├── .gitattributes ├── .gitignore ├── README.md └── examples ├── js └── sphere-collision.js ├── libs ├── OrbitControls.js ├── d3.js ├── d3.layout.force3D.js ├── jquery.js ├── stats.js └── three.js └── sphere-collision.html /.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 in the root of a volume 35 | .DocumentRevisions-V100 36 | .fseventsd 37 | .Spotlight-V100 38 | .TemporaryItems 39 | .Trashes 40 | .VolumeIcon.icns 41 | 42 | # Directories potentially created on remote AFP share 43 | .AppleDB 44 | .AppleDesktop 45 | Network Trash Folder 46 | Temporary Items 47 | .apdisk 48 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | 2 | **Some d3js - threejs examples** 3 | ======= 4 | 5 | **Sphere-collision** 6 | ------- 7 | 8 | A sphere collision implemented like collision detection example from [mbostock’s block #3231298](http://bl.ocks.org/mbostock/3231298) . In D3 2D implemention d3.layout.force layout and [d3.geom.quadtree](https://github.com/mbostock/d3/wiki/Quadtree-Geom) is used. Recently I found a D3 plugin extending d3.layout.force to the third dimension as [d3.layout.force3D](https://github.com/ggeoffrey/d3.layout.force3D) , this plugin has *d3.geom.octree* for the 3D data. 9 | 10 | 11 | **[SEE DEMO HERE](http://sarathsaleem.github.io/d3js-threejs-integration/sphere-collision)** 12 | 13 | ![d3js-force3D-threejs-integration](http://sarathsaleem.github.io/d3js-threejs-integration/d3js-force3D-threejs-integration.png) 14 | 15 | 16 | -------------------------------------------------------------------------------- /examples/js/sphere-collision.js: -------------------------------------------------------------------------------- 1 | /*jslint vars: true, plusplus: true, devel: true, nomen: true, indent: 4, maxerr: 50 */ 2 | /*global brackets: true, $, window, navigator , clearInterval , setInterval, d3, THREE, Stats , requestAnimationFrame*/ 3 | 4 | "use strict"; 5 | 6 | function sphereCollision(canvas) { 7 | 8 | var stats; 9 | var camera, scene, renderer; 10 | 11 | var mouse = new THREE.Vector2(), 12 | controls, force; 13 | var nodes, spheresNodes = [], 14 | root, raycaster = new THREE.Raycaster(), 15 | INTERSECTED; 16 | 17 | 18 | function rnd(min, max) { 19 | return Math.floor(Math.random() * (max - min + 1)) + min; 20 | } 21 | 22 | 23 | //Expansion of collision function from http://bl.ocks.org/mbostock/3231298 24 | 25 | function collide(node) { 26 | var r = node.radius, 27 | nx1 = node.x - r, 28 | nx2 = node.x + r, 29 | ny1 = node.y - r, 30 | ny2 = node.y + r, 31 | nz1 = node.z - r, 32 | nz2 = node.z + r; 33 | return function (quad, x1, y1, z1, x2, y2, z2) { 34 | 35 | if (quad.point && (quad.point !== node)) { 36 | var x = node.x - quad.point.x, 37 | y = node.y - quad.point.y, 38 | z = node.z - quad.point.z, 39 | l = Math.sqrt(x * x + y * y + z * z), 40 | r = node.radius + quad.point.radius; 41 | 42 | if (l < r) { 43 | 44 | l = (l - r) / l * 0.5; 45 | node.x -= x *= l; 46 | node.y -= y *= l; 47 | node.z -= z *= l; 48 | 49 | quad.point.x += x; 50 | quad.point.y += y; 51 | quad.point.z += z; 52 | } 53 | } 54 | return x1 > nx2 || x2 < nx1 || y1 > ny2 || y2 < ny1 || z1 > nz2 || z2 < nz1; 55 | }; 56 | } 57 | 58 | 59 | function getSpherePackPositions(canvas) { 60 | 61 | var containerEle = $(canvas); 62 | var SCREEN_WIDTH = containerEle.innerWidth(); 63 | var SCREEN_HEIGHT = containerEle.innerHeight(); 64 | 65 | nodes = d3.range(150).map(function () { 66 | return { 67 | radius: rnd(50, 100) 68 | }; 69 | }); 70 | root = nodes[0]; 71 | root.radius = 0.1; 72 | root.fixed = true; 73 | 74 | force = d3.layout.force3D() 75 | .gravity(0.05) 76 | .charge(function (d, i) { 77 | return i ? 0 : -5000; 78 | }) 79 | .nodes(nodes) 80 | .size([SCREEN_WIDTH/2, SCREEN_HEIGHT/2, 1]); 81 | 82 | force.start(); 83 | 84 | return nodes; 85 | } 86 | 87 | 88 | function addSpheres() { 89 | 90 | var nodes = getSpherePackPositions(canvas); 91 | 92 | for (var i = 0; i < nodes.length; i++) { 93 | var geo = new THREE.SphereGeometry(nodes[i].radius, 20, 20); 94 | var sphere = new THREE.Mesh(geo, new THREE.MeshLambertMaterial({ 95 | color: Math.random() * 0xffffff 96 | })); 97 | var vec = new THREE.Vector3(nodes[i].x, nodes[i].y, nodes[i].z); 98 | sphere.position.add(vec); 99 | spheresNodes.push(sphere); 100 | scene.add(sphere); 101 | } 102 | 103 | } 104 | 105 | function updateSpheres() { 106 | var q = d3.geom.octree(nodes); 107 | for (var i = 1; i < nodes.length; ++i) { 108 | q.visit(collide(nodes[i])); 109 | spheresNodes[i].position.x = nodes[i].x; 110 | spheresNodes[i].position.y = nodes[i].y; 111 | spheresNodes[i].position.z = nodes[i].z; 112 | } 113 | } 114 | 115 | 116 | 117 | function setupScreen(canvas) { 118 | 119 | var containerEle = $(canvas); 120 | 121 | //set camera 122 | camera = new THREE.PerspectiveCamera(45, containerEle.innerWidth() / containerEle.innerHeight(), 1, 10000); 123 | camera.position.set(0, 0, 2000); 124 | 125 | // RENDERER 126 | 127 | renderer = new THREE.WebGLRenderer({ 128 | antialias: true 129 | }); 130 | renderer.setClearColor( 0xffffff ); 131 | 132 | renderer.setSize(containerEle.innerWidth(), containerEle.innerHeight()); 133 | renderer.domElement.style.position = 'absolute'; 134 | containerEle.append(renderer.domElement); 135 | 136 | controls = new THREE.OrbitControls(camera, renderer.domElement); 137 | 138 | scene = new THREE.Scene(); 139 | scene.fog = new THREE.Fog(0xffffff, 1000, 10000); 140 | // LIGHTS 141 | 142 | var directionalLight = new THREE.DirectionalLight("#bfbfbf", 0.5); 143 | directionalLight.position.set(100, 100, -100); 144 | scene.add(directionalLight); 145 | 146 | var hemiLight = new THREE.HemisphereLight(0xffffff, 0xffffff, 1.25); 147 | hemiLight.color.setHSL(0.6, 1, 0.75); 148 | hemiLight.groundColor.setHSL(0.1, 0.8, 0.7); 149 | hemiLight.position.y = 5100; 150 | scene.add(hemiLight); 151 | 152 | var axes = new THREE.AxisHelper(1000); 153 | // scene.add(axes); 154 | 155 | stats = new Stats(); 156 | stats.domElement.style.position = 'absolute'; 157 | stats.domElement.style.top = '0px'; 158 | containerEle.append(stats.domElement); 159 | 160 | window.addEventListener('resize', onWindowResize, false); 161 | 162 | function onWindowResize() { 163 | camera.aspect = containerEle.innerWidth() / containerEle.innerHeight(); 164 | camera.updateProjectionMatrix(); 165 | renderer.setSize(containerEle.innerWidth(), containerEle.innerHeight()); 166 | 167 | } 168 | 169 | function onDocumentMouseMove(event) { 170 | event.preventDefault(); 171 | mouse.x = (event.clientX / window.innerWidth) * 2 - 1; 172 | mouse.y = -(event.clientY / window.innerHeight) * 2 + 1; 173 | 174 | } 175 | document.addEventListener('mousemove', onDocumentMouseMove, false); 176 | 177 | 178 | 179 | addSpheres(); 180 | 181 | 182 | } 183 | 184 | 185 | 186 | function animate() { 187 | requestAnimationFrame(animate); 188 | render(); 189 | stats.update(); 190 | } 191 | 192 | function render() { 193 | 194 | updateSpheres(); 195 | 196 | raycaster.setFromCamera(mouse, camera); 197 | var intersects = raycaster.intersectObjects(spheresNodes); 198 | if (intersects.length > 0) { 199 | INTERSECTED = intersects[0].object; 200 | root.px = INTERSECTED.position.x; 201 | root.py = INTERSECTED.position.y; 202 | root.pz = INTERSECTED.position.z; 203 | force.resume(); 204 | } 205 | 206 | renderer.render(scene, camera); 207 | 208 | 209 | } 210 | 211 | 212 | 213 | 214 | setupScreen(canvas); 215 | animate(); 216 | } 217 | 218 | 219 | $(function () { 220 | sphereCollision($('#stage')); 221 | }); 222 | -------------------------------------------------------------------------------- /examples/libs/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 | ( function () { 11 | 12 | function OrbitConstraint ( object ) { 13 | 14 | this.object = object; 15 | 16 | // "target" sets the location of focus, where the object orbits around 17 | // and where it pans with respect to. 18 | this.target = new THREE.Vector3(); 19 | 20 | // Limits to how far you can dolly in and out ( PerspectiveCamera only ) 21 | this.minDistance = 0; 22 | this.maxDistance = Infinity; 23 | 24 | // Limits to how far you can zoom in and out ( OrthographicCamera only ) 25 | this.minZoom = 0; 26 | this.maxZoom = Infinity; 27 | 28 | // How far you can orbit vertically, upper and lower limits. 29 | // Range is 0 to Math.PI radians. 30 | this.minPolarAngle = 0; // radians 31 | this.maxPolarAngle = Math.PI; // radians 32 | 33 | // How far you can orbit horizontally, upper and lower limits. 34 | // If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ]. 35 | this.minAzimuthAngle = - Infinity; // radians 36 | this.maxAzimuthAngle = Infinity; // radians 37 | 38 | // Set to true to enable damping (inertia) 39 | // If damping is enabled, you must call controls.update() in your animation loop 40 | this.enableDamping = false; 41 | this.dampingFactor = 0.25; 42 | 43 | //////////// 44 | // internals 45 | 46 | var scope = this; 47 | 48 | var EPS = 0.000001; 49 | 50 | // Current position in spherical coordinate system. 51 | var theta; 52 | var phi; 53 | 54 | // Pending changes 55 | var phiDelta = 0; 56 | var thetaDelta = 0; 57 | var scale = 1; 58 | var panOffset = new THREE.Vector3(); 59 | var zoomChanged = false; 60 | 61 | // API 62 | 63 | this.getPolarAngle = function () { 64 | 65 | return phi; 66 | 67 | }; 68 | 69 | this.getAzimuthalAngle = function () { 70 | 71 | return theta; 72 | 73 | }; 74 | 75 | this.rotateLeft = function ( angle ) { 76 | 77 | thetaDelta -= angle; 78 | 79 | }; 80 | 81 | this.rotateUp = function ( angle ) { 82 | 83 | phiDelta -= angle; 84 | 85 | }; 86 | 87 | // pass in distance in world space to move left 88 | this.panLeft = function() { 89 | 90 | var v = new THREE.Vector3(); 91 | 92 | return function panLeft ( distance ) { 93 | 94 | var te = this.object.matrix.elements; 95 | 96 | // get X column of matrix 97 | v.set( te[ 0 ], te[ 1 ], te[ 2 ] ); 98 | v.multiplyScalar( - distance ); 99 | 100 | panOffset.add( v ); 101 | 102 | }; 103 | 104 | }(); 105 | 106 | // pass in distance in world space to move up 107 | this.panUp = function() { 108 | 109 | var v = new THREE.Vector3(); 110 | 111 | return function panUp ( distance ) { 112 | 113 | var te = this.object.matrix.elements; 114 | 115 | // get Y column of matrix 116 | v.set( te[ 4 ], te[ 5 ], te[ 6 ] ); 117 | v.multiplyScalar( distance ); 118 | 119 | panOffset.add( v ); 120 | 121 | }; 122 | 123 | }(); 124 | 125 | // pass in x,y of change desired in pixel space, 126 | // right and down are positive 127 | this.pan = function ( deltaX, deltaY, screenWidth, screenHeight ) { 128 | 129 | if ( scope.object instanceof THREE.PerspectiveCamera ) { 130 | 131 | // perspective 132 | var position = scope.object.position; 133 | var offset = position.clone().sub( scope.target ); 134 | var targetDistance = offset.length(); 135 | 136 | // half of the fov is center to top of screen 137 | targetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 ); 138 | 139 | // we actually don't use screenWidth, since perspective camera is fixed to screen height 140 | scope.panLeft( 2 * deltaX * targetDistance / screenHeight ); 141 | scope.panUp( 2 * deltaY * targetDistance / screenHeight ); 142 | 143 | } else if ( scope.object instanceof THREE.OrthographicCamera ) { 144 | 145 | // orthographic 146 | scope.panLeft( deltaX * ( scope.object.right - scope.object.left ) / screenWidth ); 147 | scope.panUp( deltaY * ( scope.object.top - scope.object.bottom ) / screenHeight ); 148 | 149 | } else { 150 | 151 | // camera neither orthographic or perspective 152 | console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' ); 153 | 154 | } 155 | 156 | }; 157 | 158 | this.dollyIn = function ( dollyScale ) { 159 | 160 | if ( scope.object instanceof THREE.PerspectiveCamera ) { 161 | 162 | scale /= dollyScale; 163 | 164 | } else if ( scope.object instanceof THREE.OrthographicCamera ) { 165 | 166 | scope.object.zoom = Math.max( this.minZoom, Math.min( this.maxZoom, this.object.zoom * dollyScale ) ); 167 | scope.object.updateProjectionMatrix(); 168 | zoomChanged = true; 169 | 170 | } else { 171 | 172 | console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' ); 173 | 174 | } 175 | 176 | }; 177 | 178 | this.dollyOut = function ( dollyScale ) { 179 | 180 | if ( scope.object instanceof THREE.PerspectiveCamera ) { 181 | 182 | scale *= dollyScale; 183 | 184 | } else if ( scope.object instanceof THREE.OrthographicCamera ) { 185 | 186 | scope.object.zoom = Math.max( this.minZoom, Math.min( this.maxZoom, this.object.zoom / dollyScale ) ); 187 | scope.object.updateProjectionMatrix(); 188 | zoomChanged = true; 189 | 190 | } else { 191 | 192 | console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' ); 193 | 194 | } 195 | 196 | }; 197 | 198 | this.update = function() { 199 | 200 | var offset = new THREE.Vector3(); 201 | 202 | // so camera.up is the orbit axis 203 | var quat = new THREE.Quaternion().setFromUnitVectors( object.up, new THREE.Vector3( 0, 1, 0 ) ); 204 | var quatInverse = quat.clone().inverse(); 205 | 206 | var lastPosition = new THREE.Vector3(); 207 | var lastQuaternion = new THREE.Quaternion(); 208 | 209 | return function () { 210 | 211 | var position = this.object.position; 212 | 213 | offset.copy( position ).sub( this.target ); 214 | 215 | // rotate offset to "y-axis-is-up" space 216 | offset.applyQuaternion( quat ); 217 | 218 | // angle from z-axis around y-axis 219 | 220 | theta = Math.atan2( offset.x, offset.z ); 221 | 222 | // angle from y-axis 223 | 224 | phi = Math.atan2( Math.sqrt( offset.x * offset.x + offset.z * offset.z ), offset.y ); 225 | 226 | theta += thetaDelta; 227 | phi += phiDelta; 228 | 229 | // restrict theta to be between desired limits 230 | theta = Math.max( this.minAzimuthAngle, Math.min( this.maxAzimuthAngle, theta ) ); 231 | 232 | // restrict phi to be between desired limits 233 | phi = Math.max( this.minPolarAngle, Math.min( this.maxPolarAngle, phi ) ); 234 | 235 | // restrict phi to be betwee EPS and PI-EPS 236 | phi = Math.max( EPS, Math.min( Math.PI - EPS, phi ) ); 237 | 238 | var radius = offset.length() * scale; 239 | 240 | // restrict radius to be between desired limits 241 | radius = Math.max( this.minDistance, Math.min( this.maxDistance, radius ) ); 242 | 243 | // move target to panned location 244 | this.target.add( panOffset ); 245 | 246 | offset.x = radius * Math.sin( phi ) * Math.sin( theta ); 247 | offset.y = radius * Math.cos( phi ); 248 | offset.z = radius * Math.sin( phi ) * Math.cos( theta ); 249 | 250 | // rotate offset back to "camera-up-vector-is-up" space 251 | offset.applyQuaternion( quatInverse ); 252 | 253 | position.copy( this.target ).add( offset ); 254 | 255 | this.object.lookAt( this.target ); 256 | 257 | if ( this.enableDamping === true ) { 258 | 259 | thetaDelta *= ( 1 - this.dampingFactor ); 260 | phiDelta *= ( 1 - this.dampingFactor ); 261 | 262 | } else { 263 | 264 | thetaDelta = 0; 265 | phiDelta = 0; 266 | 267 | } 268 | 269 | scale = 1; 270 | panOffset.set( 0, 0, 0 ); 271 | 272 | // update condition is: 273 | // min(camera displacement, camera rotation in radians)^2 > EPS 274 | // using small-angle approximation cos(x/2) = 1 - x^2 / 8 275 | 276 | if ( zoomChanged || 277 | lastPosition.distanceToSquared( this.object.position ) > EPS || 278 | 8 * ( 1 - lastQuaternion.dot( this.object.quaternion ) ) > EPS ) { 279 | 280 | lastPosition.copy( this.object.position ); 281 | lastQuaternion.copy( this.object.quaternion ); 282 | zoomChanged = false; 283 | 284 | return true; 285 | 286 | } 287 | 288 | return false; 289 | 290 | }; 291 | 292 | }(); 293 | 294 | }; 295 | 296 | 297 | // This set of controls performs orbiting, dollying (zooming), and panning. It maintains 298 | // the "up" direction as +Y, unlike the TrackballControls. Touch on tablet and phones is 299 | // supported. 300 | // 301 | // Orbit - left mouse / touch: one finger move 302 | // Zoom - middle mouse, or mousewheel / touch: two finger spread or squish 303 | // Pan - right mouse, or arrow keys / touch: three finter swipe 304 | 305 | THREE.OrbitControls = function ( object, domElement ) { 306 | 307 | var constraint = new OrbitConstraint( object ); 308 | 309 | this.domElement = ( domElement !== undefined ) ? domElement : document; 310 | 311 | // API 312 | 313 | Object.defineProperty( this, 'constraint', { 314 | 315 | get: function() { 316 | 317 | return constraint; 318 | 319 | } 320 | 321 | } ); 322 | 323 | this.getPolarAngle = function () { 324 | 325 | return constraint.getPolarAngle(); 326 | 327 | }; 328 | 329 | this.getAzimuthalAngle = function () { 330 | 331 | return constraint.getAzimuthalAngle(); 332 | 333 | }; 334 | 335 | // Set to false to disable this control 336 | this.enabled = true; 337 | 338 | // center is old, deprecated; use "target" instead 339 | this.center = this.target; 340 | 341 | // This option actually enables dollying in and out; left as "zoom" for 342 | // backwards compatibility. 343 | // Set to false to disable zooming 344 | this.enableZoom = true; 345 | this.zoomSpeed = 1.0; 346 | 347 | // Set to false to disable rotating 348 | this.enableRotate = true; 349 | this.rotateSpeed = 1.0; 350 | 351 | // Set to false to disable panning 352 | this.enablePan = true; 353 | this.keyPanSpeed = 7.0; // pixels moved per arrow key push 354 | 355 | // Set to true to automatically rotate around the target 356 | // If auto-rotate is enabled, you must call controls.update() in your animation loop 357 | this.autoRotate = false; 358 | this.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60 359 | 360 | // Set to false to disable use of the keys 361 | this.enableKeys = true; 362 | 363 | // The four arrow keys 364 | this.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 }; 365 | 366 | // Mouse buttons 367 | this.mouseButtons = { ORBIT: THREE.MOUSE.LEFT, ZOOM: THREE.MOUSE.MIDDLE, PAN: THREE.MOUSE.RIGHT }; 368 | 369 | //////////// 370 | // internals 371 | 372 | var scope = this; 373 | 374 | var rotateStart = new THREE.Vector2(); 375 | var rotateEnd = new THREE.Vector2(); 376 | var rotateDelta = new THREE.Vector2(); 377 | 378 | var panStart = new THREE.Vector2(); 379 | var panEnd = new THREE.Vector2(); 380 | var panDelta = new THREE.Vector2(); 381 | 382 | var dollyStart = new THREE.Vector2(); 383 | var dollyEnd = new THREE.Vector2(); 384 | var dollyDelta = new THREE.Vector2(); 385 | 386 | var STATE = { NONE : - 1, ROTATE : 0, DOLLY : 1, PAN : 2, TOUCH_ROTATE : 3, TOUCH_DOLLY : 4, TOUCH_PAN : 5 }; 387 | 388 | var state = STATE.NONE; 389 | 390 | // for reset 391 | 392 | this.target0 = this.target.clone(); 393 | this.position0 = this.object.position.clone(); 394 | this.zoom0 = this.object.zoom; 395 | 396 | // events 397 | 398 | var changeEvent = { type: 'change' }; 399 | var startEvent = { type: 'start' }; 400 | var endEvent = { type: 'end' }; 401 | 402 | // pass in x,y of change desired in pixel space, 403 | // right and down are positive 404 | function pan( deltaX, deltaY ) { 405 | 406 | var element = scope.domElement === document ? scope.domElement.body : scope.domElement; 407 | 408 | constraint.pan( deltaX, deltaY, element.clientWidth, element.clientHeight ); 409 | 410 | } 411 | 412 | this.update = function () { 413 | 414 | if ( this.autoRotate && state === STATE.NONE ) { 415 | 416 | constraint.rotateLeft( getAutoRotationAngle() ); 417 | 418 | } 419 | 420 | if ( constraint.update() === true ) { 421 | 422 | this.dispatchEvent( changeEvent ); 423 | 424 | } 425 | 426 | }; 427 | 428 | this.reset = function () { 429 | 430 | state = STATE.NONE; 431 | 432 | this.target.copy( this.target0 ); 433 | this.object.position.copy( this.position0 ); 434 | this.object.zoom = this.zoom0; 435 | 436 | this.object.updateProjectionMatrix(); 437 | this.dispatchEvent( changeEvent ); 438 | 439 | this.update(); 440 | 441 | }; 442 | 443 | function getAutoRotationAngle() { 444 | 445 | return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed; 446 | 447 | } 448 | 449 | function getZoomScale() { 450 | 451 | return Math.pow( 0.95, scope.zoomSpeed ); 452 | 453 | } 454 | 455 | function onMouseDown( event ) { 456 | 457 | if ( scope.enabled === false ) return; 458 | 459 | event.preventDefault(); 460 | 461 | if ( event.button === scope.mouseButtons.ORBIT ) { 462 | 463 | if ( scope.enableRotate === false ) return; 464 | 465 | state = STATE.ROTATE; 466 | 467 | rotateStart.set( event.clientX, event.clientY ); 468 | 469 | } else if ( event.button === scope.mouseButtons.ZOOM ) { 470 | 471 | if ( scope.enableZoom === false ) return; 472 | 473 | state = STATE.DOLLY; 474 | 475 | dollyStart.set( event.clientX, event.clientY ); 476 | 477 | } else if ( event.button === scope.mouseButtons.PAN ) { 478 | 479 | if ( scope.enablePan === false ) return; 480 | 481 | state = STATE.PAN; 482 | 483 | panStart.set( event.clientX, event.clientY ); 484 | 485 | } 486 | 487 | if ( state !== STATE.NONE ) { 488 | 489 | document.addEventListener( 'mousemove', onMouseMove, false ); 490 | document.addEventListener( 'mouseup', onMouseUp, false ); 491 | scope.dispatchEvent( startEvent ); 492 | 493 | } 494 | 495 | } 496 | 497 | function onMouseMove( event ) { 498 | 499 | if ( scope.enabled === false ) return; 500 | 501 | event.preventDefault(); 502 | 503 | var element = scope.domElement === document ? scope.domElement.body : scope.domElement; 504 | 505 | if ( state === STATE.ROTATE ) { 506 | 507 | if ( scope.enableRotate === false ) return; 508 | 509 | rotateEnd.set( event.clientX, event.clientY ); 510 | rotateDelta.subVectors( rotateEnd, rotateStart ); 511 | 512 | // rotating across whole screen goes 360 degrees around 513 | constraint.rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed ); 514 | 515 | // rotating up and down along whole screen attempts to go 360, but limited to 180 516 | constraint.rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed ); 517 | 518 | rotateStart.copy( rotateEnd ); 519 | 520 | } else if ( state === STATE.DOLLY ) { 521 | 522 | if ( scope.enableZoom === false ) return; 523 | 524 | dollyEnd.set( event.clientX, event.clientY ); 525 | dollyDelta.subVectors( dollyEnd, dollyStart ); 526 | 527 | if ( dollyDelta.y > 0 ) { 528 | 529 | constraint.dollyIn( getZoomScale() ); 530 | 531 | } else if ( dollyDelta.y < 0 ) { 532 | 533 | constraint.dollyOut( getZoomScale() ); 534 | 535 | } 536 | 537 | dollyStart.copy( dollyEnd ); 538 | 539 | } else if ( state === STATE.PAN ) { 540 | 541 | if ( scope.enablePan === false ) return; 542 | 543 | panEnd.set( event.clientX, event.clientY ); 544 | panDelta.subVectors( panEnd, panStart ); 545 | 546 | pan( panDelta.x, panDelta.y ); 547 | 548 | panStart.copy( panEnd ); 549 | 550 | } 551 | 552 | if ( state !== STATE.NONE ) scope.update(); 553 | 554 | } 555 | 556 | function onMouseUp( /* event */ ) { 557 | 558 | if ( scope.enabled === false ) return; 559 | 560 | document.removeEventListener( 'mousemove', onMouseMove, false ); 561 | document.removeEventListener( 'mouseup', onMouseUp, false ); 562 | scope.dispatchEvent( endEvent ); 563 | state = STATE.NONE; 564 | 565 | } 566 | 567 | function onMouseWheel( event ) { 568 | 569 | if ( scope.enabled === false || scope.enableZoom === false || state !== STATE.NONE ) return; 570 | 571 | event.preventDefault(); 572 | event.stopPropagation(); 573 | 574 | var delta = 0; 575 | 576 | if ( event.wheelDelta !== undefined ) { 577 | 578 | // WebKit / Opera / Explorer 9 579 | 580 | delta = event.wheelDelta; 581 | 582 | } else if ( event.detail !== undefined ) { 583 | 584 | // Firefox 585 | 586 | delta = - event.detail; 587 | 588 | } 589 | 590 | if ( delta > 0 ) { 591 | 592 | constraint.dollyOut( getZoomScale() ); 593 | 594 | } else if ( delta < 0 ) { 595 | 596 | constraint.dollyIn( getZoomScale() ); 597 | 598 | } 599 | 600 | scope.update(); 601 | scope.dispatchEvent( startEvent ); 602 | scope.dispatchEvent( endEvent ); 603 | 604 | } 605 | 606 | function onKeyDown( event ) { 607 | 608 | if ( scope.enabled === false || scope.enableKeys === false || scope.enablePan === false ) return; 609 | 610 | switch ( event.keyCode ) { 611 | 612 | case scope.keys.UP: 613 | pan( 0, scope.keyPanSpeed ); 614 | scope.update(); 615 | break; 616 | 617 | case scope.keys.BOTTOM: 618 | pan( 0, - scope.keyPanSpeed ); 619 | scope.update(); 620 | break; 621 | 622 | case scope.keys.LEFT: 623 | pan( scope.keyPanSpeed, 0 ); 624 | scope.update(); 625 | break; 626 | 627 | case scope.keys.RIGHT: 628 | pan( - scope.keyPanSpeed, 0 ); 629 | scope.update(); 630 | break; 631 | 632 | } 633 | 634 | } 635 | 636 | function touchstart( event ) { 637 | 638 | if ( scope.enabled === false ) return; 639 | 640 | switch ( event.touches.length ) { 641 | 642 | case 1: // one-fingered touch: rotate 643 | 644 | if ( scope.enableRotate === false ) return; 645 | 646 | state = STATE.TOUCH_ROTATE; 647 | 648 | rotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); 649 | break; 650 | 651 | case 2: // two-fingered touch: dolly 652 | 653 | if ( scope.enableZoom === false ) return; 654 | 655 | state = STATE.TOUCH_DOLLY; 656 | 657 | var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX; 658 | var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY; 659 | var distance = Math.sqrt( dx * dx + dy * dy ); 660 | dollyStart.set( 0, distance ); 661 | break; 662 | 663 | case 3: // three-fingered touch: pan 664 | 665 | if ( scope.enablePan === false ) return; 666 | 667 | state = STATE.TOUCH_PAN; 668 | 669 | panStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); 670 | break; 671 | 672 | default: 673 | 674 | state = STATE.NONE; 675 | 676 | } 677 | 678 | if ( state !== STATE.NONE ) scope.dispatchEvent( startEvent ); 679 | 680 | } 681 | 682 | function touchmove( event ) { 683 | 684 | if ( scope.enabled === false ) return; 685 | 686 | event.preventDefault(); 687 | event.stopPropagation(); 688 | 689 | var element = scope.domElement === document ? scope.domElement.body : scope.domElement; 690 | 691 | switch ( event.touches.length ) { 692 | 693 | case 1: // one-fingered touch: rotate 694 | 695 | if ( scope.enableRotate === false ) return; 696 | if ( state !