├── .gitattributes ├── .gitignore ├── LICENSE ├── README.md ├── app.js ├── bin └── www ├── package.json ├── public ├── images │ └── loading.gif ├── javascripts │ ├── OrbitControls.js │ ├── jquery.min.js │ ├── main.js │ ├── musicVisualizer.js │ └── three.min.js └── stylesheets │ └── style.css ├── routes ├── index.js └── users.js └── views ├── error.ejs └── index.ejs /.gitattributes: -------------------------------------------------------------------------------- 1 | # Auto detect text files and perform LF normalization 2 | * text=auto 3 | 4 | # Custom for Visual Studio 5 | *.cs diff=csharp 6 | 7 | # Standard to msysgit 8 | *.doc diff=astextplain 9 | *.DOC diff=astextplain 10 | *.docx diff=astextplain 11 | *.DOCX diff=astextplain 12 | *.dot diff=astextplain 13 | *.DOT diff=astextplain 14 | *.pdf diff=astextplain 15 | *.PDF diff=astextplain 16 | *.rtf diff=astextplain 17 | *.RTF diff=astextplain 18 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Windows image file caches 2 | Thumbs.db 3 | ehthumbs.db 4 | 5 | # Folder config file 6 | Desktop.ini 7 | 8 | # Recycle Bin used on file shares 9 | $RECYCLE.BIN/ 10 | 11 | # Windows Installer files 12 | *.cab 13 | *.msi 14 | *.msm 15 | *.msp 16 | 17 | # Windows shortcuts 18 | *.lnk 19 | 20 | # ========================= 21 | # Operating System Files 22 | # ========================= 23 | 24 | # OSX 25 | # ========================= 26 | 27 | .DS_Store 28 | .AppleDouble 29 | .LSOverride 30 | 31 | # Thumbnails 32 | ._* 33 | 34 | # Files that might appear on external disk 35 | .Spotlight-V100 36 | .Trashes 37 | 38 | # Directories potentially created on remote AFP share 39 | .AppleDB 40 | .AppleDesktop 41 | Network Trash Folder 42 | Temporary Items 43 | .apdisk 44 | 45 | # Dependency directory 46 | node_modules 47 | 48 | *.mp3 -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2015-present PanJiaChen 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Music-Visualization 2 | 音乐可视化 3 | 4 | 通过html5 分析音频 可视化音乐； 5 | 6 | npm install 7 | 8 | 启一下服务 9 | 10 | 将一首mp3格式的歌曲发在public/media目录下 或加载本地歌曲； 11 | 线上demo：http://panjiachen.github.io/Music-Visualization/ 12 | -------------------------------------------------------------------------------- /app.js: -------------------------------------------------------------------------------- 1 | var express = require('express'); 2 | var path = require('path'); 3 | var favicon = require('serve-favicon'); 4 | var logger = require('morgan'); 5 | var cookieParser = require('cookie-parser'); 6 | var bodyParser = require('body-parser'); 7 | 8 | var routes = require('./routes/index'); 9 | var users = require('./routes/users'); 10 | 11 | var app = express(); 12 | 13 | // view engine setup 14 | app.set('views', path.join(__dirname, 'views')); 15 | app.set('view engine', 'ejs'); 16 | 17 | // uncomment after placing your favicon in /public 18 | //app.use(favicon(__dirname + '/public/favicon.ico')); 19 | app.use(logger('dev')); 20 | app.use(bodyParser.json()); 21 | app.use(bodyParser.urlencoded({ extended: false })); 22 | app.use(cookieParser()); 23 | app.use(express.static(path.join(__dirname, 'public'))); 24 | 25 | app.use('/', routes); 26 | app.use('/users', users); 27 | 28 | // catch 404 and forward to error handler 29 | app.use(function(req, res, next) { 30 | var err = new Error('Not Found'); 31 | err.status = 404; 32 | next(err); 33 | }); 34 | 35 | // error handlers 36 | 37 | // development error handler 38 | // will print stacktrace 39 | if (app.get('env') === 'development') { 40 | app.use(function(err, req, res, next) { 41 | res.status(err.status || 500); 