├── .gitignore
├── LICENSE
├── README.md
├── index.html
├── package-lock.json
├── package.json
└── src
    ├── css
        └── style.css
    └── js
        ├── app.js
        ├── cursor-3d.js
        ├── line-element.js
        └── utils.js


/.gitignore:
--------------------------------------------------------------------------------
 1 | # Logs
 2 | logs
 3 | *.log
 4 | npm-debug.log*
 5 | yarn-debug.log*
 6 | yarn-error.log*
 7 | 
 8 | # Runtime data
 9 | pids
10 | *.pid
11 | *.seed
12 | *.pid.lock
13 | 
14 | # Directory for instrumented libs generated by jscoverage/JSCover
15 | lib-cov
16 | 
17 | # Coverage directory used by tools like istanbul
18 | coverage
19 | 
20 | # nyc test coverage
21 | .nyc_output
22 | 
23 | # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
24 | .grunt
25 | 
26 | # Bower dependency directory (https://bower.io/)
27 | bower_components
28 | 
29 | # node-waf configuration
30 | .lock-wscript
31 | 
32 | # Compiled binary addons (http://nodejs.org/api/addons.html)
33 | build/Release
34 | 
35 | # Dependency directories
36 | node_modules/
37 | jspm_packages/
38 | 
39 | # Typescript v1 declaration files
40 | typings/
41 | 
42 | # Optional npm cache directory
43 | .npm
44 | 
45 | # Optional eslint cache
46 | .eslintcache
47 | 
48 | # Optional REPL history
49 | .node_repl_history
50 | 
51 | # Output of 'npm pack'
52 | *.tgz
53 | 
54 | # Yarn Integrity file
55 | .yarn-integrity
56 | 
57 | # dotenv environment variables file
58 | .env
59 | 
60 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | 
 3 | Copyright (c) 2018 archilogic.com
 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 | # WebXR Home staging AI Demo
 2 | 
 3 | try it out via  https://archilogic-com.github.io/web-xr-homestaging-ai/
 4 | 
 5 | This demo let's you draw a floor plan in AR
 6 | 
 7 | ![](https://storage.3d.io/535e624259ee6b0200000484/2017-09-13_11-56-39_wW7wLF/draw-plan.gif)
 8 | 
 9 | and then furnish it automatically.
10 | 
11 | ![](https://storage.3d.io/535e624259ee6b0200000484/2017-09-13_11-42-23_XUM61N/home-staging-ai.gif)
12 | 
13 | 
14 | ## WebXR phone
15 | 
16 | You'll need an WebXR enabled device<br>
17 | Currently this limits your choices to:
18 | * Google Pixel
19 | * Samsung S8
20 | * iPhone with iOS 11
21 | 
22 | Get started here to install WebARonARCore / WebARonARKit Browser:
23 | * Android: https://github.com/google-ar/WebARonARCore
24 | * iOS: https://github.com/google-ar/WebARonARKit
25 | 
26 | ## Run the demo
27 | 
28 | 1. Remix the repo
29 | 2. Get an publishable API Key from https://3d.io
30 | 3. Set it in app.js
31 | 
32 | ## dependencies
33 | 
34 | * [A-Frame](https://aframe.io)
35 | * [three.ar.js](https://github.com/google-ar/three.ar.js)
36 | * [aframe-ar](https://github.com/chenzlabs/aframe-ar)
37 | * [3dio.js](https://3d.io)
38 | 


--------------------------------------------------------------------------------
/index.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html>
 3 | <head>
 4 |   <title>homeStaging demo</title>
 5 |   <!-- aframe library -->
 6 |   <script src="https://aframe.io/releases/0.7.0/aframe.min.js"></script>
 7 |   <!-- three.ar.js & aframe-ar.js -->
 8 |   <script src="https://rawgit.com/chenzlabs/three.ar.js/master/dist/three.ar.js"></script>
 9 |   <script src="https://rawgit.com/chenzlabs/aframe-ar/ar-raycaster-pass-in-xy/dist/aframe-ar.js"></script>
10 |   <!-- 3dio.js for architectural toolkit and homestaging ai -->
11 |   <script src="https://dist.3d.io/3dio-js/1.2.x/3dio.min.js"></script>
12 |   <!-- aframe components -->
13 |   <script src="./src/js/line-element.js"></script>
14 |   <script src="./src/js/cursor-3d.js"></script>
15 |   <link rel="stylesheet" type="text/css" href="./src/css/style.css">
16 |   <!-- Prevent touch causing flicker on iOS. -->
17 |   <style> * { -webkit-tap-highlight-color: rgba(0,0,0,0); } </style>   
18 |   <script>
19 |     AFRAME.registerComponent('shadow-material', {
20 |       init: function () {
21 |         this.material = this.el.getOrCreateObject3D('mesh').material = new THREE.ShadowMaterial();
