def step(self):
"""Performs one time step."""
TurtleWorld.step(self)
# compute average turtle speed
total = 0.0
for turtle in self.animals:
total += turtle.speed
print total / len(self.animals)
def step(self):
"""Performs one time step."""
TurtleWorld.step(self)
# compute average turtle speed
total = 0.0
for turtle in self.animals:
total += turtle.speed
print total / len(self.animals)
def make_world(constructor):
#constructor ~ Wobbler
# create TurtleWorld
world = TurtleWorld()
world.delay = 2
world.setup_run(
) #setup_run(self) Adds a row of buttons for run, step, stop and clear.
# make three Wobblers with different speed and clumsiness attributes
colors = ['orange', 'green', 'purple']
i = 1.0
for color in colors:
t = constructor(
world, i, i * 30, color
) #Wobbler.__init__(self, world, speed=1, clumsiness=60, color='red')
i += 0.5
return world
def __init__(self):
TurtleWorld.__init__(self)
self.rows = 2.0
self.delay = 0.01
self.colors = color_list.make_color_dict().values()
def __init__(self):
TurtleWorld.__init__(self)
self.rows = 2.0
self.delay = 0.01
self.colors = swampy.color_list.make_color_dict().values()
#!/usr/bin/python """ This module is part of Swampy, a suite of programs available from allendowney.com/swampy. Copyright 2005 Allen B. Downey Distributed under the GNU General Public License at gnu.org/licenses/gpl.html. """ from swampy.TurtleWorld import TurtleWorld, Turtle # create the GUI world = TurtleWorld(interactive=True) # create the Turtle turtle = Turtle() # wait for the user to do something world.mainloop()
#!/usr/bin/python """ This module is part of Swampy, a suite of programs available from allendowney.com/swampy. Copyright 2005 Allen B. Downey Distributed under the GNU General Public License at gnu.org/licenses/gpl.html. """ import swampy.World from swampy.TurtleWorld import TurtleWorld, Turtle import swampy.Lumpy lumpy = Lumpy.Lumpy() lumpy.opaque_class(World.Interpreter) lumpy.make_reference() world = TurtleWorld() bob = Turtle(world) lumpy.object_diagram() lumpy.class_diagram()
if n < 8:
self.fd(n)
return
for angle in [-60, 120, -60, 0]:
self.koch(n / 3.0)
self.rt(angle)
def snowflake(self):
"""Draws a Koch snowflake."""
for i in range(3):
self.koch(300)
self.rt(120)
self.undraw()
def make_threader(world):
"""Creates a Threader and makes it draw a snowflake."""
t = Threader(world)
t.moveto(-150, 90)
# TODO: modify this so it runs in a new thread
t.snowflake()
world = TurtleWorld()
world.setup_interactive()
# add a button that calls make_threader
world.bu(text='Make Threader', command=Callable(make_threader, world))
world.mainloop()
self.fd(n)
return
for angle in [-60, 120, -60, 0]:
self.koch(n/3.0)
self.rt(angle)
def snowflake(self):
"""Draws a Koch snowflake."""
for i in range(3):
self.koch(300)
self.rt(120)
self.undraw()
def make_threader(world):
"""Creates a Threader and makes it draw a snowflake."""
t = Threader(world)
t.moveto(-150, 90)
# TODO: modify this so it runs in a new thread
t.snowflake()
world = TurtleWorld()
world.setup_interactive()
# add a button that calls make_threader
world.bu(text='Make Threader', command=Callable(make_threader, world))
world.mainloop()
teleport(bob, -180, bob.y-size*3)
bob.busy = False
return
# figure out which function to call, and call it
try:
func = eval('draw_' + event.char)
except NameError:
print ("I don't know how to draw an", event.char)
bob.busy = False
return
func(bob, size)
skip(bob, size/2)
bob.busy = False
world = TurtleWorld()
# create and position the turtle
size = 20
bob = Turtle(world)
bob.delay = 0.01
bob.busy = False
teleport(bob, -180, 150)
# tell world to call keypress when the user presses a key
world.bind('<Key>', keypress)
world.mainloop()