42 | res.render('error', { 43 | message: err.message, 44 | error: err 45 | }); 46 | }); 47 | } 48 | 49 | // production error handler 50 | // no stacktraces leaked to user 51 | app.use(function(err, req, res, next) { 52 | res.status(err.status || 500); 53 | res.render('error', { 54 | message: err.message, 55 | error: {} 56 | }); 57 | }); 58 | 59 | 60 | module.exports = app; 61 | -------------------------------------------------------------------------------- /bin/www: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env node 2 | 3 | /** 4 | * Module dependencies. 5 | */ 6 | 7 | var app = require('../app'); 8 | var debug = require('debug')('Music-Visualization:server'); 9 | var http = require('http'); 10 | 11 | /** 12 | * Get port from environment and store in Express. 13 | */ 14 | 15 | var port = normalizePort(process.env.PORT || '3000'); 16 | app.set('port', port); 17 | 18 | /** 19 | * Create HTTP server. 20 | */ 21 | 22 | var server = http.createServer(app); 23 | 24 | /** 25 | * Listen on provided port, on all network interfaces. 26 | */ 27 | 28 | server.listen(port); 29 | server.on('error', onError); 30 | server.on('listening', onListening); 31 | 32 | /** 33 | * Normalize a port into a number, string, or false. 34 | */ 35 | 36 | function normalizePort(val) { 37 | var port = parseInt(val, 10); 38 | 39 | if (isNaN(port)) { 40 | // named pipe 41 | return val; 42 | } 43 | 44 | if (port >= 0) { 45 | // port number 46 | return port; 47 | } 48 | 49 | return false; 50 | } 51 | 52 | /** 53 | * Event listener for HTTP server "error" event. 54 | */ 55 | 56 | function onError(error) { 57 | if (error.syscall !== 'listen') { 58 | throw error; 59 | } 60 | 61 | var bind = typeof port === 'string' 62 | ? 'Pipe ' + port 63 | : 'Port ' + port 64 | 65 | // handle specific listen errors with friendly messages 66 | switch (error.code) { 67 | case 'EACCES': 68 | console.error(bind + ' requires elevated privileges'); 69 | process.exit(1); 70 | break; 71 | case 'EADDRINUSE': 72 | console.error(bind + ' is already in use'); 73 | process.exit(1); 74 | break; 75 | default: 76 | throw error; 77 | } 78 | } 79 | 80 | /** 81 | * Event listener for HTTP server "listening" event. 82 | */ 83 | 84 | function onListening() { 85 | var addr = server.address(); 86 | var bind = typeof addr === 'string' 87 | ? 'pipe ' + addr 88 | : 'port ' + addr.port; 89 | debug('Listening on ' + bind); 90 | } 91 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "Music-Visualization", 3 | "version": "0.0.0", 4 | "private": true, 5 | "scripts": { 6 | "start": "node ./bin/www" 7 | }, 8 | "dependencies": { 9 | "body-parser": "~1.10.2", 10 | "cookie-parser": "~1.3.3", 11 | "debug": "~2.1.1", 12 | "ejs": "~2.2.3", 13 | "express": "~4.11.1", 14 | "morgan": "~1.5.1", 15 | "serve-favicon": "~2.2.0" 16 | } 17 | } -------------------------------------------------------------------------------- /public/images/loading.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/PanJiaChen/Music-Visualization/b387076320ef1bb7a413ff5200fcfbaf5aecc5b0/public/images/loading.gif -------------------------------------------------------------------------------- /public/javascripts/OrbitControls.js: -------------------------------------------------------------------------------- 1 | /** 2 | * @author qiao / https://github.com/qiao 3 | * @author mrdoob / http://mrdoob.com 4 | * @author alteredq / http://alteredqualia.com/ 5 | * @author WestLangley / http://github.com/WestLangley 6 | * @author erich666 / http://erichaines.com 7 | */ 8 | /*global THREE, console */ 9 | 10 | // This set of controls performs orbiting, dollying (zooming), and panning. It maintains 11 | // the "up" direction as +Y, unlike the TrackballControls. Touch on tablet and phones is 12 | // supported. 