梓潼移动网站建设,大连企业网站建设定制,淘宝seo排名优化,深圳建筑设计院排名#x1f345; 作者主页#xff1a;Java李杨勇 #x1f345; 简介#xff1a;Java领域优质创作者#x1f3c6;、Java李杨勇公号作者✌ 简历模板、学习资料、面试题库、技术互助【关注我#xff0c;都给你】 #x1f345; 欢迎点赞 #x1f44d; 收藏 ⭐留言 #x1f… 作者主页Java李杨勇 简介Java领域优质创作者、Java李杨勇公号作者✌ 简历模板、学习资料、面试题库、技术互助【关注我都给你】 欢迎点赞 收藏 ⭐留言 效果演示 文末获取源码 代码目录 主要代码实现 CSS样式 body {font-family: Monospace;background-color: #f0f0f0;margin: 0px;overflow: hidden;}
HTML代码 :
scriptvar container;var camera, scene, renderer;var group, text, plane;var targetRotation 0;var targetRotationOnMouseDown 0;var mouseX 0;var mouseXOnMouseDown 0;var windowHalfX window.innerWidth / 2;var windowHalfY window.innerHeight / 2;var heartShape, particleCloud, sparksEmitter, emitterPos;var _rotation 0;var timeOnShapePath 0;init();animate();function init() {container document.createElement(div);document.body.appendChild(container);//相机camera new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 1, 1000);camera.position.set(0, 150, 800);//场景scene new THREE.Scene();group new THREE.Group();scene.add(group);// Get text from hashvar string xiaorui;var hash document.location.hash.substr(1);if (hash.length ! 0) {string hash;}var text3d new THREE.TextGeometry(string, {size: 80,height: 20,curveSegments: 2,font: helvetiker});text3d.computeBoundingBox();var centerOffset -0.5 * (text3d.boundingBox.max.x - text3d.boundingBox.min.x);var textMaterial new THREE.MeshBasicMaterial({color: Math.random() * 0xffffff,overdraw: 0.5});text new THREE.Mesh(text3d, textMaterial);// Potentially, we can extract the vertices or faces of the text to generate particles too.// Geo Vertices Positiontext.position.x centerOffset;text.position.y 100;text.position.z 0;text.rotation.x 0;text.rotation.y Math.PI * 2;group.add(text);particleCloud new THREE.Object3D(); // Just a groupparticleCloud.y 800;group.add(particleCloud);// Create Particle Systems// Heartvar x 0,y 0;heartShape new THREE.Shape();heartShape.moveTo(x 25, y 25);heartShape.bezierCurveTo(x 25, y 25, x 20, y, x, y);heartShape.bezierCurveTo(x - 30, y, x - 30, y 35, x - 30, y 35);heartShape.bezierCurveTo(x - 30, y 55, x - 10, y 77, x 25, y 95);heartShape.bezierCurveTo(x 60, y 77, x 80, y 55, x 80, y 35);heartShape.bezierCurveTo(x 80, y 35, x 80, y, x 50, y);heartShape.bezierCurveTo(x 35, y, x 25, y 25, x 25, y 25);var hue 0;var hearts function(context) {context.globalAlpha 0.5;var x 0,y 0;context.scale(0.05, -0.05); // Scale so canvas render can redraw within boundscontext.beginPath();// From http://blog.burlock.org/html5/130-pathscontext.bezierCurveTo(x 2.5, y 2.5, x 2.0, y, x, y);context.bezierCurveTo(x - 3.0, y, x - 3.0, y 3.5, x - 3.0, y 3.5);context.bezierCurveTo(x - 3.0, y 5.5, x - 1.0, y 7.7, x 2.5, y 9.5);context.bezierCurveTo(x 6.0, y 7.7, x 8.0, y 5.5, x 8.0, y 3.5);context.bezierCurveTo(x 8.0, y 3.5, x 8.0, y, x 5.0, y);context.bezierCurveTo(x 3.5, y, x 2.5, y 2.5, x 2.5, y 2.5);context.fill();context.lineWidth 0.5; //0.05context.stroke();}var setTargetParticle function() {var material new THREE.SpriteCanvasMaterial({program: hearts});material.color.setHSL(hue, 1, 0.75);hue 0.001;if (hue 1)hue - 1;particle new THREE.Sprite(material);particle.scale.x particle.scale.y Math.random() * 40 40;particleCloud.add(particle);return particle;};var onParticleCreated