Python的turtle库使用-画出好看的图形（Python的turtle库使用-画出好看的图形）

import turtle turtle.shape('turtle') turtle.speed(9) # 画笔速度 turtle.pensize(2) # 画笔的宽度 turtle.bgcolor("black") # 画布背景色 colors = ["red","yellow","green","blue"] # 定义画笔线色 for i in range(255): # 循环一次 画一条线 turtle.forward(2 * i) # 向当前方向前进n像素 turtle.color(colors[i % 4]) # 根据求余 调整画笔线色 turtle.left(91) # 向左旋转91度 turtle.done()

import turtle turtle.shape('turtle') turtle.color('orange', 'green') turtle.begin_fill() while True: turtle.forward(200) turtle.left(170) if abs(turtle.pos()) < 1: break turtle.end_fill() turtle.done()

import turtle turtle.shape('turtle') turtle.screensize(2000, 2000, 'white') # 设置画布大小 turtle.speed(9) # 绘制旗面 turtle.pencolor('red') # pu() turtle.goto(-300, -200) turtle.pd() turtle.fillcolor('red') turtle.begin_fill() for i in range(0, 2): turtle.fd(600) turtle.lt(90) turtle.fd(400) turtle.lt(90) turtle.end_fill() # 绘制大五角星 turtle.pu() turtle.pencolor('yellow') turtle.goto(-260, 120) turtle.pd() turtle.fillcolor('yellow') turtle.begin_fill() for i in range(0, 5): turtle.fd(113.137) # 大星一划的边长 turtle.rt(144) turtle.end_fill() # 绘制四个小五角星 list1 = [(-100, 160), (-60, 120), (-60, 60), (-100, 20)] # 四个五角星的中心坐标 list2 = [31.98, 8.13, -15.59, -38.66] # 相对角度0的后退1.111需要左转的角度 for j in range(0, 4): turtle.seth(0) # 这是龟头角度为0 turtle.pu() turtle.goto(list1[j]) # 定位到五角星中心 turtle.lt(list2[j]) # 旋转角度，以背向指向大五角星的角尖 turtle.bk(20) # 从五角星中心到指向大五角星的角尖（龟倒着爬)退一个小圆半径 turtle.lt(18) # 五角星的半角角度 turtle.pd() turtle.begin_fill() for i in range(0, 5): turtle.fd(113.137 / 3) # 小星一划的边长 turtle.rt(144) turtle.end_fill() turtle.pu() turtle.ht() turtle.done()

import turtle import time turtle.shape('turtle') turtle.speed(5) # 设置初始位置 turtle.penup() turtle.left(90) turtle.fd(200) turtle.pendown() turtle.right(90) # 花蕊 turtle.fillcolor("red") turtle.begin_fill() turtle.circle(10,180) turtle.circle(25,110) turtle.left(50) turtle.circle(60,45) turtle.circle(20,170) turtle.right(24) turtle.fd(30) turtle.left(10) turtle.circle(30,110) turtle.fd(20) turtle.left(40) turtle.circle(90,70) turtle.circle(30,150) turtle.right(30) turtle.fd(15) turtle.circle(80,90) turtle.left(15) turtle.fd(45) turtle.right(165) turtle.fd(20) turtle.left(155) turtle.circle(150,80) turtle.left(50) turtle.circle(150,90) turtle.end_fill() # 花瓣1 turtle.left(150) turtle.circle(-90,70) turtle.left(20) turtle.circle(75,105) turtle.setheading(60) turtle.circle(80,98) turtle.circle(-90,40) # 花瓣2 turtle.left(180) turtle.circle(90,40) turtle.circle(-80,98) turtle.setheading(-83) # 叶子1 turtle.fd(30) turtle.left(90) turtle.fd(25) turtle.left(45) turtle.fillcolor("green") turtle.begin_fill() turtle.circle(-80,90) turtle.right(90) turtle.circle(-80,90) turtle.end_fill() turtle.right(135) turtle.fd(60) turtle.left(180) turtle.fd(85) turtle.left(90) turtle.fd(80) # 叶子2 turtle.right(90) turtle.right(45) turtle.fillcolor("green") turtle.begin_fill() turtle.circle(80,90) turtle.left(90) turtle.circle(80,90) turtle.end_fill() turtle.left(135) turtle.fd(60) turtle.left(180) turtle.fd(60) turtle.right(90) turtle.circle(200,60) turtle.done()