13 | // 14 | // Orbit - left mouse / touch: one finger move 15 | // Zoom - middle mouse, or mousewheel / touch: two finger spread or squish 16 | // Pan - right mouse, or arrow keys / touch: three finter swipe 17 | // 18 | // This is a drop-in replacement for (most) TrackballControls used in examples. 19 | // That is, include this js file and wherever you see: 20 | // controls = new THREE.TrackballControls( camera ); 21 | // controls.target.z = 150; 22 | // Simple substitute "OrbitControls" and the control should work as-is. 23 | 24 | THREE.OrbitControls = function ( object, domElement ) { 25 | 26 | this.object = object; 27 | this.domElement = ( domElement !== undefined ) ? domElement : document; 28 | 29 | // API 30 | 31 | // Set to false to disable this control 32 | this.enabled = true; 33 | 34 | // "target" sets the location of focus, where the control orbits around 35 | // and where it pans with respect to. 36 | this.target = new THREE.Vector3(); 37 | 38 | // center is old, deprecated; use "target" instead 39 | this.center = this.target; 40 | 41 | // This option actually enables dollying in and out; left as "zoom" for 42 | // backwards compatibility 43 | this.noZoom = false; 44 | this.zoomSpeed = 1.0; 45 | 46 | // Limits to how far you can dolly in and out 47 | this.minDistance = 0; 48 | this.maxDistance = Infinity; 49 | 50 | // Set to true to disable this control 51 | this.noRotate = false; 52 | this.rotateSpeed = 1.0; 53 | 54 | // Set to true to disable this control 55 | this.noPan = false; 56 | this.keyPanSpeed = 7.0; // pixels moved per arrow key push 57 | 58 | // Set to true to automatically rotate around the target 59 | this.autoRotate = false; 60 | this.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60 61 | 62 | // How far you can orbit vertically, upper and lower limits. 63 | // Range is 0 to Math.PI radians. 64 | this.minPolarAngle = 0; // radians 65 | this.maxPolarAngle = Math.PI; // radians 66 | 67 | // How far you can orbit horizontally, upper and lower limits. 68 | // If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ]. 69 | this.minAzimuthAngle = - Infinity; // radians 70 | this.maxAzimuthAngle = Infinity; // radians 71 | 72 | // Set to true to disable use of the keys 73 | this.noKeys = false; 74 | 75 | // The four arrow keys 76 | this.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 }; 77 | 78 | // Mouse buttons 79 | this.mouseButtons = { ORBIT: THREE.MOUSE.LEFT, ZOOM: THREE.MOUSE.MIDDLE, PAN: THREE.MOUSE.RIGHT }; 80 | 81 | //////////// 82 | // internals 83 | 84 | var scope = this; 85 | 86 | var EPS = 0.000001; 87 | 88 | var rotateStart = new THREE.Vector2(); 89 | var rotateEnd = new THREE.Vector2(); 90 | var rotateDelta = new THREE.Vector2(); 91 | 92 | var panStart = new THREE.Vector2(); 93 | var panEnd = new THREE.Vector2(); 94 | var panDelta = new THREE.Vector2(); 95 | var panOffset = new THREE.Vector3(); 96 | 97 | var offset = new THREE.Vector3(); 98 | 99 | var dollyStart = new THREE.Vector2(); 100 | var dollyEnd = new THREE.Vector2(); 101 | var dollyDelta = new THREE.Vector2(); 102 | 103 | var theta; 104 | var phi; 105 | var phiDelta = 0; 106 | var thetaDelta = 0; 107 | var scale = 1; 108 | var pan = new THREE.Vector3(); 109 | 110 | var lastPosition = new THREE.Vector3(); 111 | var lastQuaternion = new THREE.Quaternion(); 112 | 113 | var STATE = { NONE : -1, ROTATE : 0, DOLLY : 1, PAN : 2, TOUCH_ROTATE : 