Capsule/editor.html at main · YG3-ai/Capsule · GitHub

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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" />
<title>Capsule — Editor</title>
<style>
  html, body { margin: 0; padding: 0; overflow: hidden; background: #15151b; }
  canvas { display: block; }
  * { font-family: ui-monospace, Menlo, Consolas, monospace; }

  #toolbar {
    position: fixed; top: 10px; left: 50%; transform: translateX(-50%);
    display: flex; gap: 6px; padding: 6px; z-index: 10;
    background: rgba(20,20,28,0.85); border: 1px solid #333; border-radius: 8px;
    backdrop-filter: blur(6px);
  }
  #toolbar button {
    font-size: 12px; color: #ddd; background: #2a2a36; border: 1px solid #3a3a48;
    padding: 6px 10px; border-radius: 5px; cursor: pointer;
  }
  #toolbar button:hover { background: #353544; }
  #toolbar button.active { background: #ff5577; border-color: #ff5577; color: #fff; }
  #toolbar .sep { width: 1px; background: #3a3a48; margin: 2px 2px; }
  #toolbar #save { background: #2f7d4f; border-color: #2f7d4f; color: #fff; }
  #toolbar #save:hover { background: #379459; }
  #toolbar #save.dirty { box-shadow: 0 0 0 2px #ffd23f55; }

  #panel {
    position: fixed; top: 10px; left: 10px; z-index: 10; width: 200px;
    background: rgba(20,20,28,0.85); border: 1px solid #333; border-radius: 8px;
    backdrop-filter: blur(6px); overflow: hidden;
  }
  #panel h3 { margin: 0; padding: 8px 10px; font-size: 11px; color: #9aa; background: #22222c; }
  #panel .item {
    padding: 6px 10px; font-size: 12px; color: #cce; cursor: pointer;
    border-top: 1px solid #2a2a34;
  }
  #panel .item:hover { background: #2a2a36; }
  #panel .item.selected { background: #ff557722; color: #fff; }

  #hud {
    position: fixed; bottom: 10px; left: 10px; z-index: 10;
    font-size: 12px; color: #cce; background: rgba(20,20,28,0.85);
    border: 1px solid #333; border-radius: 8px; padding: 8px 10px;
    white-space: pre; line-height: 1.5; backdrop-filter: blur(6px);
  }
  #drophint {
    position: fixed; inset: 0; z-index: 20; display: none;
    align-items: center; justify-content: center; pointer-events: none;
    background: rgba(79,214,194,0.12); border: 3px dashed #4fd6c2;
    font-size: 20px; color: #4fd6c2;
  }
</style>
<script type="importmap">
{
  "imports": {
    "three":         "https://unpkg.com/three@0.171.0/build/three.module.js",
    "three/addons/": "https://unpkg.com/three@0.171.0/examples/jsm/"
  }
}
</script>
</head>
<body>
<div id="toolbar">
  <button id="mode-translate" class="active" title="Move (W)">Move</button>
  <button id="mode-rotate" title="Rotate (E)">Rotate</button>
  <button id="mode-scale" title="Scale (R)">Scale</button>
  <div class="sep"></div>
  <button id="add-box">+ Box</button>
  <button id="add-sphere">+ Sphere</button>
  <button id="add-cylinder">+ Pillar</button>
  <div class="sep"></div>
  <button id="duplicate" title="Duplicate (D)">Duplicate</button>
  <button id="delete" title="Delete (Del)">Delete</button>
  <div class="sep"></div>
  <button id="open-folder" title="Link the capsule folder so saves & .glb imports write in place">Link Folder</button>
  <button id="save" title="Save (Ctrl/Cmd+S)">Save scene.json</button>
</div>

<div id="panel">
  <h3>OBJECTS</h3>
  <div id="list"></div>
</div>

<div id="hud">click an object to select</div>
<div id="drophint">drop a .glb / .gltf to add it</div>

<script type="module">
// === IMPORTS ===
import * as THREE from 'three';
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
import { TransformControls } from 'three/addons/controls/TransformControls.js';
import { loadScene, makeProp, createProp, loadModel, writeTransform } from './scene.js';

// === RENDERER & SCENE ===
const renderer = new THREE.WebGLRenderer({ antialias: true });
renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.shadowMap.enabled = true;
document.body.appendChild(renderer.domElement);

const scene = new THREE.Scene();
scene.background = new THREE.Color(0x15151b);

// === CAMERA ===
const camera = new THREE.PerspectiveCamera(60, window.innerWidth / window.innerHeight, 0.1, 200);
camera.position.set(8, 7, 11);

const orbit = new OrbitControls(camera, renderer.domElement);
orbit.target.set(0, 1, 0);
orbit.enableDamping = true;

