WorldModel.Measure

src/model/ModelUtils.ts

@@ -0,0 +1,49 @@
+import * as THREE from 'three'
+import type { ItemJson } from '@/model/itemTypeDefine/ItemTypeDefine.ts'
+import { getAllItemTypes, getItemTypeByName } from '@/runtime/DefineItemType.ts'
+
+export function loadSceneFromJson(scene: THREE.Scene, items: ItemJson[]) {
+  const object3ds = loadObject3DFromJson(items)
+
+  // 通知所有加载的对象, 模型加载完成
+  getAllItemTypes().forEach(itemType => {
+    if (typeof itemType.clazz.afterLoadComplete === 'function') {
+      itemType.clazz.afterLoadComplete(object3ds)
+    }
+  })
+
+  object3ds.forEach(object3D => {
+    scene.add(object3D)
+  })
+
+  // 通知所有加载的对象, 模型加载完成
+  getAllItemTypes().forEach(itemType => {
+    itemType.clazz.afterAddScene(scene, object3ds)
+  })
+}
+
+function loadObject3DFromJson(items: ItemJson[]): THREE.Object3D[] {
+  const result: THREE.Object3D[] = []
+
+  for (const item of items) {
+    if (!item || !item.t) {
+      console.error('unkown item:', item)
+      continue
+    }
+
+    const object3D: THREE.Object3D | undefined = getItemTypeByName(item.t)?.clazz.loadFromJson(item)
+    if (object3D === undefined) {
+      continue
+    }
+
+    if (_.isArray(item.items)) {
+      // 如果有子元素，递归处理
+      const children = loadObject3DFromJson(item.items)
+      children.forEach(child => object3D.add(child))
+    }
+
+    result.push(object3D)
+  }
+
+  return result
+}

src/model/WorldModel.ts

@@ -1,9 +1,12 @@
 import _ from 'lodash'
 import Example1 from './example1'
 import { markRaw, reactive } from 'vue'
+import * as THREE from 'three'
 import { Scene } from 'three'
 import type Viewport from '@/designer/Viewport.ts'
-import * as THREE from 'three'
+import { loadSceneFromJson } from '@/model/ModelUtils.ts'
+
+import MeasureMeta from './itemTypeDefine/measure/MeasureMeta'
 
 /**
  * 世界模型
@@ -21,6 +24,23 @@ export default class WorldModel {
 
   init() {
     window['worldModel'] = this
+
+    Promise.all([
+      MeasureMeta.clazz.init(this)
+
+    ]).then(() => {
+      console.log('世界模型初始化完成')
+    })
+  }
+
+  loadFloorToScene(scene: THREE.Scene, levelCode: string) {
+    const floor = _.find(this.data.items, r => r.name === levelCode && r.t === 'floor')
+    if (!floor) {
+      console.warn(`未找到楼层数据: ${levelCode}`)
+      return []
+    }
+
+    loadSceneFromJson(scene, floor.items)
   }
 
   open() {
@@ -63,6 +83,8 @@ export default class WorldModel {
   createScene(floor: string) {
     const scene = new Scene()
     scene.background = new THREE.Color(0xeeeeee)
+
+    this.loadFloorToScene(scene, floor)
     return scene
   }
 

