HTML+CSS+JavaScript实现
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效果图
注:任意浏览器都可以,建议使用谷歌浏览器
代码部分
代码如下仅供参考
可以直接拿去复制粘贴
<!DOCTYPEhtml><html><head><title></title><scriptsrc="js/jquery.min.js"></script></head><style>*{padding: 0;margin: 0;}html,
body{height: 100%;padding: 0;margin: 0;background: #000;}.aa{position: fixed;left: 50%;bottom: 10px;color: #ccc;}.container{width: 100%;height: 100%;}canvas{z-index: 99;position: absolute;width: 100%;height: 100%;}</style><body><!-- 樱花 --><divid="jsi-cherry-container"class="container"><audioautoplay="autopaly"><sourcesrc="renxi.mp3"type="audio/mp3"/></audio><imgclass="img"src="./123.png"alt=""/><!-- 爱心 --><canvasid="pinkboard"class="container"></canvas></div></body></html><script>/*
* Settings
*/var settings ={particles:{length:500,// maximum amount of particlesduration:2,// particle duration in secvelocity:100,// particle velocity in pixels/seceffect:-0.75,// play with this for a nice effectsize:30,// particle size in pixels},};(function(){var b =0;var c =["ms","moz","webkit","o"];for(var a =0; a < c.length &&!window.requestAnimationFrame;++a){
window.requestAnimationFrame = window[c[a]+"RequestAnimationFrame"];
window.cancelAnimationFrame =
window[c[a]+"CancelAnimationFrame"]||
window[c[a]+"CancelRequestAnimationFrame"];}if(!window.requestAnimationFrame){
window.requestAnimationFrame=function(h, e){var d =newDate().getTime();var f = Math.max(0,16-(d - b));var g = window.setTimeout(function(){h(d + f);}, f);
b = d + f;return g;};}if(!window.cancelAnimationFrame){
window.cancelAnimationFrame=function(d){clearTimeout(d);};}})();/*
* Point class
*/var Point =(function(){functionPoint(x, y){this.x =typeof x !=="undefined"? x :0;this.y =typeof y !=="undefined"? y :0;}Point.prototype.clone=function(){returnnewPoint(this.x,this.y);};Point.prototype.length=function(length){if(typeof length =="undefined")return Math.sqrt(this.x *this.x +this.y *this.y);this.normalize();this.x *= length;this.y *= length;returnthis;};Point.prototype.normalize=function(){var length =this.length();this.x /= length;this.y /= length;returnthis;};return Point;})();/*
* Particle class
*/var Particle =(function(){functionParticle(){this.position =newPoint();this.velocity =newPoint();this.acceleration =newPoint();this.age =0;}Particle.prototype.initialize=function(x, y, dx, dy){this.position.x = x;this.position.y = y;this.velocity.x = dx;this.velocity.y = dy;this.acceleration.x = dx * settings.particles.effect;this.acceleration.y = dy * settings.particles.effect;this.age =0;};Particle.prototype.update=function(deltaTime){this.position.x +=this.velocity.x * deltaTime;this.position.y +=this.velocity.y * deltaTime;this.velocity.x +=this.acceleration.x * deltaTime;this.velocity.y +=this.acceleration.y * deltaTime;this.age += deltaTime;};Particle.prototype.draw=function(context, image){functionease(t){return--t * t * t +1;}var size = image.width *ease(this.age / settings.particles.duration);
context.globalAlpha =1-this.age / settings.particles.duration;
context.drawImage(
image,this.position.x - size /2,this.position.y - size /2,
size,
size
);};return Particle;})();/*
* ParticlePool class
*/var ParticlePool =(function(){var particles,
firstActive =0,
firstFree =0,
duration = settings.particles.duration;functionParticlePool(length){// create and populate particle pool
particles =newArray(length);for(var i =0; i < particles.length; i++)
particles[i]=newParticle();}ParticlePool.prototype.add=function(x, y, dx, dy){
particles[firstFree].initialize(x, y, dx, dy);// handle circular queue
firstFree++;if(firstFree == particles.length) firstFree =0;if(firstActive == firstFree) firstActive++;if(firstActive == particles.length) firstActive =0;};ParticlePool.prototype.update=function(deltaTime){var i;// update active particlesif(firstActive < firstFree){for(i = firstActive; i < firstFree; i++)
particles[i].update(deltaTime);}if(firstFree < firstActive){for(i = firstActive; i < particles.length; i++)
particles[i].update(deltaTime);for(i =0; i < firstFree; i++) particles[i].update(deltaTime);}// remove inactive particleswhile(
