红选模式

src/core/controls/SelectInspect.ts

@@ -19,7 +19,12 @@ export default class SelectInspect implements IControls {
   /**
    * 线框材质，用于显示选中对象的包围盒
    */
-  material: LineMaterial = new LineMaterial({ color: 0xffff00, linewidth: 2 })
+  yellowMaterial: LineMaterial = new LineMaterial({ color: 0xffff00, linewidth: 2 })
+
+  /**
+   * 线框材质，用于显示选中对象的包围盒
+   */
+  redMaterial: LineMaterial = new LineMaterial({ color: 0xff0000, linewidth: 2 })
 
   /**
    * 矩形材质，用于显示鼠标拖拽选择的矩形区域
@@ -76,6 +81,11 @@ export default class SelectInspect implements IControls {
       this.updateSelectionBox(this.viewport.state.selectedObject)
     })
 
+    EventBus.on('multiSelectedObjectsChanged', (data) => {
+      // 如果多选对象发生变化，清除当前选中对象的包围盒线框
+      this.updateMultiSelectionBoxes(data.multiSelectedObjects)
+    })
+
     EventBus.on('selectedObjectPropertyChanged', (data) => {
       this.updateSelectionBox(this.viewport.state.selectedObject)
     })
@@ -90,6 +100,69 @@ export default class SelectInspect implements IControls {
     })
   }
 
+  redSelectionGroup = new THREE.Group()
+
+  private updateMultiSelectionBoxes(multiSelectedObjects: THREE.Object3D[]) {
+    // 为所有多选对象创建包围盒线框
+    this.clearRedSelectionBoxes()
+
+    if (!multiSelectedObjects || multiSelectedObjects.length === 0) {
+      return
+    }
+
+    for (const object of multiSelectedObjects) {
+      if (object.userData.entityId) {
+        this.createRedSelectionBox(object)
+      }
+    }
+  }
+
+  clearRedSelectionBoxes() {
+    // 清除之前的红色包围盒线框
+    if (this.redSelectionGroup.children.length > 0) {
+      for (const child of this.redSelectionGroup.children) {
+        this.redSelectionGroup.remove(child)
+      }
+    }
+    this.viewport.scene.remove(this.redSelectionGroup)
+    this.redSelectionGroup = new THREE.Group()
+    this.viewport.scene.add(this.redSelectionGroup)
+  }
+
+  createRedSelectionBox(object: THREE.Object3D) {
+    // 如果对象没有 entityId，则不创建包围盒线框
+    if (!object.userData.entityId) {
+      return
+    }
+
+    // 如果选中的对象小于 0.5，要扩展包围盒
+    const RED_EXPAND_AMOUNT = 0.01 // 扩展包围盒的大小
+    // 避免某些蒙皮网格的帧延迟效应(e.g. Michelle.glb)
+    object.updateWorldMatrix(false, true)
+
+    const box = new THREE.Box3().setFromObject(object)
+    box.expandByScalar(RED_EXPAND_AMOUNT)
+
+    const size = new THREE.Vector3()
+    box.getSize(size)
+
+    const center = new THREE.Vector3()
+    box.getCenter(center)
+
+    // 创建包围盒几何体
+    const helperGeometry = new THREE.BoxGeometry(size.x, size.y, size.z)
+    const edgesGeometry = new THREE.EdgesGeometry(helperGeometry)
+    const lineGeom = new LineGeometry()
+    // @ts-ignore
+    lineGeom.setPositions(edgesGeometry.attributes.position.array)
+
+    const selectionBox = new Line2(lineGeom, this.redMaterial)
+    selectionBox.computeLineDistances()
+    selectionBox.position.copy(center)
+
+    this.redSelectionGroup.add(selectionBox)
+  }
+
   /**
    * 更新选中对象的包围盒线框
    */
@@ -101,12 +174,13 @@ export default class SelectInspect implements IControls {
     }
     this.selectionId = selectedObject.userData?.entityId
 
-    const expandAmount = 0.2 // 扩展包围盒的大小
+    // 如果选中的对象小于 0.5，要扩展包围盒
+    const YELLOW_EXPAND_AMOUNT = 0.03 // 扩展包围盒的大小
     // 避免某些蒙皮网格的帧延迟效应(e.g. Michelle.glb)
     selectedObject.updateWorldMatrix(false, true)
 
     const box = new THREE.Box3().setFromObject(selectedObject)
-    box.expandByScalar(expandAmount)
+    box.expandByScalar(YELLOW_EXPAND_AMOUNT)
 
     const size = new THREE.Vector3()
     box.getSize(size)
@@ -117,16 +191,13 @@ export default class SelectInspect implements IControls {
     // 创建包围盒几何体
     const helperGeometry = new THREE.BoxGeometry(size.x, size.y, size.z)
     const edgesGeometry = new THREE.EdgesGeometry(helperGeometry)
-
-    // 使用 LineGeometry 包装 edgesGeometry
     const lineGeom = new LineGeometry()
-    //@ts-ignore
+    // @ts-ignore
     lineGeom.setPositions(edgesGeometry.attributes.position.array)
 
