Python turtle.hideturtle() Examples

def setup_screen(title, background='white', screen_size_x=640, screen_size_y=320, tracer_size=200):
    print('Set up Screen')
    turtle.title(title)
    turtle.setup(screen_size_x, screen_size_y)
    turtle.hideturtle()
    turtle.penup()
    turtle.backward(240)
    turtle.tracer(tracer_size)
    turtle.bgcolor(background)  # Set the background colour of the screen 

def saveDrawing():
    # hide the turtle cursor
    turtle.hideturtle()
    # generate unique file name
    dateStr = (datetime.now()).strftime("%d%b%Y-%H%M%S")
    fileName = 'spiro-' + dateStr
    print('saving drawing to %s.eps/png' % fileName)
    # get tkinter canvas
    canvas = turtle.getcanvas()
    # save postscript image
    canvas.postscript(file=fileName + '.eps')
    # use PIL to convert to PNG
    img = Image.open(fileName + '.eps')
    img.save(fileName + '.png', 'png')
    # show turtle
    turtle.showturtle()


# main()function 

def update(self):

        # skip the rest of the steps if done
        if self.drawingComplete:
            return
        # increment the angle
        self.a+=self.step
        R,k,l=self.R, self.k, self.l
        # set the angle
        a=math.radians(self.a)
        x=self.R*((1 - k) * math.cos(a) + l * math.cos((1 - k) * a / k))
        y = R * ((1 - k) * math.sin(a) - l * math.sin((1 - k) * a / k))
        self.t.setpos(self.xc+x, self.yc+y)
        # if drawing is complete,set the flag
        if self.a>=360*self.nRot:
            self.drawingComplete=True
            # drawing is now done so hide the turtle cursor
            self.t.hideturtle()


    # clear everything 

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,
                screen_width = 800,
                screen_height = 600,
                background_color = "black",
                title = "Simple Game Library by /u/wynand1004 AKA @TokyoEdTech",
                splash_time = 3):

        # Setup using Turtle module methods
        turtle.setup(width=screen_width, height=screen_height)
        turtle.bgcolor(background_color)
        turtle.title(title)
        turtle.tracer(0) # Stop automatic screen refresh
        turtle.listen() # Listen for keyboard input
        turtle.hideturtle() # Hides default turtle
        turtle.penup() # Puts pen up for defaut turtle
        turtle.setundobuffer(0) # Do not keep turtle history in memory
        turtle.onscreenclick(self.click)

        # Game Attributes
        self.SCREEN_WIDTH = screen_width
        self.SCREEN_HEIGHT = screen_height
        self.DATAFILE = "game.dat"
        self.SPLASHFILE = "splash.gif" # Must be in the same folder as game file

        self.fps = 30.0 # Lower this on slower computers or with large number of sprites
        self.title = title
        self.gravity = 0
        self.state = "showsplash"
        self.splash_time = splash_time

        self.time = time.time()

        # Clear the terminal and print the game title
        self.clear_terminal_screen()
        print (self.title)

        # Show splash
        self.show_splash(self.splash_time)

    # Pop ups 

def setup_screen(title, background='white', screen_size_x=640, screen_size_y=320, tracer_size=800):
    print('Set up Screen')
    turtle.title(title)
    turtle.setup(screen_size_x, screen_size_y)
    turtle.hideturtle()
    turtle.penup()
    turtle.backward(240)
    # Batch drawing to the screen for faster rendering
    turtle.tracer(tracer_size)
    turtle.bgcolor(background)  # Set the background colour of the screen 

def toggleTurtles(self):
        for spiro in self.spiros:
            if spiro.t.isvisible():
                spiro.t.hideturtle()

            else:
                spiro.t.showturtle() 

def setup_screen(title, background = 'white'):
    print('Set up Screen')
    turtle.title(title)
    turtle.setup(640, 600)
    turtle.hideturtle()
    turtle.penup()
    turtle.tracer(200)
    turtle.bgcolor(background)  # Set the background colour of the screen 

def draw(self):
        # draw the reset of the points
        R, k, l = self.R, self.k, self.l
        for i in range(0,360*self.nRot+1,self.step):
            a=math.radians(i)
            x = R * ((1 - k) * math.cos(a) + l * math.cos((1 - k) * a / k))
            y = R * ((1 - k) * math.sin(a) - l * math.sin((1 - k) * a / k))
            self.t.setpos(self.xc+x,self.yc+y)
            # drawing is now done so hide the turtle cursor
            self.t.hideturtle()


