def main():
window = turtle.Screen() # creat a screen
window.bgcolor("blue")
lucy = turtle.Turtle()
lucy.shape("turtle")
lucy.color("red")
lucy.width(5)
lucy.speed(0)
# Drawing flower
flower(lucy, 10, 40, 100, 360)
# Drawing pedicel
lucy.color("brown")
lucy.rt(90)
lucy.fd(200)
# Drawing leaf
lucy.rt(270)
lucy.color("green")
leaf(lucy, 40, 80, 180)
lucy.ht()
window.exitonclick()
# call the main function to start!
python类Turtle()的实例源码
def main():
p = Turtle()
p.ht()
tracer(75,0)
u = doit1(6, Turtle(undobuffersize=1))
s = doit2(7, Turtle(undobuffersize=1))
t = doit3(5, Turtle(undobuffersize=1))
a = clock()
while True:
done = 0
for b in u,s,t:
try:
b.__next__()
except:
done += 1
if done == 3:
break
tracer(1,10)
b = clock()
return "runtime: %.2f sec." % (b-a)
def __init__(self, game):
self.game = game
self.screen = game.screen
self.model = game.model
self.screen.colormode(255)
self.screen.tracer(False)
self.screen.bgcolor((240, 240, 255))
self.writer = turtle.Turtle(visible=False)
self.writer.pu()
self.writer.speed(0)
self.sticks = {}
for row in range(3):
for col in range(MAXSTICKS):
self.sticks[(row, col)] = Stick(row, col, game)
self.display("... a moment please ...")
self.screen.tracer(True)
def __init__(self,
text,
color,
x = 0,
y = 0,
font_name = "Arial",
font_size = 12,
font_type = "normal",
align = "left"):
turtle.Turtle.__init__(self)
self.hideturtle()
self.penup()
self.goto(x, y)
self.color(color)
self.font = (font_name, font_size, font_type)
self.align = align
# Attributes
self.text = text
# Append to master label list
Game.labels.append(self)
def __init__(self,
text,
color,
x = 0,
y = 0,
font_name = "Arial",
font_size = 12,
font_type = "normal",
align = "left"):
turtle.Turtle.__init__(self)
self.hideturtle()
self.penup()
self.goto(x, y)
self.color(color)
self.font = (font_name, font_size, font_type)
self.align = align
# Attributes
self.text = text
# Append to master label list
Game.labels.append(self)
def main():
windows = turtle.Screen()#????
windows.bgcolor('blue')#????
bran = turtle.Turtle()#????
bran.shape('turtle')
bran.color('yellow')
bran.speed(2)#????
for i in range(1,5):#????
bran.forward(100)
bran.right(45)
bran.forward(100)
bran.right(45)
bran.forward(100)
bran.right(45)
bran.forward(100)
bran.right(45)
def main():
#??????
windows=turtle.Screen()
#????
windows.bgcolor('pink')
#???????
bran=turtle.Turtle()#???T?????
bran.shape('turtle')
bran.color('purple')
#????
bran.speed(1)
for i in range(1,20):
bran.forward(100)
bran.left(72)
bran.forward(100)
bran.right(144)
def main():
#??????
windows = turtle.Screen()
#????
windows.bgcolor('blue')
#????????
bran = turtle.Turtle()
bran.shape('turtle')
bran.color('yellow')
#????
bran.speed(1)
#???
for i in range(1,10):
bran.forward(100)
bran.right(90)
bran.forward(150)
bran.right(90)
bran.forward(100)
bran.right(90)
bran.forward(150)
bran.right(90)
#???
def __init__(self, game):
self.game = game
self.screen = game.screen
self.model = game.model
self.screen.colormode(255)
self.screen.tracer(False)
self.screen.bgcolor((240, 240, 255))
self.writer = turtle.Turtle(visible=False)
self.writer.pu()
self.writer.speed(0)
self.sticks = {}
for row in range(3):
for col in range(MAXSTICKS):
self.sticks[(row, col)] = Stick(row, col, game)
self.display("... a moment please ...")
self.screen.tracer(True)
def main():
s = Screen()
s.bgcolor("black")
p=Turtle()
p.speed(0)
p.hideturtle()
p.pencolor("red")
p.pensize(3)
s.tracer(36,0)
at = clock()
mn_eck(p, 36, 19)
et = clock()
z1 = et-at
sleep(1)
at = clock()
while any([t.undobufferentries() for t in s.turtles()]):
for t in s.turtles():
t.undo()
et = clock()
return "runtime: %.3f sec" % (z1+et-at)
def main():
s = Screen()
s.bgcolor("black")
p=Turtle()
p.speed(0)
p.hideturtle()
p.pencolor("red")
p.pensize(3)
s.tracer(36,0)
at = clock()
mn_eck(p, 36, 19)
et = clock()
z1 = et-at
sleep(1)
at = clock()
while any([t.undobufferentries() for t in s.turtles()]):
for t in s.turtles():
t.undo()
et = clock()
return "Laufzeit: %.3f sec" % (z1+et-at)
def __init__(self, game):
self.game = game
self.screen = game.screen
self.model = game.model
self.screen.colormode(255)
self.screen.tracer(False)
self.screen.bgcolor((240, 240, 255))
self.writer = turtle.Turtle(visible=False)
self.writer.pu()
self.writer.speed(0)
self.sticks = {}
for row in range(3):
for col in range(MAXSTICKS):
self.sticks[(row, col)] = Stick(row, col, game)
self.display("... a moment please ...")
