var h = 700;

var w = 700;

function setup(){ 

createCanvas(h, w);

  background(200);

}

function draw() {

  noLoop();

  noFill();

  for(i=0;i<1000;i++){

    var x = new Array(5);

    for(j = 0; j < 4; j++){

      x[j] = random();

}

    stroke(color(x[0] * 250,x[1] * 255,x[2] * 255, 30));

    bezier(w/2, h/2, x[0] * w, x[2] * h, x[2] * w, x[1] * h, w/2, h/2);

  }

}