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 | 122 +++++++++++++++++++++++++++++----------- 1 files changed, 87 insertions(+), 35 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 d11c80b..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 @@ -1,12 +1,13 @@ 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'; import textureMapImage from '@/assets/map/texture/gz-map.jpg'; import textureMapFxImage from '@/assets/map/texture/gz-map-fx.jpg'; -import { mergeGeometries } from 'three/examples/jsm/utils/BufferGeometryUtils.js'; import gsap from 'gsap'; + // 鍦板浘娣卞害 const MAP_DEPTH = 0.2; @@ -17,13 +18,17 @@ export default class Map { constructor(experience) { this.experience = experience; - this.scene = this.experience.scene; - this.camera = this.experience.camera; + this.scene = experience.scene; + this.camera = experience.camera; + this.provinceMeshList = []; + this.labelList = []; this.textureLoader = new THREE.TextureLoader(); this.setTexture(); this.operationData(mapData); - this.setLineHelper(); + setTimeout(() => { + this.enterAnimation(); + }, 500); } setTexture() { const textureMap = this.textureLoader.load(textureMapImage); @@ -64,6 +69,7 @@ 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") { @@ -88,16 +94,16 @@ this.provinceMeshList.push(mesh); }); } - // 鍚堝苟mesh - // const mergedGeometry = mergeGeometries(province.children,true); - province.isHover = false; + 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, 10); + 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); - console.log(this.map); + this.setMouseEvent(); } @@ -149,10 +155,25 @@ ]); } + 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.throttle(this.mouseEvent,100)); this.experience.canvas.addEventListener("mousemove", this.mouseEvent); } @@ -178,6 +199,7 @@ if (intersects.length) { let temp = intersects[0].object; this.animation(temp.parent); + this.showLabel(temp.parent); } else { this.animation(); } @@ -232,32 +254,62 @@ }) } - setLineHelper() { - const material = new THREE.LineBasicMaterial({ - color: 0x0000ff - }); - - const points = []; - points.push(new THREE.Vector3(0, 0, 0)); - points.push(new THREE.Vector3(0, 0, 0)); - - const geometry = new THREE.BufferGeometry().setFromPoints(points); - - this.lineHelper = new THREE.Line(geometry, material); - console.log(this.lineHelper); - this.scene.add(this.lineHelper); + showLabel(province) { + this.labelList.forEach((item) => { + // if (item.name === province.properties) { + // item.label.element.style.visibility = 'visible'; + // } else { + // item.label.element.style.visibility = 'hidden'; + // } + }) } - updateLine(raycaster) { - let pointArray = new Float32Array([ - raycaster.ray.origin.x, - raycaster.ray.origin.y, - raycaster.ray.origin.z, - raycaster.ray.direction.x, - raycaster.ray.direction.y, - raycaster.ray.direction.z, - ]) - this.lineHelper.geometry.attributes.position.array = pointArray; - this.lineHelper.geometry.attributes.position.needsUpdate = true; + 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 -- Gitblit v1.8.0