https://processing.org/reference/triangle_.htmlhttp://www.biopus.com.ar/emiliano/tutorial_programacion/dibujo/index.html#linehttps://www.youtube.com/watch?v=d4veURjQs0chttps://www.youtube.com/watch?v=q51xZnnOp2ohttps://www.youtube.com/watch?v=80FSAm7_u2Uhttp://todocporelinv.blogspot.com/2011/04/hacer-figura-de-asteriscos-por-elinv.htmlhttp://todocporelinv.blogspot.com.ar/2013/03/c-y-c-gotoxy-sin-conio-circulo-mejorado.htmlhttp://www.forosdelweb.com/f45/dibujar-figuras-con-asteriscos-475710/