From d387848d15a40fb16c8a6eefb007d5f7411c5dbc Mon Sep 17 00:00:00 2001
From: ZhangXianQiang <1135831638@qq.com>
Date: 星期日, 28 四月 2024 13:32:27 +0800
Subject: [PATCH] fix:修改图片浏览组件
---
src/views/screen/components/screen-map-three/experience/world/map.js | 170 ++++++++++++++++++++++++++++++++++++++++++++++++--------
1 files changed, 144 insertions(+), 26 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 00cc026..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 { BufferGeometryUtils } from 'three/examples/jsm/utils/BufferGeometryUtils.js';
import gsap from 'gsap';
+
// 鍦板浘娣卞害
const MAP_DEPTH = 0.2;
@@ -17,12 +18,17 @@
export default class Map {
constructor(experience) {
this.experience = experience;
- this.scene = this.experience.scene;
- this.camera = this.experience.camera;
- this.material = null;
+ this.scene = experience.scene;
+ this.camera = experience.camera;
+
+ this.provinceMeshList = [];
+ this.labelList = [];
this.textureLoader = new THREE.TextureLoader();
this.setTexture();
this.operationData(mapData);
+ setTimeout(() => {
+ this.enterAnimation();
+ }, 500);
}
setTexture() {
const textureMap = this.textureLoader.load(textureMapImage);
@@ -54,8 +60,8 @@
* @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) => {
@@ -63,6 +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") {
@@ -72,6 +79,7 @@
const mesh = this.drawExtrudeMesh(rows);
province.add(line);
province.add(mesh);
+ this.provinceMeshList.push(mesh);
});
});
}
@@ -83,20 +91,19 @@
const mesh = this.drawExtrudeMesh(coordinate);
province.add(line);
province.add(mesh);
+ this.provinceMeshList.push(mesh);
});
}
- // 鍚堝苟鎴愪竴涓猰esh
- // const mergedGeometry = BufferGeometryUtils.mergeGeometries(province.children);
-
+ 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.container = new THREE.Object3D();
- // this.container.add(this.map);
this.scene.add(this.map);
- console.log(this.map);
+
this.setMouseEvent();
}
@@ -148,10 +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);
}
@@ -163,19 +185,23 @@
// console.log(this);
// return;
if (this.map) {
- const mouse = new THREE.Vector2();
- mouse.x = (e.clientX / window.innerWidth) * 2 - 1;
- mouse.y = -(e.clientY / window.innerHeight) * 2 + 1;
+ 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);
- const intersects = raycaster.intersectObjects(this.map.children, true);
+
+ let intersects = raycaster.intersectObjects(this.provinceMeshList, false);
+
if (intersects.length) {
- intersects.forEach((item) => {
- if (item.object)
- if (item.object.meshName === 'province') {
- console.log(item.object);
- this.animation(item.object);
- }
- });
+ let temp = intersects[0].object;
+ this.animation(temp.parent);
+ this.showLabel(temp.parent);
+ } else {
+ this.animation();
}
}
}
@@ -191,7 +217,99 @@
};
}
- animation(mesh) {
- console.log(mesh);
+ 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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