A Pen by pimskie

Developer
Pimskie
Size
3,699 Kb
Views
123,464
  1. A Pen by pimskie Previews
  2. A Pen by pimskie HTML Codes
  3. A Pen by pimskie CSS Codes
  4. A Pen by pimskie JS Codes

How do I make an a pen by pimskie?

Friday afternoon thingy. Don't know what I did or how it works :D . What is a a pen by pimskie? How do you make a a pen by pimskie? This script and codes were developed by Pimskie on 13 June 2022, Monday.

A Pen by pimskie Previews
IQ Test

A Pen by pimskie - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>A Pen by pimskie</title> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css"> <link rel="stylesheet" href="css/style.css">
</head>
<body> <canvas></canvas> <script src="js/index.js"></script>
</body>
</html>

A Pen by pimskie - Script Codes CSS Codes

html,
body { height: 100%; margin: 0; padding: 0; background: black;
}
body { display: flex; align-items: center; justify-content: center;
}
canvas { background: black;
}

A Pen by pimskie - Script Codes JS Codes

'use strict';
// random uppercase and lowercase
var PI2 = Math.PI * 2;
var DIM = 600;
var MID = DIM * 0.5;
var NUM_RINGS = 10;
var CIRCLE_RADIUS = 5;
var RADIUS_MIN = 40;
var RADIUS_MAX = DIM * 0.5 - CIRCLE_RADIUS * 0.5;
var RADIUS_STEP = 25;
// random var name
var PERSPECTIVE = 5;
var canvas = document.querySelector('canvas');
var ctx = canvas.getContext('2d');
canvas.width = DIM;
canvas.height = DIM;
var circles = [];
var drawRing = function drawRing() { var index = arguments.length <= 0 || arguments[0] === undefined ? 0 : arguments[0]; var numCircles = 8 * (i + 1); var angle = 0; var step = PI2 / numCircles; var ringR = RADIUS_MIN + RADIUS_STEP * index; var ringMaxR = ringR; var xR = ringR; var yR = ringR; while (numCircles--) { var shift = -PERSPECTIVE * i; if (i >= Math.round(NUM_RINGS) / 2) { shift = -shift; } var speed = 0.003 * (i * 0.5); if (i % 2 === 0) { speed = -speed; } circles.push({ index: index, angle: angle, angle2: angle, shift: shift, xR: xR, yR: yR, ringMaxR: ringMaxR, speed: speed }); angle += step; }
};
var i = undefined;
for (i = 0; i < NUM_RINGS; i++) { drawRing(i);
}
var loop = function loop() { ctx.clearRect(0, 0, DIM, DIM); var i = circles.length; ctx.globalCompositeOperation = "source-over"; while (i--) { var circle = circles[i]; var x = MID + Math.cos(circle.angle) * circle.ringMaxR; var y = MID + Math.sin(circle.angle) * circle.yR; var diffY = Math.abs(MID - y); var r = 15 / (MID / diffY); ctx.beginPath(); // todo: check gradients: http://codepen.io/wheately/pen/VLjgyR? ctx.fillStyle = '#fff'; ctx.arc(x, y, r, 0, PI2, false); ctx.fill(); circle.xR = Math.cos(circle.angle2 * 4) * circle.ringMaxR; circle.yR = Math.sin(circle.angle2) * circle.ringMaxR; circle.angle += circle.speed; } requestAnimationFrame(loop);
};
loop();
A Pen by pimskie - Script Codes
A Pen by pimskie - Script Codes
Home Page Home
Developer Pimskie
Username pimskie
Uploaded June 13, 2022
Rating 4
Size 3,699 Kb
Views 123,464
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