Inspiration:

https://www.instagram.com/p/B2ASNwwnkf3/

​

Context:

https://rtp.media.mit.edu/

*/

​

let caneva_size = 800;

let center = caneva_size / 2;

let circle_size = caneva_size/10; // circles that fabricate the parabolas

​

function setup() {

  createCanvas(caneva_size, caneva_size);

  background(0);

  noStroke();

  //sets the origin to the center

  translate(center, center);

​

  // rotation loop

  let rot_div = 8;

  for (let r = 0; r < rot_div; r++) {

    rotate(TWO_PI / rot_div);

​

    // parabola fade loop

    for (let offset = 0; offset < center/2; offset += 3) {

      // basic parabola

      for (let x = -center/2; x < center/2; x += 2) {

​

        let brightness = 255 * (1 - abs(x) / (center/2));

        brightness -= offset * 2;

        fill(brightness, brightness);

​

        // parabola equation: y = -x²/100 + fade_offset

        let y = -x*x/100 + (0.85*center - offset);

        ellipse(x, y, circle_size, circle_size);

      }

    }

  }

}

​