    # update by one step 

def __init__(self,
                shape,
                color,
                x = 0,
                y = 0):

        turtle.Turtle.__init__(self)
        # self.hideturtle()
        self.penup()
        # Register shape if it is a .gif file
        if shape.endswith(".gif"):
            try:
                turtle.register_shape(shape)
            except:
                Game.logs.append("Warning: {} file missing from disk.".format(shape))

                # Set placeholder shape
                shape = "square"

        self.shape(shape)
        self.color(color)
        self.goto(x, y)

        #Set click binding
        self.onclick(self.click)

        # Append to master button list
        Game.buttons.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_name = font_name
        self.font_size = font_size
        self.font_type = font_type
        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 destroy(self):
        # When a sprite is destoyed move it off screen, hide it, and set state to None
        # This is a workaround as there is no way to delete a sprite from memory in the turtle module.
        self.hideturtle()
        self.goto(10000, 10000)
        self.state = None 

def __init__(
                self,
                screen_width = 800,
                screen_height = 600,
                background_color = "black",
                title = "Simple Game Library by /u/wynand1004 AKA @TokyoEdTech",
                splash_time = 3):

        # Setup using Turtle module methods
        turtle.setup(width=screen_width, height=screen_height)
        turtle.bgcolor(background_color)
        turtle.title(title)
        turtle.tracer(0) # Stop automatic screen refresh
        turtle.listen() # Listen for keyboard input
        turtle.hideturtle() # Hides default turtle
        turtle.penup() # Puts pen up for defaut turtle
        turtle.setundobuffer(0) # Do not keep turtle history in memory
        turtle.onscreenclick(self.click)

        # Game Attributes
        self.FPS = 30.0 # Lower this on slower computers or with large number of sprites
        self.SCREEN_WIDTH = screen_width
        self.SCREEN_HEIGHT = screen_height
        self.DATAFILE = "game.dat"
        self.SPLASHFILE = "splash.gif" # Must be in the same folder as game file

        self.title = title
        self.gravity = 0
        self.state = "showsplash"
        self.splash_time = splash_time

        self.time = time.time()

        # Clear the terminal and print the game title
        self.clear_terminal_screen()
        print (self.title)

        # Show splash
        self.show_splash(self.splash_time)

    # Pop ups 

def __init__(self,
                shape,
                color,
                x = 0,
                y = 0):

        turtle.Turtle.__init__(self)
        # self.hideturtle()
        self.penup()
        # Register shape if it is a .gif file
        if shape.endswith(".gif"):
            try:
                turtle.register_shape(shape)
            except:
                Game.logs.append("Warning: {} file missing from disk.".format(shape))

                # Set placeholder shape
                shape = "square"

        self.shape(shape)
        self.color(color)
        self.goto(x, y)

        #Set click binding
        self.onclick(self.click)

        # Append to master button list
        Game.buttons.append(self) 

def __init__(
                self,
                screen_width = 800,
                screen_height = 600,
                background_color = "black",
                title = "Simple Game Library by /u/wynand1004 AKA @TokyoEdTech",
                splash_time = 3):

        # Setup using Turtle module methods
        turtle.setup(width=screen_width, height=screen_height)
        turtle.bgcolor(background_color)
        turtle.title(title)
        turtle.tracer(0) # Stop automatic screen refresh
        turtle.listen() # Listen for keyboard input
        turtle.hideturtle() # Hides default turtle
        turtle.penup() # Puts pen up for defaut turtle
        turtle.setundobuffer(0) # Do not keep turtle history in memory
        turtle.onscreenclick(self.click)

