一、源码
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<script src="https://www.jq22.com/jquery/jquery-1.10.2.js"></script>
<style type="text/css">
@import url("https://fonts.googleapis.com/css?family=Montserrat:200,300,400,600");
.more-pens {
position: fixed;
left: 20px;
bottom: 20px;
z-index: 10;
font-family: "Montserrat";
font-size: 12px;
}
a.white-mode,
a.white-mode:link,
a.white-mode:visited,
a.white-mode:active {
font-family: "Montserrat";
font-size: 12px;
text-decoration: none;
/* background: #212121; */
padding: 4px 8px;
color: #f7f7f7;
}
a.white-mode:hover,
a.white-mode:link:hover,
a.white-mode:visited:hover,
a.white-mode:active:hover {
background: #edf3f8;
color: #212121;
}
.title {
z-index: 9999 !important;
position: absolute;
left: 50%;
top: 42%;
transform: translateX(-50%) translateY(-50%);
font-family: "Montserrat";
text-align: center;
width: 100%;
}
.title h1 {
z-index: 99;
position: relative;
color: #fff;
font-weight: 100;
font-size: 70px;
padding: 0;
margin: 0;
line-height: 1;
text-shadow: 0 0 10px #ff006c, 0 0 20px #ff006c, 0 0 30px #ff006c,
0 0 40px #ff417d, 0 0 70px #ff417d, 0 0 80px #ff417d,
0 0 100px #ff417d, 0 0 150px #ff417d;
}
.title h1 span {
z-index: 99;
font-weight: 600;
padding: 0;
margin: 0;
color: #ffffff;
}
.title h3 {
z-index: 99;
font-weight: 200;
font-size: 26px;
padding: 0;
margin: 0;
line-height: 1;
color: #ffffff;
letter-spacing: 2px;
}
/* 爱心css */
canvas {
position: absolute;
width: 100%;
height: 100%;
}
.img {
position: absolute;
left: 50%;
top: 60%;
transform: translate(-50%, -50%);
width: 180px; /* 160 */
height: 180px;
}
#pinkboard {
position: relative;
top: 0%;
left: 0%;
height: 429px;
}
.STARDUST1 {
position: relative !important;
top: -60px;
}
.STARDUST2 {
position: relative !important;
top: -40px;
}
.STARDUST3 {
position: relative !important;
top: -20px;
}
/* 星空css */
html,
body {
padding: 0px;
margin: 0px;
width: 100%;
height: 100%;
position: fixed;
}
body {
display: flex;
justify-content: center;
align-items: center;
-webkit-filter: contrast(120%);
filter: contrast(120%);
background-image: radial-gradient(
1600px at 70% 120%,
rgba(33, 39, 80, 1) 10%,
#020409 100%
) !important;
/* background-color: black; */
}
.container2 {
/* z-index: 8; */
position: absolute;
width: 100%;
height: 100%;
background-image: radial-gradient(
1600px at 70% 120%,
rgba(33, 39, 80, 1) 10%,
#020409 100%
) !important;
}
.content {
width: inherit;
height: inherit;
width: 100%;
height: 100%;
background-image: radial-gradient(
1600px at 70% 120%,
rgba(33, 39, 80, 1) 10%,
#020409 100%
) !important;
}
#universe {
width: 100%;
height: 100%;
}
#footerContent {
font-family: sans-serif;
font-size: 110%;
color: rgba(200, 220, 255, 0.3);
width: 100%;
position: fixed;
bottom: 0px;
padding: 20px;
text-align: center;
z-index: 20;
}
/* #footer {
position: absolute;
bottom: 0px;
height: 300px;
width: 100%;
} */
#scene {
height: 100%;
position: absolute;
left: 50%;
margin-left: -800px;
}
a {
text-decoration: none;
color: rgba(200, 220, 255, 1);
opacity: 0.4;
transition: opacity 0.4s ease;
}
a:hover {
opacity: 1;
}
</style>
</head>
<body>
