feat:添加地图模型

ZhangXianQiang

2024-04-02 27ff7f3cbd6b66f32f7b738fd4aff3f8d6320584

feat:添加地图模型

 src/assets/map/texture/map_texture.jpg

 src/assets/map/zigong2.json

New file
Diff too large

 src/views/screen/components/screen-map-three/experience/camera.js

@@ -16,7 +16,7 @@
    // 设置透视相机
    setInstance() {
        this.instance = new PerspectiveCamera(75,this.sizes.width / this.sizes.height, 0.1, 1000);
        this.instance.position.set(0, 5, 2);
        this.instance.position.set(0, 2, 2);
        this.scene.add(this.instance);
        const help = new CameraHelper(this.instance);
        this.scene.add(help);
@@ -24,7 +24,7 @@

    setOrbitControls() {
        this.controls = new OrbitControls(this.instance, this.canvas);
        this.controls.target.set(0, 0, 0);
        this.controls.target.set(0, 0, 1);
    }

    resize() {

 src/views/screen/components/screen-map-three/experience/index.js

@@ -1,4 +1,4 @@
import { Scene,GridHelper } from 'three';
import { Scene, GridHelper,AxesHelper } from 'three';


import World from "./world/world";
@@ -25,6 +25,8 @@
    const gridHelper = new GridHelper(size, divisions);
    this.scene.add(gridHelper);

    

    // 帧
    this.time.on('tick', () => {
      this.update();

 src/views/screen/components/screen-map-three/experience/world/enviroment.js

New file
@@ -0,0 +1,20 @@
import * as THREE from 'three';



export default class Enviroment {
    constructor(experience) {
        this.experience = experience;
        this.scene = this.experience.scene;
        this.setSunLight();
    }
    setSunLight() {
      this.sunLight = new THREE.DirectionalLight('#ffffff', 4);
      this.sunLight.castShadow = true;
      this.sunLight.shadow.camera.far = 15;
      this.sunLight.shadow.mapSize.set(2048, 2048);
      this.sunLight.shadow.normalBias = 0.05;
      this.sunLight.position.set(-1.3, 7, 10);
      this.scene.add(this.sunLight);
  }
}

 src/views/screen/components/screen-map-three/experience/world/map.js

@@ -1,51 +1,67 @@
import * as THREE from 'three';
import * as d3 from 'd3';
import mapData from '@/assets/map/zigong.json';
import mapData from '@/assets/map/zigong2.json';

import textureMap from '@/assets/map/texture/map_texture.jpg';

// 地图深度
const MAP_DEPTH = 0.2;

const projection = d3.geoMercator().center([104.779307, 29.33924]).translate([0, 0, 0]);
export default class Map {
    constructor(experience) {
        this.experience = experience;
        this.scene = this.experience.scene;
        this.material = null;
        this.operationData(mapData);
    }
    operationData(jsondata) {
        this.map = new THREE.Object3D();
        // geo信息
        const features = jsondata.features;
        features.forEach((feature) => {
            // 单个省份 对象
            const province = new THREE.Object3D();
            // 地址
            province.properties = feature.properties.name;
            const coordinates = feature.geometry.coordinates;

            // 多个情况
            if (feature.geometry.type === "MultiPolygon") {
                coordinates.forEach((coordinate) => {
                    coordinate.forEach((rows) => {
                        const line = this.drawBoundary(rows);
                        const mesh = this.drawExtrudeMesh(rows);
                        province.add(line);
                        province.add(mesh);
                    });
        const loader = new THREE.TextureLoader();
        loader.load(textureMap,
            (texture) => {
                this.material = new THREE.MeshBasicMaterial({
                    map: texture
                });
            }

            // 单个情况
            if (feature.geometry.type === "Polygon") {
                coordinates.forEach((coordinate) => {
                    const line = this.drawBoundary(coordinate);
                    const mesh = this.drawExtrudeMesh(coordinate);
                    province.add(line);
                    province.add(mesh);
                this.map = new THREE.Object3D();
                // geo信息
                const features = jsondata.features;
                features.forEach((feature) => {
                    // 单个省份 对象
                    const province = new THREE.Object3D();
                    // 地址
                    province.properties = feature.properties.name;
                    // 多个情况
                    if (feature.geometry.type === "GeometryCollection") {
                        feature.geometry.geometries.forEach((coordinate) => {
                            coordinate.coordinates.forEach((rows) => {
                                const line = this.drawBoundary(rows);
                                const mesh = this.drawExtrudeMesh(rows);
                                province.add(line);
                                province.add(mesh);
                            });
                        });
                    }

                    // 单个情况
                    if (feature.geometry.type === "Polygon") {
                        feature.geometry.coordinates.forEach((coordinate) => {
                            const line = this.drawBoundary(coordinate);
                            const mesh = this.drawExtrudeMesh(coordinate);
                            province.add(line);
                            province.add(mesh);
                        });
                    }
                    this.map.add(province);
                    this.map.position.set(0.001, 0, 0.1);
                    this.map.rotation.set(THREE.MathUtils.degToRad(-90), 0, THREE.MathUtils.degToRad(20));
                });
                this.container = new THREE.Object3D();
                this.container.add(this.map);
                this.scene.add(this.container);
                console.log(this.container);
            }
            this.map.add(province);
            this.map.position.set(0, 0, 0);
        });
        this.scene.add(this.map);
        )
    }
    drawBoundary(polygon) {
        const points = [];
@@ -57,8 +73,9 @@
        const lineMaterial = new THREE.LineBasicMaterial({
            color: 'yellow'
        });

        return new THREE.Line(lineGeometry, lineMaterial);
        const line = new THREE.Line(lineGeometry, lineMaterial);
        line.translateZ(MAP_DEPTH);
        return line;
    }

    drawExtrudeMesh(polygon) {
@@ -75,16 +92,20 @@
        }

        const geometry = new THREE.ExtrudeGeometry(shape, {
            depth: 0,
            bevelEnabled: false
            depth: MAP_DEPTH,
            bevelEnabled: false,
        });

        const material = new THREE.MeshBasicMaterial({
            color: '#fff',
            color: '#525288',
            transparent: true,
            opacity: 0.2,
            opacity: 1,
        })

        return new THREE.Mesh(geometry, material);

        console.log(geometry);


        return new THREE.Mesh(geometry, this.material);
    }
}

 src/views/screen/components/screen-map-three/experience/world/test.js

File was deleted

 src/views/screen/components/screen-map-three/experience/world/world.js

@@ -1,4 +1,5 @@
import EventEmitter from '../utils/eventEmitter';
import Enviroment from './enviroment';

import Map from './map';

@@ -7,7 +8,8 @@
    super();
    this.experience = experience;
    this.scene = this.experience.scene;
    this.Map = new Map(this.experience);
    this.enviroment = new Enviroment(this.experience);
    this.map = new Map(this.experience);
  }

  update() {