void setup(){
  size(600,600); 
  frameRate(30);
  strokeWeight(0);
  smooth();
  background(0);
}

void draw(){
  background(0);
  Rectangle r=new Rectangle();
  r.drawMe();
  Circle c=new Circle();
  c.drawMe();
}

class Rectangle {
  
  float a;
  float b;

  
  
  Rectangle() {
  a=random(height);
  b=random(width);

  }
  
  void drawMe() {
   fill(255,0,0);
   rect(a, b, 35 ,35);
  }
    
}

 class Circle {
   
  float c;
  float d;
   
  Circle() {
    
  c=random(height/2);
  d=random(width/4);
 }
  
  void drawMe() {
  fill(255,100,0);
  ellipse(c,d,35,35);
  }
 }