3, TOUCH_DOLLY : 4, TOUCH_PAN : 5 }; 114 | 115 | var state = STATE.NONE; 116 | 117 | // for reset 118 | 119 | this.target0 = this.target.clone(); 120 | this.position0 = this.object.position.clone(); 121 | 122 | // so camera.up is the orbit axis 123 | 124 | var quat = new THREE.Quaternion().setFromUnitVectors( object.up, new THREE.Vector3( 0, 1, 0 ) ); 125 | var quatInverse = quat.clone().inverse(); 126 | 127 | // events 128 | 129 | var changeEvent = { type: 'change' }; 130 | var startEvent = { type: 'start'}; 131 | var endEvent = { type: 'end'}; 132 | 133 | this.rotateLeft = function ( angle ) { 134 | 135 | if ( angle === undefined ) { 136 | 137 | angle = getAutoRotationAngle(); 138 | 139 | } 140 | 141 | thetaDelta -= angle; 142 | 143 | }; 144 | 145 | this.rotateUp = function ( angle ) { 146 | 147 | if ( angle === undefined ) { 148 | 149 | angle = getAutoRotationAngle(); 150 | 151 | } 152 | 153 | phiDelta -= angle; 154 | 155 | }; 156 | 157 | // pass in distance in world space to move left 158 | this.panLeft = function ( distance ) { 159 | 160 | var te = this.object.matrix.elements; 161 | 162 | // get X column of matrix 163 | panOffset.set( te[ 0 ], te[ 1 ], te[ 2 ] ); 164 | panOffset.multiplyScalar( - distance ); 165 | 166 | pan.add( panOffset ); 167 | 168 | }; 169 | 170 | // pass in distance in world space to move up 171 | this.panUp = function ( distance ) { 172 | 173 | var te = this.object.matrix.elements; 174 | 175 | // get Y column of matrix 176 | panOffset.set( te[ 4 ], te[ 5 ], te[ 6 ] ); 177 | panOffset.multiplyScalar( distance ); 178 | 179 | pan.add( panOffset ); 180 | 181 | }; 182 | 183 | // pass in x,y of change desired in pixel space, 184 | // right and down are positive 185 | this.pan = function ( deltaX, deltaY ) { 186 | 187 | var element = scope.domElement === document ? scope.domElement.body : scope.domElement; 188 | 189 | if ( scope.object.fov !== undefined ) { 190 | 191 | // perspective 192 | var position = scope.object.position; 193 | var offset = position.clone().sub( scope.target ); 194 | var targetDistance = offset.length(); 195 | 196 | // half of the fov is center to top of screen 197 | targetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 ); 198 | 199 | // we actually don't use screenWidth, since perspective camera is fixed to screen height 200 | scope.panLeft( 2 * deltaX * targetDistance / element.clientHeight ); 201 | scope.panUp( 2 * deltaY * targetDistance / element.clientHeight ); 202 | 203 | } else if ( scope.object.top !== undefined ) { 204 | 205 | // orthographic 206 | scope.panLeft( deltaX * (scope.object.right - scope.object.left) / element.clientWidth ); 207 | scope.panUp( deltaY * (scope.object.top - scope.object.bottom) / element.clientHeight ); 208 | 209 | } else { 210 | 211 | // camera neither orthographic or perspective 212 | console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' ); 213 | 214 | } 215 | 216 | }; 217 | 218 | this.dollyIn = function ( dollyScale ) { 219 | 220 | if ( dollyScale === undefined ) { 221 | 222 | dollyScale = getZoomScale(); 223 | 224 | } 225 | 226 | scale /= dollyScale; 227 | 228 | }; 229 | 230 | this.dollyOut = function ( dollyScale ) { 231 | 232 | if ( dollyScale === undefined ) { 233 | 234 | dollyScale = getZoomScale(); 235 | 236 | } 237 | 238 | scale *= dollyScale; 239 | 240 | }; 241 | 242 | this.update = function () { 243 | 244 | var position = this.object.position; 245 | 246 | offset.copy( position ).sub( this.target ); 247 | 248 | // rotate offset to "y-axis-is-up" space 249 | offset.applyQuaternion( quat ); 250 | 251 | // angle from z-axis