Sequence of actions from array

Processing Coding Questions
2

Here is my idea

int[] array = new int[5];
int actionCounter = 0; 
int timer; 

void setup() {
  size(600, 600);
  background(128);
  for (int i = 0; i < array.length; i++) {
    array[i] = int(random(4));
  }
  println(array);

  timer = millis();
}

void draw() {
  background(128);
  showAction() ; 

  if (millis()-timer >= 1100) { 
    actionCounter++;
    timer = millis();
  }
}

void showAction() {
  if (actionCounter == 0) {
    fill(0);
    rect(200, 200, 100, 100);
  } else if (actionCounter == 1) { 
    // delay(300);
    fill(255, 0, 0);
    rect(200, 200, 100, 100);
  } else if (actionCounter == 2) {
    fill(0, 255, 0);
    rect(200, 200, 100, 100);
  } else if (actionCounter == 3) {
    fill(0, 0, 255);
    rect(200, 200, 100, 100);
  } else if (actionCounter == 4) {
    fill(255);
    rect(270, 200, 100, 100);
  }//if
}
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