== STATE.TOUCH_ROTATE ) return; 697 | 698 | rotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); 699 | rotateDelta.subVectors( rotateEnd, rotateStart ); 700 | 701 | // rotating across whole screen goes 360 degrees around 702 | constraint.rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed ); 703 | // rotating up and down along whole screen attempts to go 360, but limited to 180 704 | constraint.rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed ); 705 | 706 | rotateStart.copy( rotateEnd ); 707 | 708 | scope.update(); 709 | break; 710 | 711 | case 2: // two-fingered touch: dolly 712 | 713 | if ( scope.enableZoom === false ) return; 714 | if ( state !== STATE.TOUCH_DOLLY ) return; 715 | 716 | var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX; 717 | var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY; 718 | var distance = Math.sqrt( dx * dx + dy * dy ); 719 | 720 | dollyEnd.set( 0, distance ); 721 | dollyDelta.subVectors( dollyEnd, dollyStart ); 722 | 723 | if ( dollyDelta.y > 0 ) { 724 | 725 | constraint.dollyOut( getZoomScale() ); 726 | 727 | } else if ( dollyDelta.y < 0 ) { 728 | 729 | constraint.dollyIn( getZoomScale() ); 730 | 731 | } 732 | 733 | dollyStart.copy( dollyEnd ); 734 | 735 | scope.update(); 736 | break; 737 | 738 | case 3: // three-fingered touch: pan 739 | 740 | if ( scope.enablePan === false ) return; 741 | if ( state !== STATE.TOUCH_PAN ) return; 742 | 743 | panEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); 744 | panDelta.subVectors( panEnd, panStart ); 745 | 746 | pan( panDelta.x, panDelta.y ); 747 | 748 | panStart.copy( panEnd ); 749 | 750 | scope.update(); 751 | break; 752 | 753 | default: 754 | 755 | state = STATE.NONE; 756 | 757 | } 758 | 759 | } 760 | 761 | function touchend( /* event */ ) { 762 | 763 | if ( scope.enabled === false ) return; 764 | 765 | scope.dispatchEvent( endEvent ); 766 | state = STATE.NONE; 767 | 768 | } 769 | 770 | function contextmenu( event ) { 771 | 772 | event.preventDefault(); 773 | 774 | } 775 | 776 | this.dispose = function() { 777 | 778 | this.domElement.removeEventListener( 'contextmenu', contextmenu, false ); 779 | this.domElement.removeEventListener( 'mousedown', onMouseDown, false ); 780 | this.domElement.removeEventListener( 'mousewheel', onMouseWheel, false ); 781 | this.domElement.removeEventListener( 'MozMousePixelScroll', onMouseWheel, false ); // firefox 782 | 783 | this.domElement.removeEventListener( 'touchstart', touchstart, false ); 784 | this.domElement.removeEventListener( 'touchend', touchend, false ); 785 | this.domElement.removeEventListener( 'touchmove', touchmove, false ); 786 | 787 | document.removeEventListener( 'mousemove', onMouseMove, false ); 788 | document.removeEventListener( 'mouseup', onMouseUp, false ); 789 | 790 | window.removeEventListener( 'keydown', onKeyDown, false ); 791 | 792 | } 793 | 794 | this.domElement.addEventListener( 'contextmenu', contextmenu, false ); 795 | 796 | this.domElement.addEventListener( 'mousedown', onMouseDown, false ); 797 | this.domElement.addEventListener( 'mousewheel', onMouseWheel, false ); 798 | this.domElement.addEventListener( 'MozMousePixelScroll', onMouseWheel, false ); // firefox 799 | 800 | this.domElement.addEventListener( 'touchstart', touchstart, false ); 801 | this.domElement.addEventListener( 'touchend', touchend, false ); 802 | this.domElement.addEventListener( 'touchmove', touchmove, false ); 803 | 804 | window.addEventListener( 'keydown', onKeyDown, false ); 805 | 806 | // force an update at start 807 | this.update(); 808 | 809 | }; 810 | 811 | THREE.OrbitControls.prototype = Object.create( THREE.EventDispatcher.prototype ); 812 | THREE.OrbitControls.prototype.constructor = THREE.OrbitControls; 813 | 814 | Object.defineProperties( THREE.OrbitControls.prototype, { 815 | 816 | object: { 817 | 818 | get: function () { 819 | 820 | return this.constraint.object; 821 | 822 | } 823 | 824 | }, 825 | 826 | target: { 827 | 828 | get: function () { 829 | 830 | return this.constraint.target; 831 | 832 | }, 833 | 834 | set: function ( value ) { 835 | 836 | console.warn( 'THREE.OrbitControls: target is now immutable. Use target.set() instead.' ); 837 | this.constraint.target.copy( value ); 838 | 839 | } 840 | 841 | }, 842 | 843 | minDistance : { 844 | 845 | get: function () { 846 | 847 | return this.constraint.minDistance; 848 | 849 | }, 850 | 851 | set: function ( value ) { 852 | 853 | this.constraint.minDistance = value; 854 | 855 | } 856 | 857 | }, 858 | 859 | maxDistance : { 860 | 861 | get: function () { 862 | 863 | return this.constraint.maxDistance; 864 | 865 | }, 866 | 867 | set: function ( value ) { 868 | 869 | this.constraint.maxDistance = value; 870 | 871 | } 872 | 873 | }, 874 | 875 | minZoom : { 876 | 877 | get: function () { 878 | 879 | return this.constraint.minZoom; 880 | 881 | }, 882 | 883 | set: function ( value ) { 884 | 885 | this.constraint.minZoom = value; 886 | 887 | } 888 | 889 | }, 890 | 891 | maxZoom : { 892 | 893 | get: function () { 894 | 895 | return this.constraint.maxZoom; 896 | 897 | }, 898 | 899 | set: function ( value ) { 900 | 901 | this.constraint.maxZoom = value; 902 | 903 | } 904 | 905 | }, 906 | 907 | minPolarAngle : { 908 | 909 | get: function () { 910 | 911 | return this.constraint.minPolarAngle; 912 | 913 | }, 914 | 915 | set: function ( value ) { 916 | 917 | this.constraint.minPolarAngle = value; 918 | 919 | } 920 | 921 | }, 922 | 923 | maxPolarAngle : { 924 | 925 | get: function () { 926 | 927 | return this.constraint.maxPolarAngle; 928 | 929 | }, 930 | 931 | set: function ( value ) { 932 | 933 | this.constraint.maxPolarAngle = value; 934 | 935 | } 936 | 937 | }, 938 | 939 | minAzimuthAngle : { 940 | 941 | get: function () { 942 | 943 | return this.constraint.minAzimuthAngle; 944 | 945 | }, 946 | 947 | set: function ( value ) { 948 | 949 | this.constraint.minAzimuthAngle = value; 950 | 951 | } 952 | 953 | }, 954 | 955 | maxAzimuthAngle : { 956 | 957 | get: function () { 958 | 959 | return this.constraint.maxAzimuthAngle; 960 | 961 | }, 962 | 963 | set: function ( value ) { 964 | 965 | this.constraint.maxAzimuthAngle = value; 966 | 967 | } 968 | 969 | }, 970 | 971 | enableDamping : { 972 | 973 | get: function () { 974 | 975 | return this.constraint.enableDamping; 976 | 977 | }, 978 | 979 | set: function ( value ) { 980 | 981 | this.constraint.enableDamping = value; 982 | 983 | } 984 | 985 | }, 986 | 987 | dampingFactor : { 988 | 989 | get: function () { 990 | 991 | return this.constraint.dampingFactor; 992 | 993 | }, 994 | 995 | set: function ( value ) { 996 | 997 | this.constraint.dampingFactor = value; 998 | 999 | } 1000 | 1001 | }, 1002 | 1003 | // backward compatibility 1004 | 1005 | noZoom: { 1006 | 1007 | get: function () { 1008 | 1009 | console.