From cd5280e6bf2b54d509452393d378994b49eaacab Mon Sep 17 00:00:00 2001
From: xiangpei <xiangpei@timesnew.cn>
Date: 星期一, 22 七月 2024 10:24:36 +0800
Subject: [PATCH] 图标样式调整
---
src/views/screen/components/screen-map-three/experience/world/map.js | 319 ++++++++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 305 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..1dd127f 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 +1,315 @@
import * as THREE from 'three';
+import * as d3 from 'd3';
+import mapData from '@/assets/map/zigong2.json';
+import { CSS2DObject } from 'three/examples/jsm/renderers/CSS2DRenderer';
-export default class Test {
+import textureMapImage from '@/assets/map/texture/gz-map.jpg';
+import textureMapFxImage from '@/assets/map/texture/gz-map-fx.jpg';
+
+import gsap from 'gsap';
+
+// 鍦板浘娣卞害
+const MAP_DEPTH = 0.2;
+
+const projection = d3.geoMercator().center([104.779307, 29.33924]).translate([0, 0, 0]);
+
+const raycaster = new THREE.Raycaster();
+
+export default class Map {
constructor(experience) {
this.experience = experience;
- this.scene = this.experience.scene;
+ this.scene = experience.scene;
+ this.camera = experience.camera;
- this.setGeometry();
- this.setMaterial();
- this.setMesh();
+ this.provinceMeshList = [];
+ this.labelList = [];
+ this.textureLoader = new THREE.TextureLoader();
+ this.setTexture();
+ this.operationData(mapData);
+ setTimeout(() => {
+ this.enterAnimation();
+ }, 500);
}
- 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,
+ color: 0xb3fffa,
+ 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.Group();
+
+ // 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;
+ province.isHover = false;
+ // 澶氫釜鎯呭喌
+ // console.log(feature.geometry.type);
+ if (feature.geometry.type === "MultiPolygon") {
+ feature.geometry.coordinates.forEach((coordinate) => {
+ coordinate.forEach((rows) => {
+ const line = this.drawBoundary(rows);
+ const mesh = this.drawExtrudeMesh(rows);
+ province.add(line);
+ province.add(mesh);
+ this.provinceMeshList.push(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.provinceMeshList.push(mesh);
+ });
+ }
+ const label = this.drawLabelText(feature);
+ this.labelList.push({ name: feature.properties.name, label });
+ province.add(label);
+ this.map.add(province);
+ });
+ this.map.position.set(1, 1, -1.5);
+ this.map.scale.set(10, 10, 1);
+ this.map.rotation.set(THREE.MathUtils.degToRad(-90), 0, THREE.MathUtils.degToRad(20));
+ this.scene.add(this.map);
+
+ this.setMouseEvent();
+ }
+
+ /**
+ * 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,
+ ]);
+ }
+
+ drawLabelText(province) {
+ const [x, y] = projection(province.properties.center);
+ const div = document.createElement('div');
+ div.innerHTML = province.properties.name;
+ div.style.padding = '4px 10px';
+ div.style.color = '#fff';
+ div.style.fontSize = '16px';
+ div.style.position = 'absolute';
+ div.style.backgroundColor = 'rgba(25,25,25,0.5)';
+ div.style.borderRadius = '5px';
+ const label = new CSS2DObject(div);
+ div.style.pointerEvents = 'none';
+ label.position.set(x, y, MAP_DEPTH + 0.05);
+ return label;
+ }
+
+
+ setMouseEvent() {
+ this.mouseEvent = this.handleEvent.bind(this);
+ this.experience.canvas.addEventListener("mousemove", this.mouseEvent);
+ }
+
+ removeMouseEvent() {
+ this.experience.canvas.removeEventListener("mousemove", this.mouseEvent);
+ }
+
+ handleEvent(e) {
+ // console.log(this);
+ // return;
+ if (this.map) {
+ let mouse = new THREE.Vector2();
+ let getBoundingClientRect = this.experience.canvas.getBoundingClientRect();
+ let x = ((e.clientX - getBoundingClientRect.left) / getBoundingClientRect.width) * 2 - 1;
+ let y = -((e.clientY - getBoundingClientRect.top) / getBoundingClientRect.height) * 2 + 1;
+ mouse.x = x;
+ mouse.y = y;
+
+ raycaster.setFromCamera(mouse, this.camera.instance);
+
+ let intersects = raycaster.intersectObjects(this.provinceMeshList, false);
+
+ if (intersects.length) {
+ let temp = intersects[0].object;
+ this.animation(temp.parent);
+ this.showLabel(temp.parent);
+ } else {
+ this.animation();
+ }
+ }
+ }
+
+ throttle(callback, delay) {
+ let lastCall = 0;
+ return function () {
+ let now = new Date().getTime();
+ if (now - lastCall >= delay) {
+ lastCall = now;
+ callback.apply(null, arguments);
+ }
+ };
+ }
+
+ animation(province) {
+ if (province) {
+ if (!province.isHover) {
+ province.isHover = true;
+ this.map.children.forEach((item) => {
+ if (item.properties === province.properties) {
+ gsap.to(province.position, {
+ z: 0.12,
+ duration: 0.6
+ })
+ } else {
+ this.resetAnimation(item);
+ }
+ })
+ }
+ } else {
+ this.resetAllAnimation();
+ }
+
+ }
+
+ resetAnimation(province) {
+ gsap.to(province.position, {
+ z: 0,
+ duration: 0.6,
+ onComplete: () => {
+ province.isHover = false;
+ }
+ })
+ }
+
+ resetAllAnimation() {
+ this.map.children.forEach((item) => {
+ this.resetAnimation(item);
+ })
+ }
+
+ showLabel(province) {
+ this.labelList.forEach((item) => {
+ // if (item.name === province.properties) {
+ // item.label.element.style.visibility = 'visible';
+ // } else {
+ // item.label.element.style.visibility = 'hidden';
+ // }
+ })
+ }
+
+ enterAnimation() {
+ gsap.to(this.map.scale, {
+ z: 10,
+ duration: 0.6,
+ ease: 'power1.out'
+ })
+ }
+
+ destroy() {
+ this.removeMouseEvent();
+ this.disposeObject();
+ this.removeObject();
+ this.resetObject();
+ }
+
+ disposeObject() {
+ this.map.traverse((child) => {
+ if (child.material) {
+ // 鍙兘瀛樺湪鏉愯川涓烘暟缁勭殑鎯呭喌
+ if (child.material instanceof Array) {
+ child.material.forEach((item) => item.dispose());
+ } else {
+ child.material.dispose();
+ if (child.material.map) {
+ child.material.map.dispose();
+ }
+ }
+ }
+ if (child.geometry) {
+ child.geometry.dispose();
+ child.geometry.attributes = null; // 杩欎簺灞炴�у寘鎷琾osition, normal, uv绛夌瓑
+ }
+ child = null;
+ });
+ this.topFaceMaterial.dispose();
+ this.sideMaterial.dispose();
+ }
+
+ removeObject() {
+ this.scene.remove(this.map);
+ }
+
+ resetObject() {
+ this.map = null;
+ this.provinceMeshList = null;
+ this.labelList = null;
+ this.textureLoader = null;
}
}
\ No newline at end of file
--
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