src/model/example1.js

@@ -13,34 +13,49 @@ export default {
       { name: 'OnStop', fn: '' }
     ]
   },
-  item: [
+  items: [
     {
-      name: 'f1', type: 'floor', uuid: 'f1',
+      name: 'f1', t: 'floor', // 楼层
       items: [
         {
-          uuid: 'measure-group', type: 'group', items: [
+          name: 'measure-group', t: 'measure', a: 'gp',  // 类型, itemType.name == 'measure' 的组件处理. a:'gp' 代表分组, 渲染时他会是 Three.Group
+          items: [
             {
-              uuid: 'p1',
-              type: 'measure',
-              category: 'line',
-              pos: [],
-              rotation: [0, 0, 0],
-              scale: [1, 1, 1],
-              link: ['p2']
+              id: 'p1',      // 物体ID, 唯一标识, 需保证唯一, three.js 中的 uuid
+              t: 'measure',  // 物体类型, measure表示测量, 需交给 itemType.name == 'measure' 的组件处理
+              a: 'ln',       // 交互类型, ln表示线点操作, pt 表示点操作
+              l: '测量1',     // 标签名称, 显示用
+              c: '#ff0000',  // 颜色, 显示用. 十六进制颜色值, three.js 中的材质颜色
+              tf: [          // 变换矩阵, 3x3矩阵, 采用Y轴向上为正, X轴向右, Z轴向前的右手坐标系
+                [-9.0, 0, -1.0],  // 平移向量 position
+                [0, 0, 0],        // 旋转向量 rotation, 表示绕Y轴旋转的角度, 单位为度。对应 three.js 应进行"角度"转"弧度"的换算
+                [0.25, 0.1, 0.25] // 缩放向量 scale
+              ],
+              dt: {          // 用户数据, 可自定义, 一般用在 three.js 的 userData 中
+                link: ['p2'],   // 用于 a='ln' 的测量线段, 关联的点对象(uuid)
+                center: [],     // 物流关联对象(uuid)
+                in: [],         // 物流入方向关联的对象(uuid)
+                out: []         // 物流出方向关联的对象(uuid)
+              }
             },
             {
-              uuid: 'p2',
-              type: 'measure',
-              category: 'line',
-              pos: [],
-              rotation: [0, 0, 0],
-              scale: [1, 1, 1],
-              link: ['p3']
+              id: 'p2',
+              t: 'measure', a: 'ln', l: '测量2', c: '#ff0000',
+              tf: [[-9.0, 0, 3], [0, 0, 0], [0.25, 0.1, 0.25]],
+              dt: {
+                link: ['p3']
+              }
             },
-            { uuid: 'p3', type: 'measure', category: 'line', pos: [], rotation: [0, 0, 0], scale: [1, 1, 1], link: [] }
+            {
+              id: 'p3',
+              t: 'measure', a: 'ln', l: '测量3', c: '#ff0000',
+              tf: [[-5.0, 0, 3], [0, 0, 0], [0.25, 0.1, 0.25]],
+              dt: {
+                link: []
+              }
+            }
           ]
         }
-
       ]
     }
   ],

src/model/itemTypeDefine/ItemTypeBase.ts

@@ -0,0 +1,29 @@
+import { type Object3D } from 'three'
+import type WorldModel from '@/model/WorldModel.ts'
+import type { ItemJson, ItemTypeDefineOption } from '@/model/itemTypeDefine/ItemTypeDefine.ts'
+import * as THREE from 'three'
+
+export default abstract class ItemTypeBase {
+  name: string
+  option: ItemTypeDefineOption
+  worldModel: WorldModel
+
+  public init(worldModel: WorldModel) {
+    this.worldModel = worldModel
+
+    // 初始化方法，子类可以重写
+    return Promise.resolve()
+  }
+
+  abstract loadFromJson(item: ItemJson): undefined | THREE.Object3D
+
+  afterLoadComplete(objects: THREE.Object3D[]): THREE.Object3D[] {
+    return []
+  }
+
+  /**
+   * 添加到 scene 后的回调
+   */
+  afterAddScene(scene: THREE.Scene, objects: THREE.Object3D[]): void {
+  }
+}

