Copy this:

//PiAngle source code from brik-web.duckdns.org/srcpiangle.html
//By magnado (magnado.itch.io)
//Please keep this attribution block

  playSound("sound://default.mp3", false);
playSpeech("Pi angle", "male", "English");
//piangle sides
var p_sides = PI;
var piangle_x = 0;

function draw() {
  //background
  background("cornflowerblue");
  //draw piangle
  regularPolygon(200, 220, p_sides, 71);
  //draw animated piangles
  regularPolygon(piangle_x, 370, p_sides, 30);
  regularPolygon(piangle_x - 200, 370, p_sides, 30);
  regularPolygon(piangle_x - 400, 370, p_sides, 30);
  regularPolygon(piangle_x - 50, 320, p_sides, 30);
  regularPolygon(piangle_x - 250, 320, p_sides, 30);
  regularPolygon(piangle_x - 450, 320, p_sides, 30);
  //animate piangles
  piangle_x = piangle_x + 5;
  //reset piangles
  if (piangle_x - 450 > 399) {
    piangle_x = 0;
  }
  //text
  fill("black");
  textFont("Times New Roman");
  textSize(50);
  text("PiAngle", 10, 50);
}

go to: Code.org (you might need to either make an account or log in)

Make a new Gamelab project

delete all default code

And paste the code from above.

Or:

try it here

(click on it to begin)

Piangle © 2026 by Magnado is licensed under CC BY 4.0

PiAngle source © 2025 by Magnado is licensed under CC BY 4.0