import turtle turtle.shape('turtle') # 设置色彩模式是RGB: turtle.colormode(255) turtle.lt(90) lv = 14 l = 120 s = 45 turtle.width(lv) # 初始化RGB颜色: r = 0 g = 0 b = 0 turtle.pencolor(r, g, b) turtle.penup() turtle.bk(l) turtle.pendown() turtle.fd(l) def draw_tree(l, level): global r, g, b # save the current pen width w = turtle.width() # narrow the pen width turtle.width(w * 3.0 / 4.0) # set color: r = r 1 g = g 2 b = b 3 turtle.pencolor(r % 200, g % 200, b % 200) l = 3.0 / 4.0 * l turtle.lt(s) turtle.fd(l) if level < lv: draw_tree(l, level 1) turtle.bk(l) turtle.rt(2 * s) turtle.fd(l) if level < lv: draw_tree(l, level 1) turtle.bk(l) turtle.lt(s) # restore the previous pen width turtle.width(w) turtle.speed("fastest") draw_tree(l, 4) turtle.done()

# 每次运行 树的形状是随机的 import turtle as T import random import time # 画樱花的躯干(60,t) def Tree(branch, t): time.sleep(0.0005) if branch > 3: if 8 <= branch <= 12: if random.randint(0, 2) == 0: t.color('snow') # 白 else: t.color('lightcoral') # 淡珊瑚色 t.pensize(branch / 3) elif branch < 8: if random.randint(0, 1) == 0: t.color('snow') else: t.color('lightcoral') # 淡珊瑚色 t.pensize(branch / 2) else: t.color('sienna') # 赭(zhě)色 t.pensize(branch / 10) # 6 t.forward(branch) a = 1.5 * random.random() t.right(20 * a) b = 1.5 * random.random() Tree(branch - 10 * b, t) t.left(40 * a) Tree(branch - 10 * b, t) t.right(20 * a) t.up() t.backward(branch) t.down() # 掉落的花瓣 def Petal(m, t): for i in range(m): a = 200 - 400 * random.random() b = 10 - 20 * random.random() t.up() t.forward(b) t.left(90) t.forward(a) t.down() t.color('lightcoral') # 淡珊瑚色 t.circle(1) t.up() t.backward(a) t.right(90) t.backward(b) # 绘图区域 t = T.Turtle() # 画布大小 w = T.Screen() t.shape('turtle') # t.hideturtle() # 隐藏画笔 t.getscreen().tracer(5, 0) w.screensize(bg='wheat') # wheat小麦 t.left(90) t.up() t.backward(150) t.down() t.color('sienna') # 画樱花的躯干 Tree(60, t) # 掉落的花瓣 Petal(200, t) w.exitonclick() T.done()

