void setup(){
  size(200,200);
//  background(100);
  noLoop();
}

void draw(){
  //‡reas retangulares
  rect(50, 50, 30, 30);
  //ponto
  point(10,10);
  //linha
  line(30,10, 30,90);
  line(33,10, 40,90);
  //triangulo
  triangle(160,100, 125,160, 175,165);
  //geometrias de quatro lados
  quad(20,100, 10,130, 30,130, 40,100);
  //elipses
  ellipse(60,150, 50,50);
}