float x = 0;
float y = 50;
float z = 255;
float pi = 1;
int lo = 1;
int stfi = 1;


void setup() {
  size(600,600);
  background(255);
  frameRate(300);
}

void draw() {
  float rR = random(-width/2, width/2);
  float rR2 = random(-height/2, height/2);
  float rR3 = random(4);
  float rR4 = random(4);
  float rM = random(3);
  translate(width/2,height/2);
  rectMode(CENTER);  

  //  noStroke();
  //  rect (0,0, width, height); //background rectangle
  //  fill (z, x, y, 50);
  //  noStroke();

  if (stfi == 1){
    noFill();
    stroke(z, x, y, 100);  
  }
  else 
  {
    noStroke();
    fill (z, x, y, 100);
  }

  rotate(PI/pi);
  rect (rR, rR2, rR3*rM, rR4*rM);

}

void mousePressed() {

  if( mouseButton == LEFT){
    //    x= random(0, 255);
    y= random(0, 255);
    z= random(0, 255);
  }

  if (stfi == 1 && mouseButton == RIGHT) {
    stfi = 0;
    pi = 1;
    background(255);
  } 
  else if (mouseButton == RIGHT){
    stfi = 1;
    pi = 1;
    background(255);
  }
}

void mouseDragged() {
  if( mouseButton == LEFT){
    pi= random(20);
  }
}

void keyPressed() {
  if(lo == 1 && keyCode == CONTROL) {
    lo = 0;
    noLoop();
  } 
  else {
    lo = 1;
    loop();
  }

  // save frame
  if(keyPressed) {
    if (key == 's' || key == 'S') {
      saveFrame("image-####.png");
    }
  }
}