22 |         this.material.opacity = 0.3;
23 |       }
24 |     });
25 |   </script>
26 | </head>
27 | <body>
28 |   <div class="controls">
29 |     <div id="tools">
30 |       <!-- tools to draw basic floor plan -->
31 |       <button class="btn-tool" id="wall">wall</button>
32 |       <button class="btn-tool" id="window">window</button>
33 |       <button class="btn-tool" id="door">door</button>
34 |     </div>
35 |     <br>
36 |     <button id="furnish">furnish</button>
37 |     <div id="styles">
38 |       <!-- style filters for furnishings -->
39 |       <button class="btn-style" id="nordic">nordic</button>
40 |       <button class="btn-style" id="minimal">minimal</button>
41 |       <button class="btn-style" id="urban">urban</button>
42 |     </div>
43 |     <br><br>
44 |     <button id="build">build</button>
45 |     <button id="floorplan">floor plan</button>
46 |     <button id="restart">restart</button>
47 |   </div>
48 |   <div id="svg-container">
49 |   </div>
50 |   <a-scene ar shadow="type: pcfsoft">
51 |     <a-entity light="type:directional; castShadow:true; intensity:0.5; shadowCameraTop:10;" position="0 2 0"></a-entity>
52 |     <a-entity light="type:ambient; color:#bbb"></a-entity>
53 |     <a-entity light="groundColor: #70b4ff; color: #ffae83; intensity: 0.4; type: hemisphere" position="1 0 0"></a-entity>
54 |     <a-plane class="collidable" width="50" height="50" rotation="-90 0 0" shadow="receive:true" material="color:#bb9; opacity:0.6"></a-plane>
55 |     <a-entity id="furnishings"></a-entity>
56 |     <a-entity id="structure" visible="false"></a-entity>
57 |     <a-entity id="drawing"></a-entity>
58 |     <a-entity id="cursor-3d" cursor-3d material="color:#ff5630" position="0 0 0">
59 |       <a-entity geometry="primitive:ring; radiusInner: 0.1; radiusOuter: 0.11; height: 0.02" material="color:#ff5630; shader:flat"  rotation="-90 0 0" position="0 0.01 0"></a-entity>
60 |       <a-entity geometry="primitve:box; width: 0.008; depth: 0.008; height: 1.2" material="color:#ff5630; shader:flat" position="0 0.6 0"></a-entity>
61 |     </a-entity>
62 |     <a-camera look-controls>
63 |       <a-entity id="raycaster"
64 |                 cursor="rayOrigin: mouse; fuse:false;"
65 |                 position="0 0 -1"
66 |                 visible="false"
67 |                 raycaster="objects: .collidable"
68 |                 material="color: black; shader: flat">
69 |       </a-entity>
70 |     </a-camera>
71 |   </a-scene>
72 |   <script src="./src/js/app.js"></script>
73 |   <script src="./src/js/utils.js"></script>
74 | </body>
75 | </html>


--------------------------------------------------------------------------------
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2564 |   }
2565 | }
2566 | 


--------------------------------------------------------------------------------
/package.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "name": "homestaging-ai-web-xr",
 3 |   "version": "1.0.0",
 4 |   "description": "try it out via  https://archilogic-com.github.io/web-xr-homestaging-ai/",
 5 |   "author": "frederic-schwarz",
 6 |   "license": "MIT",
 7 |   "devDependencies": {
 8 |     "lite-server": "^2.4.0"
 9 |   },
10 |   "scripts": {
11 |     "dev": "node_modules/.bin/lite-server",
12 |     "test": "echo \"Error: no test specified\" && exit 1"
13 |   }
14 | }
15 | 


--------------------------------------------------------------------------------
/src/css/style.css:
--------------------------------------------------------------------------------
 1 | .controls {
 2 |   position: absolute;
 3 |   top: 10px;
 4 |   left: 10px;
 5 |   width: 100px;
 6 |   z-index: 1000;
 7 |   display: none;
 8 | }
 9 | button {
10 |   display: inline-block;
11 |   border: solid 2px #2de5b7;
12 |   outline: none;
13 |   background: rgba(255,255,255,0.2);
14 |   color: #2de5b7;
15 |   font-weight: bold;
16 |   font-size: 16px;
17 |   letter-spacing: 1px;
18 |   margin: 0 0 6px 0;
19 |   padding: 3px 10px;
