special-effects/movement-cursor-effect-2/index.html at main · codedeep79/special-effects · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Movement cursor effect</title>
    <link rel="stylesheet" href="css/style.css">
</head>

<body>
    <div class="container">

    </div>
    <script>
        let container = document.querySelector('.container');

        let color_list = Array(
            "#ec3e27",
            "#fd79a8",
            "#0984e3",
            "#00b894",
            "#fdcb6e",
            "#e056fd",
            "#F97F51",
            "#BDC581"
        )

        let space_size = 10


        let offset_x = -10;
        let offset_y = -20;

        for (let x = offset_x; x < 10; x++) {

            for (let y = offset_y; y < 8; y++) {


                let delay = 0;


                let position_x = x - offset_x;
                let position_y = y - offset_y;
                let center_x = Math.floor(position_x / (space_size * 2)) * (space_size * 2) + space_size;
                let center_y = Math.floor(position_y / (space_size * 2)) * (space_size * 2) + space_size;

                let weight_x = Math.abs(center_x - position_x)
                let weight_y = Math.abs(center_y - position_y)
                let weight_sub = Math.abs(weight_x - weight_y);
                let weight = weight_x;
                if (weight_y > weight_x) {
                    weight = weight_y;
                }
                delay = weight;
                if (delay == 0) {
                    delay = 1;
                } else {
                    delay = delay - (weight_sub * 0.4);
                }
                let ball = document.createElement('div');
                ball.classList.add('ball');
                let color = color_list[Math.floor(Math.random() * 7)];
                ball.style = '--x:' + x + ';--y:' + y + ';--delay:' + delay + ';--color:' + color + ';';
                container.appendChild(ball);
            }

        }
        let window_width = document.documentElement.clientWidth;
        let window_height = document.documentElement.clientHeight;
        container.addEventListener("mousemove", (e) => {
            let left = e.clientX;
            let top = e.clientY;
            let left_p = left / window_width * 100;
            let top_p = top / window_height * 100;
            container.style.perspectiveOrigin = left_p + "% " + top_p + "%";
        });


    </script>
</body>

</html>