3D会议室demo源码_会议室门牌 源码

既然大家需要3D会议室的demo源码，那我把其中一个vue文件代码发出来，很抱歉，最近有点抽不开时间，也没上来看过，先这样粗糙的给大家了,代码很糙，有问题欢迎指正，一起进步

<template>
  <div class="second">
    <div id="floorCanvas">
      <div class="handle-btn">
        <div class="create-mesh">
          <button @click.stop="createObj('chair')">
            <i>创建椅子</i>
          </button>
          <button @click.stop="createDDD">
            <i>创建电梯</i>
          </button>
          <button @click.stop="createObj('table')" :disabled="addTable">
            <i>创建桌子</i>
          </button>
          <button @click.stop="createObj('door')" :disabled="addDoor">
            <i>创建门</i>
          </button>
          <button @click.stop="createObj('cool')">
            <i>创建空调</i>
          </button>
          <button @click.stop="createGltf('flat')">
            <i>创建会议平板</i>
          </button>
          <button @click.stop="inTheRoom">
            <i>进入内部查看</i>
          </button>
        </div>
      </div>
      <div class="rotate-btn" v-show="rotateBtnShow" ref="rotateBtn">
        <img src="../assets/run.png" alt="" />
      </div>
      <div class="editDoor" v-if="editWellObject">
        <button @click.stop="takeWellObject('east')">安置东墙</button>
        <button @click.stop="takeWellObject('south')">安置南墙</button>
        <button @click.stop="takeWellObject('west')">安置西墙</button>
        <button @click.stop="takeWellObject('north')">安置北墙</button>
      </div>
    </div>
  </div>
</template>

<script>
import * as THREE from "three";
import { OrbitControls } from "three/examples/jsm/controls/OrbitControls";
import * as Stats from "three/examples/js/libs/stats.min.js";
import * as createMetry from "@/js/addMetry";
import { DragControls } from "three/examples/jsm/controls/DragControls";
import { OBJLoader } from "three/examples/jsm/loaders/OBJLoader";
import { MTLLoader } from "three/examples/jsm/loaders/MTLLoader";
import { GLTFLoader } from "three/examples/jsm/loaders/GLTFLoader";

