Sinus Animation - OpenProcessing

mySketch
xxxxxxxxxx
 
var counter = 0;
​
function setup()
{
  createCanvas(windowWidth, windowHeight);
  background(0);
}
​
function draw()
{
  //background(0);
​
  translate(width/2, height/2);
​
  translate(0, sin(counter)*200);
  noFill();
  stroke(255,150,20,20,10);
  rect(10, 100, 10, 100);
  //rotate(0.2);
  rotate(sin(counter)*100);
  //line(0, 0, 300, 0);
​
  counter += 0.1;
}