👏渐变+伪元素实现流星,translateY实现划过动画,速速来Get吧~
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translateY():
translateY() 在页面垂直移动元素。
translateY(ty) 对应 translate(0, ty) 或translate3d(0, ty, 0)。
rotate():
rotate() 函数定义了一种将元素围绕一个定点(由transform-origin属性指定)旋转而不变形的转换。指定的角度定义了旋转的量度。若角度为正,则顺时针方向旋转,否则逆时针方向旋转。旋转 180° 也被称为点反射。

background-position:
CSS 属性为每一个背景图片设置初始位置。这个位置是相对于由 background-origin 定义的位置图层的。

width: 5px;
height: 85px;
background: linear-gradient(0deg, orange 0, red 100%);

background: linear-gradient(0deg, orange 0, transparent 100%);

content: "";
position: absolute;
width: 14px;
height: 14px;
border-radius: 50%;
background: orange;
filter: blur(1.8px);
bottom: -6px;
left: 50%;
transform: translate(-50%);

transform: rotate(45deg);

!!!注意:以下代码基于vue
lineList: [{c1: "#69E4F6",c2: "#69e4f600",l: "0px",d: 3,},{c1: "#FED258",c2: "rgba(254,210,88,0)",l: "60px",d: 5,},{c1: "#FED258",c2: "rgba(254,210,88,0)",r: "72px",d: 2,},{c1: "#69E4F6",c2: "#69e4f600",r: "30px",d: 0,},{c1: "#69E4F6",c2: "#69e4f600",r: "41px",d: 1,},{c1: "#69E4F6",c2: "#69e4f600",l: "105px",d: 4,},{c1: "#FED258",c2: "rgba(254,210,88,0)",l: "30px",d: 2,},{c1: "#FED258",c2: "rgba(254,210,88,0)",r: "111px",d: 5,},{c1: "#69E4F6",c2: "#69e4f600",r: "2px",d: 3,},],
'--c1':item.c1,'--c2':item.c2,'--l':item.l,'--d':item.d,'--r':item.r}">
.line-item {width: 2px;height: 33px;background: linear-gradient(0deg, var(--c1) 0%, var(--c2) 100%);position: absolute;top: 0;transform: rotate(45deg);left: var(--l);right: var(--r);
}.line-item::after {content: "";position: absolute;width: 7px;height: 7px;border-radius: 50%;background: var(--c1);filter: blur(1.8px);box-shadow: 0px -1px -1px 5px var(--c2);bottom: -4px;left: 50%;transform: translate(-50%);
}

.line-item{+ opacity: 0;
}

@keyframes shank {0% {transform: rotate(45deg) translateY(-100px) scale(0.5);opacity: 0;}70% {opacity: 1;transform: rotate(45deg) translateY(100px) scale(1.1);}100% {transform: rotate(45deg) translateY(220px) scale(0.5);opacity: 0;}
}
.line-item{+ animation: shank 2s linear infinite;+ animation-delay: calc(var(--d) * 0.2s);
}

.line-item{- left: var(--l);- right: var(--r);+ left: calc(var(--l) + 70px);+ right: calc(var(--r) - 70px);
}

.container::before {content: "";position: absolute;width: 100%;height: 100%;left: 0;top: 0;background: url(./img/earth.jpg) no-repeat;background-size: cover;animation: ping 4s infinite linear alternate-reverse;}@keyframes ping {100% {background-position: 100%;}}
.container {box-shadow: 0px 2px 12px rgba(0, 0, 0, 0.2);border-radius: 20px;padding: 40px;position: relative;width: 350px;height: 260px;overflow: hidden;}.container::before {content: "";position: absolute;width: 100%;height: 100%;left: 0;top: 0;background: url(./img/earth.jpg) no-repeat;background-size: cover;animation: ping 4s infinite linear alternate-reverse;}@keyframes ping {100% {background-position: 100%;}}.line-box {width: 100%;height: 100%;position: relative;}.line-item {width: 2px;height: 33px;background: linear-gradient(0deg, var(--c1) 0%, var(--c2) 100%);position: absolute;top: 0;transform: rotate(45deg);left: calc(var(--l) + 70px);right: calc(var(--r) - 70px);opacity: 0;animation: shank 2s linear infinite;animation-delay: calc(var(--d) * 0.2s);}.line-item::after {content: "";position: absolute;width: 7px;height: 7px;border-radius: 50%;background: var(--c1);filter: blur(1.8px);box-shadow: 0px -1px -1px 5px var(--c2);bottom: -4px;left: 50%;transform: translate(-50%);}@keyframes shank {0% {transform: rotate(45deg) translateY(-100px) scale(0.5);opacity: 0;}70% {opacity: 1;transform: rotate(45deg) translateY(100px) scale(1.1);}100% {transform: rotate(45deg) translateY(220px) scale(0.5);opacity: 0;}}
'--c1':item.c1,'--c2':item.c2,'--w':item.w,'--h':item.h,'--l':item.l,'--d':item.d,'--r':item.r}">
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