Files
archived-vdo.ninja/examples/webxr-ar-receiver.html
2025-12-05 10:35:30 -05:00

452 lines
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HTML

<!DOCTYPE html>
<html>
<head>
<title>WebXR AR 6DoF Receiver</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
font-family: -apple-system, BlinkMacSystemFont, sans-serif;
background: #000;
color: #e6f1ff;
overflow: hidden;
}
#container {
position: relative;
width: 100vw;
height: 100vh;
}
/* Video layer - bottom */
#video-layer {
position: absolute;
top: 0; left: 0;
width: 100%; height: 100%;
z-index: 1;
background: #000;
}
#video-layer iframe {
width: 100%;
height: 100%;
border: none;
}
/* 3D layer - on top with transparency */
#three-canvas {
position: absolute;
top: 0; left: 0;
width: 100%; height: 100%;
z-index: 2;
pointer-events: none;
}
/* UI layer - on top of everything */
#controls {
position: absolute;
top: 10px;
left: 10px;
background: rgba(0,0,0,0.85);
padding: 15px;
border-radius: 10px;
z-index: 100;
max-width: 320px;
}
#controls h3 {
margin-bottom: 10px;
color: #4ecdc4;
font-size: 16px;
}
#controls label {
display: block;
margin: 8px 0 4px;
font-size: 11px;
color: #9fb1c7;
}
#controls input[type="text"] {
width: 100%;
padding: 10px;
border: 1px solid #3d455a;
border-radius: 6px;
background: #111827;
color: #e6f1ff;
font-size: 14px;
}
#controls input[type="range"] {
width: 100%;
}
#controls button {
margin-top: 12px;
padding: 12px 20px;
background: #4ecdc4;
border: none;
border-radius: 6px;
color: #0f1724;
font-weight: bold;
cursor: pointer;
width: 100%;
}
#controls button:hover {
background: #3dbdb5;
}
#stats {
position: absolute;
top: 10px;
right: 10px;
background: rgba(0,0,0,0.85);
padding: 12px;
border-radius: 10px;
z-index: 100;
font-family: monospace;
font-size: 11px;
}
#stats .row { margin: 2px 0; }
#stats .label { color: #888; }
#stats .value { color: #4ecdc4; }
.hidden { display: none !important; }
#no-video-msg {
position: absolute;
top: 50%; left: 50%;
transform: translate(-50%, -50%);
color: #666;
font-size: 14px;
z-index: 0;
}
</style>
</head>
<body>
<div id="container">
<div id="no-video-msg">Waiting for video stream...</div>
<div id="video-layer"></div>
<canvas id="three-canvas"></canvas>
<div id="controls">
<h3>WebXR AR 6DoF Receiver</h3>
<label for="streamid">Stream ID</label>
<input type="text" id="streamid" placeholder="Enter stream ID">
<label>Pose Smoothing: <span id="smoothing-value">0.50</span></label>
<input type="range" id="smoothing" min="0" max="100" value="50">
<label>Position Scale: <span id="scale-value">1.0</span></label>
<input type="range" id="scale" min="10" max="500" value="100">
<button id="connect-btn">Connect</button>
</div>
<div id="stats" class="hidden">
<div class="row"><span class="label">Pos:</span> <span class="value" id="stat-pos">--</span></div>
<div class="row"><span class="label">Rot:</span> <span class="value" id="stat-rot">--</span></div>
<div class="row"><span class="label">FPS:</span> <span class="value" id="stat-fps">--</span></div>
<div class="row"><span class="label">Pose Age:</span> <span class="value" id="stat-age">--</span></div>
<div class="row"><span class="label">Messages:</span> <span class="value" id="stat-msgs">0</span></div>
</div>
</div>
<script type="module">
import * as THREE from "https://cdn.jsdelivr.net/npm/three@0.160.0/build/three.module.js";
// Config - higher smoothing = more responsive (it's actually interpolation factor)
let config = {
smoothing: 0.5, // 0.5 = responsive, was 0.15 (too sluggish)
positionScale: 1.0
};
// Default vertical FOV - will be updated by sender
const DEFAULT_VERTICAL_FOV = 40;
// State
let scene, camera, renderer;
let iframe = null;
// Pose tracking - camera at origin, matching sender
let currentPose = {
position: new THREE.Vector3(0, 0, 0),
quaternion: new THREE.Quaternion()
};
let targetPose = {
position: new THREE.Vector3(0, 0, 0),
quaternion: new THREE.Quaternion()
