Primer código

size(500,700);
stroke(247,22,158);
strokeWeight(10);
line(0,0,width, height);
stroke (0,255,14);
fill (255,0,0);
ellipse(100,100,100,100);
noStroke();
fill (0,255,0,50);
rect(width/2-25,height/2-25,50,50);
stroke (0);
noFill();
triangle(20,20,400,20,width/2,250);
fill (0);
text("HOLA MUNDO", 400,200);