<audio autoplay="autopaly">
<source src="renxi.mp3" type="audio/mp3" />
</audio>
<!-- 星空html -->
<!-- <div> -->
<div class="container2">
<div class="content">
<canvas id="universe"></canvas>
</div>
</div>
<!-- </div> -->
<div class="title">
<!-- 星团文字html -->
<h3 class="STARDUST1"> 1999年6月6日 - 永远</h3>
<h1 class="STARDUST2">小花-相遇是缘</h1>
<h3 class="STARDUST3">L O V E <strong>❤</strong> Y O U</h3>
<!-- 爱心html -->
<img class="img" src="Image/37.jpg" alt="" />
<canvas id="pinkboard"> </canvas>
</div>
</body>
<!-- 星团js -->
<script>
let particles = [];
let microparticles = [];
const c1 = createCanvas({
width: $(window).width(),
height: $(window).height(),
});
const tela = c1.canvas;
const canvas = c1.context;
// $("body").append(tela);
$("body").append(c1.canvas);
class Particle1 {
constructor(canvas) {
this.random = Math.random();
this.random1 = Math.random();
this.random2 = Math.random();
this.progress = 0;
this.canvas = canvas;
this.life = 1000 + Math.random() * 3000;
this.x =
$(window).width() / 2 + (Math.random() * 20 - Math.random() * 20);
this.y = $(window).height();
this.s = 2 + Math.random();
this.w = $(window).width();
this.h = $(window).height();
this.direction = this.random > 0.5 ? -1 : 1;
this.radius = 1 + 3 * this.random;
this.color = "#ff417d";
this.ID = setInterval(
function () {
microparticles.push(
new microParticle(c1.context, {
x: this.x,
y: this.y,
})
);
}.bind(this),
this.random * 20
);
setTimeout(
function () {
clearInterval(this.ID);
}.bind(this),
this.life
);
}
render() {
this.canvas.beginPath();
this.canvas.arc(this.x, this.y, this.radius, 0, 2 * Math.PI);
// this.canvas.lineWidth = 2;
this.canvas.shadowOffsetX = 0;
this.canvas.shadowOffsetY = 0;
// this.canvas.shadowBlur = 6;
this.canvas.shadowColor = "#000000";
this.canvas.fillStyle = this.color;
this.canvas.fill();
this.canvas.closePath();
}
move() {
this.x -=
this.direction *
Math.sin(this.progress / (this.random1 * 430)) *
this.s;
this.y -= Math.cos(this.progress / this.h) * this.s;
if (this.x < 0 || this.x > this.w - this.radius) {
clearInterval(this.ID);
return false;
}
if (this.y < 0) {
clearInterval(this.ID);
return false;
}
this.render();
this.progress++;
return true;
}
}
class microParticle {
constructor(canvas, options) {
this.random = Math.random();
this.random1 = Math.random();
this.random2 = Math.random();
this.progress = 0;
this.canvas = canvas;
this.x = options.x;
this.y = options.y;
this.s = 2 + Math.random() * 3;
this.w = $(window).width();
this.h = $(window).height();
this.radius = 1 + this.random * 0.5;
this.color = "#4EFCFE"; //this.random > .5 ? "#a9722c" : "#FFFED7"
}
render() {
this.canvas.beginPath();
this.canvas.arc(this.x, this.y, this.radius, 0, 2 * Math.PI);
this.canvas.lineWidth = 2;
this.canvas.fillStyle = this.color;
this.canvas.fill();
this.canvas.closePath();
}
move() {
this.x -=
Math.sin(this.progress / (100 / (this.random1 - this.random2 * 10))) *
this.s;
this.y += Math.cos(this.progress / this.h) * this.s;
if (this.x < 0 || this.x > this.w - this.radius) {
return false;
}
if (this.y > this.h) {
return false;
}
this.render();
this.progress++;
return true;
}
}
