var px=0;

​

​

​

function setup() {

  createCanvas(400, 400);

  x1 = 200;  //starting positions dont matter

  y1 = 100;

  x2 = 200;

  y2 = 200;

  frameRate()

}

​

function draw() {

  //background(220);

  px = random (0.1, 5);

  strokeWeight(px);

  //point(200, 200);

  line(200, 200, x1, y1);

  line(200, 200, x2, y2);

​

//automatically run with frameCount

  /*x1 = 200 + 100 * cos(frameCount/30);

   y1 = 200 + 100 * sin(frameCount/30);

   x2 = 200 + 80 * cos(frameCount/100);

   y2 = 200 + 80 * sin(frameCount/100);*/

// control by mouse

  x1 = 200 + 100 * cos(map(mouseX, 0, 700, 0, 30 * PI));

  y1 = 200 + 100 * sin(map(mouseX, 0, 900, 0, 30 * PI));

  //x2 = 200 + 80 * cos(map(mouseX, 0, 400, 0, 0.5 * PI));

  //y2 = 200 + 80 * sin(map(mouseX, 0, 400, 0, 0.5 * PI));

​

​

​

​

​

}