Processing: Composição gráfica

Comandos utilizados na imagem do programa Processing:

size(350, 350);
background(0, 250,0);
fill(90,20,30,40);
rect(100, 150, 90, 90);
fill(10,10,30,40);
rect(200, 100, 90, 90);
fill(90,20,30,40);
rect(300, 150, 90, 90);
fill(90,20,30,40);
rect(50, 150, 90, 90);
fill(90,20,30,40);
rect(0, 150, 90, 90);
fill(90,20,30,40);
rect(80, 150, 90, 90);

fill(90,20,30,40);
rect(110, 200, 90, 90);
fill(90,20,30,40);
rect(220, 300, 90, 90);
fill(90,20,30,40);
rect(280, 100, 90, 90);
fill(90,20,30,40);
rect(80, 50, 90, 90);
fill(90,20,30,40);
rect(3, 10, 90, 90);
fill(10,50,30,30);
rect(47, 0, 90, 90);
fill(0,20,30,40);
rect(110, 200, 90, 90);
fill(90,20,30,40);
rect(220, 300, 90, 90);
fill(90,20,30,40);
rect(280, 100, 90, 90);
fill(90,20,30,40);
rect(80, 50, 90, 90);
fill(90,20,30,40);
rect(3, 10, 90, 90);
fill(10,50,30,30);
rect(47, 0, 90, 90);

fill(90,20,30,40);
rect(110, 200, 90, 90);
fill(90,20,30,40);
rect(220, 300, 90, 90);
fill(90,20,30,40);
rect(280, 100, 90, 90);
fill(90,20,30,40);
rect(80, 50, 90, 90);
fill(90,20,30,40);
rect(3, 10, 90, 90);
fill(10,50,30,30);
rect(47, 0, 90, 90);