src/model/itemTypeDefine/ItemTypeDefine.ts

@@ -0,0 +1,131 @@
+import type ItemTypeBase from '@/model/itemTypeDefine/ItemTypeBase.ts'
+
+export type ActionType =
+/**
+ * 线类型
+ */
+  'ln' |
+  /**
+   * 点类型
+   */
+  'pt' |
+  /**
+   * 物流运输单元
+   */
+  'fl' |
+  /**
+   * 分组单元，仅用于分组
+   */
+  'gp'
+
+export interface ItemTypeDefineOption {
+  name: string
+  label: string
+  actionType: ActionType
+  clazz: ItemTypeBase
+}
+
+/**
+ * 定义物体类型的元数据
+ * 举例:
+ * {
+ *   id: 'p1',      // 物体ID, 唯一标识, 需保证唯一, three.js 中的 uuid
+ *   t: 'measure',  // 物体类型, measure表示测量, 需交给 itemType.name == 'measure' 的组件处理
+ *   a: 'ln',       // 交互类型, ln表示线点操作, pt 表示点操作
+ *   l: '测量1',     // 标签名称, 显示用
+ *   c: '#ff0000',  // 颜色, 显示用. 十六进制颜色值, three.js 中的材质颜色
+ *   tf: [          // 变换矩阵, 3x3矩阵, 采用Y轴向上为正, X轴向右, Z轴向前的右手坐标系
+ *      [-9.0, 0, -1.0],  // 平移向量 position
+ *      [0, 0, 0],        // 旋转向量 rotation, 表示绕Y轴旋转的角度, 单位为度。对应 three.js 应进行"角度"转"弧度"的换算
+ *      [0.25, 0.1, 0.25] // 缩放向量 scale
+ *   ],
+ *   dt: {          // 用户数据, 可自定义, 一般用在 three.js 的 userData 中
+ *      link: ['p2'],   // 用于 a='ln' 的测量线段, 关联的点对象(uuid)
+ *      center: [],     // 物流关联对象(uuid)
+ *      in: [],         // 物流入方向关联的对象(uuid)
+ *      out: []         // 物流出方向关联的对象(uuid)
+ *   }
+ * }
+ */
+export interface ItemJson {
+  /**
+   * 物体名称, 显示用, 最后初始化到 three.js 的 name 中, 可以不设置, 可以不唯一
+   */
+  name?: string
+
+  /**
+   * 对应 three.js 中的 uuid, 物体ID, 唯一标识, 需保证唯一
+   */
+  id: string
+
+  /**
+   * 物体类型, 对应 defineItemType.name
+   */
+  t: string
+
+  /**
+   * 交互类型
+   */
+  a: ActionType
+
+  /**
+   * 标签名称, 显示用, 最后初始化到 three.js 的 userData.label 中
+   */
+  l?: string
+
+  /**
+   * 颜色, 最后初始化到 three.js 的 userData.color 中
+   */
+  c: string
+
+  /**
+   * 变换矩阵, 3x3矩阵, 采用Y轴向上为正, X轴向右, Z轴向前的右手坐标系
+   */
+  tf: [
+    /**
+     * 平移向量 position, 三维坐标
+     */
+    [number, number, number],
+    /**
+     * 旋转向量 rotation, 表示绕Y轴旋转的角度, 单位为度。对应 three.js 应进行"角度"转"弧度"的换算
+     */
+    [number, number, number],
+    /**
+     * 缩放向量 scale, 三维缩放比例
+     */
+    [number, number, number],
+  ]
+
+  /**
+   * 用户数据, 可自定义, 一般用在 three.js 的 userData 中
+   */
+  dt: {
+    /**
+     * 测量线段关联的点对象(uuid), 仅在 a='ln' 时有效
+     */
+    link?: string[]
+
+    /**
+     * 物流关联对象(uuid)
+     */
+    center?: string[]
+    /**
+     * 物流入方向关联的对象(uuid)
+     */
+    in?: string[]
+    /**
+     * 物流出方向关联的对象(uuid)
+     */
+    out?: string[]
+
+    /**
+     * 其他自定义数据, 可以存储任何数据
+     */
+    [key: string]: any
+  },
+
+  /**
+   * 子元素, 用于分组等, 可以为空数组
+   */
+  items: ItemJson[]
+}