var random_life = 1000;
setInterval(
function () {
particles.push(new Particle1(canvas));
random_life = 2000 * Math.random();
}.bind(this),
random_life
);
function clear() {
let grd = canvas.createRadialGradient(
tela.width / 2,
tela.height / 2,
0,
tela.width / 2,
tela.height / 2,
tela.width
);
grd.addColorStop(0, "rgba(20,20,20,1)");
grd.addColorStop(1, "rgba(0,0,0,0)");
// Fill with gradient
canvas.globalAlpha = 0.16;
canvas.fillStyle = grd;
canvas.fillRect(0, 0, tela.width, tela.height);
}
function blur(ctx, canvas, amt) {
// ctx.filter = `blur(${amt}px)`
// ctx.drawImage(canvas, 0, 0)
// ctx.filter = 'none'
}
function update() {
clear();
particles = particles.filter(function (p) {
return p.move();
});
microparticles = microparticles.filter(function (mp) {
return mp.move();
});
requestAnimationFrame(update.bind(this));
}
function createCanvas(properties) {
let canvas = document.createElement("canvas");
canvas.width = properties.width;
// canvas.style.zIndex = 999;
canvas.height = properties.height;
let context = canvas.getContext("2d");
return {
canvas: canvas,
context: context,
};
}
update();
</script>
<!--爱心js -->
<script>
/*
* Settings
*/
var settings = {
particles: {
length: 500, // maximum amount of particles
duration: 2, // particle duration in sec
velocity: 100, // particle velocity in pixels/sec
effect: -0.75, // play with this for a nice effect
size: 30, // particle size in pixels
},
};
/*
* RequestAnimationFrame polyfill by Erik M?ller
*/
(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);
};
}
})();
/*
* Point class
*/
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;
})();
/*
* Particle class
*/
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;
})();
/*
* ParticlePool class
*/
var ParticlePool = (function () {
var particles,
firstActive = 0,
firstFree = 0,
duration = settings.particles.duration;
function ParticlePool(length) {
// create and populate particle pool
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);
// 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 particles
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);
}
// remove inactive particles
while (
particles[firstActive].age >= duration &&
firstActive != firstFree
) {
firstActive++;
if (firstActive == particles.length) firstActive = 0;
}
};
ParticlePool.prototype.draw = function (context, image) {
// draw active particles
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;
})();
/*
* Putting it all together
*/
(function (canvas) {
var context = canvas.getContext("2d"),
particles = new ParticlePool(settings.particles.length),
particleRate = settings.particles.length / settings.particles.duration, // particles/sec
time;
// get point on heart with -PI <= t <= PI
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
);
}
// creating the particle image using a dummy canvas
var 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 path
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;
}
// 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 image
var image = new Image();
image.src = canvas.toDataURL();
return image;
})();
// render that thing!
