From ee17debc7eff4af0bbfc1f28a256f2a05993b0c5 Mon Sep 17 00:00:00 2001 From: ZhangXianQiang <1135831638@qq.com> Date: 星期二, 16 四月 2024 17:19:36 +0800 Subject: [PATCH] feat:添加圆环 --- src/views/screen/components/screen-map-three/experience/world/map.js | 108 +++++++++++++++++++++++++++++++++++++++++++++++------ 1 files changed, 95 insertions(+), 13 deletions(-) diff --git a/src/views/screen/components/screen-map-three/experience/world/map.js b/src/views/screen/components/screen-map-three/experience/world/map.js index 599d3df..e418273 100644 --- a/src/views/screen/components/screen-map-three/experience/world/map.js +++ b/src/views/screen/components/screen-map-three/experience/world/map.js @@ -1,24 +1,106 @@ import * as THREE from 'three'; +import * as d3 from 'd3'; +import mapData from '@/assets/map/zigong2.json'; -export default class Test { +import textureMap from '@/assets/map/texture/map_texture.jpg'; + +// 鍦板浘娣卞害 +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) { + const loader = new THREE.TextureLoader(); + loader.load(textureMap, + (texture) => { + this.material = new THREE.MeshBasicMaterial({ + map: texture + }); - this.setGeometry(); - this.setMaterial(); - this.setMesh(); + this.map = new THREE.Object3D(); + // geo淇℃伅 + const features = jsondata.features; + features.forEach((feature) => { + // 鍗曚釜鐪佷唤 瀵硅薄 + const province = new THREE.Object3D(); + // 鍦板潃 + province.properties = feature.properties.name; + // 澶氫釜鎯呭喌 + 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); + }); + }); + } + + // 鍗曚釜鎯呭喌 + 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); + } + ) } - setGeometry() { - this.geometry = new THREE.BoxGeometry(2,2,2); - } - setMaterial() { - this.geometryMaterial = new THREE.MeshStandardMaterial({ - color: '#db929d' + drawBoundary(polygon) { + const points = []; + for (let i = 0; i < polygon.length; i++) { + const [x, y] = projection(polygon[i]); + points.push(new THREE.Vector3(x, -y, 0)); + } + const lineGeometry = new THREE.BufferGeometry().setFromPoints(points); + const lineMaterial = new THREE.LineBasicMaterial({ + color: 'yellow' }); + const line = new THREE.Line(lineGeometry, lineMaterial); + line.translateZ(MAP_DEPTH); + return line; } - setMesh() { - this.geometrytMesh = new THREE.Mesh(this.geometry, this.geometryMaterial); - this.scene.add(this.geometrytMesh); + + drawExtrudeMesh(polygon) { + const shape = new THREE.Shape(); + + for (let i = 0; i < polygon.length; i++) { + const [x, y] = projection(polygon[i]); + + if (i === 0) { + shape.moveTo(x, -y); + } + + shape.lineTo(x, -y); + } + + const geometry = new THREE.ExtrudeGeometry(shape, { + depth: MAP_DEPTH, + bevelEnabled: false, + }); + + const material = new THREE.MeshBasicMaterial({ + color: '#525288', + transparent: true, + opacity: 1, + }) + return new THREE.Mesh(geometry, this.material); } } \ No newline at end of file -- Gitblit v1.8.0