export default {
  data() {
    return {
      floorCanvas: null, // 画布
      animateAbled: false, // 是否实时追踪动画效应
      rotateBtnShow: false, // 旋转按钮是否显示
      addRotate: true, // 添加旋转开关
      info: {}, // 模型信息
      addTable: false, // 添加桌子开关
      addDoor: false, // 添加门开关
      editWellObject: false, // 修改门位置的四个按钮是否显示
      // 基础尺寸（以地板大小为基数）
      baseX: 600, // 基础长
      baseY: 1, // 基础高
      baseZ: 240, // 基础宽
    };
  },
  computed: {
    floorName() {
      return this.$route.query.name;
    },
  },
  mounted() {
    this.scene = null; // 场景
    this.camera = null; // 相机
    this.renderer = null; // 渲染器
    this.stats = null; // 性能检测器
    this.animateAbled = true; // 是否开启帧数动画检测
    this.selectObject = null; // 鼠标点击选中的物体
    this.dragControls = null; // 拖拽对象
    this.cube = null; // 碰撞的对象
    this.selectGroup = null; // 选中的组
    this.init();
    this.loader = new OBJLoader();
    this.mat = new MTLLoader();
    this.createFloor();
    this.animate();
  },
  beforeDestroy() {
    // 清空设置，注销事件
    this.scene = null;
    this.camera = null;
    this.renderer = null;
    this.stats = null;
    this.animateAbled = false;
    this.cube = null;
    this.dragControls = null;
    document.removeEventListener("click", this.mouseClick, false);
    document.removeEventListener("resize", this.setResize, false);
  },
  methods: {
    // 创建地板
    createFloor() {
      let that = this;
      let geometry = new THREE.BoxBufferGeometry(
        this.baseX,
        this.baseY,
        this.baseZ
      );
      // 请求图片资源
      this.textureLoader = new THREE.TextureLoader();
      this.textureLoader.load("/floor.png", function (texture) {
        texture.wrapS = THREE.RepeatWrapping;
        texture.wrapT = THREE.RepeatWrapping;
        texture.repeat.x = 10;
        texture.repeat.y = 5;
        let material = new THREE.MeshPhongMaterial({
          map: texture,
        });
        that.ground = new THREE.Mesh(geometry, material);
        that.ground.position.y = -60;
        that.scene.add(that.ground);
      });
    },
    // 创建墙
    createWell(long, width, height, x, y, z, name) {
      let well = createMetry.addCubewall(
        long,
        height,
        width,
        0,
        new THREE.MeshPhongMaterial({
          color: 0xaaaaaa,
          opacity: 0.5,
          transparent: true,
        }),
        x,
        y,
        z,
        name
      );
      this.scene.add(well);
    },
    // 初始化
    init() {
      this.floorCanvas = document.getElementById("floorCanvas");
      this.initStats();
      this.initScene();
      this.initCamera();
      this.initRenderer();
      this.createFloor();
      this.createWell(
        this.baseY,
        this.baseZ,
        100,
        this.baseX / 2,
        -10,
        0,
        "东墙"
      );
      this.createWell(
        this.baseX,
        this.baseY,
        100,
        0,
        -10,
        -this.baseZ / 2,
        "南墙"
      );
      this.createWell(
        this.baseY,
        this.baseZ,
        100,
        -this.baseX / 2,
        -10,
        0,
        "西墙"
      );
      this.createWell(
        this.baseX,
        this.baseY,
        100,
        0,
        -10,
        this.baseZ / 2,
        "北墙"
      );
      this.initLight();
      this.initControls();
      document.addEventListener("click", this.mouseClick, false);
      document.addEventListener("resize", this.setResize, false);
    },
    // 进入房间内部
    inTheRoom() {
      this.camera.position.set(-240, -60, 0);
    },
    // 设置相机自适应屏幕大小
    setResize() {
      this.camera.aspect = window.innerWidth / window.innerHeight;
      this.camera.updateProjectionMatrix();
      this.renderer.setSize(window.innerWidth, window.innerHeight);
    },
    // 初始化场景
    initScene() {
      this.scene = new THREE.Scene();
      this.scene.fog = new THREE.Fog(this.scene.background, 3000, 5000);
    },
    // 初始化相机
    initCamera() {
      this.camera = new THREE.PerspectiveCamera(
        70,
        window.innerWidth / window.innerHeight,
        0.1,
        1000
      );
      this.camera.position.set(0, 120, 280);
      this.camera.lookAt(new THREE.Vector3(0, 0, 0));
      // let helper = new THREE.CameraHelper(this.camera);
      // this.scene.add(helper);
    },
    // 初始化灯光
    initLight() {
      let directionalLight = new THREE.DirectionalLight(0xffffff, 0.3); //模拟远处类似太阳的光源
      directionalLight.color.setHSL(0.1, 1, 0.95);
      directionalLight.position.set(0, 200, 0).normalize();
      this.scene.add(directionalLight);

