python turtle代码示例-Python turtle.left方法代码示例

本文整理汇总了Python中turtle.left方法的典型用法代码示例。如果您正苦于以下问题：Python turtle.left方法的具体用法？Python turtle.left怎么用？Python turtle.left使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在模块turtle的用法示例。

在下文中一共展示了turtle.left方法的16个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Python代码示例。

示例1: draw_tree

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# 需要导入模块: import turtle [as 别名]

# 或者: from turtle import left [as 别名]

def draw_tree(length, width=9):

color = "brown"

if length < 1:

return

elif length < 3:

color = "green"

if width < 1:

width = 1

turtle.color(color)

turtle.width(width)

turtle.forward(length)

turtle.left(30)

draw_tree(length / FACTOR, width - 1)

turtle.right(60)

draw_tree(length / FACTOR, width - 1)

turtle.left(30)

turtle.color(color)

turtle.width(width)

turtle.backward(length)

开发者ID:johnehunt，项目名称:advancedpython3，代码行数:23，

示例2: square

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# 需要导入模块: import turtle [as 别名]

# 或者: from turtle import left [as 别名]

def square(x, y, size, name):

"""Draw square at `(x, y)` with side length `size` and fill color `name`.

The square is oriented so the bottom left corner is at (x, y).

"""

import turtle

turtle.up()

turtle.goto(x, y)

turtle.down()

turtle.color(name)

turtle.begin_fill()

for count in range(4):

turtle.forward(size)

turtle.left(90)

turtle.end_fill()

开发者ID:PacktPublishing，项目名称:Learning-Python-by-building-games，代码行数:20，

示例3: gear

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# 需要导入模块: import turtle [as 别名]

# 或者: from turtle import left [as 别名]

def gear(count, width, height):

angle = 90-(180/count)

for _ in range(count):

turtle.forward(width)

turtle.left(angle)

turtle.forward(height)

turtle.right(90)

turtle.forward(width)

turtle.right(90)

turtle.forward(height)

turtle.left(angle)

# --- main ---

# clear everything

开发者ID:furas，项目名称:python-examples，代码行数:19，

示例4: draw_pattern_rectangle

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# 需要导入模块: import turtle [as 别名]

# 或者: from turtle import left [as 别名]

def draw_pattern_rectangle(x, y, width, height, count, radius, color="red"):

rotation = 360 / count

turtle.goto(x, y)

for _ in range(count):

# move from center to circle

turtle.pu()

#turtle.color("black")

turtle.forward(radius)

turtle.right(90+rotation/2)

draw_rectangle(width, height, color)

# move from circle to center

turtle.pu()

#turtle.color("black")

turtle.left(90+rotation/2)

turtle.backward(radius)

# rotate in circle

turtle.right(rotation)

开发者ID:furas，项目名称:python-examples，代码行数:24，

示例5: draw_pattern_circle

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# 需要导入模块: import turtle [as 别名]

# 或者: from turtle import left [as 别名]

def draw_pattern_circle(x, y, r, count, radius, color="red"):

rotation = 360 / count

turtle.goto(x, y)

for _ in range(count):

# move from center to circle

#turtle.pu()

turtle.color("black")

turtle.forward(radius)

turtle.right(90)

draw_circle(r, color)

# move from circle to center

#turtle.pu()

turtle.color("black")

turtle.left(90)

turtle.backward(radius)

# rotate in circle

turtle.right(rotation)

开发者ID:furas，项目名称:python-examples，代码行数:24，

示例6: draw_koch

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# 需要导入模块: import turtle [as 别名]

# 或者: from turtle import left [as 别名]

def draw_koch(size, depth):

if depth > 0:

for angle in ANGLES:

draw_koch(size / 3, depth - 1)

turtle.left(angle)

else:

turtle.forward(size)

开发者ID:johnehunt，项目名称:advancedpython3，代码行数:9，

示例7: draw_snowflake

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# 需要导入模块: import turtle [as 别名]

# 或者: from turtle import left [as 别名]

def draw_snowflake(size):

""" Draw a picture of a snowflake """

turtle.penup()

turtle.forward(10 * size)

turtle.left(45)

turtle.pendown()

turtle.color(generate_random_colour())

# draw branch 8 times to make a snowflake

for _ in range(8):

draw_branch(size)

turtle.forward(size)

turtle.left(45)

turtle.penup()

