Traduction en Python du script BASIC ci-dessous (“Creative Graphics on the BBC Microcomputer” John Cownie):
from turtle import * from math import * from kandinsky import fill_rect speed(0) hideturtle() fill_rect(0,0,320,222,(0,)*3) def s(a): return 120 * sin(a / 10) for a in range(1258): x, y = s(a), cos(a / 10) * s(a * .95) c = int((x * x + y * y) / 2200) pensize(7 - c) color(255 - 30 * c, 0, 0) goto(x,y)
from turtle import * from math import * from kandinsky import fill_rect speed(0) hideturtle() color('orange') fill_rect(0,0,320,222,(0,)*3) def s(a): return 105 * sin(a / 10) for a in range(1258): goto(s(a), cos(a / 10) * s(a * .95))