feat:添加圆环

ZhangXianQiang

2024-04-16 ee17debc7eff4af0bbfc1f28a256f2a05993b0c5

 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 +92,15 @@
        }

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