From 1edfee5cc92ade87c31c3dd0a88f3bc6b48db568 Mon Sep 17 00:00:00 2001 From: ZhangXianQiang <1135831638@qq.com> Date: 星期四, 18 四月 2024 17:12:16 +0800 Subject: [PATCH] feat:入场动画 --- src/views/screen/components/screen-map-three/experience/world/map.js | 195 +++++++++++++++++++++++++++++++++++++++++++----- 1 files changed, 173 insertions(+), 22 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 e32efc6..2d2a299 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 @@ -1,17 +1,64 @@ 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 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.camera = this.experience.camera; + this.provinceMeshList = []; + this.textureLoader = new THREE.TextureLoader(); + this.setTexture(); this.operationData(mapData); + setTimeout(() => { + this.enterAnimation(); + }, 500); } + 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, + }); + } + + /** + * 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(); + this.map = new THREE.Group(); + // geo淇℃伅 const features = jsondata.features; features.forEach((feature) => { @@ -19,34 +66,46 @@ const province = new THREE.Object3D(); // 鍦板潃 province.properties = feature.properties.name; - const coordinates = feature.geometry.coordinates; - // 澶氫釜鎯呭喌 + // console.log(feature.geometry.type); if (feature.geometry.type === "MultiPolygon") { - coordinates.forEach((coordinate) => { + 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") { - coordinates.forEach((coordinate) => { + 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); }); } + province.isHover = false; this.map.add(province); - this.map.position.set(0, 0, 0); }); + 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++) { @@ -55,36 +114,128 @@ } const lineGeometry = new THREE.BufferGeometry().setFromPoints(points); const lineMaterial = new THREE.LineBasicMaterial({ - color: 'yellow' + color: 0xffffff, + linewidth: 2, + transparent: true, + depthTest: false, }); - - return new THREE.Line(lineGeometry, lineMaterial); + 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: 0, - bevelEnabled: false + depth: MAP_DEPTH, + bevelEnabled: false, + bevelSegments: 1, + bevelThickness: 0.1, }); + return new THREE.Mesh(geometry, [ + this.topFaceMaterial, + this.sideMaterial, + ]); + } - const material = new THREE.MeshBasicMaterial({ - color: '#fff', - transparent: true, - opacity: 0.2, + + 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); + } 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; + } }) + } - return new THREE.Mesh(geometry, material); + resetAllAnimation() { + this.map.children.forEach((item) => { + this.resetAnimation(item); + }) + } + + enterAnimation() { + gsap.to(this.map.scale, { + z: 10, + duration: 0.6, + ease: 'power1.out' + }) } } \ No newline at end of file -- Gitblit v1.8.0