      let ambient = new THREE.AmbientLight(0xffffff, 1); //AmbientLight,影响整个场景的光源
      ambient.position.set(0, 0, 0);
      this.scene.add(ambient);
    },
    // 初始化性能插件
    initStats() {
      let stats = new Stats();
      stats.domElement.style.position = "absolute";
      stats.domElement.style.left = "0px";
      stats.domElement.style.top = "0px";
      this.floorCanvas.appendChild(stats.domElement);
      this.stats = stats;
    },
    // 初始化渲染器
    initRenderer() {
      this.renderer = new THREE.WebGLRenderer({ antialias: true });
      this.renderer.setSize(window.innerWidth, window.innerHeight);
      this.renderer.setClearColor(0x4682b4, 1.0);
      this.renderer.setPixelRatio(window.devicePixelRatio);
      this.floorCanvas.appendChild(this.renderer.domElement);
    },
    // 初始化轨道控制器
    initControls() {
      this.controls = new OrbitControls(this.camera, this.renderer.domElement);
      this.controls.enableDamping = true;
      this.controls.dampingFactor = 0.2;
      // 视角最小距离
      this.controls.minDistance = 100;
      // 视角最远距离
      this.controls.maxDistance = 5000;
      // 最大角度
      this.controls.maxPolarAngle = Math.PI / 1.9;
      // this.controls.maxPolarAngle = 0;
    },
    // 添加拖拽控件
    initDragControls(objects, info) {
      let that = this;
      // 初始化拖拽控件
      this.dragControls = new DragControls(
        objects,
        this.camera,
        this.renderer.domElement
      );
      this.dragControls.transformGroup = true;
      // 开始拖拽
      this.dragControls.addEventListener("dragstart", this.setDragstart);
      this.dragControls.addEventListener("drag", function (e) {
        // if (e.object.position.y < -60) {
        //   e.object.position.y = -60;
        // }
        let xMax = that.baseX / 2 - info.sizeX / 2;
        let xMin = -that.baseX / 2 + info.sizeX / 2;
        let zMax = that.baseZ / 2 - info.sizeZ / 2;
        let zMin = -that.baseZ / 2 + info.sizeZ / 2;
        if (e.object.position.x >= xMax) {
          e.object.position.x = xMax;
        }
        if (e.object.position.x <= xMin) {
          e.object.position.x = xMin;
        }
        switch (info.position) {
          // 地板流
          case "floor":
            if (e.object.position.z >= zMax) {
              e.object.position.z = zMax;
            }
            if (e.object.position.z <= zMin) {
              e.object.position.z = zMin;
            }
            e.object.position.y = -60;
            break;
          // 南墙
          case "south":
            if (e.object.name === "门") {
              e.object.position.z = that.baseZ / 2 + 1;
              e.object.position.y = -60;
            } else if (e.object.name === "会议平板") {
              e.object.position.z = that.baseZ / 2 - 5;
              e.object.position.y = 0;
            }
            break;
          // 东墙
          case "east":
            if (e.object.position.z >= zMax) {
              e.object.position.z = zMax;
            }
            if (e.object.position.z <= zMin) {
              e.object.position.z = zMin;
            }
            if (e.object.name === "门") {
              e.object.position.x = that.baseX / 2 + 1;
              e.object.position.y = -60;
            } else if (e.object.name === "会议平板") {
              e.object.position.x = that.baseX / 2 - 5;
              e.object.position.y = 0;
            }
            break;
          // 西墙
          case "west":
            if (e.object.position.z >= zMax) {
              e.object.position.z = zMax;
            }
            if (e.object.position.z <= zMin) {
              e.object.position.z = zMin;
            }
            if (e.object.name === "门") {
              e.object.position.x = -that.baseX / 2 - 1;
              e.object.position.y = -60;
            } else if (e.object.name === "会议平板") {
              e.object.position.x = -that.baseX / 2 + 5;
              e.object.position.y = 0;
            }
            break;
          // 北墙
          case "north":
            if (e.object.name === "门") {
              e.object.position.z = -that.baseZ / 2 - 1;
              e.object.position.y = -60;
            } else if (e.object.name === "会议平板") {
              e.object.position.z = -that.baseZ / 2 + 5;
              e.object.position.y = 0;
            }
            break;
          default:
            return;
        }
      });
      // 拖拽结束
      this.dragControls.addEventListener("dragend", this.setDragend);
    },
    // 具名拖拽开始函数
    setDragstart() {
      this.rotateBtnShow = false;
      this.editWellObject = false;
      this.controls.enabled = false;
    },
    // 具名拖拽结束函数
    setDragend() {
      this.controls.enabled = true;
    },
    // 鼠标单击触发的事件
    mouseClick(event) {
      let intersects = this.getIntersects(event);
      if (intersects !== {} && intersects.type === "Group") {
        this.selectObject = intersects;
        if (this.selectObject.name === "可旋转") {
          this.rotateBtnShow = true;
          this.addRotateClick(this.selectObject);
        } else {
          this.editWellObject = true;
        }
      } else {
        this.rotateBtnShow = false;
        this.selectObject = null;
        this.editWellObject = false;
      }
    },
    // 获取与射线相交的对象数组
    getIntersects(event) {
      event.preventDefault();

