Superformula

Developer
Aitor
Size
3,671 Kb
Views
40,480
  1. Superformula Previews
  2. Superformula HTML Codes
  3. Superformula CSS Codes
  4. Superformula JS Codes

How do I make an superformula?

See https://en.wikipedia.org/wiki/Superformula. What is a superformula? How do you make a superformula? This script and codes were developed by Aitor on 16 September 2022, Friday.

Superformula Previews
IQ Test

Superformula - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Superformula</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 width="640" height="480"></canvas> <script src="js/index.js"></script>
</body>
</html>

Superformula - Script Codes CSS Codes

html,
body { background: #000; color: #fff; margin: 0; padding: 0; font-family: Lato, sans-serif;
}

Superformula - Script Codes JS Codes

"use strict";
// @see: https://en.wikipedia.org/wiki/Superformula
var canvas = document.querySelector("canvas"), context = canvas.getContext("2d");
var SCALE = 150;
var VALUES = [];
for (var index = 0; index < 30; index++) { VALUES.push(Math.random() * 20000 + 100);
}
function superformula(phi, a, b, m, n1, n2, n3) { return Math.pow(Math.pow(Math.abs(Math.cos(m * phi / 4) / a), n2) + Math.pow(Math.abs(Math.sin(m * phi / 4) / b), n3), -1 / n1);
}
function renderFormula(now, t1, t2, t3, i) { var s1 = now / t1; var s2 = now / t2; var s3 = now / t3; var a = Math.abs(Math.sin(s1)); var b = Math.abs(Math.sin(s1)); var m = Math.abs(Math.sin(s2) * 50); var n1 = Math.abs(Math.sin(s3) * 50); var n2 = Math.abs(Math.sin(s2) * 50); var n3 = Math.abs(Math.sin(s1) * 50); context.beginPath(); for (var index = 0; index < 360; index++) { var radius = superformula(index / 360 * Math.PI * 2, a, b, m, n1, n2, n3); var x = Math.cos(index / 360 * Math.PI * 2) * radius * SCALE; var y = Math.sin(index / 360 * Math.PI * 2) * radius * SCALE; if (index === 0) { context.moveTo(x, y); } else { context.lineTo(x, y); } } context.closePath(); context.globalCompositeOperation = "lighten"; context.shadowColor = "#0cf"; context.shadowBlur = 32; context.lineWidth = i; context.strokeStyle = "#fff"; context.stroke();
}
function update() {}
function render(now) { var s1 = now / 1000; var s2 = now / 250; var s3 = now / 500; var a = Math.abs(Math.sin(s1)); var b = Math.abs(Math.sin(s1)); var m = Math.abs(Math.sin(s2) * 50); var n1 = Math.abs(Math.sin(s3) * 50); var n2 = Math.abs(Math.sin(s2) * 50); var n3 = Math.abs(Math.sin(s1) * 50); context.clearRect(0, 0, canvas.width, canvas.height); context.save(); context.translate(canvas.width * 0.5, canvas.height * 0.5); for (var index = 0; index < VALUES.length; index += 3) { renderFormula(now, VALUES[index], VALUES[index + 1], VALUES[index + 2], index + 1); } context.restore();
}
function frame(now) { update(); render(now); window.requestAnimationFrame(frame);
}
function resize() { canvas.width = window.innerWidth; canvas.height = window.innerHeight;
}
window.requestAnimationFrame(frame);
window.addEventListener("resize", resize);
window.dispatchEvent(new Event("resize"));
Superformula - Script Codes
Superformula - Script Codes
Home Page Home
Developer Aitor
Username AzazelN28
Uploaded September 16, 2022
Rating 4
Size 3,671 Kb
Views 40,480
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