### Lesson 20: Catch me if you can

posted May 8, 2019, 7:34 AM by Attila Lengyel   [ updated May 8, 2019, 8:10 AM ]
 import turtle as tt1 = t.Turtle()t1.shape("turtle")t1.fillcolor("blue")t1.pencolor("blue")t2 = t.Turtle()screen = t.Screen()def draw_rectangle(player, x, y, width, height, color): startpos = player.pos() startcolor = player.pencolor() player.pencolor(color) player.up() player.goto(x, y) player.down() player.forward(width) player.left(90) player.forward(height) player.left(90) player.forward(width) player.left(90) player.forward(height) player.left(90) player.up() player.goto(startpos) player.down() player.pencolor(startcolor)draw_rectangle(t1, -210, -210, 420, 420, "red")def inbox(player): if player.xcor() >= 200: player.up() player.goto(199, player.ycor()) player.down() return False if player.xcor() <= -200: player.up() player.goto(-199, player.ycor()) player.down() return False if player.ycor() >= 200: player.up() player.goto(player.xcor(), 199) player.down() return False if player.ycor() <= -200: player.up() player.goto(player.xcor(), -199) player.down() return False return Truedef f(): if inbox(t1): t1.forward(10)def b(): if inbox(t1): t1.backward(10)def l(): t1.left(10)def r(): t1.right(10)screen.onkey(f, "Up")screen.onkey(b, "Down")screen.onkey(l, "Left")screen.onkey(r, "Right")def catch(): if t1.distance(t2) < 10: t2.write("CATCH!!!") def f2(): if inbox(t2) : t2.forward(10) catch()def b2(): if inbox(t2): t2.backward(10) catch()def l2(): t2.left(10)def r2(): t2.right(10)screen.onkey(f2, "s")screen.onkey(b2, "x")screen.onkey(l2, "z")screen.onkey(r2, "c")screen.listen()