import random import turtle def love(x, y): # 在(x,y)处画爱心lalala lv = turtle.Turtle() lv.hideturtle() lv.up() lv.goto(x, y) # 定位到(x,y) def curvemove(): # 画圆弧 for i in range(20): lv.right(10) lv.forward(2) lv.color('red', 'pink') lv.speed(0) lv.pensize(1) # 开始画爱心lalala lv.down() lv.begin_fill() lv.left(140) lv.forward(22) curvemove() lv.left(120) curvemove() lv.forward(22) lv.write("{}".format("I Love You!"), font=("Arial", 10, "normal"), align="center") lv.left(140) # 画完复位 lv.end_fill() def tree(branchLen, t): if branchLen > 5: # 剩余树枝太少要结束递归 if branchLen < 20: # 如果树枝剩余长度较短则变绿 t.color("green") t.pensize(random.uniform((branchLen 5) / 4 - 2, (branchLen 6) / 4 5)) t.down() t.forward(branchLen) love(t.xcor(), t.ycor()) # 传输现在turtle的坐标 t.up() t.backward(branchLen) t.color("brown") return t.pensize(random.uniform((branchLen 5) / 4 - 2, (branchLen 6) / 4 5)) t.down() t.forward(branchLen) # 以下递归 ang = random.uniform(15, 45) t.right(ang) tree(branchLen - random.uniform(12, 16), t) # 随机决定减小长度 t.left(2 * ang) tree(branchLen - random.uniform(12, 16), t) # 随机决定减小长度 t.right(ang) t.up() t.backward(branchLen) def Fonts(): t.penup() t.goto(-300, -300) t.pencolor('red') t.write("我爱你！^_^", font=('方正行黑简体', 30, 'normal')) myWin = turtle.Screen() t = turtle.Turtle() t.hideturtle() t.speed(0) t.left(90) t.up() t.backward(200) t.down() t.color("brown") t.pensize(32) t.forward(60) tree(100, t) Fonts() myWin.exitonclick()