function render() {
// next animation frame
requestAnimationFrame(render);
// update time
var newTime = new Date().getTime() / 1000,
deltaTime = newTime - (time || newTime);
time = newTime;
// clear canvas
context.clearRect(0, 0, canvas.width, canvas.height);
// create new particles
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
);
}
// update and draw particles
particles.update(deltaTime);
particles.draw(context, image);
}
// handle (re-)sizing of the canvas
function onResize() {
canvas.width = canvas.clientWidth;
canvas.height = canvas.clientHeight;
}
window.onresize = onResize;
// delay rendering bootstrap
setTimeout(function () {
onResize();
render();
}, 10);
})(document.getElementById("pinkboard"));
</script>
<!-- 星空js -->
<script>
window.requestAnimationFrame =
window.requestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.msRequestAnimationFrame;
var starDensity = 0.216;
var speedCoeff = 0.05;
var width;
var height;
var starCount;
var circleRadius;
var circleCenter;
var first = true;
var giantColor = "180,184,240";
var starColor = "226,225,142";
var cometColor = "226,225,224";
var canva = document.getElementById("universe");
canva.style.zIndex = 200;
var stars = [];
windowResizeHandler();
window.addEventListener("resize", windowResizeHandler, false);
createUniverse();
function createUniverse() {
universe = canva.getContext("2d");
for (var i = 0; i < starCount; i++) {
stars[i] = new Star();
stars[i].reset();
}
draw();
}
function draw() {
universe.clearRect(0, 0, width, height);
var starsLength = stars.length;
for (var i = 0; i < starsLength; i++) {
var star = stars[i];
star.move();
star.fadeIn();
star.fadeOut();
star.draw();
}
window.requestAnimationFrame(draw);
}
function Star() {
this.reset = function () {
this.giant = getProbability(3);
this.comet = this.giant || first ? false : getProbability(10);
this.x = getRandInterval(0, width - 10);
this.y = getRandInterval(0, height);
this.r = getRandInterval(1.1, 2.6);
this.dx =
getRandInterval(speedCoeff, 6 * speedCoeff) +
(this.comet + 1 - 1) * speedCoeff * getRandInterval(50, 120) +
speedCoeff * 2;
this.dy =
-getRandInterval(speedCoeff, 6 * speedCoeff) -
(this.comet + 1 - 1) * speedCoeff * getRandInterval(50, 120);
this.fadingOut = null;
this.fadingIn = true;
this.opacity = 0;
this.opacityTresh = getRandInterval(
0.2,
1 - (this.comet + 1 - 1) * 0.4
);
this.do = getRandInterval(0.0005, 0.002) + (this.comet + 1 - 1) * 0.001;
};
this.fadeIn = function () {
if (this.fadingIn) {
this.fadingIn = this.opacity > this.opacityTresh ? false : true;
this.opacity += this.do;
}
};
this.fadeOut = function () {
if (this.fadingOut) {
this.fadingOut = this.opacity < 0 ? false : true;
this.opacity -= this.do / 2;
if (this.x > width || this.y < 0) {
this.fadingOut = false;
this.reset();
}
}
};
this.draw = function () {
universe.beginPath();
if (this.giant) {
universe.fillStyle = "rgba(" + giantColor + "," + this.opacity + ")";
universe.arc(this.x, this.y, 2, 0, 2 * Math.PI, false);
} else if (this.comet) {
universe.fillStyle = "rgba(" + cometColor + "," + this.opacity + ")";
universe.arc(this.x, this.y, 1.5, 0, 2 * Math.PI, false);
//comet tail
for (var i = 0; i < 30; i++) {
universe.fillStyle =
"rgba(" +
cometColor +
"," +
(this.opacity - (this.opacity / 20) * i) +
")";
universe.rect(
this.x - (this.dx / 4) * i,
this.y - (this.dy / 4) * i - 2,
2,
2
);
universe.fill();
}
} else {
universe.fillStyle = "rgba(" + starColor + "," + this.opacity + ")";
universe.rect(this.x, this.y, this.r, this.r);
}
universe.closePath();
universe.fill();
};
this.move = function () {
this.x += this.dx;
this.y += this.dy;
if (this.fadingOut === false) {
this.reset();
}
if (this.x > width - width / 4 || this.y < 0) {
this.fadingOut = true;
}
};
(function () {
setTimeout(function () {
first = false;
}, 50);
})();
}
function getProbability(percents) {
return Math.floor(Math.random() * 1000) + 1 < percents * 10;
}
function getRandInterval(min, max) {
return Math.random() * (max - min) + min;
}
function windowResizeHandler() {
width = window.innerWidth;
height = window.innerHeight;
starCount = width * starDensity;
circleRadius = width > height ? height / 2 : width / 2;
circleCenter = {
x: width / 2,
y: height / 2,
};
canva.setAttribute("width", width);
canva.setAttribute("height", height);
}
</script>
</html>
二、运行效果