particles[firstActive].age >= duration &&
firstActive != firstFree
){
firstActive++;if(firstActive == particles.length) firstActive =0;}};ParticlePool.prototype.draw=function(context, image){// draw active particlesif(firstActive < firstFree){for(i = firstActive; i < firstFree; i++)
particles[i].draw(context, image);}if(firstFree < firstActive){for(i = firstActive; i < particles.length; i++)
particles[i].draw(context, image);for(i =0; i < firstFree; i++) particles[i].draw(context, image);}};return ParticlePool;})();/*
* Putting it all together
*/(function(canvas){var context = canvas.getContext("2d"),
particles =newParticlePool(settings.particles.length),
particleRate =
settings.particles.length / settings.particles.duration,// particles/sec
time;// get point on heart with -PI <= t <= PIfunctionpointOnHeart(t){returnnewPoint(160* Math.pow(Math.sin(t),3),130* Math.cos(t)-50* Math.cos(2* t)-20* Math.cos(3* t)-10* Math.cos(4* t)+25);}// creating the particle image using a dummy canvasvar image =(function(){var canvas = document.createElement("canvas"),
context = canvas.getContext("2d");
canvas.width = settings.particles.size;
canvas.height = settings.particles.size;// helper function to create the pathfunctionto(t){var point =pointOnHeart(t);
point.x =
settings.particles.size /2+(point.x * settings.particles.size)/350;
point.y =
settings.particles.size /2-(point.y * settings.particles.size)/350;return point;}// create the path
context.beginPath();var t =-Math.PI;var point =to(t);
context.moveTo(point.x, point.y);while(t < Math.PI){
t +=0.01;// baby steps!
point =to(t);
context.lineTo(point.x, point.y);}
context.closePath();// create the fill
context.fillStyle ="#ea80b0";
context.fill();// create the imagevar image =newImage();
image.src = canvas.toDataURL();return image;})();// render that thing!functionrender(){// next animation framerequestAnimationFrame(render);// update timevar newTime =newDate().getTime()/1000,
deltaTime = newTime -(time || newTime);
time = newTime;// clear canvas
context.clearRect(0,0, canvas.width, canvas.height);// create new particlesvar amount = particleRate * deltaTime;for(var i =0; i < amount; i++){var pos =pointOnHeart(Math.PI-2* Math.PI* Math.random());var dir = pos.clone().length(settings.particles.velocity);
particles.add(
canvas.width /2+ pos.x,
canvas.height /2- pos.y,
dir.x,-dir.y
);}// update and draw particles
particles.update(deltaTime);
particles.draw(context, image);}// handle (re-)sizing of the canvasfunctiononResize(){
canvas.width = canvas.clientWidth;
canvas.height = canvas.clientHeight;}
window.onresize = onResize;// delay rendering bootstrapsetTimeout(function(){onResize();render();},10);})(document.getElementById("pinkboard"));</script><script>varRENDERER={INIT_CHERRY_BLOSSOM_COUNT:30,MAX_ADDING_INTERVAL:10,init:function(){this.setParameters();this.reconstructMethods();this.createCherries();this.render();if(
navigator.userAgent.match(/(phone|pod|iPhone|iPod|ios|Android|Mobile|BlackBerry|IEMobile|MQQBrowser|JUC|Fennec|wOSBrowser|BrowserNG|WebOS|Symbian|Windows Phone)/i)){// var box = document.querySelectorAll(".box")[0];// console.log(box, "移动端");// box.style.marginTop = "65%";}},setParameters:function(){this.$container =$("#jsi-cherry-container");this.width =this.$container.width();this.height =this.$container.height();this.context =$("<canvas />").attr({width:this.width,height:this.height }).appendTo(this.$container).get(0)var rate =this.FOCUS_POSITION/(this.z +this.FOCUS_POSITION),
x =this.renderer.width /2+this.x * rate,
y =this.renderer.height /2-this.y * rate;return{rate: rate,x: x,y: y };},
re
}}else{this.phi += Math.PI/(axis.y ==this.thresholdY ?200:500);this.phi %= Math.PI;}if(this.y <=-this.renderer.height *this.SURFACE_RATE){this.x +=2;this.y =-this.renderer.height *this.SURFACE_RATE;}else{this.x +=this.vx;this.y +=this.vy;}return(this.z >-this.FOCUS_POSITION&&this.z <this.FAR_LIMIT&&this.x <this.renderer.width *1.5);},};$(function(){RENDERER.init();});</script>
本文转载自: https://blog.csdn.net/Su_mer/article/details/127154474
版权归原作者 挽㫨 所有， 如有侵权，请联系我们删除。
版权归原作者 挽㫨 所有， 如有侵权，请联系我们删除。