import turtle def flyTo(x, y): turtle.penup() turtle.goto(x, y) turtle.pendown() def drawEye(): turtle.tracer(False) a = 2.5 for i in range(120): if 0 <= i < 30 or 60 <= i < 90: a -= 0.05 else: a = 0.05 turtle.left(3) turtle.fd(a) turtle.tracer(True) def beard(): """ 画胡子， 一共六根 """ # 左边第一根胡子 flyTo(-37, 135) turtle.seth(165) turtle.fd(60) # 左边第二根胡子 flyTo(-37, 125) turtle.seth(180) turtle.fd(60) # 左边第三根胡子 flyTo(-37, 115) turtle.seth(193) turtle.fd(60) # 右边第一根胡子 flyTo(37, 135) turtle.seth(15) turtle.fd(60) # 右边第二根胡子 flyTo(37, 125) turtle.seth(0) turtle.fd(60) # 右边第三根胡子 flyTo(37, 115) turtle.seth(-13) turtle.fd(60) def drawRedScarf(): """ 画围巾 """ turtle.fillcolor("red") # 填充颜色 turtle.begin_fill() turtle.seth(0) # 朝向右 turtle.fd(200) # 前进10个单位 turtle.circle(-5, 90) turtle.fd(10) turtle.circle(-5, 90) turtle.fd(207) turtle.circle(-5, 90) turtle.fd(10) turtle.circle(-5, 90) turtle.end_fill() def drawMouse(): flyTo(5, 148) turtle.seth(270) turtle.fd(100) turtle.seth(0) turtle.circle(120, 50) turtle.seth(230) turtle.circle(-120, 100) def drawRedNose(): flyTo(-10, 158) turtle.fillcolor("red") # 填充颜色 turtle.begin_fill() turtle.circle(20) turtle.end_fill() def drawBlackdrawEye(): turtle.seth(0) flyTo(-20, 195) turtle.fillcolor("#000000") # 填充颜色 turtle.begin_fill() turtle.circle(13) turtle.end_fill() turtle.pensize(6) flyTo(20, 205) turtle.seth(75) turtle.circle(-10, 150) turtle.pensize(3) flyTo(-17, 200) turtle.seth(0) turtle.fillcolor("#ffffff") turtle.begin_fill() turtle.circle(5) turtle.end_fill() flyTo(0, 0) def drawFace(): turtle.forward(183) # 前行183个单位 turtle.fillcolor("white") # 填充颜色为白色 turtle.begin_fill() # 开始填充 turtle.left(45) # 左转45度 turtle.circle(120, 100) # 右边那半边脸 turtle.seth(90) # 朝向向上 drawEye() # 画右眼睛 turtle.seth(180) # 朝向左 turtle.penup() # 抬笔 turtle.fd(60) # 前行60 turtle.pendown() # 落笔 turtle.seth(90) # 朝向上 drawEye() # 画左眼睛 turtle.penup() # 抬笔 turtle.seth(180) # 朝向左 turtle.fd(64) # 前进64 turtle.pendown() # 落笔 turtle.seth(215) # 修改朝向 turtle.circle(120, 100) # 左边那半边脸 turtle.end_fill() # def drawHead(): """ 画了一个被切掉下半部分的圆 """ turtle.penup() # 抬笔 turtle.circle(150, 40) # 画圆, 半径150，圆周角40 turtle.pendown() # 落笔 turtle.fillcolor("#00a0de") # 填充色 turtle.begin_fill() # 开始填充 turtle.circle(150, 280) # 画圆，半径150, 圆周角280 turtle.end_fill() def drawAll(): drawHead() drawRedScarf() drawFace() drawRedNose() drawMouse() beard() flyTo(0, 0) turtle.seth(0) turtle.penup() turtle.circle(150, 50) turtle.pendown() turtle.seth(30) turtle.fd(40) turtle.seth(70) turtle.circle(-30, 270) turtle.fillcolor("#00a0de") turtle.begin_fill() turtle.seth(230) turtle.fd(80) turtle.seth(90) turtle.circle(1000, 1) turtle.seth(-89) turtle.circle(-1000, 10) turtle.seth(180) turtle.fd(70) turtle.seth(90) turtle.circle(30, 180) turtle.seth(180) turtle.fd(70) turtle.seth(100) turtle.circle(-1000, 9) turtle.seth(-86) turtle.circle(1000, 2) turtle.seth(230) turtle.fd(40) turtle.circle(-30, 230) turtle.seth(45) turtle.fd(81) turtle.seth(0) turtle.fd(203) turtle.circle(5, 90) turtle.fd(10) turtle.circle(5, 90) turtle.fd(7) turtle.seth(40) turtle.circle(150, 10) turtle.seth(30) turtle.fd(40) turtle.end_fill() # 左手 turtle.seth(70) turtle.fillcolor("#FFFFFF") turtle.begin_fill() turtle.circle(-30) turtle.end_fill() # 脚 flyTo(103.74, -182.59) turtle.seth(0) turtle.fillcolor("#FFFFFF") turtle.begin_fill() turtle.fd(15) turtle.circle(-15, 180) turtle.fd(90) turtle.circle(-15, 180) turtle.fd(10) turtle.end_fill() flyTo(-96.26, -182.59) turtle.seth(180) turtle.fillcolor("#FFFFFF") turtle.begin_fill() turtle.fd(15) turtle.circle(15, 180) turtle.fd(90) turtle.circle(15, 180) turtle.fd(10) turtle.end_fill() # 右手 flyTo(-133.97, -91.81) turtle.seth(50) turtle.fillcolor("#FFFFFF") turtle.begin_fill() turtle.circle(30) turtle.end_fill() # 口袋 flyTo(-103.42, 15.09) turtle.seth(0) turtle.fd(38) turtle.seth(230) turtle.begin_fill() turtle.circle(90, 260) turtle.end_fill() flyTo(5, -40) turtle.seth(0) turtle.fd(70) turtle.seth(-90) turtle.circle(-70, 180) turtle.seth(0) turtle.fd(70) # 铃铛 flyTo(-103.42, 15.09) turtle.fd(90) turtle.seth(70) turtle.fillcolor("#ffd200") turtle.begin_fill() turtle.circle(-20) turtle.end_fill() turtle.seth(170) turtle.fillcolor("#ffd200") turtle.begin_fill() turtle.circle(-2, 180) turtle.seth(10) turtle.circle(-100, 22) turtle.circle(-2, 180) turtle.seth(180 - 10) turtle.circle(100, 22) turtle.end_fill() flyTo(-13.42, 15.09) turtle.seth(250) turtle.circle(20, 110) turtle.seth(90) turtle.fd(15) turtle.dot(10) flyTo(0, -150) drawBlackdrawEye() def main(): turtle.screensize(800, 6000, "#F0F0F0") turtle.pensize(3) turtle.speed(9) drawAll() if __name__ == "__main__": main() turtle.mainloop()

