Function cleanupPreviewScene

preview.js:724–764

()

    if (loading.querySelector('p')) {
      loading.querySelector('p').textContent = `Loading bundle preview (0/${toLoad.length})...`;
    }
    fileType.textContent = '';
    dimensions.textContent = '';
    updatePreviewSlicerButton();

    dialog.showModal();
    await new Promise((resolve) => setTimeout(resolve, 100));
    initPreviewScene();

    const root = new THREE.Group();
    const placed = [];
    let loadFailures = 0;

    for (let i = 0; i < toLoad.length; i++) {
      const child = toLoad[i];
      const loadingText = loading.querySelector('p');
      if (loadingText) {
        loadingText.textContent =
          `Loading bundle preview (${i + 1}/${toLoad.length})...\n${child.fileName || ''}`;
      }

      try {
        const obj = await createPreviewObjectFromPath(child.filePath, loadToken);
        applyPartTint(obj, i, toLoad.length);

        const box = new THREE.Box3().setFromObject(obj);
        const center = box.getCenter(new THREE.Vector3());
        const size = box.getSize(new THREE.Vector3());
        obj.position.sub(center);
        placed.push({ obj, size });
      } catch (error) {
        const message = error && error.message ? error.message : '';
        if (message === 'Preview cancelled' || message.includes('Preview cancelled')) {
          return;
        }
        console.warn('Bundle preview skipped:', child.filePath, error);
        loadFailures++;
      }
    }

    if (loadToken !== previewLoadToken) return;

    if (!placed.length) {
      loading.innerHTML = `