pakt11

Built with p5.js and SuperCollider. See /f0blog/pact-februari/

//pakt11
let index
let rowsMid, colsMid, rows, cols
let grad
function setup() {
  const div = select('#sketch')
  const cnv = createCanvas(div.width, div.height)
  cnv.parent('sketch')
  frameRate(60)
  noStroke()
  index = 0
  rowsMid = 22
  colsMid = 20
  scale(0.96, 0.96)
  translate(5.0, 5.0)
  grad = createGraphics(width, height)
  grad.noStroke()
  for (let r = width; r > 0; --r) {
    grad.fill(
      lerpColor(color(0.6 * 255, 0.5 * 255, 0.5 * 255), color(0, 0, 0), r / width)
    )
    grad.ellipse(width * 0.5, height * 0.5, r * 2.0, r * 2.0)
  }
  fill(255)
}
function draw() {
  rows = rowsMid + sin(index * 0.0015) * 10
  cols = colsMid + sin(index * 0.0024) * 10
  image(grad, 0, 0)
  let x1 = 0
  let y1 = 0
  let x2 = 0
  let y2 = 0
  scale(0.96)
  translate(5, 5)
  beginShape()
  vertex(0, 0)
  for (let y = 0; y <= rows; y++) {
    for (let x = 0; x <= cols; x++) {
      x1 = (x / rows) * width + sin(index + x * y * 32)
      y1 = (y / cols) * height + cos(index + x * y * 24)
      x2 = (x / cols) * width + sin(index + x * y * 32)
      y2 = (y / rows) * height + cos(index + x * y * 24)
      vertex(x1, y1)
      vertex(x2, y2)
    }
  }
  endShape()
  index++
}

Ndef(\hail).play
(
Ndef(\hail, {Splay.ar(Ringz.ar(SinOsc.ar(#[0.000101, 0.000202, 0.000303, 0.000404, 0.000505, 0.000606], SinOsc.ar(#[101, 202, 303, 404, 505, 606], 0, SinOsc.ar(#[0.0101, 0.0202, 0.0303, 0.0404, 0.0505, 0.0606], 0, pi)))*VarSaw.ar(#[1.01, 2.02, 3.03, 4.04, 5.05, 6.06], #[0.101, 0.202, 0.303, 0.404, 0.505, 0.606], SinOsc.ar(#[0.00101, 0.00202, 0.00303, 0.00404, 0.00505, 0.00606], 0, 0.5, 0.5)), #[1010, 2020, 3030, 4040, 5050, 6060], SinOsc.ar(#[10.1, 20.2, 30.3, 40.4, 50.5, 60.6], 0, 0.1, 0.2), 0.2))});
)
Ndef(\hail).stop