A Pen by Monica.dev on CodePen.
Created
February 9, 2024 16:39
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Animated Geode
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// Based on The Coding Train: Coding Challenge #136.1: Polar Perlin Noise Loops | |
// https://www.youtube.com/watch?v=ZI1dmHv3MeM | |
let phase = 0; | |
let noiseMax = 0.75; | |
let slider; | |
let zOff = 0; | |
function setup() { | |
createCanvas(windowWidth, windowHeight); | |
background("#e9e0f0"); | |
noStroke(); | |
// slider = createSlider(2,10,0,0.1) | |
//strokeWeight(4); | |
} | |
function draw() { | |
//noLoop(); | |
background("#2b2135"); | |
translate(width / 2, height / 2); | |
//stroke(255); | |
//stroke("#b4aaff") | |
noFill(); | |
noiseMax = 2; // slider.value(); | |
// let xOff = 0; | |
const colors = ["#231942", "#5e548e", "#9f86c0", "#be95c4", "#e0b1cb"]; | |
for (let i = 5; i > 0; i--) { | |
beginShape(); | |
fill(colors[i - 1]); | |
for (let a = 0; a < TWO_PI; a += 0.01) { | |
//// let r = 100;//random (50, 100) | |
let xOff = map(cos(a + phase), -1, 1, 0, noiseMax); | |
let yOff = map(sin(a + phase), -1, 1, 0, noiseMax); | |
let r = map(noise(xOff, yOff, zOff), 0, 1, 100, 200) * (i * 0.7); | |
let x = r * cos(a); | |
let y = r * sin(a); | |
vertex(x, y); | |
// xOff = xOff + 0.01 | |
} | |
endShape(CLOSE); | |
} | |
phase += 0.003; | |
zOff += 0.01; | |
// xOff = xOff + 0.01 | |
} | |
function keyPressed() { | |
if (key === "g") { | |
saveGif("polar-perlin-noise", 20); | |
} | |
if (key === "s") { | |
saveCanvas("polar-perlin-noise"); | |
} | |
} |
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<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.6.0/p5.min.js"></script> |
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