# 粒子特效
Bubbles
Confetti
Hearts
Fire
Lines
<body>
<div class="textcontainer">
<span class="particletext bubbles">Bubbles</span>
</div>
<div class="textcontainer">
<span class="particletext confetti">Confetti</span>
</div>
<div class="textcontainer">
<span class="particletext hearts">Hearts</span>
</div>
<div class="textcontainer">
<span class="particletext fire">Fire</span>
</div>
<div class="textcontainer">
<span class="particletext lines">Lines</span>
</div>
</body>
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<script>
bubbles()
confetti()
hearts()
fire()
lines()
function random(m, n) {
return Math.floor(Math.random() * (n - m + 1)) + m;
}
function append(parent, text) {
if (typeof text === 'string') {
var temp = document.createElement('div');
temp.innerHTML = text;
// 防止元素太多 进行提速
var frag = document.createDocumentFragment();
while (temp.firstChild) {
frag.appendChild(temp.firstChild);
}
parent.appendChild(frag);
} else {
parent.appendChild(text);
}
}
function bubbles() {
let bubbles = document.querySelector('.bubbles')
let num = bubbles.offsetWidth / 5;
let html = ''
for (let i = 0; i <= num; i++) {
let size = random(40, 80) / 10;
let color = 'rgba(33, 150, 243, 0.5)'
html += `
<span class="particle" style="width:${size}px;
height:${size}px;top:${ random(20,80)}%;left:${random(0,95)}%;background:${color};animation-delay:${random(0,30)/10}s"></span>
`
};
append(bubbles, html)
}
function confetti() {
let confetti = document.querySelector('.confetti')
let num = confetti.offsetWidth / 5;
let cols = ['#293b8b', '#ecf0f1', '#ececec', '#f5d76e', '#f4d03f'];
let html = ''
for (let i = 0; i <= num; i++) {
let color = cols[parseInt(Math.random() * cols.length)];
html += `
<span class="particle" style="width:${random(6, 8)}px;
height:${random(3, 4)}px;top:${ random(20,80)}%;left:${random(0,95)}%;background:${color};animation-delay:${random(0,30)/10}s"></span>
`
};
append(confetti, html)
}
function hearts() {
let hearts = document.querySelector('.hearts')
let num = hearts.offsetWidth / 5;
let size = (random(60, 120) / 10);
let html = ''
for (let i = 0; i <= num; i++) {
html += `
<span class="particle" style="width:${size}px;
height:${size}px;
top:${ random(20,80)}%;
left:${random(0,95)}%;
animation-delay:${random(0,30)/10}s"></span>
`
};
append(hearts, html)
}
function fire() {
let fire = document.querySelector('.fire')
let num = fire.offsetWidth / 5;
let size = random(8, 12);
let html = ''
for (let i = 0; i <= num; i++) {
html += `
<span class="particle" style="width:${size}px;
height:${size}px;
top:${ random(40,70)}%;
left:${random(-10,100)}%;
animation-delay:${random(0,30)/10}s"></span>
`
};
append(fire, html)
}
function lines() {
let lines = document.querySelector('.lines')
let num = lines.offsetWidth / 5;
let html = ''
for (let i = 0; i <= num; i++) {
html += `
<span class="particle" style="width:${random(1,3)}px;
height:${random(20,80)}px;
top:${ random(-30,30)}%;
left:${random(-10,110)}%;
animation-delay:${random(0,30)/10}s"></span>
`
};
append(lines, html)
}
</script>
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<style>
.textcontainer {
padding: 40px 0;
text-align: center;
}
.particletext {
text-align: center;
font-size: 48px;
position: relative;
}
.bubbles .particle {
opacity: 0;
position: absolute;
-webkit-animation: bubbles 3s ease-in infinite;