};
let lastPoseTime = 0;
let msgCount = 0;
// Stats
let frameCount = 0;
let lastFpsTime = Date.now();
let currentFps = 0;
// Scene objects (for animation)
let cube, sphere, torus, cone;
function initScene() {
const canvas = document.getElementById('three-canvas');
scene = new THREE.Scene();
// Transparent background - video shows through
// Camera at origin - FOV will be updated by sender
const aspectRatio = window.innerWidth / window.innerHeight;
console.log(`Receiver initial FOV: ${DEFAULT_VERTICAL_FOV}° vertical`);
camera = new THREE.PerspectiveCamera(DEFAULT_VERTICAL_FOV, aspectRatio, 0.1, 100);
camera.position.set(0, 0, 0);
// Transparent renderer
renderer = new THREE.WebGLRenderer({ canvas, antialias: true, alpha: true });
renderer.setClearColor(0x000000, 0);
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));
// === OBJECTS SPREAD IN 360° - MUST MATCH SENDER EXACTLY ===
// FRONT (-Z direction)
cube = new THREE.Mesh(
new THREE.BoxGeometry(1, 1, 1),
new THREE.MeshBasicMaterial({ color: 0xff0000 })
);
cube.position.set(0, 0, -8);
scene.add(cube);
// FRONT-RIGHT
sphere = new THREE.Mesh(
new THREE.SphereGeometry(0.8, 32, 32),
new THREE.MeshBasicMaterial({ color: 0x00ff00 })
);
sphere.position.set(5, 1, -6);
scene.add(sphere);
// RIGHT (+X direction)
torus = new THREE.Mesh(
new THREE.TorusGeometry(1, 0.3, 16, 32),
new THREE.MeshBasicMaterial({ color: 0xffff00 })
);
torus.position.set(10, 0, 0);
scene.add(torus);
// BACK-RIGHT
const cylinder = new THREE.Mesh(
new THREE.CylinderGeometry(0.5, 0.5, 3, 32),
new THREE.MeshBasicMaterial({ color: 0x00ffff })
);
cylinder.position.set(6, 0, 8);
scene.add(cylinder);
// BACK (+Z direction)
cone = new THREE.Mesh(
new THREE.ConeGeometry(1, 2, 32),
new THREE.MeshBasicMaterial({ color: 0xff00ff })
);
cone.position.set(0, 0, 12);
scene.add(cone);
// BACK-LEFT
const octahedron = new THREE.Mesh(
new THREE.OctahedronGeometry(1),
new THREE.MeshBasicMaterial({ color: 0xff8800 })
);
octahedron.position.set(-7, 1, 7);
scene.add(octahedron);
// LEFT (-X direction)
const dodecahedron = new THREE.Mesh(
new THREE.DodecahedronGeometry(0.8),
new THREE.MeshBasicMaterial({ color: 0x8800ff })
);
dodecahedron.position.set(-10, 0, 0);
scene.add(dodecahedron);
// FRONT-LEFT
const icosahedron = new THREE.Mesh(
new THREE.IcosahedronGeometry(0.7),
new THREE.MeshBasicMaterial({ color: 0x0088ff })
);
icosahedron.position.set(-5, -1, -7);
scene.add(icosahedron);
// UP (above)
const ring = new THREE.Mesh(
new THREE.TorusGeometry(2, 0.2, 16, 32),
new THREE.MeshBasicMaterial({ color: 0xffffff })
);
ring.position.set(0, 8, 0);
ring.rotation.x = Math.PI / 2;
scene.add(ring);
// DOWN (below) - Ground grid
const grid = new THREE.GridHelper(50, 50, 0x4ecdc4, 0x333333);
grid.position.y = -2;
grid.material.opacity = 0.5;
grid.material.transparent = true;
scene.add(grid);
console.log('Scene initialized with', scene.children.length, 'objects in 360° space');
window.addEventListener('resize', onResize);
}
function onResize() {
const aspectRatio = window.innerWidth / window.innerHeight;
camera.aspect = aspectRatio;
// FOV is managed by sender - just update aspect ratio
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
function connect() {
const streamId = document.getElementById('streamid').value.trim();
if (!streamId) {
alert('Please enter a Stream ID');
return;
}
// Construct URL - go up from /examples/
const pathParts = window.location.pathname.split('/');
pathParts.pop();
pathParts.pop();
const basePath = pathParts.join('/') || '';
// cleanoutput removes UI; autostart/muted to dodge autoplay blocks
// Sensor data forwarding to parent is automatic when VDO.Ninja is in an iframe
const url = `${window.location.origin}${basePath}/?view=${encodeURIComponent(streamId)}&cleanoutput&debug&autostart=1&mute=1`;
console.log('Connecting to:', url);
// Hide controls, show stats
document.getElementById('controls').classList.add('hidden');
