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

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