Python源码示例：turtle.right()
示例1
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)
示例2
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
示例3
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
示例4
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)
示例5
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)
示例6
def createClock(radius):
turtle.reset()
turtle.pensize(7)
for i in range(60):
move(radius)
if i % 5 == 0:
turtle.forward(20)
move(-radius-20)
else:
turtle.dot(5)
move(-radius)
turtle.right(6)
示例7
def startTick(second_hand, minute_hand, hour_hand, printer):
today = datetime.datetime.today()
second = today.second + today.microsecond * 1e-6
minute = today.minute + second / 60.
hour = (today.hour + minute / 60) % 12
# 设置朝向
second_hand.setheading(6 * second)
minute_hand.setheading(6 * minute)
hour_hand.setheading(12 * hour)
turtle.tracer(False)
printer.forward(65)
printer.write(getWeekday(today), align='center', font=("Courier", 14, "bold"))
printer.forward(120)
printer.write('12', align='center', font=("Courier", 14, "bold"))
printer.back(250)
printer.write(getDate(today), align='center', font=("Courier", 14, "bold"))
printer.back(145)
printer.write('6', align='center', font=("Courier", 14, "bold"))
printer.home()
printer.right(92.5)
printer.forward(200)
printer.write('3', align='center', font=("Courier", 14, "bold"))
printer.left(2.5)
printer.back(400)
printer.write('9', align='center', font=("Courier", 14, "bold"))
printer.home()
turtle.tracer(True)
# 100ms调用一次
turtle.ontimer(lambda: startTick(second_hand, minute_hand, hour_hand, printer), 100)
示例8
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)
示例9
def draw_square(size):
""" Function to draw a square """
turtle.forward(size)
turtle.right(90)
turtle.forward(size)
turtle.right(90)
turtle.forward(size)
turtle.right(90)
turtle.forward(size)
示例10
def draw_square(size):
""" Draw a square in the current direction """
turtle.forward(size)
turtle.right(90)
turtle.forward(size)
turtle.right(90)
turtle.forward(size)
turtle.right(90)
turtle.forward(size)
示例11
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)
示例12
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)
示例13
def turn_right(width, step, draw):
for _ in range(4):
draw(width, step)
turtle.right(90)
# --- main ---
# clear everything
示例14
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)
示例15
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)
示例16
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)
示例17
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)
示例18
def turn_right(width, step, draw):
for _ in range(4):
draw(width, step)
turtle.right(90)
# --- main ---
# clear everything
示例19
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)
示例20
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)
示例21
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)
示例22
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)
示例23
def turn_right(width, step, draw):
for _ in range(4):
draw(width, step)
turtle.right(90)
# --- main ---
# clear everything
示例24
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)
示例25
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)
示例26
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)
示例27
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)
示例28
def turn_right(width, step, draw):
for _ in range(4):
draw(width, step)
turtle.right(90)
# --- main ---
# clear everything
示例29
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)
示例30
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)