// === LIGHTS ===
scene.add(new THREE.HemisphereLight(0xffffff, 0x444466, 0.6));
const sun = new THREE.DirectionalLight(0xffffff, 1.2);
sun.position.set(10, 15, 5);
sun.castShadow = true;
sun.shadow.mapSize.set(1024, 1024);
sun.shadow.camera.left = -20; sun.shadow.camera.right = 20;
sun.shadow.camera.top = 20;   sun.shadow.camera.bottom = -20;
scene.add(sun);

// === WORLD ===
const ground = new THREE.Mesh(
  new THREE.PlaneGeometry(50, 50),
  new THREE.MeshStandardMaterial({ color: 0x2a3a2a })
);
ground.rotation.x = -Math.PI / 2;
ground.receiveShadow = true;
scene.add(ground);
scene.add(new THREE.GridHelper(50, 50, 0x444455, 0x2c2c38));

// === EDITOR STATE ===
let sceneData = { player: { position: [0, 0.8, 0], color: '#ff5577' }, props: [] };
const editable = [];          // selectable meshes (props + player)
let selected = null;
let dirty = false;

const hud = document.getElementById('hud');
const list = document.getElementById('list');
const saveBtn = document.getElementById('save');

// Gizmo
const gizmo = new TransformControls(camera, renderer.domElement);
gizmo.addEventListener('dragging-changed', (e) => { orbit.enabled = !e.value; });
gizmo.addEventListener('objectChange', () => { syncSelected(); markDirty(); });
scene.add(gizmo.getHelper ? gizmo.getHelper() : gizmo);

// === LOAD ===
loadScene().then(async (data) => {
  sceneData = data;
  if (!sceneData.props) sceneData.props = [];

  // Player as a movable, selectable object.
  const playerData = sceneData.player || (sceneData.player = { position: [0, 0.8, 0], color: '#ff5577' });
  const player = makeProp({ id: '(player)', kind: 'capsule', size: [0.4, 0.8, 0],
    color: playerData.color, position: playerData.position, rotation: [0, 0, 0], scale: [1, 1, 1] });
  player.userData.prop = playerData;     // writes go straight back to data.player
  player.userData.isPlayer = true;
  scene.add(player);
  editable.push(player);

  for (const prop of sceneData.props) {
    const mesh = await createProp(prop);
    scene.add(mesh);
    editable.push(mesh);
  }
  refreshList();
}).catch((err) => { hud.textContent = 'scene.json not loaded: ' + err.message; });

// === SELECTION ===
const ray = new THREE.Raycaster();
const ptr = new THREE.Vector2();
let downPos = null;

renderer.domElement.addEventListener('pointerdown', (e) => { downPos = [e.clientX, e.clientY]; });
renderer.domElement.addEventListener('pointerup', (e) => {
  if (!downPos) return;
  const moved = Math.hypot(e.clientX - downPos[0], e.clientY - downPos[1]);
  downPos = null;
  if (moved > 4) return;                 // it was a drag, not a click
  if (gizmo.dragging) return;
  ptr.x = (e.clientX / window.innerWidth) * 2 - 1;
  ptr.y = -(e.clientY / window.innerHeight) * 2 + 1;
  ray.setFromCamera(ptr, camera);
  const hit = ray.intersectObjects(editable, true)[0];
  // A GLB hit lands on a child mesh; walk up to the editable root we track.
  let obj = hit ? hit.object : null;
  while (obj && editable.indexOf(obj) === -1) obj = obj.parent;
  select(obj || null);
});

function select(mesh) {
  selected = mesh;
  if (mesh) gizmo.attach(mesh); else gizmo.detach();
  refreshList();
  syncSelected();
}

function syncSelected() {
  if (!selected) { hud.textContent = 'click an object to select'; return; }
  const p = selected.userData.prop;
  writeTransform(selected, p);
  const id = selected.userData.isPlayer ? '(player)' : p.id;
  hud.textContent =
    `${id}\n` +
    `pos  ${fmt(p.position)}\n` +
    `rot° ${fmt(p.rotation)}\n` +
    `scl  ${fmt(p.scale)}`;
}

const fmt = (a) => a ? a.map((n) => String(n).padStart(6)).join(' ') : '';

// === OBJECT LIST ===
function refreshList() {
  list.innerHTML = '';
  for (const mesh of editable) {
    const div = document.createElement('div');
    div.className = 'item' + (mesh === selected ? ' selected' : '');
    div.textContent = mesh.userData.isPlayer ? '◆ (player)' : '▪ ' + mesh.userData.prop.id;
    div.onclick = () => select(mesh);
    list.appendChild(div);
  }
}

