gas-injection/src/views/vent/monitorManager/windrectMonitor/dantou.threejs.ts

import * as THREE from 'three';

import { getTextCanvas } from '/@/utils/threejs/util';
// import * as dat from 'dat.gui';
// const gui = new dat.GUI();
// gui.domElement.style = 'position:absolute;top:100px;left:10px;z-index:99999999999999';

class ddWindRect {
  model;
  modelName = 'ddcf';
  group: THREE.Object3D = new THREE.Object3D();
  animationTimer;
  isLRAnimation = true;
  direction = 1;

  constructor(model) {
    this.model = model;
    this.group.name = this.modelName;
  }

  addLight() {
    const directionalLight = new THREE.DirectionalLight(0xffffff, 1);
    directionalLight.position.set(42.4, 248, 86);
    this.group.add(directionalLight);
    directionalLight.target = this.group;

    // gui.add(directionalLight.position, 'x', -500, 500);
    // gui.add(directionalLight.position, 'y', -500, 500);
    // gui.add(directionalLight.position, 'z', -500, 500);

    // gui.add(spotLight.position, 'x', -500, 500);
    // gui.add(spotLight.position, 'y', -500, 500);
    // gui.add(spotLight.position, 'z', -500, 500);
    // gui.add(spotLight, 'distance', 0, 1000);
  }

  // 设置模型位置
  setModalPosition() {
    this.group?.scale.set(22, 22, 22);
    this.group?.position.set(-10, 25, 20);
  }

  addFmText(selectData) {
    if (!this.group) {
      return;
    }
    const textArr = [
      {
        text: `单点式测风装置`,
        font: 'normal 32px Arial',
        color: '#009900',
        strokeStyle: '#002200',
        x: 140,
        y: 75,
      },
      {
        text: `风量(m3/min):`,
        font: 'normal 29px Arial',
        color: '#009900',
        strokeStyle: '#002200',
        x: 12,
        y: 133,
      },
      {
        text: `${selectData.m3 ? selectData.m3 : '-'}`,
        font: 'normal 29px Arial',
        color: '#009900',
        strokeStyle: '#002200',
        x: 311,
        y: 133,
      },
      {
        text: `风速(m/s): `,
        font: 'normal 29px Arial',
        color: '#009900',
        strokeStyle: '#002200',
        x: 12,
        y: 192,
      },
      {
        text: `${selectData.va ? selectData.va : '-'}`,
        font: 'normal 29px Arial',
        color: '#009900',
        strokeStyle: '#002200',
        x: 310,
        y: 192,
      },
      {
        text: `断面积(㎡):`,
        font: 'normal 29px Arial',
        color: '#009900',
        strokeStyle: '#002200',
        x: 12,
        y: 247,
      },
      {
        text: `${selectData.fsectarea ? selectData.fsectarea : '-'}`,
        font: 'normal 29px Arial',
        color: '#009900',
        strokeStyle: '#002200',
        x: 310,
        y: 247,
      },
      {
        text: `煤炭科学技术研究院有限公司研制`,
        font: 'normal 28px Arial',
        color: '#009900',
        strokeStyle: '#002200',
        x: 50,
        y: 302,
      },
    ];

    getTextCanvas(560, 346, textArr, '').then((canvas: HTMLCanvasElement) => {
      const textMap = new THREE.CanvasTexture(canvas); // 关键一步
      const textMaterial = new THREE.MeshBasicMaterial({
        map: textMap, // 设置纹理贴图
        transparent: true,
        side: THREE.DoubleSide, // 这里是双面渲染的意思
      });
      textMaterial.blending = THREE.CustomBlending;
      const monitorPlane = this.group?.getObjectByName('monitorText');
      if (monitorPlane) {
        monitorPlane.material = textMaterial;
      } else {
        const planeGeometry = new THREE.PlaneGeometry(5.6, 3.46); // 平面3维几何体PlaneGeometry
        const planeMesh = new THREE.Mesh(planeGeometry, textMaterial);
        planeMesh.name = 'monitorText';
        planeMesh.scale.set(0.26, 0.26, 0.26);
        planeMesh.position.set(-2.52, 0.038, -0.42);
        this.group?.add(planeMesh);
      }
    });
  }

  /* 风门动画 */
  render() {
    if (!this.model) {
      return;
    }
    if (this.isLRAnimation && this.group) {
      // 左右摇摆动画
      if (Math.abs(this.group.rotation.y) >= 0.2) {
        this.direction = -this.direction;
        this.group.rotation.y += 0.00002 * 30 * this.direction;
      } else {
        this.group.rotation.y += 0.00002 * 30 * this.direction;
      }
    }
  }

  /* 点击风窗，风窗全屏 */
  mousedownModel(intersects: THREE.Intersection<THREE.Object3D<THREE.Event>>[]) {
    this.isLRAnimation = false;
    if (this.animationTimer) {
      clearTimeout(this.animationTimer);
      this.animationTimer = null;
    }
    // 判断是否点击到视频
    intersects.find((intersect) => {
      intersect;
      return false;
    });
  }

  mouseUpModel() {
    // 10s后开始摆动
    if (!this.animationTimer && !this.isLRAnimation) {
      this.animationTimer = setTimeout(() => {
        this.isLRAnimation = true;
      }, 10000);
    }
  }

  resetModel() {
    clearTimeout(this.animationTimer);
    this.isLRAnimation = false;
  }

  mountedThree() {
    return new Promise((resolve) => {
      this.model.setGLTFModel([this.modelName]).then((gltf) => {
        this.group.name = this.modelName;
        this.group = gltf[0];
        this.setModalPosition();
        this.addLight();
      });
    });
  }

  destroy() {
    if (this.group) {
      this.model.clearGroup(this.group);
    }

    this.model = null;
    this.group = null;
  }
}

export default ddWindRect;