src/model/itemTypeDefine/ItemTypeLineBase.ts

@@ -0,0 +1,128 @@
+import * as THREE from 'three'
+import ItemTypeBase from '@/model/itemTypeDefine/ItemTypeBase.ts'
+import type { ItemJson } from '@/model/itemTypeDefine/ItemTypeDefine.ts'
+import type WorldModel from '@/model/WorldModel.ts'
+
+/**
+ * ILineType 接口定义了线类型的基本方法
+ * 用于创建点和线
+ */
+export default abstract class ItemTypeLineBase extends ItemTypeBase {
+
+  /**
+   * 所有点的数组
+   */
+  pointArray: THREE.Object3D[] = []
+
+  /**
+   * 所有连接线的数组
+   */
+  linkArray: THREE.Object3D[] = []
+
+  public init(worldModel: WorldModel) {
+    return super.init(worldModel).then(() => {
+      // 初始化方法，子类可以重写
+      this.pointArray.length = 0
+      this.linkArray.length = 0
+    })
+  }
+
+  afterLoadGroup(group: THREE.Group): void {
+  }
+
+  afterLoadLine(line: THREE.Line): void {
+  }
+
+  afterLoadPoint(point: THREE.Object3D): void {
+  }
+
+
+  afterAddScene(scene: THREE.Scene, objects: THREE.Object3D[]) {
+    super.afterAddScene(scene, objects)
+
+    // 为所有的 pointArray 连接线
+    for (let i = 0; i < this.pointArray.length; i++) {
+      const startPoint = this.pointArray[i]
+
+      // 找到这个元素的 userData.link 数组
+      const linkArray: string[] = startPoint.userData.link || []
+
+      for (let j = 0; j < linkArray.length; j++) {
+        const linkId = linkArray[j]
+        // 在 pointArray 中查找对应的点
+        const endPoint = this.pointArray.find(p => p.uuid === linkId)
+        if (!endPoint) {
+          console.warn('not found link point uuid=${}', linkId)
+          continue
+        }
+
+        const line = this.createLine()
+        const geom = line.geometry
+        geom.setFromPoints([startPoint.position, endPoint.position])
+
+        this.afterLoadLine(line)
+
+        if (startPoint.parent) {
+          startPoint.parent.add(line)
+        } else {
+          scene.add(line)
+        }
+
+        this.linkArray.push(line)
+      }
+    }
+  }
+
+  override loadFromJson(item: ItemJson): undefined | THREE.Object3D {
+    if (item.a === 'gp') {
+      // gp 是为了分组而存在的
+      const group = new THREE.Group()
+      group.name = item.name
+      group.uuid = item.id || THREE.MathUtils.generateUUID()
+      group.userData = _.cloneDeep(item.dt) || {}
+      group.userData.type = item.t
+      group.userData.actionType = item.a
+      group.userData.label = item.l
+      group.userData.color = item.c
+
+      this.afterLoadGroup(group)
+      return group
+    }
+
+    // 其他情况都是 ln
+    else if (item.a === 'ln') {
+      const position = new THREE.Vector3(
+        item.tf[0][0],
+        item.tf[0][1],
+        item.tf[0][2]
+      )
+
+      const point = this.createPoint(position)
+      point.name = item.name
+      point.uuid = item.id || THREE.MathUtils.generateUUID()
+      point.userData = _.cloneDeep(item.dt) || {}
+      point.userData.type = item.t
+      point.userData.actionType = item.a
+      point.userData.label = item.l
+      point.userData.color = item.c
+
+      point.rotation.set(
+        THREE.MathUtils.degToRad(item.tf[1][0]),
+        THREE.MathUtils.degToRad(item.tf[1][1]),
+        THREE.MathUtils.degToRad(item.tf[1][2])
+      )
+
+      point.scale.set(item.tf[2][0], item.tf[2][1], item.tf[2][2])
+      this.pointArray.push(point)
+
+      this.afterLoadPoint(point)
+      return point
+    }
+
+    console.error('ItemTypeLineBase.loadFromJson: Unsupported', item)
+  }
+
+  abstract createPoint(position: THREE.Vector3): THREE.Object3D
+
+  abstract createLine(): THREE.Line
+}

