效果 (源码网盘地址在最后)
源码
index.html
<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<title>鼠标悬停射线特效</title>
<link rel="stylesheet" href="./style.css">
</head>
<body>
<img src='./im1.jpg' alt='cats'>
</body>
</html>
css
@property --k {
syntax: "<number>";
initial-value: 0;
inherits: false;
}
body {
display: grid;
margin: 0;
height: 100vh;
}
img {
--k: 0;
--j: calc(1 - var(--k));
--list: transparent calc(50% - 4vmin), red 0 calc(50% + 4vmin