python turtle绘图命令及案例

# 导入 turtle 模块 

import turtle as t

t.goto(100,100)

t.goto(100,-100)

t.goto(-100,-100)

t.goto(-100,100)

t.goto(0,0)

t.done()

# 用for循环初步实现画笔自动绘图

import turtle as t

for i in range(20):

    # 画笔向前移动

    t.forward(100 + 10 * i)

    # 顺时针旋转120°

    t.right(120)

t.done()

# 用for循环初步实现画笔自动绘图并显示其印记

import turtle as t

for i in range(20):

    # 画笔向前移动

    t.forward(100 + 10 * i)

    #t.shape("turtle")  # 海龟

    #t.shape("circle")  # 圆

    t.shape("square")  # 正方形

    # 打印turtle印记

    t.stamp()

    # 顺时针旋转60°

    t.right(60)

t.done()

# 绘制金光闪闪的太阳

import turtle as t

# 为小数时表示占据电脑屏幕的比例

t.setup(width = 0.6, height = 0.6)

# t.pencolor("red")

t.color("red", "yellow")

t.begin_fill()

# 控制绘图时间

t.speed(20)

while True:

    t.forward(200)

    t.left(170)

    # print(t.pos())

    if abs(t.pos()) < 1:

        break

t.end_fill()

t.write("一颗金光闪闪的太阳", align = "right", font = ("Arial", 20, "normal"))

t.done()

# 粉色的爱心

import turtle as t

t.setup(800,800)

t.speed(8)

# 设置画笔大小

t.pensize(10)

t.hideturtle()

t.pencolor("pink")

t.left(45)

t.forward(80)

t.circle(35,210)

t.right(150)

t.circle(35,210)

t.forward(80)

t.done()