Add trackUndo param in PickingPlugin.setSelectedObject, add Delete Object to object ui, version bump

package-lock.json

 {
   "name": "threepipe",
-  "version": "0.0.48",
+  "version": "0.0.49",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "threepipe",
-      "version": "0.0.48",
+      "version": "0.0.49",
       "license": "Apache-2.0",
       "dependencies": {
         "@types/three": "https://github.com/repalash/three-ts-types/releases/download/v0.158.1004/package.tgz",

package.json

 {
   "name": "threepipe",
-  "version": "0.0.48",
+  "version": "0.0.49",
   "description": "A modern 3D viewer framework built on top of three.js, written in TypeScript, designed to make creating high-quality, modular, and extensible 3D experiences on the web simple and enjoyable.",
   "main": "dist/index.js",
   "module": "dist/index.mjs",

src/core/object/IObjectUi.ts

                     return this.pivotToBoundsCenter?.(true) // return value is the undo function
                 },
             },
+            {
+                type: 'button',
+                label: 'Delete Object',
+                tags: ['context-menu'],
+                value: async()=>{
+                    const res = await ThreeViewer.Dialog.confirm('Delete Object: Are you sure you want to delete this object?')
+                    if (!res) return
+                    const parent = this.parent
+                    this.dispose(true)
+                    return ()=>{ // undo
+                        if (parent) parent.add(this)
+                    }
+                },
+            },
             {
                 type: 'folder',
                 label: 'Rotate model',

src/plugins/interaction/PickingPlugin.ts

         return this._picker?.selectedObject as T || undefined
     }
 
-    setSelectedObject(object: IObject3D|undefined, focusCamera = false) { // todo: listen to object disposed
+    setSelectedObject(object: IObject3D|undefined, focusCamera = false, trackUndo = true) { // todo: listen to object disposed
         const disabled = this.isDisabled()
         if (disabled && !object) return
         if (!this._picker) return
         const t = this.autoFocus
         this.autoFocus = false
-        this._picker.selectedObject = object || null
+        this._picker.setSelected(object || null, trackUndo)
         this.autoFocus = t
         if (!disabled && object && (t || focusCamera)) this.focusObject(object)
     }
         s?.traverseAncestors((o) => {
             if (o === this._viewer?.scene) inScene = true
         })
-        if (!inScene) this.setSelectedObject(undefined)
+        if (!inScene) this.setSelectedObject(undefined, false, false)
     }
 
     protected _viewerListeners = {
     private _onObjectSelectEvent: EventListener2<'select', ISceneEventMap, IScene> = (e)=>{
         if (e.source === PickingPlugin.PluginType) return
         if (e.object === undefined && e.value === undefined) console.error('e.object or e.value must be set for picking, can be null to unselect')
-        else this.setSelectedObject(e.object || e.value, this.autoFocus || e.focusCamera)
+        else this.setSelectedObject(e.object || e.value, this.autoFocus || e.focusCamera, true)
     }
 
     private _selectedObjectChanged: EventListener2<'selectedObjectChanged', ObjectPickerEventMap, ObjectPicker> = (e: any) => {

src/three/utils/ObjectPicker.ts

     }
 
     set selectedObject(object) {
-        this._setSelected(object)
+        this.setSelected(object)
     }
 
-    private _setSelected(object: IObject3D|null, record = true) {
+    setSelected(object: IObject3D|null, record = true) {
         if (!this._selected.length && !object || this._selected.length === 1 && this._selected[0] === object) return
         const current = [...this._selected]
         this._selected = object ? Array.isArray(object) ? [...object] : [object] : []
         this.dispatchEvent({type: 'selectedObjectChanged', object: this.selectedObject})
         record && this.undoManager?.record({
-            undo: () => this._setSelected(current.length ? current[0] : null, false),
-            redo: () => this._setSelected(object, false),
+            undo: () => this.setSelected(current.length ? current[0] : null, false),
+            redo: () => this.setSelected(object, false),
         })
     }
 

src/viewer/version.ts

-export const VERSION = '0.0.48'
+export const VERSION = '0.0.49'