2021/12/08

Imitate Jetbrains Moving Radial Gradient Effect

今天在逛 Jetbrains 新產品 fleet 的網頁時，看到一個圓形漸層會跟著滑鼠移動的特效，覺得很有意思。

手癢來刻一個類似的。

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Glow Cursor</title>
    <style>
        .box {
            width: 300px;
            height: 300px;
            border: 2px solid blue;
        }
    </style>
</head>
<body>
<div class="box"></div>
<script>
    var box = document.querySelector('.box');

    box.addEventListener('mousemove', function (e) {
        var rect = e.target.getBoundingClientRect();
        var x = e.clientX - rect.left;
        var y = e.clientY - rect.top;

        box.style.background = `radial-gradient(circle at ${x}px ${y}px, rgba(138, 189, 61, 1) 0%, rgba(255, 255, 255, 1) 150px`;
    });

    box.addEventListener('mouseleave', function () {
        box.style.background = null;
    });
</script>
</body>
</html>

效果大概是這樣 Demo

於

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