import turtle from datetime import * # 抬起画笔，向前运动一段距离放下 def Skip(step): turtle.penup() turtle.forward(step) turtle.pendown() def mkHand(name, length): # 注册Turtle形状，建立表针Turtle turtle.reset() Skip(-length * 0.1) # 开始记录多边形的顶点。当前的乌龟位置是多边形的第一个顶点。 turtle.begin_poly() turtle.forward(length * 1.1) # 停止记录多边形的顶点。当前的乌龟位置是多边形的最后一个顶点。将与第一个顶点相连。 turtle.end_poly() # 返回最后记录的多边形。 handForm = turtle.get_poly() turtle.register_shape(name, handForm) def Init(): global secHand, minHand, hurHand, printer # 重置Turtle指向北 turtle.mode("logo") # 建立三个表针Turtle并初始化 mkHand("secHand", 135) mkHand("minHand", 125) mkHand("hurHand", 90) secHand = turtle.Turtle() secHand.shape("secHand") minHand = turtle.Turtle() minHand.shape("minHand") hurHand = turtle.Turtle() hurHand.shape("hurHand") for hand in secHand, minHand, hurHand: hand.shapesize(1, 1, 3) hand.pencolor('orange') hand.speed(0) # 建立输出文字Turtle printer = turtle.Turtle() printer.pencolor('red') # 隐藏画笔的turtle形状 printer.hideturtle() printer.penup() def SetupClock(radius): # 建立表的外框 turtle.reset() turtle.pencolor('blue') turtle.pensize(7) for i in range(60): Skip(radius) if i % 5 == 0: turtle.forward(20) Skip(-radius - 20) Skip(radius 20) if i == 0: turtle.write(int(12), align="center", font=("Courier", 14, "bold")) elif i == 30: Skip(25) turtle.write(int(i / 5), align="center", font=("Courier", 14, "bold")) Skip(-25) elif (i == 25 or i == 35): Skip(20) turtle.write(int(i / 5), align="center", font=("Courier", 14, "bold")) Skip(-20) else: turtle.write(int(i / 5), align="center", font=("Courier", 14, "bold")) Skip(-radius - 20) else: turtle.dot(5) Skip(-radius) turtle.right(6) def Week(t): week = ["星期一", "星期二", "星期三", "星期四", "星期五", "星期六", "星期日"] return week[t.weekday()] def Date(t): y = t.year m = t.month d = t.day return "%s-%d-%d" % (y, m, d) def Tick(): # 绘制表针的动态显示 t = datetime.today() second = t.second t.microsecond * 0.000001 minute = t.minute second / 60.0 hour = t.hour minute / 60.0 secHand.setheading(6 * second) minHand.setheading(6 * minute) hurHand.setheading(30 * hour) turtle.tracer(False) printer.forward(65) printer.write(Week(t), align="center", font=("Courier", 14, "bold")) printer.back(130) printer.write(Date(t), align="center", font=("Courier", 14, "bold")) printer.home() turtle.tracer(True) # 100ms后继续调用tick turtle.ontimer(Tick, 100) def main(): # 打开/关闭龟动画，并为更新图纸设置延迟。 turtle.tracer(False) Init() SetupClock(160) turtle.tracer(True) Tick() turtle.done() if __name__ == "__main__": main()