-    const selectionBox = new Line2(lineGeom, this.material)
+    const selectionBox = new Line2(lineGeom, this.yellowMaterial)
     selectionBox.computeLineDistances()
     selectionBox.position.copy(center)
-    selectionBox.name = 'selectionBox'
     this.selectionBox = selectionBox
 
     console.log('selectedItem', this.viewport.state.selectedItem)
@@ -162,7 +233,7 @@ export default class SelectInspect implements IControls {
     if (this.recStartPos) {
       // 创建矩形
       this.rectangle = new THREE.Mesh(
-        new THREE.PlaneGeometry(1, 1),
+        new THREE.PlaneGeometry(0.001, 0.001),
         this.rectMaterial
       )
       this.rectangle.name = 'selectRectangle'
@@ -176,6 +247,7 @@ export default class SelectInspect implements IControls {
     }
   }
 
+
   updateRectangle(position: THREE.Vector3) {
     if (!this.rectangle || !this.recStartPos) return
     // console.log('updateRectangle', this.recStartPos, position)
@@ -201,6 +273,8 @@ export default class SelectInspect implements IControls {
       // 记录鼠标按下位置
       this.recStartPos = this.viewport.getClosestIntersection(event)
       this.createRectangle()
+      this.viewport.controls.enabled = false // 禁用控制器
+
     } else {
       // 为 click 事件添加处理逻辑
       this.clickTime = Date.now()
@@ -220,11 +294,14 @@ export default class SelectInspect implements IControls {
 
   disposeRect() {
     if (this.rectangle !== null) {
+      // 查找在这个矩形内的所有有效业务对象，并将他们添加进 viewport.state.multiSelectedObjects
+      this.multipleSelectedObjects()
       this.viewport.scene.remove(this.rectangle)
       this.rectangle.geometry.dispose()
       this.rectangle = null
     }
     this.recStartPos = null
+    this.viewport.controls.enabled = true // 启用控制器
   }
 
   onMouseUp(event: MouseEvent) {
@@ -253,7 +330,71 @@ export default class SelectInspect implements IControls {
             selectedObjectMeta: this.viewport.state.selectedObjectMeta
           })
         }
+      } else {
+        // 如果没有选中任何对象，清除选中状态
+        this.viewport.state.selectedObject = null
+        this.viewport.state.selectedItem = null
+        this.viewport.state.selectedEntityId = null
+        this.viewport.state.selectedObjectMeta = null
+        EventBus.dispatch('selectedObjectChanged', {
+          viewport: markRaw(this.viewport),
+          selectedObject: null,
+          selectedItem: null,
+          selectedEntityId: null,
+          selectedObjectMeta: null
+        })
+      }
+    }
+  }
+
+  private multipleSelectedObjects() {
+    if (!this.rectangle || !this.recStartPos) return
+
+    // 获取矩形的包围盒
+    const box = new THREE.Box3().setFromObject(this.rectangle)
+
+    // 获取盒子的 startX, startZ, endX, endZ
+    const startX = box.min.x
+    const startZ = box.min.z
+    const endX = box.max.x
+    const endZ = box.max.z
+
+    // 查找所有在矩形内的对象
+    const objects = this.viewport.entityManager.getObjectsInBox(startX, startZ, endX, endZ)
+
+    // 清空之前的多选对象
+    this.viewport.state.multiSelectedObjects = []
+
+    // 遍历找到的对象，添加到多选对象中
+    const multiSelectedObjects = []
+    const multiSelectedItems = []
+    const multiSelectedEntityIds = []
+    const multiSelectedObjectMetas = []
+    for (const object of objects) {
+      if (object.userData.entityId && object.userData.t) {
+        const item = this.viewport.entityManager.findItemById(object.userData.entityId)
+        if (item && item.dt.protected !== true) {
+          multiSelectedObjects.push(object)
+          multiSelectedItems.push(item)
+          multiSelectedEntityIds.push(object.userData.entityId)
+          multiSelectedObjectMetas.push(getMeta(object.userData.t))
+        }
       }
     }
+
+    // 触发多选对象更新事件
+    this.viewport.state.multiSelectedObjects = markRaw(objects)
+    this.viewport.state.multiSelectedItems = markRaw(multiSelectedItems)
+    this.viewport.state.multiSelectedEntityIds = multiSelectedEntityIds
+    this.viewport.state.multiSelectedObjectMetas = multiSelectedObjectMetas
+    EventBus.dispatch('multiSelectedObjectsChanged', {
+      viewport: markRaw(this.viewport),
+      multiSelectedObjects: this.viewport.state.multiSelectedObjects,
+      multiSelectedItems: this.viewport.state.multiSelectedItems,
+      multiSelectedEntityIds: this.viewport.state.multiSelectedEntityIds,
+      multiSelectedObjectMetas: this.viewport.state.multiSelectedObjectMetas
+    })
   }
+
+
 }

