-
Notifications
You must be signed in to change notification settings - Fork 506
/
Copy pathshow-boundary.html
289 lines (223 loc) · 8.61 KB
/
show-boundary.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset='utf-8'>
<meta name='viewport' content='width=device-width, initial-scale=1, user-scalable=no'>
<meta name='mobile-web-app-capable' content='yes'>
<meta name='apple-mobile-web-app-capable' content='yes'>
<title>AR show bounded floor</title>
<link href='../css/common.css' rel='stylesheet'>
</link>
</head>
<body>
<header>
<details open>
<summary>Bounded floor display</summary>
This sample demonstrates the
<a href="https://immersive-web.github.io/webxr/#xrboundedreferencespace-interface">bounded-floor feature</a>
by showing its outline around the user<p>
<a class="back" href="./index.html">Back</a>
</p>
</details>
</header>
<script type="importmap">
{
"imports": {
"three": "https://cdn.jsdelivr.net/npm/[email protected]/build/three.module.js",
"three/examples/": "https://cdn.jsdelivr.net/npm/[email protected]/examples/",
"three/addons/": "https://cdn.jsdelivr.net/npm/[email protected]/examples/jsm/"
}
}
</script>
<script type="module">
import * as THREE from 'three';
import { XRControllerModelFactory } from 'three/examples/jsm/webxr/XRControllerModelFactory.min.js';
import { WebXRButton } from '../js/util/webxr-button.js';
import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
import { DRACOLoader } from 'three/addons/loaders/DRACOLoader.js';
let xrButton = null;
let controller1, controller2;
let controllerGrip1, controllerGrip2;
let container;
let camera, scene, renderer, line, placedflower;
let BoundedReferenceSpace;
let flower;
let updateBoundary = false;
const tempMatrix = new THREE.Matrix4();
const linematerial = new THREE.LineBasicMaterial( { color: 0xffffff } );
const fillmaterial = new THREE.MeshBasicMaterial( { color: 0x0000ff } );
const baseOriginGroup = new THREE.Group();
init();
function init() {
// set up three.js boilerplate
scene = new THREE.Scene();
line = null;
placedflower = null;
camera = new THREE.PerspectiveCamera(70, window.innerWidth / window.innerHeight, 0.01, 20);
const light = new THREE.HemisphereLight(0xffffff, 0xbbbbff, 1);
light.position.set(0.5, 1, 0.25);
scene.add(light);
renderer = new THREE.WebGLRenderer({ antialias: true, alpha: true });
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.xr.enabled = true;
renderer.xr.setFoveation(0);
renderer.autoClear = false;
xrButton = new WebXRButton({
onRequestSession: onRequestSession,
onEndSession: onEndSession,
textEnterXRTitle: "START AR",
textXRNotFoundTitle: "AR NOT FOUND",
textExitXRTitle: "EXIT AR",
});
document.querySelector('header').appendChild(xrButton.domElement);
if (navigator.xr) {
navigator.xr.isSessionSupported('immersive-ar')
.then((supported) => {
xrButton.enabled = supported;
});
}
// add controllers to the scene
controller1 = renderer.xr.getController(0);
controller1.addEventListener('selectstart', onSelectStart);
controller1.addEventListener('selectend', onSelectEnd);
controller1.addEventListener('connected', function (event) {
this.add(buildController(event.data));
});
controller1.addEventListener('disconnected', function () {
this.remove(this.children[0]);
});
scene.add(controller1);
controller2 = renderer.xr.getController(1);
controller2.addEventListener('selectstart', onSelectStart);
controller2.addEventListener('selectend', onSelectEnd);
controller2.addEventListener('connected', function (event) {
this.add(buildController(event.data));
});
scene.add(controller2);
const controllerModelFactory = new XRControllerModelFactory();
controllerGrip1 = renderer.xr.getControllerGrip(0);
controllerGrip1.add(controllerModelFactory.createControllerModel(controllerGrip1));
