threejs-viewer-23

// 修改 Viewer.js
buildContextMenu() {

    // ... other code snippets

    const callBack = (key) => {
      let objects, dbId;

      switch (key) {
        case 'hide-selected':
          if (this.selection.length <= 0) return;

          dbId = this.selection[0];
          this.clearSelection();

          objects = this.models.map(m => m.getObjectById(dbId));
          if (!objects || objects.length <= 0) return;

          objects.forEach(obj => obj.visible = false);

          break;
        case 'isolate-selected':
          if (this.selection.length <= 0) return;

          dbId = this.selection[0];
          this.clearSelection();

          this.models.forEach(m => {
            m.traverse(child => {
              if (child.type !== 'Mesh') return;

              if (child.id === dbId) {
                child.visible = true;
                return;
              }

              child.visible = false;
            });
          });
          break;
        case 'show-all':
          this.models.forEach(m => {
            m.traverse(child => {
              if (child.type !== 'Mesh' || child.visible) return;

              child.visible = true;
            });
          });
          break;
      }
    };


    // ... other code snippets


}