around y-axis 252 | 253 | theta = Math.atan2( offset.x, offset.z ); 254 | 255 | // angle from y-axis 256 | 257 | phi = Math.atan2( Math.sqrt( offset.x * offset.x + offset.z * offset.z ), offset.y ); 258 | 259 | if ( this.autoRotate && state === STATE.NONE ) { 260 | 261 | this.rotateLeft( getAutoRotationAngle() ); 262 | 263 | } 264 | 265 | theta += thetaDelta; 266 | phi += phiDelta; 267 | 268 | // restrict theta to be between desired limits 269 | theta = Math.max( this.minAzimuthAngle, Math.min( this.maxAzimuthAngle, theta ) ); 270 | 271 | // restrict phi to be between desired limits 272 | phi = Math.max( this.minPolarAngle, Math.min( this.maxPolarAngle, phi ) ); 273 | 274 | // restrict phi to be betwee EPS and PI-EPS 275 | phi = Math.max( EPS, Math.min( Math.PI - EPS, phi ) ); 276 | 277 | var radius = offset.length() * scale; 278 | 279 | // restrict radius to be between desired limits 280 | radius = Math.max( this.minDistance, Math.min( this.maxDistance, radius ) ); 281 | 282 | // move target to panned location 283 | this.target.add( pan ); 284 | 285 | offset.x = radius * Math.sin( phi ) * Math.sin( theta ); 286 | offset.y = radius * Math.cos( phi ); 287 | offset.z = radius * Math.sin( phi ) * Math.cos( theta ); 288 | 289 | // rotate offset back to "camera-up-vector-is-up" space 290 | offset.applyQuaternion( quatInverse ); 291 | 292 | position.copy( this.target ).add( offset ); 293 | 294 | this.object.lookAt( this.target ); 295 | 296 | thetaDelta = 0; 297 | phiDelta = 0; 298 | scale = 1; 299 | pan.set( 0, 0, 0 ); 300 | 301 | // update condition is: 302 | // min(camera displacement, camera rotation in radians)^2 > EPS 303 | // using small-angle approximation cos(x/2) = 1 - x^2 / 8 304 | 305 | if ( lastPosition.distanceToSquared( this.object.position ) > EPS 306 | || 8 * (1 - lastQuaternion.dot(this.object.quaternion)) > EPS ) { 307 | 308 | this.dispatchEvent( changeEvent ); 309 | 310 | lastPosition.copy( this.object.position ); 311 | lastQuaternion.copy (this.object.quaternion ); 312 | 313 | } 314 | 315 | }; 316 | 317 | 318 | this.reset = function () { 319 | 320 | state = STATE.NONE; 321 | 322 | this.target.copy( this.target0 ); 323 | this.object.position.copy( this.position0 ); 324 | 325 | this.update(); 326 | 327 | }; 328 | 329 | this.getPolarAngle = function () { 330 | 331 | return phi; 332 | 333 | }; 334 | 335 | this.getAzimuthalAngle = function () { 336 | 337 | return theta 338 | 339 | }; 340 | 341 | function getAutoRotationAngle() { 342 | 343 | return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed; 344 | 345 | } 346 | 347 | function getZoomScale() { 348 | 349 | return Math.pow( 0.95, scope.zoomSpeed ); 350 | 351 | } 352 | 353 | function onMouseDown( event ) { 354 | 355 | if ( scope.enabled === false ) return; 356 | event.preventDefault(); 357 | 358 | if ( event.button === scope.mouseButtons.ORBIT ) { 359 | if ( scope.noRotate === true ) return; 360 | 361 | state = STATE.ROTATE; 362 | 363 | rotateStart.set( event.clientX, event.clientY ); 364 | 365 | } else if ( event.button === scope.mouseButtons.ZOOM ) { 366 | if ( scope.noZoom === true ) return; 367 | 368 | state = STATE.DOLLY; 369 | 370 | dollyStart.set( event.clientX, event.clientY ); 371 | 372 | } else if ( event.button === scope.mouseButtons.PAN ) { 373 | if ( scope.noPan === true ) return; 374 | 375 | state = STATE.PAN; 376 | 377 | panStart.set( event.clientX, event.clientY ); 378 | 379 | } 380 | 381 | if ( state !