xxxxxxxxxx
function setup() {
createCanvas(windowWidth, windowHeight);
background(0);
}
function draw() {
noFill();
stroke(255, 500);
translate(width/2, height/2);
rotate(sin( millis()/500 ) *1);
translate(100, 0);
rectMode(CENTER);
rect(0, 0, 40, 800);
}