开发者ID:johnehunt，项目名称:advancedpython3，代码行数:17，

示例8: draw_branch

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# 需要导入模块: import turtle [as 别名]

# 或者: from turtle import left [as 别名]

def draw_branch(size):

""" Draw an individual branch on a snowflake """

side_branch_size = size / 3

for _ in range(3):

for i in range(3):

turtle.forward(side_branch_size)

turtle.backward(side_branch_size)

turtle.right(45)

turtle.left(90)

turtle.backward(side_branch_size)

turtle.left(45)

turtle.right(90)

开发者ID:johnehunt，项目名称:advancedpython3，代码行数:14，

示例9: hexagon

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# 需要导入模块: import turtle [as 别名]

# 或者: from turtle import left [as 别名]

def hexagon():

for _ in range(6):

turtle.forward(50)

turtle.left(60)

开发者ID:johnehunt，项目名称:advancedpython3，代码行数:6，

示例10: arc

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# 需要导入模块: import turtle [as 别名]

# 或者: from turtle import left [as 别名]

def arc(sa, ea, x, y, r): # start angle,end angle,circle center,radius

turtle.penup()

turtle.goto(x, y)

turtle.setheading(0)

turtle.left(sa)

turtle.fd(r)

turtle.pendown()

turtle.left(90)

turtle.circle(r, (ea - sa))

return turtle.position()

开发者ID:MiracleYoung，项目名称:You-are-Pythonista，代码行数:12，

示例11: draw_rectangle

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# 需要导入模块: import turtle [as 别名]

# 或者: from turtle import left [as 别名]

def draw_rectangle(size):

for _ in range(4):

turtle.forward(size)

turtle.left(90)

# --- main ---

# clear everything

开发者ID:furas，项目名称:python-examples，代码行数:10，

示例12: move

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# 需要导入模块: import turtle [as 别名]

# 或者: from turtle import left [as 别名]

def move():

if running:

t.forward(15)

angle = random.randint(-9, 9) * 10

t.left(angle)

t.ontimer(move, 25) # 25ms

开发者ID:furas，项目名称:python-examples，代码行数:8，

示例13: s

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# 需要导入模块: import turtle [as 别名]

# 或者: from turtle import left [as 别名]

def s(n, l):

if n == 0: # stop conditions

# draw filled rectangle

turtle.color("black")

turtle.begin_fill()

for _ in range (4):

turtle.forward(l)

turtle.left(90)

turtle.end_fill()

else: # recursion

# around center point create 8 smalles rectangles.

# create two rectangles on every side

# so you have to repeat it four times

for _ in range(4):

# first rectangle

s(n-1, l/3)

turtle.forward(l/3)

# second rectangle

s(n-1, l/3)

turtle.forward(l/3)

# go to next corner

turtle.forward(l/3)

turtle.left(90)

# update screen

turtle.update()

# --- main ---

# stop updating screen (to make it faster)

开发者ID:furas，项目名称:python-examples，代码行数:40，

示例14: draw_1

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# 需要导入模块: import turtle [as 别名]

# 或者: from turtle import left [as 别名]

def draw_1(length, level):

if level < 1:

turtle.fd(length)

else:

length = length/3

draw_1(length, level-1)

turtle.left(90)

draw_1(length, level-1)

turtle.right(90)

draw_1(length, level-1)

turtle.right(90)

draw_1(length, level-1)

turtle.left(90)

draw_1(length, level-1)

开发者ID:furas，项目名称:python-examples，代码行数:17，

示例15: draw_2

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# 需要导入模块: import turtle [as 别名]

# 或者: from turtle import left [as 别名]

def draw_2(length, level):

if level < 1:

turtle.fd(length)

else:

length = length/3

draw_2(length, level-1)

turtle.left(60)

draw_2(length, level-1)

turtle.right(180-60)

draw_2(length, level-1)

turtle.left(60)

draw_2(length, level-1)

开发者ID:furas，项目名称:python-examples，代码行数:15，

示例16: turn_left

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# 需要导入模块: import turtle [as 别名]

# 或者: from turtle import left [as 别名]

def turn_left(width, step, draw):

for _ in range(4):

draw(width, step)

turtle.left(90)

开发者ID:furas，项目名称:python-examples，代码行数:6，

注：本文中的turtle.left方法示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。