20 |   width: 90px;
21 |   border-radius: 3px;
22 |   cursor: pointer;
23 | }
24 | button:hover, button.active {
25 |   background: #2de5b7;
26 |   color: white;
27 | }
28 | .btn-tool {
29 |   border: solid 2px #ff5630;
30 |   color: #ff5630;
31 | }
32 | .btn-tool:hover, .btn-tool.active {
33 |   background: #ff5630;
34 |   color: white;
35 | }
36 | #furnish, .btn-style {
37 |   border: solid 2px #4164f2;
38 |   color: #4164f2;
39 | }
40 | #furnish:hover, #hover.active, .btn-style:hover, .btn-style.active {
41 |   background: #4164f2;
42 |   color: white;
43 | }
44 | #styles {
45 |   display: none;
46 | }
47 | #svg-container {
48 |   display: none;
49 |   position: absolute;
50 |   top: 0;
51 |   left: 0;
52 |   width: 100%;
53 |   height: 100vh;
54 |   z-index: 500;
55 |   background: white;
56 | }


--------------------------------------------------------------------------------
/src/js/app.js:
--------------------------------------------------------------------------------
  1 | // set api keys
  2 | io3d.config({
  3 |   // home staging need api keys
  4 |   // get yours from https://3d.io
  5 |   publishableApiKey: 'acb76899-5870-481f-ad52-856fc4d08103'
  6 | })
  7 | 
  8 | // UI elements
  9 | var toolButtons = document.querySelectorAll('.btn-tool')
 10 | var styleButtons = document.querySelectorAll('.btn-style')
 11 | var btnFurnishEl = document.querySelector('#furnish');
 12 | var btnBuildEl = document.querySelector('#build');
 13 | var btnFloorPlanEl = document.querySelector('#floorplan');
 14 | var btnRestartEl = document.querySelector('#restart');
 15 | var controlsEl = document.querySelector('.controls');
 16 | var toolsEl = document.querySelector('#tools');
 17 | var stylesEl = document.querySelector('#styles');
 18 | 
 19 | // aframe elements
 20 | var rayCasterEl = document.querySelector('#raycaster');
 21 | var arRaycasterEl = document.querySelector('#ar-raycaster');
 22 | var planeEl = document.querySelector('a-plane');
 23 | var furnishingEl = document.querySelector('#furnishings');
 24 | var structureEl = document.querySelector('#structure');
 25 | var drawingEl = document.querySelector('#drawing');
 26 | var cursor3dEl = document.querySelector('#cursor-3d');
 27 | var canvasEl
 28 | 
 29 | // inital settings
 30 | var isMobile = AFRAME.utils.device.isMobile()
 31 | if (isMobile) {
 32 |   rayCasterEl.setAttribute('cursor', {rayOrigin: 'entity', fuse: false})
 33 |   // rayCasterEl.setAttribute('geometry', {primitive: 'sphere', radius: 0.01})
 34 |   // add shadow material to plane
 35 |   planeEl.setAttribute('shadow-material', true)
 36 |   // wait for aframe to load to get the canvas
 37 |   document.querySelector('a-scene').addEventListener('loaded', initTracking)
 38 | } else {
 39 |   document.querySelector('a-scene').addEventListener('loaded', function() {
 40 |     io3d.utils.ui.message('click on the floor to draw a wall')
 41 |     initDrawing()
 42 |     switchMode({srcElement: document.querySelector('#wall')})
 43 |   })
 44 | }
 45 | 
 46 | // internals
 47 | var points = []
 48 | var drawMode = null
 49 | var sceneStructure
 50 | var addedItems = []
 51 | var initMsg
 52 | 
 53 | // bind events
 54 | toolButtons.forEach(btn => {
 55 |   btn.addEventListener('click', switchMode)
 56 | })
 57 | styleButtons.forEach(btn => {
 58 |   btn.addEventListener('click', changeStyle)
 59 | })
 60 | rayCasterEl.addEventListener('click', addPoint)
 61 | btnFurnishEl.addEventListener('click', getFurnishing)
 62 | btnBuildEl.addEventListener('click', buildStructure)
 63 | btnFloorPlanEl.addEventListener('click', getFloorPlan)
 64 | btnRestartEl.addEventListener('click', restart)
 65 | 
 66 | // workaround to get the initial plane position
 67 | function initTracking() {
 68 |   initMsg = io3d.utils.ui.message('tap on a floor to initialize')
 69 |   canvasEl = document.querySelector('canvas');
 70 |   canvasEl.addEventListener('touchstart', hitTest, false);
 71 | }
 72 | 
 73 | function initDrawing() {
 74 |   rayCasterEl.setAttribute('visible', true)
