sketch 02

void setup() {
  size(500,550);
  background(30,(random(140)),90);
  rectMode(CENTER);
  rect((random(600)),(random(220)),80,50);//random
  }

void draw() {
  stroke(20,(random(120)),120,70);//color del borde
  strokeWeight(8);//ancho del borde
  smooth();
  fill((random(200)),70,200,90);//color del fondo
  rectMode(CENTER);
  rect(mouseX,mouseY,80,50);//random
  fill((random(300)),(random(190)),18,90);//el ultimo numero hace trasparencia
  ellipse((random(900)),(random(320)),50,50);
  delay(300);
}