feat:入场动画

ZhangXianQiang

2024-04-18 1edfee5cc92ade87c31c3dd0a88f3bc6b48db568

 src/views/screen/components/screen-map-three/experience/world/map.js

@@ -4,9 +4,9 @@

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';

// 地图深度
const MAP_DEPTH = 0.2;

@@ -23,7 +23,9 @@
        this.textureLoader = new THREE.TextureLoader();
        this.setTexture();
        this.operationData(mapData);
        this.setLineHelper();
        setTimeout(() => {
            this.enterAnimation();
        }, 500);
    }
    setTexture() {
        const textureMap = this.textureLoader.load(textureMapImage);
@@ -88,16 +90,14 @@
                    this.provinceMeshList.push(mesh);
                });
            }
            // 合并mesh
            // const mergedGeometry = mergeGeometries(province.children,true);
            province.isHover = false;
            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();
    }

@@ -152,7 +152,6 @@

    setMouseEvent() {
        this.mouseEvent = this.handleEvent.bind(this);
        // this.experience.canvas.addEventListener("mousemove", this.throttle(this.mouseEvent,100));
        this.experience.canvas.addEventListener("mousemove", this.mouseEvent);
    }

@@ -232,32 +231,11 @@
        })
    }

    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;
    enterAnimation() {
        gsap.to(this.map.scale, {
            z: 10,
            duration: 0.6,
            ease: 'power1.out'
        })
    }
}