1 files changed, 0 insertions, 181 deletions
diff --git a/Demo/turtle/tdemo_penrose.py b/Demo/turtle/tdemo_penrose.py
deleted file mode 100644
index f816f66..0000000
--- a/Demo/turtle/tdemo_penrose.py
+++ /dev/null
@@ -1,181 +0,0 @@
-#!/usr/bin/python
-"""       xturtle-example-suite:
-
-          xtx_kites_and_darts.py
-
-Constructs two aperiodic penrose-tilings,
-consisting of kites and darts, by the method
-of inflation in six steps.
-
-Starting points are the patterns "sun"
-consisting of five kites and "star"
-consisting of five darts.
-
-For more information see:
- http://en.wikipedia.org/wiki/Penrose_tiling
- -------------------------------------------
-"""
-from turtle import *
-from math import cos, pi
-from time import clock, sleep
-
-f = (5**0.5-1)/2.0   # (sqrt(5)-1)/2 -- golden ratio
-d = 2 * cos(3*pi/10)
-
-def kite(l):
-    fl = f * l
-    lt(36)
-    fd(l)
-    rt(108)
-    fd(fl)
-    rt(36)
-    fd(fl)
-    rt(108)
-    fd(l)
-    rt(144)
-
-def dart(l):
-    fl = f * l
-    lt(36)
-    fd(l)
-    rt(144)
-    fd(fl)
-    lt(36)
-    fd(fl)
-    rt(144)
-    fd(l)
-    rt(144)
-
-def inflatekite(l, n):
-    if n == 0:
-        px, py = pos()
-        h, x, y = int(heading()), round(px,3), round(py,3)
-        tiledict[(h,x,y)] = True
-        return
-    fl = f * l
-    lt(36)
-    inflatedart(fl, n-1)
-    fd(l)
-    rt(144)
-    inflatekite(fl, n-1)
-    lt(18)
-    fd(l*d)
-    rt(162)
-    inflatekite(fl, n-1)
-    lt(36)
-    fd(l)
-    rt(180)
-    inflatedart(fl, n-1)
-    lt(36)
-
-def inflatedart(l, n):
-    if n == 0:
-        px, py = pos()
-        h, x, y = int(heading()), round(px,3), round(py,3)
-        tiledict[(h,x,y)] = False
-        return
-    fl = f * l
-    inflatekite(fl, n-1)
-    lt(36)
-    fd(l)
-    rt(180)
-    inflatedart(fl, n-1)
-    lt(54)
-    fd(l*d)
-    rt(126)
-    inflatedart(fl, n-1)
-    fd(l)
-    rt(144)
-
-def draw(l, n, th=2):
-    clear()
-    l = l * f**n
-    shapesize(l/100.0, l/100.0, th)
-    for k in tiledict:
-        h, x, y = k
-        setpos(x, y)
-        setheading(h)
-        if tiledict[k]:
-            shape("kite")
-            color("black", (0, 0.75, 0))
-        else:
-            shape("dart")
-            color("black", (0.75, 0, 0))
-        stamp()
-
-def sun(l, n):
-    for i in range(5):
-        inflatekite(l, n)
-        lt(72)
-
-def star(l,n):
-    for i in range(5):
-        inflatedart(l, n)
-        lt(72)
-
-def makeshapes():
-    tracer(0)
-    begin_poly()
-    kite(100)
-    end_poly()
-    register_shape("kite", get_poly())
-    begin_poly()
-    dart(100)
-    end_poly()
-    register_shape("dart", get_poly())
-    tracer(1)
-
-def start():
-    reset()
-    ht()
-    pu()
-    makeshapes()
-    resizemode("user")
-
-def test(l=200, n=4, fun=sun, startpos=(0,0), th=2):
-    global tiledict
-    goto(startpos)
-    setheading(0)
-    tiledict = {}
-    a = clock()
-    tracer(0)
-    fun(l, n)
-    b = clock()
-    draw(l, n, th)
-    tracer(1)
-    c = clock()
-    print("Calculation:   %7.4f s" % (b - a))
-    print("Drawing:  %7.4f s" % (c - b))
-    print("Together: %7.4f s" % (c - a))
-    nk = len([x for x in tiledict if tiledict[x]])
-    nd = len([x for x in tiledict if not tiledict[x]])
-    print("%d kites and %d darts = %d pieces." % (nk, nd, nk+nd))
-
-def demo(fun=sun):
-    start()
-    for i in range(8):
-        a = clock()
-        test(300, i, fun)
-        b = clock()
-        t = b - a
-        if t < 2:
-            sleep(2 - t)
-
-def main():
-    #title("Penrose-tiling with kites and darts.")
-    mode("logo")
-    bgcolor(0.3, 0.3, 0)
-    demo(sun)
-    sleep(2)
-    demo(star)
-    pencolor("black")
-    goto(0,-200)
-    pencolor(0.7,0.7,1)
-    write("Please wait...",
-          align="center", font=('Arial Black', 36, 'bold'))
-    test(600, 8, startpos=(70, 117))
-    return "Done"
-
-if __name__ == "__main__":
-    msg = main()
-    mainloop()