Python Turtle Graphics Drawing - Batman Logo

Python Turtle Graphics Drawing - Batman Logo

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Featuring: 

Bézier curve

Source code:

from turtle import *

from math import atan2,degrees

setup(750,450)

YEL = '#FFF800'

BLK = '#000000'

def cbezto(b,c,d):

    a=pos()

    t = 0.0

    while t <= 1.0:

        t3 = t**3

        t2 = t**2

        f1 = -t3+3*t2-3*t+1

        f2 = 3*t3-6*t2+3*t

        f3 = -3*t3+3*t2

        f4 = t3

        x = a[0]*f1 + b[0]*f2 + c[0]*f3 + d[0]*f4

        y = a[1]*f1 + b[1]*f2 + c[1]*f3 + d[1]*f4

        d1 = -3*t2+6*t-3

        d2 = 9*t2-12*t+3

        d3 = -9*t2+6*t

        d4 = 3*t2

        dx = a[0]*d1 + b[0]*d2 + c[0]*d3 + d[0]*d4

        dy = a[1]*d1 + b[1]*d2 + c[1]*d3 + d[1]*d4

        angr = atan2(dy, dx)

        seth(degrees(angr))

        goto(x, y)

        t += 0.05

    goto(d)

up()

lt(90)

fd(200)

down()

color(BLK)

begin_fill()

cbezto((203,198),(350,107),(350,0))

cbezto((350,-107),(203,-198),(0,-200))

cbezto((-203,-198),(-350,-107),(-350,0))

cbezto((-350,107),(-203,198),(0,200))

end_fill()

color(YEL)

up()

rt(93.1)

fd(10)

down()

begin_fill()

cbezto((208,188),(339,99),(340,0))

cbezto((339,-99),(208,-188),(0,-190))

cbezto((-208,-188),(-339,-99),(-340,0))

cbezto((-339,99),(-208,188),(0,190))

end_fill()

color(BLK)

up()

rt(93)

fd(331)

down()

begin_fill()

cbezto((21,-55),(81,-38),(107,-85))

cbezto((166,-17),(242,-75),(185,-129))

cbezto((391,-47),(323,106),(131,149))

cbezto((194,65),(91,23),(48,64))

cbezto((39,94),(36,127),(36,166))

lt(150.8)

fd(47.9)

rt(61.3)

fd(26)

rt(61.3)

fd(47.9)

cbezto((-36,127),(-39,94),(-48,64))

cbezto((-91,23),(-194,65),(-131,149))

cbezto((-323,106),(-391,-47),(-185,-129))

cbezto((-242,-75),(-166,-17),(-107,-85))

cbezto((-81,-38),(-21,-55),(0,-141))

end_fill()

hideturtle()

done()