scene.add(controllerGrip1);
controllerGrip2 = renderer.xr.getControllerGrip(1);
controllerGrip2.add(controllerModelFactory.createControllerModel(controllerGrip2));
scene.add(controllerGrip2);
controller2.addEventListener('disconnected', function () {
this.remove(this.children[0]);
});
scene.add(controller2);
window.addEventListener('resize', onWindowResize);
const dracoLoader = new DRACOLoader();
dracoLoader.setDecoderPath( 'jsm/libs/draco/gltf/' );
const loader = new GLTFLoader();
loader.setDRACOLoader( dracoLoader );
loader.load( '../media/gltf/sunflower/sunflower.gltf', function ( gltf ) {
flower = gltf.scene;
});
}
function buildController(data) {
let geometry, material;
switch (data.targetRayMode) {
case 'tracked-pointer':
geometry = new THREE.BufferGeometry();
geometry.setAttribute('position', new THREE.Float32BufferAttribute([0, 0, 0, 0, 0, - 1], 3));
geometry.setAttribute('color', new THREE.Float32BufferAttribute([0.5, 0.5, 0.5, 0, 0, 0], 3));
material = new THREE.LineBasicMaterial({ vertexColors: true, blending: THREE.AdditiveBlending });
return new THREE.Line(geometry, material);
case 'gaze':
geometry = new THREE.RingGeometry(0.02, 0.04, 32).translate(0, 0, - 1);
material = new THREE.MeshBasicMaterial({ opacity: 0.5, transparent: true });
return new THREE.Mesh(geometry, material);
}
}
let pointer = undefined;
function onSelectStart(event) {
pointer = event.target;
}
function onSelectEnd(event) {
pointer = undefined;
}
function draw() {
}
function onRequestSession() {
let sessionInit = {
requiredFeatures: ['local-floor', 'bounded-floor'],
optionalFeatures: ['unbounded']
};
navigator.xr.requestSession('immersive-ar', sessionInit).then((session) => {
session.mode = 'immersive-ar';
xrButton.setSession(session);
onSessionStarted(session);
});
}
function drawBoundary(xrframe) {
if (BoundedReferenceSpace === null) {
return;
}
if (line !== null) {
scene.remove(line);
scene.remove(placedflower);
}
const points = [];
const xrgeometry = BoundedReferenceSpace.boundsGeometry;
// Place it a bit above ground so depth sensing doesn't erase the boundary
for(let x = 0; x < xrgeometry.length; x++) {
points.push( new THREE.Vector3(xrgeometry[x].x, 0.1, xrgeometry[x].z));
}
if (xrgeometry.length) {
points.push( new THREE.Vector3(xrgeometry[0].x, 0.1, xrgeometry[0].z));
}
const geometry = new THREE.BufferGeometry().setFromPoints(points);
line = new THREE.Line( geometry, linematerial );
const pose = xrframe.getPose(BoundedReferenceSpace, renderer.xr.getReferenceSpace());
const matrix = new THREE.Matrix4();
matrix.fromArray(pose.transform.matrix);
line.applyMatrix4(matrix);
scene.add(line);
placedflower = flower.clone();
placedflower.applyMatrix4(matrix);
scene.add(placedflower);
}
function onSessionStarted(session) {
session.addEventListener('end', onSessionEnded);
session.requestReferenceSpace('bounded-floor').then((refSpace) => {
BoundedReferenceSpace = refSpace;
refSpace.addEventListener('reset', (evt) => {
updateBoundary = true;
});
updateBoundary = true;
});
renderer.xr.setReferenceSpaceType('local-floor');
renderer.xr.setSession(session).then(() => {
renderer.xr.getReferenceSpace().addEventListener('reset', (evt) => {
updateBoundary = true;
});
});
renderer.setAnimationLoop(render);
}
function onEndSession(session) {
session.end();
}
function onSessionEnded(event) {
xrButton.setSession(null);
renderer.setAnimationLoop(null);
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
function render(timestamp, frame) {
if (frame) {
if (updateBoundary) {
updateBoundary = false;
drawBoundary(frame);
}
const referenceSpace = renderer.xr.getReferenceSpace();
const session = renderer.xr.getSession();
renderer.render(scene, camera);
}
}
</script>
</body>
</html>