padding: 5px;
body {
color: #000;
font-family:Monospace;
font-size:13px;
text-align:center;
font-weight: bold;
background-color: #fff;
margin: 0px;
overflow: hidden;
}
}
#info {
color:#000;
position: absolute;
top: 0px; width: 100%;
padding: 5px;
a { color: red; }
}
a {
color: red;
}
</style>
</head>
......
src/extras/controls/OrbitControls.js
浏览文件 @ 22182b08
/**
* @author qiao / https://github.com/qiao
* @author mrdoob / http://mrdoob.com
*/
THREE.OrbitControls = function( object, domElement ) {
THREE.OrbitControls = function ( object, domElement ) {
THREE.EventTarget.call( this );
this.object = object;
this.domElement = ( domElement !== undefined ? domElement : document );
this.domElement = ( domElement !== undefined ) ? domElement : document;
// API
this.center = new THREE.Vector3( 0, 0, 0 );
this.center = new THREE.Vector3();
this.userZoom = true;
this.userZoomSpeed = 1.0;
......@@ -22,7 +25,7 @@ THREE.OrbitControls = function( object, domElement ) {
// internals
var self = this;
var scope = this;
var EPS = 0.000001;
var PIXELS_PER_ROUND = 1800;
......@@ -30,11 +33,18 @@ THREE.OrbitControls = function( object, domElement ) {
var rotateStart = new THREE.Vector2();
var rotateEnd = new THREE.Vector2();
var rotateDelta = new THREE.Vector2();
var rotating = false;
var phiDelta = 0;
var thetaDelta = 0;
var scale = 1;
var lastPosition = new THREE.Vector3();
// events
var changeEvent = { type: 'change' };
this.rotateLeft = function ( angle ) {
if ( angle === undefined ) {
......@@ -142,72 +152,84 @@ THREE.OrbitControls = function( object, domElement ) {
thetaDelta = 0;
phiDelta = 0;
scale = 1;
if ( lastPosition.distanceTo( this.object.position ) > 0 ) {
this.dispatchEvent( changeEvent );
lastPosition.copy( this.object.position );
}
};
function getAutoRotationAngle() {
return 2 * Math.PI / 60 / 60 * self.autoRotateSpeed;
return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;
}
function getZoomScale() {
return Math.pow( 0.95, self.userZoomSpeed );
return Math.pow( 0.95, scope.userZoomSpeed );
}
function onMouseMove( event ) {
function onMouseDown( event ) {
if ( !rotating ) return;
if ( !scope.userRotate ) return;
rotateEnd.set( event.clientX, event.clientY );
rotateDelta.sub( rotateEnd, rotateStart );
event.preventDefault();
self.rotateLeft( 2 * Math.PI * rotateDelta.x / PIXELS_PER_ROUND * self.userRotateSpeed );
self.rotateUp( 2 * Math.PI * rotateDelta.y / PIXELS_PER_ROUND * self.userRotateSpeed );
rotateStart.set( event.clientX, event.clientY );
rotateStart.copy( rotateEnd );
document.addEventListener( 'mousemove', onMouseMove, false );
document.addEventListener( 'mouseup', onMouseUp, false );
}
function onMouseDown( event ) {
function onMouseMove( event ) {
if ( !self.userRotate ) return;
event.preventDefault();
rotateStart.set( event.clientX, event.clientY );
rotating = true;
rotateEnd.set( event.clientX, event.clientY );
rotateDelta.sub( rotateEnd, rotateStart );
scope.rotateLeft( 2 * Math.PI * rotateDelta.x / PIXELS_PER_ROUND * scope.userRotateSpeed );
scope.rotateUp( 2 * Math.PI * rotateDelta.y / PIXELS_PER_ROUND * scope.userRotateSpeed );
rotateStart.copy( rotateEnd );
}
function onMouseUp( event ) {
if ( !self.userRotate ) return;
if ( ! scope.userRotate ) return;
rotating = false;
document.removeEventListener( 'mousemove', onMouseMove, false );
document.removeEventListener( 'mouseup', onMouseUp, false );
}
function onMouseWheel( event ) {
if ( !self.userZoom ) return;
if ( ! scope.userZoom ) return;
if ( event.wheelDelta > 0 ) {
self.zoomOut();
scope.zoomOut();
} else {
self.zoomIn();
scope.zoomIn();
}
}
this.domElement.addEventListener( 'contextmenu', function ( event ) { event.preventDefault(); }, false );
this.domElement.addEventListener( 'mousemove', onMouseMove, false );
this.domElement.addEventListener( 'mousedown', onMouseDown, false );
this.domElement.addEventListener( 'mouseup', onMouseUp, false );
this.domElement.addEventListener( 'mousewheel', onMouseWheel, false );
};
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