css通过sin与cos实现彩色粒子环绕动画效果代码
代码语言:html
所属分类:粒子
代码描述:css通过sin与cos实现彩色粒子环绕动画效果代码
下面为部分代码预览,完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<style>
/* Look, no Sass */
.particle {
/* Starting values */
--angle: (5 * var(--index));
--radius: 30;
--x: calc(sin(var(--angle)) * var(--radius) * 1vmin);
--y: calc(cos(var(--angle)) * var(--radius) * 1vmin);
/* Ending values */
/*
Had to move these outside the @keyframe and rename them
because Chrome was being weird
Bonusly, performance seems much better
*/
--angle2: calc(var(--index) * 1turn / var(--total));
--x2: calc(sin(var(--angle2)) * var(--radius) * 1vmin);
--y2: calc(cos(var(--angle2)) * var(--radius) * 1vmin);
--size: 5;
--speed: 3s;
--delay: calc(var(--index) * var(--speed) / var(--total) * 4);
--hue-angle: 10;
--hue-range: 60;
--hue-start: 20;
/* Animation */
-webkit-animation: animation var(--speed) ease-out infinite alternate var(--delay);
animation: animation var(--speed) ease-out infinite alternate var(--delay);
transform: translate3d(var(--x), var(--y), 0);
opacity: 0;
/* Particle styling */
border-radius: 50%;
background: currentColor;
color: oklch(75% 0.3
calc(
sin(var(--hue-angle) * var(--index))
* var(--hue-range)
+ var(--hue-start)
)
);
position: absolute;
width: calc(var(--size) * 0.1vmin);
height: calc(var(--size) * 0.1vmin);
contain: strict; /* Does this help or is translate3d already doing it*/
}
@-webkit-keyframes animation {
100% {
transform: translate3d(var(--x2), var(--y2), 0);
opacity: 1;
}
}
@keyframes animation {
100% {
transform: translate3d(var(--x2), var(--y2), 0);
opacity: 1;
}
}
/* Pen styling, ignore */
body {
background: #000;
display: flex;
min-height: 100vh;
justify-content: center;
align-content: center;
align-items: center;
overflow: hidden;
}
</style>
</head>
<body translate="no">
<div class="center" style="--total: 1080">
<div class="particle" style="--index: 1"></div>
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