== STATE.NONE ) { 382 | document.addEventListener( 'mousemove', onMouseMove, false ); 383 | document.addEventListener( 'mouseup', onMouseUp, false ); 384 | scope.dispatchEvent( startEvent ); 385 | } 386 | 387 | } 388 | 389 | function onMouseMove( event ) { 390 | 391 | if ( scope.enabled === false ) return; 392 | 393 | event.preventDefault(); 394 | 395 | var element = scope.domElement === document ? scope.domElement.body : scope.domElement; 396 | 397 | if ( state === STATE.ROTATE ) { 398 | 399 | if ( scope.noRotate === true ) return; 400 | 401 | rotateEnd.set( event.clientX, event.clientY ); 402 | rotateDelta.subVectors( rotateEnd, rotateStart ); 403 | 404 | // rotating across whole screen goes 360 degrees around 405 | scope.rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed ); 406 | 407 | // rotating up and down along whole screen attempts to go 360, but limited to 180 408 | scope.rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed ); 409 | 410 | rotateStart.copy( rotateEnd ); 411 | 412 | } else if ( state === STATE.DOLLY ) { 413 | 414 | if ( scope.noZoom === true ) return; 415 | 416 | dollyEnd.set( event.clientX, event.clientY ); 417 | dollyDelta.subVectors( dollyEnd, dollyStart ); 418 | 419 | if ( dollyDelta.y > 0 ) { 420 | 421 | scope.dollyIn(); 422 | 423 | } else { 424 | 425 | scope.dollyOut(); 426 | 427 | } 428 | 429 | dollyStart.copy( dollyEnd ); 430 | 431 | } else if ( state === STATE.PAN ) { 432 | 433 | if ( scope.noPan === true ) return; 434 | 435 | panEnd.set( event.clientX, event.clientY ); 436 | panDelta.subVectors( panEnd, panStart ); 437 | 438 | scope.pan( panDelta.x, panDelta.y ); 439 | 440 | panStart.copy( panEnd ); 441 | 442 | } 443 | 444 | if ( state !== STATE.NONE ) scope.update(); 445 | 446 | } 447 | 448 | function onMouseUp( /* event */ ) { 449 | 450 | if ( scope.enabled === false ) return; 451 | 452 | document.removeEventListener( 'mousemove', onMouseMove, false ); 453 | document.removeEventListener( 'mouseup', onMouseUp, false ); 454 | scope.dispatchEvent( endEvent ); 455 | state = STATE.NONE; 456 | 457 | } 458 | 459 | function onMouseWheel( event ) { 460 | 461 | if ( scope.enabled === false || scope.noZoom === true || state !== STATE.NONE ) return; 462 | 463 | event.preventDefault(); 464 | event.stopPropagation(); 465 | 466 | var delta = 0; 467 | 468 | if ( event.wheelDelta !== undefined ) { // WebKit / Opera / Explorer 9 469 | 470 | delta = event.wheelDelta; 471 | 472 | } else if ( event.detail !== undefined ) { // Firefox 473 | 474 | delta = - event.detail; 475 | 476 | } 477 | 478 | if ( delta > 0 ) { 479 | 480 | scope.dollyOut(); 481 | 482 | } else { 483 | 484 | scope.dollyIn(); 485 | 486 | } 487 | 488 | scope.update(); 489 | scope.dispatchEvent( startEvent ); 490 | scope.dispatchEvent( endEvent ); 491 | 492 | } 493 | 494 | function onKeyDown( event ) { 495 | 496 | if ( scope.enabled === false || scope.noKeys === true || scope.noPan === true ) return; 497 | 498 | switch ( event.keyCode ) { 499 | 500 | case scope.keys.UP: 501 | scope.pan( 0, scope.keyPanSpeed ); 502 | scope.update(); 503 | break; 504 | 505 | case scope.keys.BOTTOM: 506 | scope.pan( 0, - scope.keyPanSpeed ); 507 | scope.update(); 508 | break; 509 | 510 | case scope.keys.LEFT: 511 | scope.pan( scope.keyPanSpeed, 0 ); 512 | scope.update(); 513 | break; 514 | 515 | case scope.keys.RIGHT: 516 | scope.pan( - scope.keyPanSpeed, 0 ); 517 | scope.update(); 518 | break; 519 | 520 | } 521 | 522 | } 523 | 524 | function touchstart( event ) { 525 | 526 | if ( scope.enabled === false ) return; 527 | 528 | switch ( event.touches.length ) { 529 | 530 | case 1: // one-fingered touch: rotate 531 | 532 | if ( scope.noRotate === true ) return; 533 | 534 | state = STATE.TOUCH_ROTATE; 