      let raycaster = new THREE.Raycaster();
      let mouse = new THREE.Vector2();
      // console.log(mouse);

      mouse.x = (event.clientX / window.innerWidth) * 2 - 1;
      mouse.y = -(event.clientY / window.innerHeight) * 2 + 1;

      //通过鼠标点击的位置(二维坐标)和当前相机的矩阵计算出射线位置
      raycaster.setFromCamera(mouse, this.camera);

      // 获取与射线相交的对象数组，其中的元素按照距离排序，越近的越靠前
      let moudle = this.scene.children.filter((item) => {
        if (item.type === "Group") {
          return item;
        }
      });
      let intersects = raycaster.intersectObjects(moudle, true);
      if (intersects.length > 0) {
        let object = intersects[0].object;
        this.getGroup(object);
        return this.selectGroup;
      }
      return {};
    },
    // 创建旋转按钮
    createRotateBtn() {
      let halWidth = window.innerWidth / 2;
      let halHeight = window.innerHeight / 2;
      let vector = this.selectObject.position.clone().project(this.camera);
      this.$refs.rotateBtn.style.left = `${
        halWidth + vector.x * halWidth - 40
      }px`;
      this.$refs.rotateBtn.style.top = `${
        -vector.y * halHeight + halHeight - this.selectObject.position.y - 230
      }px`;
    },
    // 添加旋转事件
    addRotateClick() {
      if (this.addRotate) {
        this.addRotate = false;
        let that = this;
        let newX = Number(this.$refs.rotateBtn.style.left.replace("px", "")); // 数据格式转
        document.addEventListener("dragenter ", function (e) {
          e.preventDefault();
        });
        document.addEventListener("dragover", function (e) {
          e.preventDefault();
        });
        // 旋转事件
        this.$refs.rotateBtn.addEventListener(
          "drag",
          function (event) {
            if (event.x < newX) {
              that.selectObject.rotateY(Math.PI / 120);
            } else if (event.x > newX) {
              that.selectObject.rotateY(Math.PI / -120);
            }
            newX = event.x;
          },
          true
        );
        // 结束拖拽之后重新计算模型大小
        this.$refs.rotateBtn.addEventListener(
          "dragend",
          function () {
            that.computeObjSize(that.selectObject);
          },
          true
        );
      }
    },
    // 动画效应
    animate() {
      if (!this.animateAbled) {
        return false;
      }
      if (this.selectObject) {
        this.createRotateBtn();
      }
      requestAnimationFrame(this.animate);
      this.renderer.render(this.scene, this.camera);
      this.stats.update();
      this.controls.update();
      // if (this.cube && this.objects) {
      //   this.pengPeng();
      // }
    },
    // 创建电梯
    createDDD() {
      let x = Math.random() * 100;
      let z = Math.random() * 100;
      let box = createMetry.addCubewall(
        30,
        100,
        30,
        0,
        new THREE.MeshPhongMaterial({
          color: 0xfda6d2,
          opacity: 1,
          transparent: true,
        }),
        x,
        -60,
        z,
        "楼层构造"
      );
      this.scene.add(box); //创建box，并添加到场景
      // this.cube = box;
      // this.originPoint = box.position.clone();
      this.initDragControls([box]);
    },
    // 碰撞检测
    // pengPeng() {
    //   for (let i = 0; i < this.cube.geometry.vertices.length; i++) {
    //     let localVertex = this.cube.geometry.vertices[i].clone();
    //     let globalVertex = localVertex.applyMatrix4(this.cube.matrix);
    //     let directionVector = globalVertex.sub(this.cube.position);
    //     let ray = new THREE.Raycaster(
    //       this.originPoint,
    //       directionVector.clone().normalize()
    //     );
    //     let collisionResults = ray.intersectObject(this.objects, true);
    //     // console.log(collisionResults);
    //     if (
    //       collisionResults.length > 0 &&
    //       collisionResults[0].distance < directionVector.length()
    //     ) {
    //       console.log("碰撞！");
    //       // this.dragControls.enabled = false;
    //     }
    //   }
    // },
    // 创建导入外部OBJ文件
    createObj(type) {
      switch (type) {
        // 创建桌子
        case "table":
          this.addTable = true;
          this.info = { position: "floor" };
          this.addObjItem(
            "/table/file.mtl",
            "/table/file.obj",
            [0, -60, 0],
            [0.05, 0.05, 0.05],
            "可旋转"
          );
          break;
        // 创建椅子
        case "chair":
          this.info = { position: "floor" };
          this.addObjItem(
            "/chair/file.mtl",