 75 |   controlsEl.style.display = 'block'
 76 | }
 77 | 
 78 | function addPoint(e) {
 79 |   // get data from 3d cursor
 80 |   const hitWall = cursor3dEl.components['cursor-3d'].hitWall
 81 |   const position = cursor3dEl.getAttribute('position') //components['cursor-3d'].position
 82 |   if (drawMode === 'wall' || drawMode === 'window' || drawMode === 'door') points.push(position)
 83 |   // position.y += 0.025
 84 |   if (drawMode === 'wall' && points.length >= 2) {
 85 |     var i = points.length - 1
 86 |     // add a wall
 87 |     addLine({start: points[i - 1], end: points[i], color: '#222'})
 88 |     if (hitWall) points = []
 89 |   } else if (hitWall && drawMode && points.length === 2) {
 90 |     let i = points.length - 1
 91 |     let color = drawMode === 'window' ? '#ddd' : '#f0f0f0'
 92 |     let type = drawMode === 'window' ? 'window' : 'door'
 93 |     let pW = hitWall.getAttribute('position')
 94 |     // verify that points are in the correct order
 95 |     let flipPoints = distance(points[i - 1], pW) < distance(points[1], pW)
 96 |     let p1 = {x: distance(points[i - 1], pW), y:0.01, z:0}
 97 |     let p2 = {x: distance(points[1], pW), y:0.01, z:0}
 98 |     let start = flipPoints ? p1 : p2
 99 |     let end = flipPoints ? p2 : p1
100 |     // add a window or door to the corresponding wall
101 |     addLine({start, end, color, type, parent: hitWall})
102 |     points = []
103 |   }
104 | }
105 | 
106 | function addLine(args) {
107 |   var
108 |     start = args.start,
109 |     end = args.end,
110 |     type = args.type,
111 |     color = args.color || 'white',
112 |     parent = args.parent || drawingEl,
113 |     box = document.createElement('a-entity'),
114 |     l = distance(start, end),
115 |     angle = pointAngle(start, end),
116 |     w = 0.1,
117 |     h = 0.005
118 | 
119 |   box.setAttribute('position', AFRAME.utils.coordinates.stringify(start))
120 |   box.setAttribute('rotation', `0 ${angle} 0`)
121 |   box.setAttribute('line-element', {
122 |     type: type,
123 |     l,
124 |     w,
125 |     h,
126 |     color: color
127 |   })
128 |   box.setAttribute('class', 'collidable')
129 |   parent.appendChild(box)
130 | }
131 | 
132 | function getFurnishing() {
133 | 
134 |   // convert drawn aframe elements into scene structure
135 |   getSceneStructure()
136 |     // send sceneStructure to home staging ai
137 |     // optional set space label: io3d.staging.getFurnishings(result, {label: bedroom})
138 |     .then(result => {
139 |       var messages = [
140 |         'looking for furniture in the apartment',
141 |         'buying furniture from nearby store',
142 |         'calling an interior designer',
143 |         'there is a chair, there is a sofa ... ',
144 |         'You said you want furniture?',
145 |         'How about something that goes really well with the floor?'
146 |       ]
147 |       var space = result.find(el => el.type === 'polyfloor')
148 |       var area = space && getPolygonArea(space.polygon)
149 |       var label = 'dining_living'
150 |       if (area && area < 15) {
151 |         io3d.utils.ui.message('That is a tiny tiny room')
152 |         label = 'dining'
153 |       }
154 |       io3d.utils.ui.message(messages[Math.floor(Math.random() * messages.length)])
155 |       console.log(area, label)
156 |       return io3d.staging.getFurnishings(result, {spaceId: space.id, label: label})
157 |     })
158 |     // update sceneStructure for later use
159 |     .then(result => {
160 |       // let's hide the drawing on mobile
161 |       if (isMobile) drawingEl.setAttribute('visible', false)
162 |       cursor3dEl.setAttribute('visible', false)
163 |       toolsEl.style.display = 'none'
164 |       stylesEl.style.display = 'block'
165 |       rayCasterEl.removeEventListener('click', addPoint)
166 |       sceneStructure = result
167 |       return result
168 |     })
169 |     .then(placeFurniture)
170 |     .catch(err => {
171 |       io3d.utils.ui.message.error('nothing found - room too small?')
