/* 
Part of the ReCode Project (http://recodeproject.com)
Based on "Double Checkerboard" by Barbara Dwyer
Originally published in "Computer Graphics and Art" v1n3, 1976
Copyright (c) 2024 randomartin - OSI/MIT license (http://recodeproject/license).
*/

/* @pjs pauseOnBlur="true"; */

function setup() {
  createCanvas(3508,3508);
  
background(255);

  beginShape();
    for(i=-150;i<=150;i++){
      let tx = pow(sin(i*3),3);
      let ty = pow(cos(i*3),3);
      let x = width/3;
      let y = height/3;
        //fill(0);
      strokeWeight(1.5);
  vertex(sin(ty*3)/ty*y,ty*y+x+width/6);
        vertex(width/2-150,tx-ty*x+y+width/6);
    }
 endShape(CLOSE);

}



function draw() {

}