* Lines repeated on a circle.

*/

​

let lenMax = 180;

let thickness = 10;

let angleStep;

let numRepeats = 35;

let randSeed;

​

/////////////////////////// SETUP ////////////////////////////

function setup() {

  createCanvas(500, 500);

  strokeCap(SQUARE);

  stroke(255);

  randSeed = random(1000);

}

​

/////////////////////////// DRAW ////////////////////////////

function draw() {

  randomSeed(randSeed);

  background(0);

  translate(width/2, height/2);

  if(mouseX>0)

  numRepeats = map(mouseX, 0, width, 5, 150);

  angleStep = 360/numRepeats;

  thickness = map(mouseY, 0, height, .25, 25);

  strokeWeight( thickness ); 

  for (let i=0; i<360; i+=angleStep) {

    let x = cos(radians(i)) * 50;

    let y = sin(radians(i)) * 50;

    let len = random(3, lenMax);

    let x2 = cos(radians(i)) * len;

    let y2 = sin(radians(i)) * len;

    push();   

    translate(x, y);

    line(0, 0, x2, y2);

    pop();

  }

}

​

/////////////////////////// FUNCTIONS ////////////////////////////

function keyPressed() {

  if (key == 'r') {

    randSeed = random(1000);

  }

  if (key == 's') {

    //saveFrame("export_###.png");

  }

}

​