李珣动态爱心代码教程

池鱼＆思故渊

2024-04-23 帮助1人

作为一个学计算机的小白，在网上看了人家写的代码，感觉是非常beatiful，在这给非计算机专业的兄弟们教一下怎么拿代码哄女朋友，不用安装任何软件，只要一台电脑欧克，俗话说行家看是傻子操作，外行一看，我nia nia 真他****厉害，废话不多，看下面傻瓜式教学

第一步，先在桌面建一个文本文档，随便写个名字，如图所示

学新通

第二步，打开此文档将下面代码复制粘进去

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>HTML5 Canvas爱心表白动画特效DEMO演示</title>
<style>
html, body {
height: 100%;
padding: 0;
margin: 0;
background: #000;
}
canvas {
width: 100%;
height: 100%;
}
</style>
</head>
<body>
<div style="text-align:center;clear:both;">
<script src="/gg_bd_ad_720x90.js" type="text/javascript"></script>
<script src="/follow.js" type="text/javascript"></script>
</div>
<canvas id="pinkboard"></canvas>
<script>
var settings = {
particles: {
length: 500,
duration: 2,
velocity: 100,
effect: -0.75,
size: 30,
},
};
(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=new Date().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)}}}());
var Point = (function() {
function Point(x, y) {
this.x = (typeof x !== 'undefined') ? x : 0;
this.y = (typeof y !== 'undefined') ? y : 0;
}
Point.prototype.clone = function() {
return new Point(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;
return this;
};
Point.prototype.normalize = function() {
var length = this.length();
this.x /= length;
this.y /= length;
return this;
};
return Point;
})();
var Particle = (function() {
function Particle() {
this.position = new Point();
this.velocity = new Point();
this.acceleration = new Point();
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) {
function ease(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;
})();
var ParticlePool = (function() {
var particles,
firstActive = 0,
firstFree = 0,
duration = settings.particles.duration;
function ParticlePool(length) {
particles = new Array(length);
for (var i = 0; i < particles.length; i )
particles[i] = new Particle();
}
ParticlePool.prototype.add = function(x, y, dx, dy) {
particles[firstFree].initialize(x, y, dx, dy);
firstFree ;
if (firstFree == particles.length) firstFree = 0;
if (firstActive == firstFree ) firstActive ;
if (firstActive == particles.length) firstActive = 0;
};
ParticlePool.prototype.update = function(deltaTime) {
var i;
if (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);
}
while (particles[firstActive].age >= duration && firstActive != firstFree) {
firstActive ;
if (firstActive == particles.length) firstActive = 0;
}
};
ParticlePool.prototype.draw = function(context, image) {
if (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;
})();
(function(canvas) {
var context = canvas.getContext('2d'),
particles = new ParticlePool(settings.particles.length),
particleRate = settings.particles.length / settings.particles.duration, // particles/sec
time;
function pointOnHeart(t) {
return new Point(
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
);
}
var image = (function() {
var canvas = document.createElement('canvas'),
context = canvas.getContext('2d');
canvas.width = settings.particles.size;
canvas.height = settings.particles.size;
function to(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;
}
context.beginPath();
var t = -Math.PI;
var point = to(t);
context.moveTo(point.x, point.y);
while (t < Math.PI) {
t = 0.01;
point = to(t);
context.lineTo(point.x, point.y);
}
context.closePath();
context.fillStyle = '#228B22';
context.fill();
var image = new Image();
image.src = canvas.toDataURL();
return image;
})();
function render() {
requestAnimationFrame(render);
var newTime = new Date().getTime() / 1000,
deltaTime = newTime - (time || newTime);
time = newTime;
context.clearRect(0, 0, canvas.width, canvas.height);
var 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);
}
particles.update(deltaTime);
particles.draw(context, image);
}
function onResize() {
canvas.width = canvas.clientWidth;
canvas.height = canvas.clientHeight;
}
window.onresize = onResize;
setTimeout(function() {
onResize();
render();
}, 10);
})(document.getElementById('pinkboard'));
</script>
<a href="https://nmdvd.top/vod-detail-id-40264.html" target="_blank">
<p>只要我没对象，你们得到的心就是绿的，</p>
<p>往上翻代码提示有粉色代码，点击这行字跳转高清影视观看点燃我，温暖我</p>
</a>
</br>
</br>
</br>
</body>
</html>

第三步，点击左上角文件，单击另存为，将文件名改为（你的文件名.html(一定要点点)）如我的（李珣爱心代码.html）,然后保存类型选择所有文件

学新通

保存完成后会出现浏览器图标，如下：

学新通

最后双击该图标，就可以看到你想看动态爱心啦

这篇好文章是转载于：学新通技术网

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