172 |       console.log(err)
173 |     })
174 | }
175 | 
176 | function changeStyle(e) {
177 |   var style = e.srcElement.id
178 |   if (!sceneStructure) return
179 |   io3d.staging.replaceFurniture(sceneStructure, {query: style})
180 |     .then(placeFurniture)
181 |     .catch(err => {
182 |       console.log(err)
183 |     })
184 | }
185 | 
186 | function placeFurniture(input) {
187 |   // convert sceneStructure to aframe Html so we can place it in the scene
188 |   var elements = io3d.scene.getAframeElementsFromSceneStructure(input)
189 |   // check for previously added elements and remove them
190 |   addedItems.forEach(el => {
191 |     el.parentNode.removeChild(el)
192 |   })
193 |   // add elements to the scene
194 |   elements.forEach(el => {
195 |     furnishingEl.appendChild(el)
196 |   })
197 |   // store added elements for later removal
198 |   addedItems = elements
199 | }
200 | 
201 | function getSceneStructure() {
202 |   console.log('getting sceneStructure')
203 |   let _sceneStructure = []
204 |   const elements = document.querySelectorAll('a-entity[line-element]')
205 |   elements.forEach(el => {
206 |     let data = getElement3d(el)
207 |     if (data.type === 'wall') {
208 |       data.children = []
209 |       const children = el.childNodes
210 |       children.forEach(c => {
211 |         data.children.push(getElement3d(c))
212 |       })
213 |       _sceneStructure.push(data)
214 |     }
215 |   })
216 |   // snap walls
217 |   _sceneStructure = io3d.scene.snapWalls(_sceneStructure)
218 |   _sceneStructure = JSON.parse(JSON.stringify(_sceneStructure))
219 |   // FIXME: workaround for offline support
220 |   // return Promise.resolve(sceneStructure)
221 |   // get polygonal floor
222 |   return io3d.utils.services.call('Recognizer.recognizeFloors', {
223 |     walls: _sceneStructure.filter(el3d => el3d.type === 'wall')
224 |   })
225 |     .then(floors => {
226 |       if (floors.length === 0 ) {
227 |         io3d.utils.ui.message.error('walls are not closed - try again', { expire: 2000 })
228 |       }
229 |       return Promise.resolve(_sceneStructure.concat(floors))
230 |     })
231 |     // normalize scene structure ( add default values and uuids )
232 |     .then(io3d.scene.normalizeSceneStructure)
233 | }
234 | 
235 | function buildStructure() {
236 |   const visible = structureEl.getAttribute('visible')
237 |   if (visible) {
238 |     planeEl.setAttribute('visible', true)
239 |     structureEl.setAttribute('visible', false)
240 |     return
241 |   } else {
242 |     structureEl.setAttribute('visible', true)
243 |     planeEl.setAttribute('visible', false)
244 |   }
245 |   while (structureEl.firstChild) {
246 |     structureEl.removeChild(structureEl.firstChild)
247 |   }
248 |   getSceneStructure()
249 |     .then(result => {
250 |       const elements = io3d.scene.getAframeElementsFromSceneStructure(result)
251 |       elements.forEach(el => {
252 |         structureEl.appendChild(el)
253 |       })
254 |     })
255 |     .catch(console.error)
256 | }
257 | 
258 | function getFloorPlan() {
259 |   console.log('get floorplan')
260 |   const svgEl = document.querySelector('#svg-container')
261 |   if (svgEl.style.display === 'block') {
262 |     svgEl.style.display = 'none'
263 |     svgEl.innerHTML = ''
264 |     toolsEl.style.display = 'block'
265 |     btnFurnishEl.style.display = 'block'
266 |     btnBuildEl.style.display = 'block'
267 |     return
268 |   }
269 |   getSceneStructure()
270 |     .then(result => {
271 |       var space = result.find(el => el.type === 'polyfloor')
272 |       if (!space) {
273 |         io3d.utils.ui.message.error('try to close the room first')
274 |         return
275 |       }
276 |       toolsEl.style.display = 'none'
277 |       btnFurnishEl.style.display = 'none'
278 |       btnBuildEl.style.display = 'none'
279 |     
280 |       var message = {
281 |         method: 'Scene.exportSvg',
282 |         params: { sceneStructure: result, options: {style: 'lines'} },
283 |         jsonrpc: '2.0',
284 |         id: Math.round(Math.random()*1e20)
