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Add files via upload
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@halr9000
halr9000 authored Oct 21, 2024
1 parent bb69a57 commit d0dfce1
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<title>360 Panorama Viewer</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script>
<style>
body, html {
margin: 0;
padding: 0;
height: 100%;
font-family: Arial, sans-serif;
overscroll-behavior: none;
}
#container {
position: relative;
height: 100%;
touch-action: none;
}
#info {
position: absolute;
top: 10px;
left: 10px;
background: rgba(0,0,0,0.7);
color: white;
padding: 10px;
border-radius: 5px;
z-index: 100;
}
#fullscreenBtn {
position: absolute;
bottom: 10px;
right: 10px;
z-index: 100;
padding: 10px;
background: rgba(0,0,0,0.7);
color: white;
border: none;
border-radius: 5px;
cursor: pointer;
}
#fileInput {
display: none;
}
#uploadBtn {
position: absolute;
top: 10px;
right: 10px;
z-index: 100;
padding: 10px;
background: rgba(0,0,0,0.7);
color: white;
border: none;
border-radius: 5px;
cursor: pointer;
}
</style>
</head>
<body>
<div id="container">
<div id="info">
Upload a 360° panorama image
</div>
<input type="file" id="fileInput" accept="image/*">
<button id="uploadBtn">Upload Image</button>
<button id="fullscreenBtn">Fullscreen</button>
</div>

<script>
let scene, camera, renderer, texture, material, mesh;
let isFullscreen = false;
let initialPinchDistance = 0;

function init() {
scene = new THREE.Scene();
camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 1, 1100);
camera.target = new THREE.Vector3(0, 0, 0);

renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(window.innerWidth, window.innerHeight);
document.getElementById('container').appendChild(renderer.domElement);

window.addEventListener('resize', onWindowResize, false);
document.getElementById('container').addEventListener('mousedown', onPointerStart, false);
document.getElementById('container').addEventListener('mousemove', onPointerMove, false);
document.getElementById('container').addEventListener('mouseup', onPointerEnd, false);
document.getElementById('container').addEventListener('touchstart', onPointerStart, false);
document.getElementById('container').addEventListener('touchmove', onPointerMove, false);
document.getElementById('container').addEventListener('touchend', onPointerEnd, false);
document.getElementById('container').addEventListener('wheel', onMouseWheel, { passive: false });
document.getElementById('container').addEventListener('click', exitFullscreen, false);

document.getElementById('uploadBtn').addEventListener('click', function() {
document.getElementById('fileInput').click();
});

document.getElementById('fileInput').addEventListener('change', handleFileSelect, false);

document.getElementById('fullscreenBtn').addEventListener('click', toggleFullScreen);
}

function handleFileSelect(event) {
const file = event.target.files[0];
const reader = new FileReader();

reader.onload = function(e) {
loadTexture(e.target.result);
};

reader.readAsDataURL(file);
}

function loadTexture(imageSrc) {
if (mesh) scene.remove(mesh);

texture = new THREE.TextureLoader().load(imageSrc);
material = new THREE.MeshBasicMaterial({ map: texture, side: THREE.BackSide });
mesh = new THREE.Mesh(new THREE.SphereGeometry(500, 60, 40), material);
scene.add(mesh);
}

function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}

let isUserInteracting = false,
onPointerDownMouseX = 0, onPointerDownMouseY = 0,
lon = 0, onPointerDownLon = 0,
lat = 0, onPointerDownLat = 0,
phi = 0, theta = 0;

function onPointerStart(event) {
isUserInteracting = true;
const clientX = event.clientX || event.touches[0].clientX;
const clientY = event.clientY || event.touches[0].clientY;
onPointerDownMouseX = clientX;
onPointerDownMouseY = clientY;
onPointerDownLon = lon;
onPointerDownLat = lat;

if (event.touches && event.touches.length === 2) {
const dx = event.touches[0].clientX - event.touches[1].clientX;
const dy = event.touches[0].clientY - event.touches[1].clientY;
initialPinchDistance = Math.sqrt(dx * dx + dy * dy);
}
}

function onPointerMove(event) {
if (isUserInteracting) {
if (event.touches && event.touches.length === 2) {
// Pinch-to-zoom
const dx = event.touches[0].clientX - event.touches[1].clientX;
const dy = event.touches[0].clientY - event.touches[1].clientY;
const distance = Math.sqrt(dx * dx + dy * dy);
const pinchDelta = initialPinchDistance - distance; // Reversed the direction
zoom(pinchDelta * 0.05);
initialPinchDistance = distance;
} else {
// Regular panning
const clientX = event.clientX || event.touches[0].clientX;
const clientY = event.clientY || event.touches[0].clientY;
lon = (onPointerDownMouseX - clientX) * 0.1 + onPointerDownLon;
lat = (clientY - onPointerDownMouseY) * 0.1 + onPointerDownLat;
}
}
event.preventDefault();
}

function onPointerEnd() {
isUserInteracting = false;
}

function animate() {
requestAnimationFrame(animate);
update();
}

function update() {
lat = Math.max(-85, Math.min(85, lat));
phi = THREE.MathUtils.degToRad(90 - lat);
theta = THREE.MathUtils.degToRad(lon);

camera.target.x = 500 * Math.sin(phi) * Math.cos(theta);
camera.target.y = 500 * Math.cos(phi);
camera.target.z = 500 * Math.sin(phi) * Math.sin(theta);

camera.lookAt(camera.target);
renderer.render(scene, camera);
}

function toggleFullScreen() {
const container = document.getElementById('container');
if (!document.fullscreenElement) {
if (container.requestFullscreen) {
container.requestFullscreen();
} else if (container.mozRequestFullScreen) {
container.mozRequestFullScreen();
} else if (container.webkitRequestFullscreen) {
container.webkitRequestFullscreen();
} else if (container.msRequestFullscreen) {
container.msRequestFullscreen();
}
hideUI();
isFullscreen = true;
} else {
exitFullscreen();
}
}

function exitFullscreen() {
if (isFullscreen) {
if (document.exitFullscreen) {
document.exitFullscreen();
} else if (document.mozCancelFullScreen) {
document.mozCancelFullScreen();
} else if (document.webkitExitFullscreen) {
document.webkitExitFullscreen();
} else if (document.msExitFullscreen) {
document.msExitFullscreen();
}
showUI();
isFullscreen = false;
}
}

function hideUI() {
document.getElementById('info').style.display = 'none';
document.getElementById('uploadBtn').style.display = 'none';
document.getElementById('fullscreenBtn').style.display = 'none';
}

function showUI() {
document.getElementById('info').style.display = 'block';
document.getElementById('uploadBtn').style.display = 'block';
document.getElementById('fullscreenBtn').style.display = 'block';
}

function onMouseWheel(event) {
event.preventDefault();
zoom(event.deltaY * -0.004);
}

function zoom(delta) {
camera.fov = Math.max(30, Math.min(90, camera.fov + delta));
camera.updateProjectionMatrix();
}

init();
animate();
</script>
</body>
</html>

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