function(p) {p.target.position.copy(p.position);};var onParticleDead function(particle) {particle.target.visible false;particleCloud.remove(particle.target);};sparksEmitter new SPARKS.Emitter(new SPARKS.SteadyCounter(160));emitterpos new THREE.Vector3();sparksEmitter.addInitializer(new SPARKS.Position(new SPARKS.PointZone(emitterpos)));sparksEmitter.addInitializer(new SPARKS.Lifetime(0, 2));sparksEmitter.addInitializer(new SPARKS.Target(null, setTargetParticle));sparksEmitter.addInitializer(new SPARKS.Velocity(new SPARKS.PointZone(new THREE.Vector3(0, -50, 10))));// TOTRY Set velocity to move away from centroidsparksEmitter.addAction(new SPARKS.Age());//sparksEmitter.addAction(new SPARKS.Accelerate(0.2));sparksEmitter.addAction(new SPARKS.Move());sparksEmitter.addAction(new SPARKS.RandomDrift(50, 50, 2000));sparksEmitter.addCallback(created, onParticleCreated);sparksEmitter.addCallback(dead, onParticleDead);sparksEmitter.addCallback(updated, function(particle) {particle.target.position.copy(particle.position);});sparksEmitter.start();// End Particlesrenderer new THREE.CanvasRenderer();renderer.setClearColor(0xf0f0f0);renderer.setPixelRatio(window.devicePixelRatio);renderer.setSize(window.innerWidth, window.innerHeight);container.appendChild(renderer.domElement);document.addEventListener(mousedown, onDocumentMouseDown, false);document.addEventListener(touchstart, onDocumentTouchStart, false);document.addEventListener(touchmove, onDocumentTouchMove, false);//window.addEventListener(resize, onWindowResize, false);}function onWindowResize() {windowHalfX window.innerWidth / 2;windowHalfY window.innerHeight / 2;camera.aspect window.innerWidth / window.innerHeight;camera.updateProjectionMatrix();renderer.setSize(window.innerWidth, window.innerHeight);}//document.addEventListener(mousemove, onDocumentMouseMove, false);function onDocumentMouseDown(event) {event.preventDefault();mouseXOnMouseDown event.clientX - windowHalfX;targetRotationOnMouseDown targetRotation;if (sparksEmitter.isRunning()) {sparksEmitter.stop();} else {sparksEmitter.start();}}function onDocumentMouseMove(event) {mouseX event.clientX - windowHalfX;targetRotation targetRotationOnMouseDown (mouseX - mouseXOnMouseDown) * 0.02;}function onDocumentTouchStart(event) {if (event.touches.length 1) {event.preventDefault();mouseXOnMouseDown event.touches[0].pageX - windowHalfX;targetRotationOnMouseDown targetRotation;}}function onDocumentTouchMove(event) {if (event.touches.length 1) {event.preventDefault();mouseX event.touches[0].pageX - windowHalfX;targetRotation targetRotationOnMouseDown (mouseX - mouseXOnMouseDown) * 0.05;}}//function animate() { //更新场景requestAnimationFrame(animate);render();}function render() {timeOnShapePath 0.0337;if (timeOnShapePath 1)timeOnShapePath - 1;// TODO Create a PointOnShape Action/Zone in the particle enginevar pointOnShape heartShape.getPointAt(timeOnShapePath);emitterpos.x pointOnShape.x * 5 - 100;emitterpos.y -pointOnShape.y * 5 400;// Pretty cool effect if you enable this// particleCloud.rotation.y 0.05;group.rotation.y (targetRotation - group.rotation.y) * 0.05;renderer.render(scene, camera);}/script上面的JS文件需要引入 源码获取 大家可以点赞、收藏、关注、评论我啦 、查看博主主页或下方微信公众号获取~ 打卡 文章 更新 44 / 100天 精彩推荐更新中 HTML5大作业实战案例《100套》 Java毕设项目精品实战案例《100套》