self.screen.tracer(True)
def drawtree(root):
def height(root):
return 1 + max(height(root.left), height(root.right)) if root else -1
def jumpto(x, y):
t.penup()
t.goto(x, y)
t.pendown()
def draw(node, x, y, dx):
if node:
t.goto(x, y)
jumpto(x, y-20)
t.write(node.val, align='center', font=('Arial', 12, 'normal'))
draw(node.left, x-dx, y-60, dx/2)
jumpto(x, y-20)
draw(node.right, x+dx, y-60, dx/2)
import turtle
t = turtle.Turtle()
t.speed(0); turtle.delay(0)
h = height(root)
jumpto(0, 30*h)
draw(root, 0, 30*h, 40*h)
t.hideturtle()
turtle.mainloop()
03_circular_patterns_with_sqaures.py 文件源码
项目：PythonMaterial
作者: udhayprakash
项目源码
文件源码
阅读 22
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def draw_square():
window = turtle.Screen()
window.bgcolor("red")
brad = turtle.Turtle()
brad.shape("turtle")
brad.color("yellow")
brad.speed(5)
counter = 0
while counter < 36:
brad.forward(100)
brad.right(90)
brad.forward(100)
brad.right(90)
brad.forward(100)
brad.right(90)
brad.forward(100)
brad.right(100)
counter += 1
window.exitonclick()
def Init():
global secHand, minHand, hurHand, printer
turtle.mode("logo") # ??Turtle???
# ??????Turtle????
mkHand("secHand", 125)
mkHand("minHand", 130)
mkHand("hurHand", 90)
secHand = turtle.Turtle()
secHand.shape("secHand")
minHand = turtle.Turtle()
minHand.shape("minHand")
hurHand = turtle.Turtle()
hurHand.shape("hurHand")
for hand in secHand, minHand, hurHand:
hand.shapesize(1, 1, 3)
hand.speed(0)
# ??????Turtle
printer = turtle.Turtle()
printer.hideturtle()
printer.penup()
def main():
tList = []
head = 0
numTurtles = 10
wn = turtle.Screen()
wn.setup(500,500)
for i in range(numTurtles):
nt = turtle.Turtle() # Make a new turtle, initialize values
nt.setheading(head)
nt.pensize(2)
nt.color(random.randrange(256),random.randrange(256),random.randrange(256))
nt.speed(10)
wn.tracer(30,0)
tList.append(nt) # Add the new turtle to the list
head = head + 360/numTurtles
for i in range(100):
moveTurtles(tList,15,i)
w = tList[0]
w.up()
w.goto(0,40)
w.write("How to Think Like a ",True,"center","40pt Bold")
w.goto(0,-35)
w.write("Computer Scientist",True,"center","40pt Bold")
def main():
s = Screen()
s.bgcolor("black")
p=Turtle()
p.speed(0)
p.hideturtle()
p.pencolor("red")
p.pensize(3)
s.tracer(36,0)
at = clock()
mn_eck(p, 36, 19)
et = clock()
z1 = et-at
sleep(1)
at = clock()
while any([t.undobufferentries() for t in s.turtles()]):
for t in s.turtles():
t.undo()
et = clock()
return "runtime: %.3f sec" % (z1+et-at)
def main():
p = Turtle()
p.ht()
tracer(75,0)
u = doit1(6, Turtle(undobuffersize=1))
s = doit2(7, Turtle(undobuffersize=1))
t = doit3(5, Turtle(undobuffersize=1))
a = clock()
while True:
done = 0
for b in u,s,t:
try:
b.__next__()
except:
done += 1
if done == 3:
break
tracer(1,10)
b = clock()
return "runtime: %.2f sec." % (b-a)
def main():
#??????
windows = turtle.Screen()
#????
windows.bgcolor('blue')
#????????
bran = turtle.Turtle()
bran.shape('turtle')
bran.color('yellow')
#????
bran.speed(1)
#???
for i in range(1,10):
bran.forward(100)
bran.right(90)
bran.forward(150)
bran.right(90)
bran.forward(100)
bran.right(90)
bran.forward(150)
bran.right(90)
#???