        # Game Attributes
        self.FPS = 30.0 # Lower this on slower computers or with large number of sprites
        self.SCREEN_WIDTH = screen_width
        self.SCREEN_HEIGHT = screen_height
        self.DATAFILE = "game.dat"
        self.SPLASHFILE = "splash.gif" # Must be in the same folder as game file

        self.title = title
        self.gravity = 0
        self.state = "showsplash"
        self.splash_time = splash_time

        self.time = time.time()

        # Clear the terminal and print the game title
        self.clear_terminal_screen()
        print (self.title)

        # Show splash
        self.show_splash(self.splash_time)

    # Pop ups 

def __init__(self,
                shape,
                color,
                x = 0,
                y = 0):

        turtle.Turtle.__init__(self)
        # self.hideturtle()
        self.penup()
        # Register shape if it is a .gif file
        if shape.endswith(".gif"):
            try:
                turtle.register_shape(shape)
            except:
                Game.logs.append("Warning: {} file missing from disk.".format(shape))

                # Set placeholder shape
                shape = "square"

        self.shape(shape)
        self.color(color)
        self.goto(x, y)

        #Set click binding
        self.onclick(self.click)

        # Append to master button list
        Game.buttons.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_name = font_name
        self.font_size = font_size
        self.font_type = font_type
        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 destroy(self):
        # When a sprite is destoyed move it off screen, hide it, and set state to None
        # This is a workaround as there is no way to delete a sprite from memory in the turtle module.
        self.hideturtle()
        self.goto(10000, 10000)
        self.state = None 

def setup_screen(title, background='white', screen_size_x=640, screen_size_y=320, tracer_size=200):
    """ Sets up Turtle screen with useful defaults """
    print('Set up Screen')
    turtle.title(title)
    turtle.setup(screen_size_x, screen_size_y)
    turtle.hideturtle()
    turtle.penup()
    turtle.backward(240)
    turtle.tracer(tracer_size)
    turtle.bgcolor(background)  # Set the background colour of the screen 

def setup_window():
    # Set up the window
    turtle.title('Circles in My Mind')
    turtle.setup(WIDTH, HEIGHT, 0, 0)
    turtle.colormode(255)  # Indicates RGB numbers will be in the range 0 to 255
    turtle.hideturtle()
    # Batch drawing to the screen for faster rendering
    turtle.tracer(2000)

    # Speed up drawing process
    turtle.speed(10)
    turtle.penup() 

def main():
    # use sys.argv if needed
    print('genterating spirograph...')
    # create parser
    descStr ="""This program draws spirographs using the Turtle module. 
    When run with no arguments, this program draws random spirographs.
    
    Terminology:
    R: radius of outer circle.
    r: radius of inner circle.
    l: ratio of hole distance to r."""
    parser = argparse.ArgumentParser(description=descStr) # 创建参数解析器对象

    parser.add_argument('--sparams',nargs=3,dest='sparams',required=False,
                        help="The three arguments in sparams:R,r,l.") # 向解析器添加可选参数

    # parse args
    args=parser.parse_args() # 调用函数进行实际的解析

    # set to 80% screen width
    turtle.setup(width=0.8)

    # set cursor shape
    turtle.shape('turtle')

    # set title
    turtle.title("Spirographs!")
    # add key handler for saving image
    turtle.onkey(saveDrawing,"s")
    # start listening
    turtle.listen()

    # hide main turtle cursor
    turtle.hideturtle()

    # checks args and draw # 首先检查是否有参数赋给--sparams.如果有，就从字符串中提取他们，用“列表解析”将他们转换成浮点数
    if args.sparams:
        params=[float(x) for x in args.sparams]
        # draw spirograph with given parameters
        # black by default
        col=(0.0,0.0,0.0)
        spiro=Spiro(0,0,col,*params)
        spiro.draw()

    else:
        # creat animator object
        spiroAnim=SpiroAnimator(4)
        # add key handler to toggle turtle cursor
        turtle.onkey(spiroAnim.toggleTurtles,"t")
        # add key handler to toggle turtle cursor
        turtle.onkey(spiroAnim.restart,"space")

    # start turtle main loop

        turtle.mainloop()


# call main