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' ); 1010 | return ! this.enableZoom; 1011 | 1012 | }, 1013 | 1014 | set: function ( value ) { 1015 | 1016 | console.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' ); 1017 | this.enableZoom = ! value; 1018 | 1019 | } 1020 | 1021 | }, 1022 | 1023 | noRotate: { 1024 | 1025 | get: function () { 1026 | 1027 | console.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' ); 1028 | return ! this.enableRotate; 1029 | 1030 | }, 1031 | 1032 | set: function ( value ) { 1033 | 1034 | console.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' ); 1035 | this.enableRotate = ! value; 1036 | 1037 | } 1038 | 1039 | }, 1040 | 1041 | noPan: { 1042 | 1043 | get: function () { 1044 | 1045 | console.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' ); 1046 | return ! this.enablePan; 1047 | 1048 | }, 1049 | 1050 | set: function ( value ) { 1051 | 1052 | console.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' ); 1053 | this.enablePan = ! value; 1054 | 1055 | } 1056 | 1057 | }, 1058 | 1059 | noKeys: { 1060 | 1061 | get: function () { 1062 | 1063 | console.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' ); 1064 | return ! this.enableKeys; 1065 | 1066 | }, 1067 | 1068 | set: function ( value ) { 1069 | 1070 | console.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' ); 1071 | this.enableKeys = ! value; 1072 | 1073 | } 1074 | 1075 | }, 1076 | 1077 | staticMoving : { 1078 | 1079 | get: function () { 1080 | 1081 | console.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' ); 1082 | return ! this.constraint.enableDamping; 1083 | 1084 | }, 1085 | 1086 | set: function ( value ) { 1087 | 1088 | console.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' ); 1089 | this.constraint.enableDamping = ! value; 1090 | 1091 | } 1092 | 1093 | }, 1094 | 1095 | dynamicDampingFactor : { 1096 | 1097 | get: function () { 1098 | 1099 | console.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' ); 1100 | return this.constraint.dampingFactor; 1101 | 1102 | }, 1103 | 1104 | set: function ( value ) { 1105 | 1106 | console.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' ); 1107 | this.constraint.dampingFactor = value; 1108 | 1109 | } 1110 | 1111 | } 1112 | 1113 | } ); 1114 | 1115 | }() ); 1116 | -------------------------------------------------------------------------------- /examples/libs/d3.layout.force3D.js: -------------------------------------------------------------------------------- 1 | // https://github.com/ggeoffrey/d3.layout.force3D 2 | (function(){ 3 | 4 | if(!(d3 && d3.layout && d3.geom)){ 5 | throw "force3D: Unable to inject d3.layout.force3D" 6 | + " into d3.js . Be sure to load D3js beforehand."; 7 | } 8 | 9 | var abs = Math.abs; 10 | 11 | function d3_geom_pointX(d) { 12 | return d[0]; 13 | } 14 | function d3_geom_pointY(d) { 15 | return d[1]; 16 | } 17 | function d3_geom_pointZ(d) { 18 | return d[2]; 19 | } 20 | function d3_functor(v) { 21 | return typeof v === "function" ? v : function() { 22 | return v; 23 | }; 24 | } 25 | //d3.functor = d3_functor; 26 | 27 | function d3_identity(d) { 28 | return d; 29 | } 30 | function d3_layout_forceDragstart(d) { 31 | d.fixed |= 2; 32 | } 33 | function d3_layout_forceDragend(d) { 34 | d.fixed &= ~6; 35 | } 36 | function d3_layout_forceMouseover(d) { 37 | d.fixed |= 4; 38 | d.px = d.x, d.py = d.y; 39 | } 40 | function d3_layout_forceMouseout(d) { 41 | d.fixed &= ~4; 42 | } 43 | 44 | d3.geom.octree = function(points, x1, y1, z1, x2, y2, z2) { 45 | var x = d3_geom_pointX, y = d3_geom_pointY, z = d3_geom_pointZ, compat; 46 | if (compat = arguments.length) { 47 | x = d3_geom_octreeCompatX; 48 | y = d3_geom_octreeCompatY; 49 | z = d3_geom_octreeCompatZ; 50 | if (compat === 4) { 51 | y2 = y1; 52 | x2 = x1; 53 | z2 = z1; 54 | z1 = y1 = x1 = 0; 55 | } 56 | return octree(points); 57 | } 58 | function octree(data) { 59 | var d, i, n, fx = d3_functor(x), fy = d3_functor(y), fz = d3_functor(z), xs, ys, zs, x1_, y1_, z1_, x2_, y2_, z2_; 60 | if (x1 != null) { 61 | x1_ = x1, y1_ = y1, z1_ = z1, x2_ = x2, y2_ = y2, z2_ = z2; 62 | } else { 63 | x2_ = y2_ = z2_ = -(x1_ = y1_ = z1_ = Infinity); 64 | xs = [], ys = [], zs = []; 65 | n = data.length; 66 | if (compat) for (i = 0; i < n; ++i) { 67 | d = data[i]; 68 | if (d.x < x1_) x1_ = d.x; 69 | if (d.y < y1_) y1_ = d.y; 70 | if (d.z < z1_) z1_ = d.z; 71 | if (d.x > x2_) x2_ = d.x; 72 | if (d.y > y2_) y2_ = d.y; 73 | if (d.z > z2_) z2_ = d.z; 74 | xs.push(d.x); 75 | ys.push(d.y); 76 | zs.push(d.z); 77 | } else for (i = 0; i < n; ++i) { 78 | var x_ = +fx(d = data[i], i), y_ = +fy(d, i), z_ = +fz(d, i); 79 | if (x_ < x1_) x1_ = x_; 80 | if (y_ < y1_) y1_ = y_; 81 | if (z_ < z1_) z1_ = z_; 82 | if (x_ > x2_) x2_ = x_; 83 | if (y_ > y2_) y2_ = y_; 84 | if (z_ > z2_) z2_ = z_; 85 | xs.push(x_); 86 | ys.push(y_); 87 | zs.push(z_); 88 | } 89 | } 90 | var dx = x2_ - x1_, dy = y2_ - y1_, dz = z2_ - z1_; 91 | if (dx >= dy && dx >= dz) { 92 | y2_ = y1_ + dx; 93 | z2_ = z1_ + dx; 94 | } else if (dy >= dz && dy >= dx) { 95 | x2_ = x1_ + dy; 96 | z2_ = z1_ + dy; 97 | } else { 98 | x2_ = x1_ + dz; 99 | y2_ = y1_ + dz; 100 | } 101 | function insert(n, d, x, y, z, x1, y1, z1, x2, y2, z2) { 102 | if (isNaN(x) || isNaN(y) || isNaN(z)) return; 103 | if (n.leaf) { 104 | var nx = n.x, ny = n.y, nz = n.z; 105 | if (nx != null) { 106 | if (abs(nx - x) + abs(ny - y) + abs(nz - z) < .01) { 107 | insertChild(n, d, x, y, z, x1, y1, z1, x2, y2, z2); 108 | } else { 109 | var nPoint = n.point; 110 | n.x = n.y = n.z = n.point = null; 111 | insertChild(n, nPoint, nx, ny, nz, x1, y1, z1, x2, y2, z2); 112 | insertChild(n, d, x, y, z, x1, y1, z1, x2, y2, z2); 113 | } 114 | } else { 115 | n.x = x, n.y = y, n.z = z, n.point = d; 116 | } 117 | } else { 118 | insertChild(n, d, x, y, z, x1, y1, z1, x2, y2, z2); 119 | } 120 | } 121 | function insertChild(n, d, x, y, z, x1, y1, z1, x2, y2, z2) { 122 | var xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, zm = (z1 + z2) * .5, right = x >= xm, below = y >= ym, deep = z >= zm, i = deep << 2 | below << 1 | right; 123 | n.leaf = false; 124 | n = n.nodes[i] || (n.nodes[i] = d3_geom_octreeNode()); 125 | if (right) x1 = xm; else x2 = xm; 126 | if (below) y1 = ym; else y2 = ym; 127 | if (deep) z1 = zm; else z2 = zm; 128 | insert(n, d, x, y, z, x1, y1, z1, x2, y2, z2); 129 | } 130 | var root = d3_geom_octreeNode(); 131 | root.add = function(d) { 132 | insert(root, d, +fx(d, ++i), +fy(d, i), +fz(d, i), x1_, y1_, z1_, x2_, y2_, z2_); 133 | }; 134 | root.visit = function(f) { 135 | d3_geom_octreeVisit(f, root, x1_, y1_, z1_, x2_, y2_, z2_); 136 | }; 137 | root.find = function(point) { 138 | return d3_geom_octreeFind(root, point[0], point[1], point[2], x1_, y1_, z1_, x2_, y2_, z2_); 139 | }; 140 | i = -1; 141 | if (x1 == null) { 142 | while (++i < n) { 143 | insert(root, data[i], xs[i], ys[i], zs[i], x1_, y1_, z1_, x2_, y2_, z2_); 144 | } 145 | --i; 146 | } else data.forEach(root.add); 147 | xs = ys = zs = data = d = null; 148 | return root; 149 | } 150 | octree.x = function(_) { 151 | return arguments.length ? (x = _, octree) : x; 152 | }; 153 | octree.y = function(_) { 154 | return arguments.length ? (y = _, octree) : y; 155 | }; 156 | octree.z = function(_) { 157 | return arguments.length ? (z = _, octree) : z; 158 | }; 159 | octree.extent = function(_) { 160 | if (!arguments.length) return x1 == null ? null : [ [ x1, y1, z1 ], [ x2, y2, z2 ] ]; 161 | if (_ == null) x1 = y1 = z1 = x2 = y2 = z2 = null; else x1 = +_[0][0], y1 = +_[0][1], 162 | z1 = +_[0][2], x2 = +_[1][0], y2 = +_[1][1], z2 = +_[1][2]; 163 | return octree; 164 | }; 165 | octree.size = function(_) { 166 | if (!arguments.length) return x1 == null ? null : [ x2 - x1, y2 - y1, z2 - z1 ]; 167 | if (_ == null) x1 = y1 = z1 = x2 = y2 = z2 = null; else x1 = y1 = z1 = 0, x2 = +_[0], 168 | y2 = +_[1], z2 = +_[1]; 169 | return octree; 170 | }; 171 | return octree; 172 | }; 173 | function d3_geom_octreeCompatX(d) { 174 | return d.x; 175 | } 176 | function d3_geom_octreeCompatY(d) { 177 | return d.y; 178 | } 179 | function d3_geom_octreeCompatZ(d) { 180 | return d.z; 181 | } 182 | function d3_geom_octreeNode() { 183 | return { 184 | leaf: true, 185 | nodes: [], 186 | point: null, 187 | x: null, 188 | y: null, 189 | z: null 190 | }; 191 | } 192 | function d3_geom_octreeVisit(f, node, x1, y1, z1, x2, y2, z2) { 193 | if (!f(node, x1, y1, z1, x2, y2, z2)) { 194 | var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, sz = (z1 + z2) * .5, children = node.nodes; 195 | if (children[0]) d3_geom_octreeVisit(f, children[0], x1, y1, z1, sx, sy, sz); 196 | if (children[1]) d3_geom_octreeVisit(f, children[1], sx, y1, z1, x2, sy, sz); 197 | if (children[2]) d3_geom_octreeVisit(f, children[2], x1, sy, z1, sx, y2, sz); 198 | if (children[3]) d3_geom_octreeVisit(f, children[3], sx, sy, z1, x2, y2, sz); 199 | if (children[4]) d3_geom_octreeVisit(f, children[4], x1, y1, sz, sx, sy, z2); 200 | if (children[5]) d3_geom_octreeVisit(f, children[5], sx, y1, sz, x2, sy, z2); 201 | if (children[6]) d3_geom_octreeVisit(f, children[6], x1, sy, sz, sx, y2, z2); 202 | if (children[7]) d3_geom_octreeVisit(f, children[7], sx, sy, sz, x2, y2, z2); 203 | } 204 | } 205 | function d3_geom_octreeFind(root, x, y, z, x0, y0, z0, x3, y3, z3) { 206 | var minDistance2 = Infinity, closestPoint; 207 | (function find(node, x1, y1, z1, x2, y2, z2) { 208 | if (x1 > x3 || y1 > y3 || z1 > z3 || x2 < x0 || y2 < y0 || z2 < z0) return; 209 | if (point = node.point) { 210 | var point, dx = x - node.x, dy = y - node.y, dz = z - node.z, distance2 = dx * dx + dy * dy + dz * dz; 211 | if (distance2 < minDistance2) { 212 | var distance = Math.sqrt(minDistance2 = distance2); 213 | x0 = x - distance, y0 = y - distance, z0 = z - distance; 214 | x3 = x + distance, y3 = y + distance, z3 = z + distance; 215 | closestPoint = point; 216 | } 217 | } 218 | var children = node.nodes, xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, zm = (z1 + z2) * .5, right = x >= xm, below = y >= ym, deep = z >= zm; 219 | for (var i = deep << 2 | below << 1 | right, j = i + 8; i < j; ++i) { 220 | if (node = children[i & 7]) switch (i & 7) { 221 | case 0: 222 | find(node, x1, y1, z1, xm, ym, zm); 223 | break; 224 | 225 | case 1: 226 | find(node, xm, y1, z1, x2, ym, zm); 227 | break; 228 | 229 | case 2: 230 | find(node, x1, ym, z1, xm, y2, zm); 231 | break; 232 | 233 | case 3: 234 | find(node, xm, ym, z1, x2, y2, zm); 235 | break; 236 | 237 | case 4: 238 | find(node, x1, y1, zm, xm, ym, z2); 239 | break; 240 | 241 | case 5: 242 | find(node, xm, y1, zm, x2, ym, z2); 243 | break; 244 | 245 | case 6: 246 | find(node, x1, ym, zm, xm, y2, z2); 247 | break; 248 | 249 | case 7: 250 | find(node, xm, ym, zm, x2, y2, z2); 251 | break; 252 | } 253 | } 254 | })(root, x0, y0, z0, x3, y3, z3); 255 | return closestPoint; 256 | } 257 | 258 | var d3_layout_forceLinkDistance = 20, 259 | d3_layout_forceLinkStrength = 1, 260 | d3_layout_forceChargeDistance2 = Infinity; 261 | 262 | function d3_layout_force3dAccumulate(oct, alpha, charges) { 263 | var cx = 0, cy = 0, cz = 0; 264 | oct.charge = 0; 265 | if (!oct.leaf) { 266 | var nodes = oct.nodes, n = nodes.length, i = -1, c; 267 | while (++i < n) { 268 | c = nodes[i]; 269 | if (c == null) continue; 270 | d3_layout_force3dAccumulate(c, alpha, charges); 271 | oct.charge += c.charge; 272 | cx += c.charge * c.cx; 273 | cy += c.charge * c.cy; 274 | cz += c.charge * c.cz; 275 | } 276 | } 277 | if (oct.point) { 278 | if (!oct.leaf) { 279 | oct.point.x += Math.random() - .5; 280 | oct.point.y += Math.random() - .5; 281 | oct.point.z += Math.random() - .5; 282 | } 283 | var k = alpha * charges[oct.point.index]; 284 | oct.charge += oct.pointCharge = k; 285 | cx += k * oct.point.x; 286 | cy += k * oct.point.y; 287 | cz += k * oct.point.z; 288 | } 289 | oct.cx = cx / oct.charge; 290 | oct.cy = cy / oct.charge; 291 | oct.cz = cz / oct.charge; 292 | } 293 | 294 | 295 | d3.layout.force3D = function() { 296 | var force = {}, 297 | event = d3.dispatch("start", "tick", "end"), 298 | size = [ 1, 1, 1 ], 299 | alpha, 300 | friction = .9, 301 | linkDistance = d3_layout_forceLinkDistance, 302 | linkStrength = d3_layout_forceLinkStrength, 303 | charge = -30, 304 | chargeDistance2 = d3_layout_forceChargeDistance2, 305 | gravity = .1, 306 | theta2 = .64, 307 | nodes = [], 308 | links = [], 309 | distances, 310 | strengths, 311 | charges; 312 | 313 | function repulse(node) { 314 | return function(oct, x1, _0, _1, x2) { 315 | if (oct.point !