最近很火的跳动爱心代码HTML实现可DIY
看效果
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使用说明
- 主体代码来源于网络,让我们为原作者点赞👍
- 我用
css3的animate和@keyframes
帧动画加了一个跳动效果
.heart{animation: heart 1s infinite ease-in-out;}@keyframes heart{0%,
100%{transform:rotate(-2deg)scale(1);}50%{transform:rotate(2deg)scale(1.12);}}
- 可自行修改爱心颜色
context.fillStyle ="#dc4b61";//自定义爱心颜色
- 修改基础参数
var settings ={particles:{length:520,// 爱心数量duration:5,// 数值变大向内收缩velocity:100,// 移动速度effect:0.75,//正值外发散size:60,// 大小}}
- DIY输入自定义文字实现- 我用了一个简单的输入框和按钮实现
input {
font-size: 1.375rem;
color: #ff437b; /*这里修改文字颜色*/
text-align: center;
background: none;
}
<divclass="text_box"><inputtype="text"id="text"placeholder="送给你的那个[Ta]️"><buttonid="btn"onclick="fn()">❤️</button></div><script>functionfn(){var a1 = document.querySelector('#text');var btn = document.querySelector('#btn');
a1.style.border ='none';
btn.parentNode.removeChild(btn);//点击爱心后移除元素}</script>
- 其他效果背景/文字/图片 就看大家自由发挥了
源代码部分
<!DOCTYPEhtml><htmllang="zh"><head><metacharset="UTF-8"><metahttp-equiv="X-UA-Compatible"content="IE=edge"><title>DIY跳动爱心</title><style>*{padding: 0;margin: 0;}body{height: 600px;padding: 0;margin: 0;background: #000;display: flex;justify-content: center;align-items: center;}.container{width: 500px;height: 500px;position: relative;}canvas{z-index: 99;position: absolute;width: 500px;height: 500px;}.text_box{text-align: center;position: absolute;font-size: 1.125rem;top: 36%;left: 22%;color: #ff437b;z-index: 100;}input{font-size: 1.375rem;color: #ff437b;text-align: center;background: none;}button{font-size: 1.375rem;border: none;border-radius: 4px;}input::input-placeholder{color: #dc4b61;}input::-webkit-input-placeholder{color: #dc4b61;}.heart{animation: heart 1s infinite ease-in-out;}@keyframes heart{0%,
100%{transform:rotate(-2deg)scale(1);}50%{transform:rotate(2deg)scale(1.12);}}</style></head><body><divid="jsi-cherry-container"class="container "><!-- 爱心 --><canvasid="pinkboard"class="container heart"></canvas><!-- 输入你需要的文字 --><divclass="text_box"><inputtype="text"id="text"placeholder="送给你的那个[Ta]️"><buttonid="btn"onclick="fn()">❤️</button></div></div></body><scriptsrc="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script><script>functionfn(){var a1 = document.querySelector('#text');var btn = document.querySelector('#btn');
a1.style.border ='none';
btn.parentNode.removeChild(btn);
console.log("点关注不迷路!");}</script><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 ="#dc4b61";
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></html>
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本文转载自: https://blog.csdn.net/wuyou_w/article/details/127750669
版权归原作者 吾不图 所有, 如有侵权,请联系我们删除。
版权归原作者 吾不图 所有, 如有侵权,请联系我们删除。