Voluntario3

int mode = 0;
int currentValue = 0;
long previousMillis = 0;

void setup(){
  size(300,300);
  fill(0);
  background(255);
  textAlign(CENTER);
  textSize(27);
  stroke(0);
  strokeWeight(3);
  fill(200);
}

void draw(){
  long currentMillis = millis();

  if(mode == 1){
    if(currentMillis - previousMillis > 3000){
      previousMillis = currentMillis;
    }
    if(currentMillis - previousMillis < 3000 && currentMillis - previousMillis > 2000){
      fill(255,0,0);
    }
    else if(currentMillis - previousMillis > 1000 && currentMillis - previousMillis < 2000){
      fill(255,255,0);
    }
    else if(currentMillis - previousMillis < 1000){
      fill(0,255,0);
    }
  }
  if(mode == 2){
    if(currentMillis - previousMillis > 5000){
      previousMillis = currentMillis;
    }
    if(currentMillis - previousMillis < 5000 && currentMillis - previousMillis > 3000){
      fill(255,0,0);
    }
    else if(currentMillis - previousMillis > 2000 && currentMillis - previousMillis < 3000){
      fill(255,255,0);
    }
    else if(currentMillis - previousMillis < 2000){
      fill(0,255,0);
    }
  }

    ellipse(width/2,height/2,70,70);
}
void keyPressed(){
  background(255);
  fill(0);
  previousMillis = millis();
  if(key == '1'){
    text("Modo 1",width/2,85);
    mode = 1;
  }
  if(key == '2'){
    text("Modo 2",width/2,85);
    mode = 2;
  }
}