src/core/engine/Viewport.ts

@@ -66,7 +66,17 @@ export default class Viewport {
     isReady: false,
     isUpdating: false,
     cursorMode: 'normal',
-    selectedObject: null,
+
+    selectedObject: undefined,
+    selectedItem: undefined,
+    selectedEntityId: undefined,
+    selectedObjectMeta: undefined,
+
+    multiSelectedObjects: [],
+    multiSelectedItems: [],
+    multiSelectedEntityIds: [],
+    multiSelectedObjectMetas: [],
+
     view3DMode: Constract.Mode2D,
     camera: {
       position: { x: 0, y: 0, z: 0 },
@@ -550,20 +560,22 @@ export interface ViewportState {
   cursorMode: string // CursorMode,
 
   /**
-   * 选中的对象
+   * 黄选的对象
    */
   selectedObject: THREE.Object3D | undefined
-
   selectedItem: ItemJson | undefined
-
   selectedEntityId: string | undefined
-
-  view3DMode: string // Constract.Mode2D | Constract.Mode3D
+  selectedObjectMeta: IMeta | undefined
 
   /**
-   * 选中的对象的元数据
+   * 红选的对象集
    */
-  selectedObjectMeta: IMeta | undefined
+  multiSelectedObjects: THREE.Object3D[]
+  multiSelectedItems: ItemJson[]
+  multiSelectedEntityIds: string[]
+  multiSelectedObjectMetas: IMeta[]
+
+  view3DMode: string // Constract.Mode2D | Constract.Mode3D
 
   /**
    * 是否正在更新中

src/core/manager/EntityManager.ts

@@ -548,6 +548,27 @@ export default class EntityManager {
       r => getClosestObject(r.object)
     ).filter(obj => obj?.userData && obj.userData.selectable !== false)
   }
+
+  /**
+   * 获取指定范围内的所有对象
+   */
+  getObjectsInBox(startX: number, startZ: number, endX: number, endZ: number) {
+    const box = new THREE.Box2(
+      new THREE.Vector2(startX, startZ),
+      new THREE.Vector2(endX, endZ)
+    )
+    const objectsInBox: THREE.Object3D[] = []
+
+    for (const [id, objects] of this.objects.entries()) {
+      for (const obj of objects) {
+        if (box.containsPoint(new Vector2(obj.position.x, obj.position.z))) {
+          objectsInBox.push(obj)
+        }
+      }
+    }
+
+    return objectsInBox
+  }
 }
 
 interface LineDiffItem {

src/editor/widgets/property/PropertyView.vue

@@ -93,12 +93,14 @@ export default {
     selectedObjectChanged(state) {
       const data = state.selectedItem;
       console.log("selectedObjectChanged data", data)
-      this.viewport.stateManager.beginStateUpdate()
-      const item = _.find(this.viewport.stateManager.vdata.items, item=>item.id === data.id)
-      // item.tf[0][0] = item.tf[0][0] / 2;
-      console.log("selectedObjectChanged item", item)
-      // _.extend(item, data)
-      this.viewport.stateManager.endStateUpdate()
+      if(data) {
+        this.viewport.stateManager.beginStateUpdate()
+        const item = _.find(this.viewport.stateManager.vdata.items, item => item.id === data.id)
+        // item.tf[0][0] = item.tf[0][0] / 2;
+        console.log("selectedObjectChanged item", item)
+        // _.extend(item, data)
+        this.viewport.stateManager.endStateUpdate()
+      }
     },
   },
   mounted() {

src/modules/way/WayRenderer.ts

@@ -87,7 +87,7 @@ export default class WayRenderer extends BaseRenderer {
     const width = 1
 
     const curve = new THREE.LineCurve3(startPosition, endPosition)
-    const tubeGeometry = new THREE.TubeGeometry(curve, 1, width / 2, 8, false)
+    const tubeGeometry = new THREE.TubeGeometry(curve, 1, width / 2, 2, false)
     const lineMesh = new THREE.Mesh(tubeGeometry, this.lineMaterial)
     group.add(lineMesh)
 

src/runtime/EventBus.ts

@@ -6,7 +6,8 @@ export type DispatchNames = 'selectedObjectChanged' |
   'catalogChanged' |
   'dataLoadComplete' |
   'entityDeleted' |
-  'selectedObjectPropertyChanged'
+  'selectedObjectPropertyChanged' |
+  'multiSelectedObjectsChanged'
 
 export default {
   dispatch(name: DispatchNames, data?: any) {