535 | 536 | rotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); 537 | break; 538 | 539 | case 2: // two-fingered touch: dolly 540 | 541 | if ( scope.noZoom === true ) return; 542 | 543 | state = STATE.TOUCH_DOLLY; 544 | 545 | var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX; 546 | var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY; 547 | var distance = Math.sqrt( dx * dx + dy * dy ); 548 | dollyStart.set( 0, distance ); 549 | break; 550 | 551 | case 3: // three-fingered touch: pan 552 | 553 | if ( scope.noPan === true ) return; 554 | 555 | state = STATE.TOUCH_PAN; 556 | 557 | panStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); 558 | break; 559 | 560 | default: 561 | 562 | state = STATE.NONE; 563 | 564 | } 565 | 566 | if ( state !== STATE.NONE ) scope.dispatchEvent( startEvent ); 567 | 568 | } 569 | 570 | function touchmove( event ) { 571 | 572 | if ( scope.enabled === false ) return; 573 | 574 | event.preventDefault(); 575 | event.stopPropagation(); 576 | 577 | var element = scope.domElement === document ? scope.domElement.body : scope.domElement; 578 | 579 | switch ( event.touches.length ) { 580 | 581 | case 1: // one-fingered touch: rotate 582 | 583 | if ( scope.noRotate === true ) return; 584 | if ( state !== STATE.TOUCH_ROTATE ) return; 585 | 586 | rotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); 587 | rotateDelta.subVectors( rotateEnd, rotateStart ); 588 | 589 | // rotating across whole screen goes 360 degrees around 590 | scope.rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed ); 591 | // rotating up and down along whole screen attempts to go 360, but limited to 180 592 | scope.rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed ); 593 | 594 | rotateStart.copy( rotateEnd ); 595 | 596 | scope.update(); 597 | break; 598 | 599 | case 2: // two-fingered touch: dolly 600 | 601 | if ( scope.noZoom === true ) return; 602 | if ( state !== STATE.TOUCH_DOLLY ) return; 603 | 604 | var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX; 605 | var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY; 606 | var distance = Math.sqrt( dx * dx + dy * dy ); 607 | 608 | dollyEnd.set( 0, distance ); 609 | dollyDelta.subVectors( dollyEnd, dollyStart ); 610 | 611 | if ( dollyDelta.y > 0 ) { 612 | 613 | scope.dollyOut(); 614 | 615 | } else { 616 | 617 | scope.dollyIn(); 618 | 619 | } 620 | 621 | dollyStart.copy( dollyEnd ); 622 | 623 | scope.update(); 624 | break; 625 | 626 | case 3: // three-fingered touch: pan 627 | 628 | if ( scope.noPan === true ) return; 629 | if ( state !== STATE.TOUCH_PAN ) return; 630 | 631 | panEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); 632 | panDelta.subVectors( panEnd, panStart ); 633 | 634 | scope.pan( panDelta.x, panDelta.y ); 635 | 636 | panStart.copy( panEnd ); 637 | 638 | scope.update(); 639 | break; 640 | 641 | default: 642 | 643 | state = STATE.NONE; 644 | 645 | } 646 | 647 | } 648 | 649 | function touchend( /* event */ ) { 650 | 651 | if ( scope.enabled === false ) return; 652 | 653 | scope.dispatchEvent( endEvent ); 654 | state = STATE.NONE; 655 | 656 | } 657 | 658 | this.domElement.addEventListener( 'contextmenu', function ( event ) { event.preventDefault(); }, false ); 659 | this.domElement.addEventListener( 'mousedown', onMouseDown, false ); 660 | this.domElement.addEventListener( 'mousewheel', onMouseWheel, false ); 661 | this.domElement.addEventListener( 'DOMMouseScroll', onMouseWheel, false ); // firefox 662 | 663 | this.domElement.addEventListener( 'touchstart', 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