<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>❤-小仙女</title>
<link rel="shortcut icon" href=" images/favicon.ico" />
<style>
*{margin:0; padding:0;}
body{ background-color: #1E1E1E; }
</style>
</head>
<body>
<canvas id="drawHeart"></canvas>
<script>
var hearts = [];
var canvas = document.getElementById('drawHeart');
var wW = window.innerWidth;
var wH = window.innerHeight;
// 创建画布
var ctx = canvas.getContext('2d');
// 创建图片对象
var heartImage = new Image();
heartImage.src = 'images/heart.svg';
var num = 100;
init();
window.addEventListener('resize', function(){
wW = window.innerWidth;
wH = window.innerHeight;
});
// 初始化画布大小
function init(){
canvas.width = wW;
canvas.height = wH;
for(var i = 0; i < num; i++){
hearts.push(new Heart(i%5));
}
requestAnimationFrame(render);
}
function getColor(){
var val = Math.random() * 10;
if(val > 0 && val <= 1){
return '#00f';
} else if(val > 1 && val <= 2){
return '#f00';
} else if(val > 2 && val <= 3){
return '#0f0';
} else if(val > 3 && val <= 4){
return '#368';
} else if(val > 4 && val <= 5){
return '#666';
} else if(val > 5 && val <= 6){
return '#333';
} else if(val > 6 && val <= 7){
return '#f50';
} else if(val > 7 && val <= 8){
return '#e96d5b';
} else if(val > 8 && val <= 9){
return '#5be9e9';
} else {
return '#d41d50';
}
}
function getText(){
var val = Math.random() * 10;
if(val > 1 && val <= 3){
return '爱你一辈子';
} else if(val > 3 && val <= 5){
return '感谢你';
} else if(val > 5 && val <= 8){
return '喜欢你';
} else{
return 'I Love You';
}
}
function Heart(type){
this.type = type;
// 初始化生成范围
this.x = Math.random() * wW;
this.y = Math.random() * wH;
this.opacity = Math.random() * .5 + .5;
// 偏移量
this.vel = {
x: (Math.random() - .5) * 5,
y: (Math.random() - .5) * 5
}
this.initialW = wW * .5;
this.initialH = wH * .5;
// 缩放比例
this.targetScale = Math.random() * .15 + .02; // 最小0.02
this.scale = Math.random() * this.targetScale;
// 文字位置
this.fx = Math.random() * wW;
this.fy = Math.random() * wH;
this.fs = Math.random() * 10;
this.text = getText();
this.fvel = {
x: (Math.random() - .5) * 5,
y: (Math.random() - .5) * 5,
f: (Math.random() - .5) * 2
}
}
Heart.prototype.draw = function(){
ctx.save();
ctx.globalAlpha = this.opacity;
ctx.drawImage(heartImage, this.x, this.y, this.width, this.height);
ctx.scale(this.scale + 1, this.scale + 1);
if(!this.type){
// 设置文字属性
ctx.fillStyle = getColor();
ctx.font = 'italic ' + this.fs + 'px sans-serif';
// 填充字符串
ctx.fillText(this.text, this.fx, this.fy);
}
ctx.restore();
}
Heart.prototype.update = function(){
this.x += this.vel.x;
this.y += this.vel.y;
if(this.x - this.width > wW || this.x + this.width < 0){
// 重新初始化位置
this.scale = 0;
this.x = Math.random() * wW;
this.y = Math.random() * wH;
}
if(this.y - this.height > wH || this.y + this.height < 0){
// 重新初始化位置
this.scale = 0;
this.x = Math.random() * wW;
this.y = Math.random() * wH;
}
// 放大
this.scale += (this.targetScale - this.scale) * .1;
this.height = this.scale * this.initialH;
this.width = this.height * 1.4;
// -----文字-----
this.fx += this.fvel.x;
this.fy += this.fvel.y;
this.fs += this.fvel.f;
if(this.fs > 50){
this.fs = 2;
}
if(this.fx - this.fs > wW || this.fx + this.fs < 0){
// 重新初始化位置
this.fx = Math.random() * wW;
this.fy = Math.random() * wH;
}
if(this.fy - this.fs > wH || this.fy + this.fs < 0){
// 重新初始化位置
this.fx = Math.random() * wW;
this.fy = Math.random() * wH;
}
}
function render(){
ctx.clearRect(0, 0, wW, wH);
for(var i = 0; i < hearts.length; i++){
hearts[i].draw();
hearts[i].update();
}
requestAnimationFrame(render);
}
</script>
</body>
</html>
程序员表白系列代码，快来下载吧
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2022-07-29
10:25:19
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收藏 225KB RAR 举报
loves.rar （13个子文件） 
loves css 
love.css 3KB images 
a8b.png 32KB html5.ico 66KB a8.png 8KB Thumbs.db 30KB
heart.svg 416B favicon.ico 9KB
aixin.html 4KB index.html 3KB js love.js 2KB lib jquery.min.js 81KB jquery.fireworks.js 186KB love.html 1KB
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