PImage rain00;
PImage rain01;
PImage rain02;
PImage rain03;
PImage rain04;
PImage screenImage;
PImage [] arrayImages = new PImage[5];

void setup() {
  rain00 = loadImage("rain00.png");
  rain01 = loadImage("rain01.png");
  rain02 = loadImage("rain02.png");
  rain03 = loadImage("rain03.png");
  rain04 = loadImage("rain04.png");

  arrayImages[0] = rain00;
  arrayImages[1] = rain01;
  arrayImages[2] = rain02;
  arrayImages[3] = rain03;
  arrayImages[4] = rain04;

  fullScreen();
  screenImage = arrayImages[0];
  frameRate(2);
}


void draw() {
  for (int i = 0; i < arrayImages.length; i++) {
    screenImage = arrayImages[i];
    image(screenImage, 0, 0, width, height);
  }
}