src/model/itemTypeDefine/measure/Measure.ts

@@ -0,0 +1,71 @@
+import * as THREE from 'three'
+import ItemTypeLineBase from '@/model/itemTypeDefine/ItemTypeLineBase.ts'
+import type WorldModel from '@/model/WorldModel.ts'
+import { Material } from 'three/src/materials/Material'
+
+export const TYPE_NAME = 'measure'
+export const POINT_NAME = 'measure_point'
+export const LABEL_NAME = 'measure_label'
+export const LINE_NAME = 'measure_line'
+
+export default class Measure extends ItemTypeLineBase {
+  /**
+   * 当前测绘内容组, 所有测量点、线、标签都在这个组中. 但不包括临时点、线
+   */
+  group: THREE.Group
+
+  pointMaterial!: Material
+
+  lineMaterial!: Material
+
+  override init(worldModel: WorldModel): Promise<void> {
+    super.init(worldModel)
+
+    this.lineMaterial = new THREE.LineBasicMaterial({
+      color: 0xE63C17,
+      linewidth: 2,
+      opacity: 0.9,
+      transparent: true,
+      side: THREE.DoubleSide,
+      depthWrite: false,
+      depthTest: false
+    })
+
+    this.pointMaterial = new THREE.MeshBasicMaterial({ color: 0x303133, transparent: true, opacity: 0.9 })
+    return Promise.resolve()
+  }
+
+  // 创建完线之后，创建 label
+  afterLoadLine(line: THREE.Line) {
+    super.afterLoadLine(line)
+  }
+
+  /**
+   * 创建测量点
+   */
+  createPoint(position?: THREE.Vector3): THREE.Object3D {
+    const p = position
+    const scale = 0.25
+
+    const tt = new THREE.BoxGeometry(1, 1, 1)
+    const obj = new THREE.Mesh(tt, this.pointMaterial)
+    obj.scale.set(scale, 0.1, scale)
+    if (p) {
+      obj.position.set(p.x, p.y, p.z)
+    }
+    obj.name = POINT_NAME
+    return obj
+  }
+
+  /**
+   * 创建测量线
+   */
+  createLine(): THREE.Line {
+    const geom = new THREE.BufferGeometry()
+    const obj = new THREE.Line(geom, this.lineMaterial)
+    obj.frustumCulled = false
+    obj.name = LINE_NAME
+    obj.uuid = THREE.MathUtils.generateUUID()
+    return obj
+  }
+}

src/model/itemTypeDefine/measure/MeasureMeta.ts

@@ -1,7 +1,9 @@
-import { defineItemType } from '@/runtime/DefineItem.ts'
+import { defineItemType } from '@/runtime/DefineItemType.ts'
+import Measure from '@/model/itemTypeDefine/measure/Measure.ts'
 
 export default defineItemType({
   name: 'measure',
-  label: '测量工具',
-  category: 'line'
+  label: '测量距离',
+  actionType: 'ln',
+  clazz: new Measure()
 })

src/runtime/DefineItem.ts

@@ -1,28 +0,0 @@
-/**
- * 定义一个 物流单元
- */
-export class ItemTypeDefine {
-  option!: ItemOption
-
-  constructor(option: ItemOption) {
-    this.option = option
-  }
-}
-
-export type ItemCategory = 'point' | 'line' | 'store' | 'executer' | 'flow_item' | 'other'
-
-export interface ItemOption {
-  name: string
-  label: string
-  category: ItemCategory
-}
-
-/**
- * 定义一个 物流单元
- */
-export function defineItemType(option: ItemOption): Promise<ItemTypeDefine> {
-  return new Promise((resolve, reject) => {
-    const item = new ItemTypeDefine(option)
-    resolve(item)
-  })
-}

src/runtime/DefineItemType.ts

@@ -0,0 +1,28 @@
+import _ from 'lodash'
+import type { ItemTypeDefineOption } from '@/model/itemTypeDefine/ItemTypeDefine.ts'
+
+const itemTypes: Record<string, ItemTypeDefineOption> = {}
+window['itemTypes'] = itemTypes
+
+/**
+ * 定义一个 物流单元
+ */
+export function defineItemType(option: ItemTypeDefineOption) {
+  itemTypes[option.name] = option
+  option.clazz.name = option.name
+  option.clazz.option = option
+  return option
+}
+
+export function getItemTypeByName(type: string): ItemTypeDefineOption {
+  const itemType = _.get(itemTypes, type)
+  if (!itemType) {
+    console.warn(`未找到物流单元类型定义: ${type}`)
+    return
+  }
+  return itemType
+}
+
+export function getAllItemTypes(): ItemTypeDefineOption[] {
+  return Object.values(itemTypes)
+}