285 |       }
286 | 
287 |       return fetch('https://tasks.3d.io/', {
288 |         method: 'POST', body: JSON.stringify( message )
289 |       }).then(function(response){
290 |         return response.json()
291 |       }).then(function(body){
292 |         return body.result
293 |       }).catch(console.error)
294 |     })
295 |     .then(result => {
296 |       const svgStr = result.content
297 |       svgEl.style.display = 'block'
298 |       svgEl.innerHTML = svgStr
299 |     })
300 |     .catch(console.error)
301 | }
302 | 
303 | function switchMode(e) {
304 |   var el = e.srcElement
305 |   points = []
306 |   if (el.id === drawMode) {
307 |     drawMode = null
308 |     el.classList.remove('active')
309 |   } else {
310 |     drawMode = el.id
311 |     el.classList.add('active')
312 |     toolButtons.forEach(btn => {
313 |       if (btn.id !== el.id) btn.classList.remove('active')
314 |     })
315 |   }
316 |   console.log(el.id, drawMode)
317 | }
318 | 
319 | function hitTest(e) {
320 |   console.log('click')
321 |   if (!e.touches[0]) {
322 |     return;
323 |   }
324 |   var x = e.touches[0].pageX / window.innerWidth;
325 |   var y = e.touches[0].pageY / window.innerHeight;
326 |   console.log(x, y)
327 |   var arRaycaster = arRaycasterEl.components['ar-raycaster'];
328 |   var hits = arRaycaster.hitAR(x, y);
329 |   if (hits && hits.length) getPosFromHit(hits);
330 |   else io3d.utils.ui.message.error('try again - ideally standing', { expire: 2000 })
331 | }
332 | 
333 | function getPosFromHit(hits) {
334 |   // lets choose the last one which is most likely the floor
335 |   console.log(hits.length, 'hits')
336 |   var hit = hits[hits.length - 1]
337 |   if (!hit || !hit.point) {
338 |     throw new Error('placeObjectAtHit requires a VRHit object');
339 |   }
340 |   planeEl.setAttribute('position', AFRAME.utils.coordinates.stringify(hit.point))
341 |   furnishingEl.setAttribute('position', `0 ${hit.point.y} 0`)
342 |   structureEl.setAttribute('position', `0 ${hit.point.y} 0`)
343 |   canvasEl.removeEventListener('touchstart', hitTest, false);
344 |   initMsg.close()
345 |   io3d.utils.ui.message.success('floor detected - start', { expire: 1000 })
346 | 
347 |   // show drawing menu and cursor
348 |   setTimeout(function() {
349 |     initDrawing()
350 |   }, 1000)
351 | }
352 | 
353 | function restart() {
354 |   drawingEl.setAttribute('visible', true)
355 |   cursor3dEl.setAttribute('visible', true)
356 |   toolsEl.style.display = 'block'
357 |   stylesEl.style.display = 'none'
358 |   rayCasterEl.addEventListener('click', addPoint)
359 |   const svgEl = document.querySelector('#svg-container')
360 |   sceneStructure = null
361 |   addedItems.forEach(el => {
362 |     if (el.parentNode) el.parentNode.removeChild(el)
363 |   })
364 |   addedItems = []
365 |   const elements = document.querySelectorAll('a-entity[line-element]')
366 |   const walls = document.querySelectorAll('[io3d-wall]')
367 |   const floors = document.querySelectorAll('[io3d-polyfloor]')
368 |   elements.forEach(el => {
369 |     if (el.parentNode) el.parentNode.removeChild(el)
370 |   })
371 |   walls.forEach(el => {
372 |     if (el.parentNode) el.parentNode.removeChild(el)
373 |   })
374 |   floors.forEach(el => {
375 |     if (el.parentNode) el.parentNode.removeChild(el)
376 |   })
377 |   svgEl.style.display = 'none'
378 | }
379 | 
380 | // helper functions
381 | 
382 | function pointAngle(u, v) {
383 |   if (!u) u = {x: 0, z:0}
384 |   return round((Math.atan2(-v.z + u.z, v.x - u.x)) * 180 / Math.PI);
385 | }
386 | 
387 | function distance(a, b) {
388 |   var dist = Math.sqrt(Math.pow((b.x-a.x),2) + Math.pow((b.y-a.y),2) + Math.pow((b.z-a.z),2))
389 |   return dist
390 | }
391 | 
392 | function round(a, factor) {
393 |   if (!factor) factor = 1e2
394 |   return Math.round(a * factor) / factor
395 | }


--------------------------------------------------------------------------------
/src/js/cursor-3d.js:
--------------------------------------------------------------------------------
 1 | AFRAME.registerComponent('cursor-3d', {
