void setup(){
  size(400,400);
  println("this is an arrow");

  
}

void draw(){
  background(255);
  fill(0);
  noStroke();
  smooth(); 


  // draw an arrow
  quad (193,216,216,206,267,315,244,325);  // desenha quadrilatero
  triangle (140,60,140,240,265,185);  // DESENHA TRIANGULO

}