            "/chair/file.obj",
            [-300, -60, 0],
            [0.5, 0.5, 0.5],
            "可旋转"
          );
          break;
        // 创建门
        case "door":
          this.addDoor = true;
          this.info = { position: "south" };
          this.addObjItem(
            "/door/file.mtl",
            "/door/file.obj",
            [0, -60, this.baseZ / 2 + 1],
            [0.035, 0.035, 0.035],
            "门"
          );
          break;
        // 创建空调
        case "cool":
          this.info = { position: "floor" };
          this.addObjItem(
            "/cool/file.mtl",
            "/cool/file.obj",
            [200, -60, 0],
            [0.55, 0.55, 0.55],
            "可旋转"
          );
          break;
        default:
          return;
      }
    },
    // 添加OBJ条件
    addObjItem(mtlUrl, objUrl, position, scale, name) {
      let that = this;
      that.mat.load(mtlUrl, function (materials) {
        materials.preload();
        that.loader.setMaterials(materials);
        that.loader.load(
          objUrl,
          function (object) {
            object.position.set(position[0], position[1], position[2]);
            object.scale.set(scale[0], scale[1], scale[2]);
            object.name = name;
            that.scene.add(object);
            // 计算模型长宽高
            that.computeObjSize(object);
          }
          // function (xhr) {
          //   console.log((xhr.loaded / xhr.total) * 100 + "% loaded");
          // },
          // function (error) {
          //   console.log(error);
          // }
        );
      });
    },
    // 创建引入GLTF外部模型
    createGltf(type) {
      switch (type) {
        case "flat":
          this.info = { position: "north" };
          this.addGltfItem(
            "/flat/model.gltf",
            [0, 0, -this.baseZ / 2 + 5],
            [16, 12, 12],
            "会议平板"
          );
          break;
        default:
          return;
      }
    },
    // 添加GLTF条件
    addGltfItem(url, position, scale, name) {
      let that = this;
      let loader = new GLTFLoader();
      loader.load(url, function (gltf) {
        gltf.scene.position.set(position[0], position[1], position[2]);
        gltf.scene.scale.set(scale[0], scale[1], scale[2]);
        gltf.scene.name = name;
        that.scene.add(gltf.scene);
        that.computeObjSize(gltf.scene);
      });
    },
    // 更改墙上物品位置
    takeWellObject(type) {
      switch (type) {
        case "east":
          if (this.selectObject.name === "门") {
            this.selectObject.rotation.y = Math.PI / 2;
            this.selectObject.position.set(this.baseX / 2 + 1, -60, 0);
            this.info.position = "east";
          } else if (this.selectObject.name === "会议平板") {
            this.selectObject.rotation.y = Math.PI / -2;
            this.selectObject.position.set(this.baseX / 2 - 5, 0, 0);
            this.info.position = "east";
          }
          this.computeObjSize(this.selectObject);
          break;
        case "south":
          if (this.selectObject.name === "门") {
            this.selectObject.rotation.y = 0;
            this.selectObject.position.set(0, -60, this.baseZ / 2 + 1);
            this.info.position = "south";
          } else if (this.selectObject.name === "会议平板") {
            this.selectObject.rotation.y = Math.PI;
            this.selectObject.position.set(0, 0, this.baseZ / 2 - 5);
            this.info.position = "south";
          }
          this.computeObjSize(this.selectObject);
          break;
        case "west":
          if (this.selectObject.name === "门") {
            this.selectObject.rotation.y = Math.PI / 2;
            this.selectObject.position.set(-this.baseX / 2 - 1, -60, 0);
            this.info.position = "west";
          } else if (this.selectObject.name === "会议平板") {
            this.selectObject.rotation.y = Math.PI / 2;
            this.selectObject.position.set(-this.baseX / 2 + 5, 0, 0);
            this.info.position = "west";
          }
          this.computeObjSize(this.selectObject);
          break;
        case "north":
          if (this.selectObject.name === "门") {
            this.selectObject.rotation.y = 0;
            this.selectObject.position.set(0, -60, -this.baseZ / 2 - 1);
            this.info.position = "north";
          } else if (this.selectObject.name === "会议平板") {
            this.selectObject.rotation.y = 0;
            this.selectObject.position.set(0, 0, -this.baseZ / 2 + 5);
            this.info.position = "north";
          }