 2 |   init: function () {
 3 |     var rayCasterEl = document.querySelector('#raycaster');
 4 |     rayCasterEl.addEventListener('raycaster-intersection', getPos)
 5 |     this.walls = document.querySelectorAll('a-entity[line-element]')
 6 |     this.wallData = []
 7 |     var self = this
 8 |     function getPos(e) {
 9 |       self.position = e.detail.intersections && e.detail.intersections[0].point
10 |     }
11 |   },
12 |   tick: function (time, timeDiff) {
13 |     const snapDistance = 0.3
14 | 
15 |     // query drawn elements in scene
16 |     let _walls = document.querySelectorAll('a-entity[line-element]')
17 |     if (_walls.length && _walls.length !== this.walls.length) {
18 |       this.wallData = []
19 |       _walls.forEach(wall => {
20 |         let el3d = getElement3d(wall, true)
21 |         if (el3d.type === 'wall') this.wallData.push({el3d, wall})
22 |       })
23 |     }
24 |     // compute intersections
25 |     this.wallData.forEach((data, i) => {
26 |       if (drawMode !== 'wall') intPoint = pointOnWall(this.position, data.el3d)
27 |       else intPoint = pointOnWall(this.position, data.el3d, 'snapToPoint')
28 |       this.wallData[i].intPoint = intPoint
29 |     })
30 | 
31 |     // get closest intersection
32 |     this.wallData.sort((a, b) => {
33 |       let distA = distance(this.position, a.intPoint)
34 |       let distB = distance(this.position, b.intPoint)
35 |       return distA < distB ? -1 : 1
36 |     })
37 | 
38 |     // original position is set by raycaster
39 |     // position is changed here if snapping is needed
40 |     if (drawMode !== 'wall' && this.wallData.length) {
41 |       // doors and windows always snap to walls
42 |       this.position.x = this.wallData[0].intPoint.x
43 |       this.position.z = this.wallData[0].intPoint.z
44 |       this.hitWall = this.wallData[0].wall
45 |     } else if (drawMode === 'wall' &&  this.wallData.length) {
46 |       // check if were close to another wall end
47 |       let doSnap = distance(this.position, this.wallData[0].intPoint) < snapDistance
48 |       if (doSnap) {
49 |         this.position.x = this.wallData[0].intPoint.x
50 |         this.position.z = this.wallData[0].intPoint.z
51 |         this.hitWall = this.wallData[0].wall
52 |       } else this.hitWall = null
53 |     } else this.hitWall = null
54 | 
55 |     this.el.setAttribute('position', this.position)
56 |   }
57 | });


--------------------------------------------------------------------------------
/src/js/line-element.js:
--------------------------------------------------------------------------------
 1 | AFRAME.registerComponent('line-element', {
 2 |   schema: {
 3 |     l: {type: 'number', default: 1},
 4 |     h: {type: 'number', default: 1},
 5 |     w: {type: 'number', default: 1},
 6 |     color: {type: 'color', default: '#AAA'},
 7 |     type: {type: 'string', default: 'wall'}
 8 |   },
 9 |   init: function () {
10 |     var data = this.data;
11 |     var el = this.el;
12 |     this.geometry = new THREE.BoxBufferGeometry(data.l, data.h, data.w);
13 |     this.material = new THREE.MeshBasicMaterial({color: data.color});
14 |     this.mesh = new THREE.Mesh(this.geometry, this.material);
15 |     var direction = new THREE.Vector3(data.l / 2, 0, 0);
16 |     this.mesh.position.add(direction); // add to position
17 |     el.setObject3D('mesh', this.mesh);
18 |   },
19 |   /**
20 |    * Update the mesh in response to property updates.
21 |    */
22 |   update: function (oldData) {
23 |     var data = this.data;
24 |     var el = this.el;
25 |     // If `oldData` is empty, then this means we're in the initialization process.
26 |     // No need to update.
27 |     if (Object.keys(oldData).length === 0) { return; }
28 |     // Geometry-related properties changed. Update the geometry.
29 |     if (data.l !== oldData.l ||
30 |       data.h !== oldData.h ||
31 |       data.w !== oldData.w) {
32 |       el.getObject3D('mesh').geometry = new THREE.BoxBufferGeometry(data.l, data.h, data.w);
33 |     }
34 |     // Material-related properties changed. Update the material.
