From 35ddaca1fe74191a9861f42b1d6d5f1ed93651a5 Mon Sep 17 00:00:00 2001
From: ZhangXianQiang <1135831638@qq.com>
Date: 星期三, 17 四月 2024 15:33:47 +0800
Subject: [PATCH] feat:添加角度限制
---
src/views/screen/components/screen-map-three/experience/world/map.js | 142 ++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 128 insertions(+), 14 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..d7da5f6 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 +1,138 @@
import * as THREE from 'three';
+import * as d3 from 'd3';
+import mapData from '@/assets/map/zigong2.json';
-export default class Test {
+import textureMapImage from '@/assets/map/texture/gz-map.jpg';
+import textureMapFxImage from '@/assets/map/texture/gz-map-fx.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.setGeometry();
- this.setMaterial();
- this.setMesh();
+ this.material = null;
+ this.textureLoader = new THREE.TextureLoader();
+ this.setTexture();
+ this.operationData(mapData);
}
- setGeometry() {
- this.geometry = new THREE.BoxGeometry(2,2,2);
- }
- setMaterial() {
- this.geometryMaterial = new THREE.MeshStandardMaterial({
- color: '#db929d'
+ setTexture() {
+ const textureMap = this.textureLoader.load(textureMapImage);
+ const textureMapFx = this.textureLoader.load(textureMapFxImage);
+ textureMap.wrapS = textureMapFx.wrapS = THREE.RepeatWrapping;
+ textureMap.wrapT = textureMapFx.wrapT = THREE.RepeatWrapping;
+ textureMap.flipY = textureMapFx.flipY = false;
+ textureMap.rotation = textureMapFx.rotation = THREE.MathUtils.degToRad(45);
+ const scale = 0.128;
+ textureMap.repeat.set(scale, scale);
+ textureMapFx.repeat.set(scale, scale);
+ this.topFaceMaterial = new THREE.MeshPhongMaterial({
+ map: textureMap,
+ color: 0xb4eeea,
+ combine: THREE.MultiplyOperation,
+ transparent: true,
+ opacity: 1,
+ });
+ this.sideMaterial = new THREE.MeshLambertMaterial({
+ color: 0x123024,
+ transparent: true,
+ opacity: 0.9,
});
}
- setMesh() {
- this.geometrytMesh = new THREE.Mesh(this.geometry, this.geometryMaterial);
- this.scene.add(this.geometrytMesh);
+
+ /**
+ * 瑙ｆ瀽json鏁版嵁锛屽苟缁樺埗鍦板浘澶氳竟褰�
+ * @param {*} jsondata 鍦板浘鏁版嵁
+ */
+ operationData(jsondata) {
+
+ 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
+ // console.log(feature.geometry.type);
+ if (feature.geometry.type === "MultiPolygon") {
+ console.log(feature.geometry.coordinates);
+ feature.geometry.coordinates.forEach((coordinate) => {
+ coordinate.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(1, 1, -2);
+ this.map.scale.set(10, 10, 10);
+ 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);
+ }
+
+ /**
+ * 鐢诲尯鍩熷垎鐣岀嚎
+ * @param {*} polygon 鍖哄煙鍧愭爣鐐规暟缁�
+ * @returns 鍖哄煙鍒嗙晫绾�
+ */
+ 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: 0xffffff,
+ linewidth: 2,
+ transparent: true,
+ depthTest: false,
+ });
+ const line = new THREE.Line(lineGeometry, lineMaterial);
+ line.translateZ(MAP_DEPTH + 0.001);
+ return line;
+ }
+ /**
+ * 缁樺埗鍖哄煙澶氳竟褰�
+ * @param {*} polygon 鍖哄煙鍧愭爣鐐规暟缁�
+ * @returns 鍖哄煙澶氳竟褰�
+ */
+ 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,
+ bevelSegments: 1,
+ bevelThickness: 0.1,
+ });
+ return new THREE.Mesh(geometry, [
+ this.topFaceMaterial,
+ this.sideMaterial,
+ ]);
}
}
\ No newline at end of file
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