          this.computeObjSize(this.selectObject);
          break;
        default:
          return;
      }
    },
    // 计算当前模型的大小(长宽高)
    computeObjSize(object) {
      let boxSize = new THREE.Box3().setFromObject(object).getSize();
      this.info.sizeX = parseInt(boxSize.x);
      this.info.sizeY = parseInt(boxSize.y);
      this.info.sizeZ = parseInt(boxSize.z);
      this.initDragControls([object], this.info);
    },
    // 获取组
    getGroup(intersects) {
      let selectGroup = intersects.parent;
      if (selectGroup.type === "Group") {
        return (this.selectGroup = selectGroup);
      } else {
        selectGroup = selectGroup.parent;
        this.getGroup(selectGroup);
      }
    },
  },
};
</script>

<style scoped lang="less">
i {
  font-style: normal;
}
#floorCanvas {
  position: relative;
  height: 100vh;
  width: 100vw;
}
.handle-btn {
  position: absolute;
  left: 0;
  top: 15%;
  button {
    width: 60px;
    padding: 5px;
    display: block;
  }
  button:hover {
    cursor: pointer;
    background-color: lightseagreen;
    color: #fff;
  }
}

.selected {
  background-color: tomato;
  color: #fff;
  font-weight: 600;
}

.create-mesh {
  margin-top: 20px;
}
.create-mesh button {
  width: 100px;
}
.create-mesh button span {
  width: 12px;
  height: 12px;
  display: inline-block;
  margin-left: 5px;
}
.rotate-btn {
  display: block;
  position: absolute;
  top: 20%;
  left: 30%;
  img {
    width: 50px;
    height: 50px;
  }
}

.editDoor {
  position: absolute;
  left: 50%;
  top: 70px;
  transform: translateX(-50%);
  button {
    font-style: 18px;
    padding: 5px;
  }
  button:hover {
    cursor: pointer;
    background-color: lightseagreen;
    color: #fff;
  }
}
</style>

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