35 |     if (data.color !== oldData.color) {
36 |       el.getObject3D('mesh').material.color = data.color;
37 |     }
38 |   }
39 | });


--------------------------------------------------------------------------------
/src/js/utils.js:
--------------------------------------------------------------------------------
 1 | function getElement3d (el, center) {
 2 |   let data = el.getAttribute('line-element')
 3 |   delete data.color
 4 |   let pos = el.getAttribute('position')
 5 |   let rot = el.getAttribute('rotation')
 6 |   data.x = round(pos.x)
 7 |   data.y = round(pos.y)
 8 |   data.z = round(pos.z)
 9 |   data.ry = round(rot.y)
10 |   // clean up data
11 |   if (data.type === 'wall') {
12 |     var w = {
13 |       x: -data.w * Math.cos(data.ry * Math.PI / 180 + Math.PI / 2),
14 |       z: data.w * Math.sin(data.ry * Math.PI / 180 + Math.PI / 2)
15 |     }
16 |     if (!center) {
17 |       data.x -= w.x / 2
18 |       data.z -= w.z / 2
19 |     }
20 |     data.h = 2.4
21 |     data.y = 0
22 |   } else if (data.type === 'door') {
23 |     data.h = 2
24 |     data.y = 0
25 |   } else if (data.type === 'window') {
26 |     data.h = 1.2
27 |     data.y = 0.8
28 |   }
29 |   return data
30 | }
31 | 
32 | // get wall points + vectors
33 | function getWallData (wall) {
34 |   var
35 |     wallAngle = wall.ry / 180 * Math.PI,
36 |     // width vector
37 |     w = {
38 |       x: -wall.w * Math.cos(wallAngle + Math.PI / 2),
39 |       z: wall.w * Math.sin(wallAngle + Math.PI / 2)
40 |     },
41 |     // Base Line Points
42 |     p1 = {
43 |       x: wall.x,
44 |       z: wall.z
45 |     },
46 |     p2 = {
47 |       x: wall.x + wall.l * Math.cos(wallAngle),
48 |       z: wall.z - wall.l * Math.sin(wallAngle)
49 |     }
50 |   return {wallAngle: wallAngle, p1: p1, p2: p2, w: w}
51 | }
52 | 
53 | function pointOnWall (p, wall, snapToPoint) {
54 |   const data = getWallData(wall)
55 |   // get intersection point
56 |   const _p = intersection(p, {x: p.x + data.w.x, z: p.z + data.w.z}, data.p1, data.p2)
57 |   // see if intersection is on the wall
58 |   const d1 = distance(_p, data.p1)
59 |   const d2 = distance(_p, data.p2)
60 |   const dl = distance(data.p1, data.p2)
61 |   // return closest wall point if asked for
62 |   if (snapToPoint) {
63 |     return (d1 > d2) ? data.p2 : data.p1
64 |   }
65 |   else if (d1 > dl) return data.p2
66 |   else if (d2 > dl) return data.p1
67 |   else return _p
68 | }
69 | 
70 | function getPolygonArea(polygon) {
71 |   var numPoints = polygon.length
72 |   var area = 0         // Accumulates area in the loop
73 |   var j = numPoints - 1  // The last vertex is the 'previous' one to the first
74 |   for (var i = 0; i < numPoints; i++) {
75 |     area = area + (polygon[ j ][ 0 ] + polygon[ i ][ 0 ]) * (polygon[ j ][ 1 ] - polygon[ i ][ 1 ])
76 |     j = i  //j is previous vertex to i
77 |   }
78 |   area = Math.round(Math.abs(area / 2)*100)/100
79 |   return area
80 | }
81 | 
82 | // intersections line p and q
83 | function intersection (p1, p2, q1, q2) {
84 |   return {
85 |     x: ((q2.x - q1.x) * (p2.x * p1.z - p1.x * p2.z) - (p2.x - p1.x) * (q2.x * q1.z - q1.x * q2.z)) / ((q2.z - q1.z) * (p2.x - p1.x) - (p2.z - p1.z) * (q2.x - q1.x)),
86 |     z: ((p1.z - p2.z) * (q2.x * q1.z - q1.x * q2.z) - (q1.z - q2.z) * (p2.x * p1.z - p1.x * p2.z)) / ((q2.z - q1.z) * (p2.x - p1.x) - (p2.z - p1.z) * (q2.x - q1.x)),
87 |   }
88 | }
89 | 
90 | // distance between points
91 | function distance (p, q) {
92 |   return Math.sqrt(Math.pow((p.x - q.x), 2) + Math.pow((p.z - q.z), 2))
93 | }
94 | 
95 | function rnd (a) {
96 |   return Math.round(a * 100) / 100
97 | }


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