function setup() {

createCanvas(400, 400);

frameRate(10);

background(255);

}

function draw() {

//fill(random(10-20),random(20-30), random(30-40));

// rect(100,100, random(5-55), random (55));

stroke(0);

line(random(0, width),random(0,height),random(0,width), random(0,height));

}