== node) { 316 | var dx = oct.cx - node.x, 317 | dy = oct.cy - node.y, 318 | dz = oct.cz - node.z, 319 | dw = x2 - x1, 320 | dn = dx * dx + dy * dy + dz * dz; 321 | 322 | if (dw * dw / theta2 < dn) { 323 | if (dn < chargeDistance2) { 324 | var k = oct.charge / dn; 325 | node.px -= dx * k; 326 | node.py -= dy * k; 327 | node.pz -= dz * k; 328 | } 329 | return true; 330 | } 331 | if (oct.point && dn && dn < chargeDistance2) { 332 | var k = oct.pointCharge / dn; 333 | node.px -= dx * k; 334 | node.py -= dy * k; 335 | node.pz -= dz * k; 336 | } 337 | } 338 | return !oct.charge; 339 | }; 340 | } 341 | force.tick = function() { 342 | if ((alpha *= .99) < .005) { 343 | event.end({ 344 | type: "end", 345 | alpha: alpha = 0 346 | }); 347 | return true; 348 | } 349 | var n = nodes.length, 350 | m = links.length, 351 | q, i, o, s, t, l, k, x, y, z; 352 | 353 | for (i = 0; i < m; ++i) { 354 | o = links[i]; 355 | s = o.source; 356 | t = o.target; 357 | x = t.x - s.x; 358 | y = t.y - s.y; 359 | z = t.z - s.z; 360 | 361 | if (l = x * x + y * y + z * z) { 362 | l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l; 363 | x *= l; 364 | y *= l; 365 | z *= l; 366 | t.x -= x * (k = s.weight / (t.weight + s.weight)); 367 | t.y -= y * k; 368 | t.z -= z * k; 369 | s.x += x * (k = 1 - k); 370 | s.y += y * k; 371 | s.z += z * k; 372 | } 373 | } 374 | if (k = alpha * gravity) { 375 | x = size[0] / 2; 376 | y = size[1] / 2; 377 | z = size[2] / 2; 378 | i = -1; 379 | if (k) while (++i < n) { 380 | o = nodes[i]; 381 | o.x += (x - o.x) * k; 382 | o.y += (y - o.y) * k; 383 | o.z += (z - o.z) * k; 384 | } 385 | } 386 | if (charge) { 387 | d3_layout_force3dAccumulate(q = d3.geom.octree(nodes), alpha, charges); 388 | i = -1; 389 | while (++i < n) { 390 | if (!(o = nodes[i]).fixed) { 391 | q.visit(repulse(o)); 392 | } 393 | } 394 | } 395 | i = -1; 396 | while (++i < n) { 397 | o = nodes[i]; 398 | if (o.fixed) { 399 | o.x = o.px; 400 | o.y = o.py; 401 | o.z = o.pz; 402 | } else { 403 | o.x -= (o.px - (o.px = o.x)) * friction; 404 | o.y -= (o.py - (o.py = o.y)) * friction; 405 | o.z -= (o.pz - (o.pz = o.z)) * friction; 406 | } 407 | } 408 | event.tick({ 409 | type: "tick", 410 | alpha: alpha 411 | }); 412 | }; 413 | 414 | force.nodes = function(x) { 415 | if (!arguments.length) return nodes; 416 | nodes = x; 417 | return force; 418 | }; 419 | 420 | force.links = function(x) { 421 | if (!arguments.length) return links; 422 | links = x; 423 | return force; 424 | }; 425 | 426 | force.size = function(x) { 427 | if (!arguments.length) return size; 428 | size = x; 429 | return force; 430 | }; 431 | 432 | force.linkDistance = function(x) { 433 | if (!arguments.length) return linkDistance; 434 | linkDistance = typeof x === "function" ? x : +x; 435 | return force; 436 | }; 437 | 438 | force.distance = force.linkDistance; 439 | 440 | force.linkStrength = function(x) { 441 | if (!arguments.length) return linkStrength; 442 | linkStrength = typeof x === "function" ? x : +x; 443 | return force; 444 | }; 445 | 446 | force.friction = function(x) { 447 | if (!arguments.length) return friction; 448 | friction = +x; 449 | return force; 450 | }; 451 | 452 | force.charge = function(x) { 453 | if (!arguments.length) return charge; 454 | charge = typeof x === "function" ? x : +x; 455 | return force; 456 | }; 457 | 458 | force.chargeDistance = function(x) { 459 | if (!arguments.length) 460 | return Math.sqrt(chargeDistance2); 461 | chargeDistance2 = x * x; 462 | return force; 463 | }; 464 | 465 | force.gravity = function(x) { 466 | if (!arguments.length) 467 | return gravity; 468 | gravity = +x; 469 | return force; 470 | }; 471 | 472 | force.theta = function(x) { 473 | if (!arguments.length) 474 | return Math.sqrt(theta2); 475 | theta2 = x * x; 476 | return force; 477 | }; 478 | 479 | force.alpha = function(x) { 480 | if (!arguments.length) 481 | return alpha; 482 | x = +x; 483 | if (alpha) { 484 | if (x > 0) 485 | alpha = x; 486 | else 487 | alpha = 0; 488 | } else if (x > 0) { 489 | event.start({ 490 | type: "start", 491 | alpha: alpha = x 492 | }); 493 | d3.timer(force.tick); 494 | } 495 | return force; 496 | }; 497 | 498 | force.start = function() { 499 | var i, 500 | n = nodes.length, 501 | m = links.length, 502 | w = size[0], 503 | h = size[1], 504 | d = size[2], 505 | neighbors, 506 | o; 507 | for (i = 0; i < n; ++i) { 508 | (o = nodes[i]).index = i; 509 | o.weight = 0; 510 | } 511 | for (i = 0; i < m; ++i) { 512 | o = links[i]; 513 | if (typeof o.source == "number") 514 | o.source = nodes[o.source]; 515 | if (typeof o.target == "number") 516 | o.target = nodes[o.target]; 517 | ++o.source.weight; 518 | ++o.target.weight; 519 | } 520 | for (i = 0; i < n; ++i) { 521 | o = nodes[i]; 522 | if (isNaN(o.x)) o.x = position("x", w); 523 | if (isNaN(o.y)) o.y = position("y", h); 524 | if (isNaN(o.z)) o.z = position("z", d); 525 | if (isNaN(o.px)) o.px = o.x; 526 | if (isNaN(o.py)) o.py = o.y; 527 | if (isNaN(o.pz)) o.pz = o.z; 528 | } 529 | 530 | distances = []; 531 | if (typeof linkDistance === "function") for (i = 0; i < m; ++i) distances[i] = +linkDistance.call(this, links[i], i); 532 | else for (i = 0; i < m; ++i) distances[i] = linkDistance; 533 | 534 | strengths = []; 535 | if (typeof linkStrength === "function") for (i = 0; i < m; ++i) strengths[i] = +linkStrength.call(this, links[i], i); 536 | else for (i = 0; i < m; ++i) strengths[i] = linkStrength; 537 | 538 | charges = []; if (typeof charge === "function") for (i = 0; i < n; ++i) charges[i] = +charge.call(this, nodes[i], i); 539 | else for (i = 0; i < n; ++i) charges[i] = charge; 540 | 541 | function position(dimension, size) { 542 | if (!neighbors) { 543 | neighbors = new Array(n); 544 | for (j = 0; j < n; ++j) { 545 | neighbors[j] = []; 546 | } 547 | for (j = 0; j < m; ++j) { 548 | var o = links[j]; 549 | neighbors[o.source.index].push(o.target); 550 | neighbors[o.target.index].push(o.source); 551 | } 552 | } 553 | var candidates = neighbors[i], 554 | j = -1, 555 | l = candidates.length, 556 | x; 557 | while (++j < l) 558 | if (!isNaN(x = candidates[j][dimension])) 559 | return x; 560 | return Math.random() * size; 561 | } 562 | return force.resume(); 563 | }; 564 | force.resume = function() { 565 | return force.alpha(.1); 566 | }; 567 | force.stop = function() { 568 | return force.alpha(0); 569 | }; 570 | 571 | force.drag = function() { 572 | var drag; 573 | if (!drag){ 574 | drag = d3.behavior.drag() 575 | .origin(d3_identity) 576 | .on("dragstart.force", d3_layout_forceDragstart) 577 | .on("drag.force", dragmove) 578 | .on("dragend.force", d3_layout_forceDragend); 579 | } 580 | if (!arguments.length) {return drag;} 581 | this.on("mouseover.force", d3_layout_forceMouseover) 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