PImage kitten;
float angle;
int z;

void setup(){
  size(400,400);
  kitten = loadImage("kitty.png");
}

void draw(){

  frameRate(30);
  background(255);
  angle += random(-0.05,0.05);
  translate(200,200);
  rotate(angle);
  //tint(random(255));

  image(kitten, -100, -155);

  //println(angle);
}