def main():
# windows=turtle.Screen()
# windows.bgcolor('blue')
bran=turtle.Turtle()
bran.shape('classic')
bran.color('black')
bran.speed(2)
while True:
# bran.forward(10)
bran.down()
bran.right(60)
bran.circle(80)
# bran.forward(10)
# bran2.left(30)
# bran2.goto(0,0)
# bran2.forward(10)
def __init__(self, game):
self.game = game
self.screen = game.screen
self.model = game.model
self.screen.colormode(255)
self.screen.tracer(False)
self.screen.bgcolor((240, 240, 255))
self.writer = turtle.Turtle(visible=False)
self.writer.pu()
self.writer.speed(0)
self.sticks = {}
for row in range(3):
for col in range(MAXSTICKS):
self.sticks[(row, col)] = Stick(row, col, game)
self.display("... a moment please ...")
self.screen.tracer(True)
def main():
s = Screen()
s.bgcolor("black")
p=Turtle()
p.speed(0)
p.hideturtle()
p.pencolor("red")
p.pensize(3)
s.tracer(36,0)
at = clock()
mn_eck(p, 36, 19)
et = clock()
z1 = et-at
sleep(1)
at = clock()
while any([t.undobufferentries() for t in s.turtles()]):
for t in s.turtles():
t.undo()
et = clock()
return "runtime: %.3f sec" % (z1+et-at)
def main():
p = Turtle()
p.ht()
tracer(75,0)
u = doit1(6, Turtle(undobuffersize=1))
s = doit2(7, Turtle(undobuffersize=1))
t = doit3(5, Turtle(undobuffersize=1))
a = clock()
while True:
done = 0
for b in u,s,t:
try:
b.__next__()
except:
done += 1
if done == 3:
break
tracer(1,10)
b = clock()
return "runtime: %.2f sec." % (b-a)
def lose():
state.clear()
state.color("white")
state.write("YOU LOSE!!", font=("Arial",50,"bold"))
cordxy=letter[0].pos()
temp=turtle.Turtle()
temp.ht()
temp.speed(0)
temp.color("white")
temp.penup()
temp.setpos(cordxy[0],cordxy[1]+40)
temp.pendown()
temp.write("This was the movie:",align="left", font=("Arial", 30, "bold"))
for i in range(len(movie)):
if(movie[i] not in user_list_correct):
letter[i].color("red")
letter[i].write(movie[i],align="left", font=("Arial", 20, "bold"))
def arc(t, r, angle):
"""Draws an arc with the given radius and angle.
t: Turtle
r: radius
angle: angle subtended by the arc, in degrees
"""
arc_length = 2 * math.pi * r * abs(angle) / 360
n = int(arc_length / 4) + 1
step_length = arc_length / n
step_angle = float(angle) / n
# making a slight left turn before starting reduces
# the error caused by the linear approximation of the arc
t.lt(step_angle/2)
polyline(t, n, step_length, step_angle)
t.rt(step_angle/2)
def isosceles(t, r, angle):
"""Draws an icosceles triangle.
The turtle starts and ends at the peak, facing the middle of the base.
t: Turtle
r: length of the equal legs
angle: peak angle in degrees
"""
y = r * math.sin(angle * math.pi / 180)
t.rt(angle)
t.fd(r)
t.lt(90+angle)
t.fd(2*y)
t.lt(90+angle)
t.fd(r)
t.lt(180-angle)
def arc(t, r, angle):
"""Draws an arc with the given radius and angle.
t: Turtle
r: radius
angle: angle subtended by the arc, in degrees
"""
arc_length = 2 * math.pi * r * abs(angle) / 360
n = int(arc_length / 4) + 1
step_length = arc_length / n
step_angle = float(angle) / n
# making a slight left turn before starting reduces
# the error caused by the linear approximation of the arc
t.lt(step_angle/2)
polyline(t, n, step_length, step_angle)
t.rt(step_angle/2)
def arc(t, r, angle):
"""Draws an arc with the given radius and angle.
t: Turtle
r: radius
angle: angle subtended by the arc, in degrees
"""
arc_length = 2 * math.pi * r * abs(angle) / 360
n = int(arc_length / 4) + 1
step_length = arc_length / n
step_angle = float(angle) / n
# making a slight left turn before starting reduces
# the error caused by the linear approximation of the arc
t.lt(step_angle/2)
polyline(t, n, step_length, step_angle)
t.rt(step_angle/2)
def myInitialize():
#wn = turtle.Screen()
alex = turtle.Turtle()
alex.forward(150)
alex.right(200)
alex.write("Initialization done.")
print ("Initialization done.")
def drawNodeGraphTurtle(g):
'Draws node map with turtle graphics.'
alex = turtle.Turtle()
alex.rt(30)
#For every node: draw it.
for n in g:
alex.forward(25)
alex.write(n[1])
print ("Initialization done.")