document.getElementById('stats').classList.remove('hidden');
// Create iframe for video
const container = document.getElementById('video-layer');
iframe = document.createElement('iframe');
iframe.allow = 'autoplay; camera; microphone; fullscreen; picture-in-picture; display-capture';
iframe.setAttribute('playsinline', '');
iframe.src = url;
container.appendChild(iframe);
// Listen for pose messages
window.addEventListener('message', handleMessage);
}
function handleMessage(event) {
const data = event.data;
// Log all messages to debug
if (!window.msgLogCount) window.msgLogCount = 0;
window.msgLogCount++;
// Log first 10 messages fully, then every 50th
if (window.msgLogCount <= 10 || window.msgLogCount % 50 === 0) {
console.log('postMessage #' + window.msgLogCount, 'from:', event.origin, 'keys:', Object.keys(data || {}), data);
}
// Specifically log if sensors present
if (data && data.sensors) {
console.log('SENSOR DATA RECEIVED #' + msgCount, data.sensors);
}
// Handle pose data from VDO.Ninja
if (data.sensors && data.sensors.pose) {
msgCount++;
document.getElementById('stat-msgs').textContent = msgCount;
const pose = data.sensors.pose;
if (msgCount <= 3) {
console.log('Received pose #' + msgCount, pose);
}
// Update target pose
targetPose.position.set(
(pose.p?.x || 0) * config.positionScale,
(pose.p?.y || 0) * config.positionScale,
(pose.p?.z || 0) * config.positionScale
);
targetPose.quaternion.set(
pose.q?.x || 0,
pose.q?.y || 0,
pose.q?.z || 0,
pose.q?.w || 1
);
// Update FOV if sender provided it
if (pose.fov && pose.fov !== camera.fov) {
camera.fov = pose.fov;
camera.updateProjectionMatrix();
console.log('Updated camera FOV to match sender:', pose.fov);
}
lastPoseTime = Date.now();
if (msgCount === 1) {
document.getElementById('no-video-msg').style.display = 'none';
}
}
}
function animate(time) {
requestAnimationFrame(animate);
// Smooth interpolation toward target pose
const t = config.smoothing;
currentPose.position.lerp(targetPose.position, t);
currentPose.quaternion.slerp(targetPose.quaternion, t);
// Apply to camera
camera.position.copy(currentPose.position);
camera.quaternion.copy(currentPose.quaternion);
// Objects stay FIXED in world space - no animation
// This ensures they match sender's view exactly
renderer.render(scene, camera);
// Update stats
frameCount++;
const now = Date.now();
if (now - lastFpsTime >= 1000) {
currentFps = frameCount;
frameCount = 0;
lastFpsTime = now;
}
const pos = currentPose.position;
const rot = currentPose.quaternion;
const poseAge = lastPoseTime ? (now - lastPoseTime) : '--';
document.getElementById('stat-pos').textContent =
`${pos.x.toFixed(2)}, ${pos.y.toFixed(2)}, ${pos.z.toFixed(2)}`;
document.getElementById('stat-rot').textContent =
`${rot.x.toFixed(2)}, ${rot.y.toFixed(2)}, ${rot.z.toFixed(2)}`;
document.getElementById('stat-fps').textContent = currentFps;
document.getElementById('stat-age').textContent = typeof poseAge === 'number' ? `${poseAge}ms` : poseAge;
}
function setupUI() {
document.getElementById('connect-btn').addEventListener('click', connect);
document.getElementById('smoothing').addEventListener('input', function(e) {
config.smoothing = parseInt(e.target.value) / 100;
document.getElementById('smoothing-value').textContent = config.smoothing.toFixed(2);
});
document.getElementById('scale').addEventListener('input', function(e) {
config.positionScale = parseInt(e.target.value) / 100;
document.getElementById('scale-value').textContent = config.positionScale.toFixed(1);
});
// Auto-connect from URL params
const urlParams = new URLSearchParams(window.location.search);
const streamId = urlParams.get('streamid') || urlParams.get('view') || urlParams.get('id');
if (streamId) {
document.getElementById('streamid').value = streamId;
setTimeout(connect, 500);
}
}
// Initialize
initScene();
setupUI();
requestAnimationFrame(animate);
</script>
</body>
</html>