From 496f3a16fa0fddd23af01fe6cb4d0709a6ebc8d9 Mon Sep 17 00:00:00 2001
From: ZhangXianQiang <1135831638@qq.com>
Date: 星期四, 18 四月 2024 16:37:10 +0800
Subject: [PATCH] feat:鼠标移入效果
---
src/views/screen/components/screen-map-three/experience/world/map.js | 141 ++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 133 insertions(+), 8 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 5620c65..d11c80b 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
@@ -4,18 +4,26 @@
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;
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.material = null;
+ this.camera = this.experience.camera;
+ this.provinceMeshList = [];
this.textureLoader = new THREE.TextureLoader();
this.setTexture();
this.operationData(mapData);
+ this.setLineHelper();
}
setTexture() {
const textureMap = this.textureLoader.load(textureMapImage);
@@ -29,7 +37,8 @@
textureMapFx.repeat.set(scale, scale);
this.topFaceMaterial = new THREE.MeshPhongMaterial({
map: textureMap,
- color: 0xb4eeea,
+ // color: 0xb4eeea,
+ color: 0xb3fffa,
combine: THREE.MultiplyOperation,
transparent: true,
opacity: 1,
@@ -46,8 +55,8 @@
* @param {*} jsondata 鍦板浘鏁版嵁
*/
operationData(jsondata) {
+ this.map = new THREE.Group();
- this.map = new THREE.Object3D();
// geo淇℃伅
const features = jsondata.features;
features.forEach((feature) => {
@@ -58,13 +67,13 @@
// 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);
+ this.provinceMeshList.push(mesh);
});
});
}
@@ -76,16 +85,20 @@
const mesh = this.drawExtrudeMesh(coordinate);
province.add(line);
province.add(mesh);
+ this.provinceMeshList.push(mesh);
});
}
+ // 鍚堝苟mesh
+ // const mergedGeometry = mergeGeometries(province.children,true);
+ province.isHover = false;
this.map.add(province);
});
- this.map.position.set(1, 1, 0.15);
+ this.map.position.set(1, 1, -1.5);
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);
+ this.scene.add(this.map);
+ console.log(this.map);
+ this.setMouseEvent();
}
/**
@@ -135,4 +148,116 @@
this.sideMaterial,
]);
}
+
+
+ setMouseEvent() {
+ this.mouseEvent = this.handleEvent.bind(this);
+ // this.experience.canvas.addEventListener("mousemove", this.throttle(this.mouseEvent,100));
+ 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;
+ }
+ })
+ }
+
+ resetAllAnimation() {
+ this.map.children.forEach((item) => {
+ this.resetAnimation(item);
+ })
+ }
+
+ 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);
+ }
+
+ 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;
+ }
}
\ No newline at end of file
--
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