/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://dflab.sketchpad.cc/sp/pad/view/ro.jpOtPfSOiOE/rev.140
 * 
 * authors: 
 *   Ines Sousa

 * license (unless otherwise specified): 
 *   creative commons attribution-share alike 3.0 license.
 *   https://creativecommons.org/licenses/by-sa/3.0/ 
 */ 




size(300, 300); 

background(255, 0, 0);

point (20, 20);

stroke (0, 255, 0);
strokeWeight (3);
line (30, 30, 60, 60);

noFill();
rect (50, 50, 100, 20);

noStroke();
fill (0,0,255);;
ellipse (150, 150, 40, 40);

stroke (255);
noFill();
beginShape();

vertex (20,20);
vertex (30, 60);
vertex (20, 80);
endShape(CLOSE);