// === TOOLBAR: MODES ===
const modeBtns = {
  translate: document.getElementById('mode-translate'),
  rotate: document.getElementById('mode-rotate'),
  scale: document.getElementById('mode-scale'),
};
function setMode(m) {
  gizmo.setMode(m);
  for (const k in modeBtns) modeBtns[k].classList.toggle('active', k === m);
}
modeBtns.translate.onclick = () => setMode('translate');
modeBtns.rotate.onclick = () => setMode('rotate');
modeBtns.scale.onclick = () => setMode('scale');

// === TOOLBAR: ADD / DUPLICATE / DELETE ===
let addCounter = 0;
function addProp(kind, size) {
  const id = `${kind}-${++addCounter}`;
  const inFront = new THREE.Vector3();
  camera.getWorldDirection(inFront);
  const pos = orbit.target.clone().add(inFront.multiplyScalar(3)).setY(size[1] ? size[1] / 2 : 0.7);
  const prop = { id, kind, size, color: '#c9c7d6',
    position: [r(pos.x), r(pos.y), r(pos.z)], rotation: [0, 0, 0], scale: [1, 1, 1] };
  sceneData.props.push(prop);
  const mesh = makeProp(prop);
  scene.add(mesh);
  editable.push(mesh);
  select(mesh);
  markDirty();
}
const r = (n) => Math.round(n * 1000) / 1000;
document.getElementById('add-box').onclick = () => addProp('box', [1, 1, 1]);
document.getElementById('add-sphere').onclick = () => addProp('sphere', [0.6, 0, 0]);
document.getElementById('add-cylinder').onclick = () => addProp('cylinder', [0.4, 0.4, 2.5]);

function duplicateSelected() {
  if (!selected || selected.userData.isPlayer) return;
  const src = selected.userData.prop;
  const prop = JSON.parse(JSON.stringify(src));
  prop.id = src.id + '-copy';
  prop.position = [prop.position[0] + 1, prop.position[1], prop.position[2]];
  sceneData.props.push(prop);
  const mesh = makeProp(prop);
  scene.add(mesh);
  editable.push(mesh);
  select(mesh);
  markDirty();
}
document.getElementById('duplicate').onclick = duplicateSelected;

function deleteSelected() {
  if (!selected || selected.userData.isPlayer) return;
  const prop = selected.userData.prop;
  sceneData.props = sceneData.props.filter((p) => p !== prop);
  editable.splice(editable.indexOf(selected), 1);
  scene.remove(selected);
  selected.traverse((o) => {
    if (!o.isMesh) return;
    o.geometry.dispose();
    (Array.isArray(o.material) ? o.material : [o.material]).forEach((m) => m.dispose());
  });
  gizmo.detach();
  selected = null;
  refreshList();
  syncSelected();
  markDirty();
}
document.getElementById('delete').onclick = deleteSelected;

// === FILE SYSTEM (File System Access API, with download fallback) ===
// Linking the capsule folder lets saves and .glb imports write in place. Without it,
// scene.json still saves (single-file picker / download) but GLB bytes can't be written.
let dirHandle = null;
let fileHandle = null;            // fallback single-file handle for scene.json
const pendingAssets = [];         // { relPath, blob } waiting for a linked folder
function markDirty() { dirty = true; saveBtn.classList.add('dirty'); }

document.getElementById('open-folder').onclick = async () => {
  if (!window.showDirectoryPicker) { flash('folder access needs a Chromium browser or Electron'); return; }
  try {
    dirHandle = await window.showDirectoryPicker({ id: 'capsule', mode: 'readwrite' });
    await flushAssets();
    flash(`folder linked ✓  (${pendingAssets.length ? 'assets pending' : 'ready'})`);
  } catch (err) { if (err.name !== 'AbortError') flash('link failed: ' + err.message); }
};

// Write a file at a relative path inside the linked folder, creating subdirs as needed.
async function writeFile(root, relPath, blob) {
  const parts = relPath.split('/');
  let dir = root;
  for (let i = 0; i < parts.length - 1; i++) dir = await dir.getDirectoryHandle(parts[i], { create: true });
  const fh = await dir.getFileHandle(parts[parts.length - 1], { create: true });
  const w = await fh.createWritable();
  await w.write(blob);
  await w.close();
}

async function flushAssets() {
  if (!dirHandle) return;
  for (const a of pendingAssets.splice(0)) await writeFile(dirHandle, a.relPath, a.blob);
}