animation: bubbles 3s ease-in infinite;
border-radius: 100%;
}
.confetti .particle {
opacity: 0;
position: absolute;
-webkit-animation: confetti 3s ease-in infinite;
animation: confetti 3s ease-in infinite;
}
.hearts .particle {
opacity: 0;
position: absolute;
background-color: #cc2a5d;
-webkit-animation: hearts 3s ease-in infinite;
animation: hearts 3s ease-in infinite;
}
.hearts .particle:before {
-webkit-transform: translateX(-50%);
transform: translateX(-50%);
}
.hearts .particle:after {
-webkit-transform: translateY(-50%);
transform: translateY(-50%);
}
.hearts .particle:before,
.hearts .particle:after {
position: absolute;
content: '';
border-radius: 100px;
top: 0px;
left: 0px;
width: 100%;
height: 100%;
background-color: #cc2a5d;
}
.fire .particle {
position: absolute;
background-color: rgba(255, 193, 7, 0.5);
border-radius: 40px;
border-top-right-radius: 0px;
-webkit-animation: fires 1.8s linear infinite;
animation: fires 1.8s linear infinite;
-webkit-transform: rotate(-45deg);
transform: rotate(-45deg);
opacity: 0;
}
.fire .particle:before {
position: absolute;
content: '';
top: 60%;
left: 40%;
-webkit-transform: translate(-50%, -50%);
transform: translate(-50%, -50%);
width: 50%;
height: 50%;
border-radius: 40px;
border-top-right-radius: 0px;
background-color: rgba(251, 140, 0, 0.5);
}
.lines .particle {
position: absolute;
background-color: rgba(244, 67, 54, 0.5);
-webkit-animation: lines 3s linear infinite;
animation: lines 3s linear infinite;
}
@keyframes bubbles {
0% {
opacity: 0;
}
20% {
opacity: 1;
-webkit-transform: translate(0, -20%);
transform: translate(0, -20%);
}
100% {
opacity: 0;
-webkit-transform: translate(0, -1000%);
transform: translate(0, -1000%);
}
}
@keyframes confetti {
0% {
opacity: 0;
-webkit-transform: translateY(0%) rotate(0deg);
transform: translateY(0%) rotate(0deg);
}
10% {
opacity: 1;
}
35% {
-webkit-transform: translateY(-800%) rotate(270deg);
transform: translateY(-800%) rotate(270deg);
}
100% {
opacity: 0;
-webkit-transform: translateY(2000%) rotate(1440deg);
transform: translateY(2000%) rotate(1440deg);
}
}
@keyframes hearts {
0% {
opacity: 0;
-webkit-transform: translate(0, 0%) rotate(45deg);
transform: translate(0, 0%) rotate(45deg);
}
20% {
opacity: 0.8;
-webkit-transform: translate(0, -20%) rotate(45deg);
transform: translate(0, -20%) rotate(45deg);
}
100% {
opacity: 0;
-webkit-transform: translate(0, -1000%) rotate(45deg);
transform: translate(0, -1000%) rotate(45deg);
}
}
@keyframes fires {
0% {
-webkit-transform: rotate(-70deg) translateY(0%);
transform: rotate(-70deg) translateY(0%);
}
25% {
-webkit-transform: rotate(-20deg) translateY(-5%);
transform: rotate(-20deg) translateY(-5%);
opacity: 1;
}
50% {
-webkit-transform: rotate(-70deg) translateY(-10%);
transform: rotate(-70deg) translateY(-10%);
}
75% {
-webkit-transform: rotate(-20deg) translateY(-20%);
transform: rotate(-20deg) translateY(-20%);
}
100% {
-webkit-transform: rotate(-70deg) translateY(-40%);
transform: rotate(-70deg) translateY(-40%);
opacity: 1;
}
}
@keyframes lines {
0%,
50%,
100% {
-webkit-transform: translateY(0%);
transform: translateY(0%);
}
25% {
-webkit-transform: translateY(100%);
transform: translateY(100%);
}
75% {
-webkit-transform: translateY(-100%);
transform: translateY(-100%);
}
}
</style>
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