Created
June 22, 2020 21:31
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// Twitter: @fewlinesofcode | |
var angle = 1.0; | |
var angularSpeed = 0.01; | |
var internalRadius = 130; | |
function setup() { | |
createCanvas(600, 600); | |
noStroke(); | |
background(255); | |
} | |
function draw() { | |
noFill(); | |
stroke(0); | |
background(255); | |
let r = 0; | |
let numPts = 100; | |
let numCircles = 20; | |
let offset = 6; | |
noiseSeed(1); | |
for (let k = 0; k < numCircles; k++) { | |
r = k * offset; | |
for (let i = 0; i <= numPts; i++) { | |
var x = sin(2 * Math.PI * i / numPts + (cos(angle)==0)); | |
var y = cos(2 * Math.PI * i / numPts + sin(angle)); | |
speed = noise(x, y) * internalRadius; | |
x = width / 2 + x * (r + speed); | |
y = height / 2 + y * (r - speed); | |
if (i > 0) { | |
line(prevX, prevY, x, y); | |
} | |
prevX = x; | |
prevY = y; | |
} | |
} | |
angle += angularSpeed; | |
// noLoop(); | |
} |
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