async function save() {
  syncSelected();
  const json = JSON.stringify(sceneData, null, 2) + '\n';
  try {
    if (dirHandle) {
      await flushAssets();
      await writeFile(dirHandle, 'scene.json', new Blob([json], { type: 'application/json' }));
    } else if (window.showSaveFilePicker) {
      if (pendingAssets.length) flash('note: Link Folder to write the dropped .glb files');
      if (!fileHandle) {
        fileHandle = await window.showSaveFilePicker({
          suggestedName: 'scene.json',
          types: [{ description: 'Capsule scene', accept: { 'application/json': ['.json'] } }],
        });
      }
      const w = await fileHandle.createWritable();
      await w.write(json);
      await w.close();
    } else {
      const a = document.createElement('a');
      a.href = URL.createObjectURL(new Blob([json], { type: 'application/json' }));
      a.download = 'scene.json';
      a.click();
      URL.revokeObjectURL(a.href);
    }
    dirty = false;
    saveBtn.classList.remove('dirty');
    flash('saved ✓');
  } catch (err) {
    if (err.name !== 'AbortError') flash('save failed: ' + err.message);
  }
}
saveBtn.onclick = save;

function flash(msg) {
  const prev = hud.textContent;
  hud.textContent = msg;
  setTimeout(() => { if (hud.textContent === msg) syncSelected(); }, 1200);
}

// === KEYBOARD ===
addEventListener('keydown', (e) => {
  if (e.key === 'w' || e.key === 'W') setMode('translate');
  else if (e.key === 'e' || e.key === 'E') setMode('rotate');
  else if (e.key === 'r' || e.key === 'R') setMode('scale');
  else if (e.key === 'd' || e.key === 'D') duplicateSelected();
  else if (e.key === 'Delete' || e.key === 'Backspace') deleteSelected();
  else if (e.key === 'Escape') select(null);
  else if ((e.metaKey || e.ctrlKey) && (e.key === 's' || e.key === 'S')) { e.preventDefault(); save(); }
});

// === GLB DROP (asset import) ===
const drophint = document.getElementById('drophint');
addEventListener('dragover', (e) => { e.preventDefault(); drophint.style.display = 'flex'; });
addEventListener('dragleave', (e) => { if (e.target === document.documentElement) drophint.style.display = 'none'; });
addEventListener('drop', async (e) => {
  e.preventDefault();
  drophint.style.display = 'none';
  const file = [...(e.dataTransfer?.files || [])].find((f) => /\.(glb|gltf)$/i.test(f.name));
  if (!file) { flash('drop a .glb or .gltf file'); return; }

  const url = URL.createObjectURL(file);
  const base = file.name.replace(/\.(glb|gltf)$/i, '');
  const relPath = 'assets/models/' + file.name;
  const prop = { id: `${base}-${++addCounter}`, kind: 'model', src: './' + relPath,
    position: [0, 0, 0], rotation: [0, 0, 0], scale: [1, 1, 1] };

  let obj;
  try { obj = await loadModel(prop, url); }
  catch (err) { flash('could not load ' + file.name + ': ' + err.message); URL.revokeObjectURL(url); return; }
  URL.revokeObjectURL(url);

  normalizeAndGround(obj, prop);           // sane scale + sit on the floor in front of camera
  writeTransform(obj, prop);
  sceneData.props.push(prop);
  scene.add(obj);
  editable.push(obj);
  select(obj);
  markDirty();

  // Queue the bytes; write now if a folder is linked, else on next save after linking.
  pendingAssets.push({ relPath, blob: new Blob([await file.arrayBuffer()]) });
  if (dirHandle) { await flushAssets(); flash(`added ${file.name} → assets/models/`); }
  else flash(`added ${file.name} — click Link Folder, then Save to write the .glb`);
});

// Scale a freshly loaded model toward ~2.5 units and rest its base on the ground,
// positioned a few meters in front of the camera target.
function normalizeAndGround(obj, prop) {
  let box = new THREE.Box3().setFromObject(obj);
  const size = box.getSize(new THREE.Vector3());
  const maxDim = Math.max(size.x, size.y, size.z) || 1;
  let s = 1;
  if (maxDim > 3) s = 2.5 / maxDim;
  else if (maxDim < 0.4) s = 1 / maxDim;
  obj.scale.setScalar(r(s));

  const front = new THREE.Vector3();
  camera.getWorldDirection(front); front.y = 0; front.normalize();
  const target = orbit.target.clone().add(front.multiplyScalar(3));
  obj.position.set(r(target.x), 0, r(target.z));
  obj.updateMatrixWorld(true);
  box = new THREE.Box3().setFromObject(obj);
  obj.position.y = r(-box.min.y);          // lift so the lowest point sits at y=0
}

// === RENDER LOOP ===
renderer.setAnimationLoop(() => {
  orbit.update();
  renderer.render(scene, camera);
});

// === RESIZE HANDLER ===
addEventListener('resize', () => {
  camera.aspect = window.innerWidth / window.innerHeight;
  camera.updateProjectionMatrix();
  renderer.setSize(window.innerWidth, window.innerHeight);
});
</script>
</body>
</html>