阶段8落盘

src/views/ParticlePanel.vue

@@ -13,6 +13,7 @@
           <button class="scene-add" title="添加碰撞体" @click.stop="addCollider">＋碰撞</button>
           <button class="scene-add" title="添加路径" @click.stop="addPath">＋路径</button>
           <button class="scene-add" title="添加 Spine" @click.stop="addSpine">＋Spine</button>
+          <button class="scene-add" :disabled="!canCopyObject" title="复制当前选中的场景对象" @click.stop="copySelectedObject">+Copy</button>
         </div>
       </div>
       <div class="group-body" v-show="!collapsed.scene">
@@ -797,6 +798,12 @@ const activePath = computed(() => store.activeObjectType === 'path'
 const activeSpine = computed(() => store.activeObjectType === 'spine'
   ? store.spines.find((item) => item.id === store.activeObjectId) || null
   : null)
+const canCopyObject = computed(() => {
+  if (store.activeObjectType === 'particle') return store.systems.some((item) => item.id === store.activeObjectId)
+  if (store.activeObjectType === 'collision') return store.colliders.some((item) => item.id === store.activeObjectId)
+  if (store.activeObjectType === 'path') return store.paths.some((item) => item.id === store.activeObjectId)
+  return store.spines.some((item) => item.id === store.activeObjectId)
+})
 const selectedSpineBone = computed(() => {
   const spine = store.spines.find((item) => item.selectedBone && item.bones.some((bone) => bone.name === item.selectedBone))
   return spine ? { spine, boneName: spine.selectedBone } : null
@@ -972,6 +979,7 @@ function addSys() { store.addSystem() }
 function addCollider() { store.addCollider() }
 function addPath() { store.addPath() }
 function addSpine() { store.addSpine() }
+function copySelectedObject() { store.duplicateSelectedObject() }
 function addColliderTag() {
   const collider = activeCollider.value
   if (!collider) return
@@ -1445,6 +1453,7 @@ function toggleResourceLock(resourceId: number) {
   background: #2e3a55; color: #cdf; font-size: 10px; white-space: nowrap; cursor: pointer;
 }
 .scene-add:hover { border-color: #7774ff; background: #45426f; color: #fff; }
+.scene-add:disabled { opacity: 0.42; cursor: not-allowed; border-color: #343a4b; background: #252a38; color: #778095; }
 .group-body { padding: 8px 10px 12px; }
 .caret { display: inline-block; width: 12px; color: #667; font-size: 11px; }
 .divider { height: 1px; background: #2a2a3c; margin: 8px 0; }