void setup()
{
 // Carrega a fonte Arial com tamanho 20
 textFont(createFont("Arial", 20));
 // Alinha o texto
 textAlign(CENTER);
}
void draw()
{
 background(100);
 text("3", frameCount*0.5, height - 20);
 text("2", frameCount, height - 40);
 text("1", frameCount*2, height - 60);
}