Spaces:
Running on Zero
Running on Zero
Delete static
#6
by rapidrattle - opened
- static/viewer/viewer.html +0 -167
static/viewer/viewer.html
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width,initial-scale=1">
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<title>3DGS Viewer</title>
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<style>
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*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
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html, body { width: 100%; height: 100%; overflow: hidden;
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background: radial-gradient(ellipse at 50% 60%, #1a2035 0%, #080b12 100%); }
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canvas { display: block; }
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#hud {
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position: fixed; top: 12px; left: 16px;
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color: #94a3b8; font: 12px/1.5 system-ui, sans-serif;
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pointer-events: none; user-select: none;
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}
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#loading {
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position: fixed; inset: 0;
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display: flex; flex-direction: column;
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align-items: center; justify-content: center;
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color: #94a3b8; font: 14px system-ui, sans-serif;
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gap: 12px;
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}
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#spinner {
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width: 36px; height: 36px;
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border: 3px solid #334155;
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border-top-color: #60a5fa;
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border-radius: 50%;
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animation: spin 0.9s linear infinite;
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}
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@keyframes spin { to { transform: rotate(360deg); } }
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#error {
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display: none;
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position: fixed; inset: 0;
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align-items: center; justify-content: center;
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color: #f87171; font: 13px system-ui, sans-serif;
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padding: 32px; text-align: center; white-space: pre-wrap;
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}
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</style>
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</head>
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<body>
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<div id="loading">
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<div id="spinner"></div>
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<div id="loading-label">Loading splat…</div>
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</div>
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<div id="error"></div>
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<div id="hud">drag to orbit · scroll to zoom · right-drag to pan</div>
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<script type="importmap">
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{
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"imports": {
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"three": "https://cdnjs.cloudflare.com/ajax/libs/three.js/0.180.0/three.module.js",
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"three/addons/": "https://unpkg.com/three@0.180.0/examples/jsm/",
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"@sparkjsdev/spark": "https://unpkg.com/@sparkjsdev/spark@2.0.0/dist/spark.module.js"
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}
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}
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</script>
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<script type="module">
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import * as THREE from "three";
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import { OrbitControls } from "three/addons/controls/OrbitControls.js";
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import { SparkRenderer, SplatMesh } from "@sparkjsdev/spark";
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const params = new URLSearchParams(location.search);
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const plyURL = params.get("ply");
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const loadingEl = document.getElementById("loading");
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const loadLabel = document.getElementById("loading-label");
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const errorEl = document.getElementById("error");
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function showError(msg) {
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loadingEl.style.display = "none";
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errorEl.style.display = "flex";
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errorEl.textContent = msg;
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}
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if (!plyURL) {
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showError("No ?ply= parameter provided.");
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} else {
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init(plyURL);
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}
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function init(url) {
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const scene = new THREE.Scene();
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const camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.01, 1000);
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camera.position.set(0, 0.3, 1.8);
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const renderer = new THREE.WebGLRenderer({ antialias: false });
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renderer.setPixelRatio(window.devicePixelRatio);
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renderer.setSize(window.innerWidth, window.innerHeight);
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document.body.appendChild(renderer.domElement);
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const spark = new SparkRenderer({ renderer });
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scene.add(spark);
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const controls = new OrbitControls(camera, renderer.domElement);
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controls.enableDamping = true;
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controls.dampingFactor = 0.07;
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controls.minDistance = 0.2;
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controls.maxDistance = 50;
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controls.target.set(0, 0, 0);
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const splat = new SplatMesh({ url });
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// DEG saves PLYs with -Y up and the front of the object facing roughly
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// along the horizontal axis. Re-orient for Three.js (+Y up, camera on
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// +Z looking toward -Z): a Group lets us apply a yaw first (to bring the
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// front-facing side to +Z) and then flip 180° around X to put up on +Y.
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const splatRoot = new THREE.Group();
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splatRoot.add(splat);
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splat.rotation.y = Math.PI / 2; // yaw the model so its front faces the camera
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splatRoot.rotation.x = Math.PI; // flip Y/Z so it stands upright
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scene.add(splatRoot);
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let framed = false;
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function tryFrame() {
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if (framed) return;
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const box = new THREE.Box3().setFromObject(splatRoot);
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if (box.isEmpty() || !isFinite(box.min.x)) return;
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framed = true;
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// const center = new THREE.Vector3();
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// const size = new THREE.Vector3();
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// box.getCenter(center);
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// box.getSize(size);
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// console.log(size);
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// const maxDim = Math.max(size.x, size.y, size.z);
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// // With a 45° FOV, half-fov tan ≈ 0.414, so the minimum distance to fit
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// // a sphere of diameter `maxDim` in view is maxDim / (2*0.414) ≈ 1.21*maxDim.
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// // Use a small margin (1.15) so the object nearly fills the viewport.
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// const dist = maxDim * 1.15;
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// camera.position.copy(center).add(new THREE.Vector3(0, maxDim * 0.15, dist));
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// controls.target.copy(center);
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// controls.update();
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loadingEl.style.display = "none";
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}
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fetch(url, { method: "HEAD" }).then(r => {
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if (!r.ok) throw new Error(`HTTP ${r.status} ${r.statusText}`);
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const len = r.headers.get("content-length");
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if (len) loadLabel.textContent = `Loading splat (${(len / 1024 / 1024).toFixed(1)} MB)…`;
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}).catch(e => showError("Fetch failed: " + e.message));
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let checkFrames = 0;
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function checkLoaded() {
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checkFrames++;
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if (checkFrames < 5) return;
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tryFrame();
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}
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window.addEventListener("resize", () => {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize(window.innerWidth, window.innerHeight);
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});
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renderer.setAnimationLoop(() => {
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controls.update();
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renderer.render(scene, camera);
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checkLoaded();
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});
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// Fallback: hide loading after 4s regardless of bbox-readiness.
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setTimeout(() => { loadingEl.style.display = "none"; }, 4000);
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}
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</script>
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</body>
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</html>
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