【程序设计】Python海龟绘图可视化_t=turtle.pen() t.pensize(15) t,fillcolor("red") t.

粉色五角星

import turtle


def drawFivePointStar(t, x, y, lengthOfSide):
    # 从(x, y)向东南方向出发
    t.up()
    t.goto(x, y)
    t.left(36)
    t.down()
    for i in range(5):
        t.forward(lengthOfSide)
        # 144 = 180 - 36
        t.left(144)


myTurtle = turtle.Turtle()
myTurtle.hideturtle()
myTurtle.color("deeppink")
myWindow = myTurtle.getscreen()
lengthOfSide = 200
drawFivePointStar(myTurtle, 0, 0, lengthOfSide)
myWindow.exitonclick()
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

连续五个随机颜色五角星

from turtle import *
from random import randint


def drawStar(x, y):
    pu()
    goto(x, y)
    pd()
    colormode(255)
    # set heading: 0
    seth(0)
    for i in range(5):
        r = randint(0, 255)
        g = randint(0, 255)
        b = randint(0, 255)
        pencolor(r, g, b) 
        fd(40)
        rt(144)


hideturtle()
for x in range(0, 250, 50):
    drawStar(x, 0)
done()
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

红色玩具车

import turtle

t = turtle.Pen()
t.color(1,0,0)
t.begin_fill()
t.forward(100)
t.left(90)
t.forward(20)
t.left(90)
t.forward(20)
t.right(90)
t.forward(20)
t.left(90)
t.forward(60)
t.left(90)
t.forward(20)
t.right(90)
t.forward(20)
t.left(90)
t.forward(20)
t.end_fill()

t.color(0,0,0)
t.up()
t.forward(10)
t.down()
t.begin_fill()
t.circle(10)
t.end_fill()

t.setheading(0)
t.up()
t.forward(90)
t.right(90)
t.forward(10)
t.setheading(0)
t.begin_fill()
t.down()
t.circle(10)
t.end_fill()
t.hideturtle()
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41

高度旋转堆叠的正方形组

import turtle

for i in range(360):
    turtle.setheading(i)
    for i in range(4):
        turtle.forward(100)
        turtle.left(90)
1
2
3
4
5
6
7

K阶科赫雪花

import turtle


def koch(len, n):
    if n == 0:
        turtle.fd(len)
    else:
        for i in [0, 60, -120, 60]:
            turtle.left(i)
            koch(len/3, n-1)


level = int(input())

turtle.penup()
turtle.goto(-250, 150)
turtle.pensize(2)
turtle.color('orange')
turtle.pendown()
koch(500, level)
turtle.right(120)
koch(500, level)
turtle.right(120)
koch(500, level)
turtle.right(120)
turtle.hideturtle()
turtle.done()
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

三阶科赫雪花：

五阶科赫雪花：

斜分绿树

from turtle import *


# 递归绘制一棵树
def tree(branchLength, turtle):
    if branchLength > 5:
        turtle.forward(branchLength)
        turtle.right(20)
        tree(branchLength-15, turtle)
        turtle.left(40)
        tree(branchLength-10, turtle)
        turtle.right(20)
        turtle.backward(branchLength)


myTurtle = Turtle()
myWindow = myTurtle.getscreen()
myTurtle.hideturtle()
myTurtle.left(90)
myTurtle.up()
myTurtle.backward(300)
myTurtle.down()
myTurtle.color('green')
tree(110, myTurtle)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

分形树

from turtle import *

# 设置色彩模式是RGB:
colormode(255)

lt(90)

lv = 14
l = 120
s = 45

width(lv)

# 初始化RGB颜色:
r = 0
g = 0
b = 0
pencolor(r, g, b)

penup()
bk(l)
pendown()
fd(l)

def draw_tree(l, level):
    global r, g, b
    # save the current pen width
    w = width()

    # narrow the pen width
    width(w * 3.0 / 4.0)
    # set color:
    r = r + 1
    g = g + 2
    b = b + 3
    pencolor(r % 200, g % 200, b % 200)

    l = 3.0 / 4.0 * l

    lt(s)
    fd(l)

    if level < lv:
        draw_tree(l, level + 1)
    bk(l)
    rt(2 * s)
    fd(l)

    if level < lv:
        draw_tree(l, level + 1)
    bk(l)
    lt(s)

    # restore the previous pen width
    width(w)

speed("fastest")
draw_tree(l, 4)
done()
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59

分形心

import turtle


def fractal(myTurtle, x1, y1, x2, y2, level):
    # 从(x1, y1)坐标画到(x2, y2)坐标
    newX = 0
    newY = 0
    if level == 0:
        drawLine(myTurtle, x1, y1, x2, y2)
    else:
        newX = (x1+x2)/2 + (y2-y1)/2
        newY = (y1+y2)/2 - (x2-x1)/2
        fractal(myTurtle, x1, y1, newX, newY, level-1)
        fractal(myTurtle, newX, newY, x2, y2, level-1)


def drawLine(myTurtle, x1, y1, x2, y2):
    # 绘制从(x1, y1)到(x2, y2)的线
    myTurtle.up()
    myTurtle.goto(x1, y1)
    myTurtle.down()
    myTurtle.goto(x2, y2)


t = turtle.Turtle()
myWindow = t.getscreen()
t.hideturtle()
# 最快速度
t.speed(0)
level = 12
fractal(t, -80, 60, 80, 60, level)
# 窗口不会自动关闭
myWindow.exitonclick()
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

谢尔平斯基三角形

from turtle import *


def drawTriangle(points, color, turtle):
    turtle.fillcolor(color)
    turtle.up()
    turtle.goto(points[0])
    turtle.down()
    turtle.begin_fill()
    turtle.goto(points[1])
    turtle.goto(points[2])
    turtle.goto(points[0])
    turtle.end_fill()


def getMid(p1, p2):
    return ( (p1[0] + p2[0]) / 2, (p1[1] + p2[1]) / 2 )


def sierpinski(points, degree, turtle):
    colorMap = ['blue', 'red', 'green', 'white', 'yellow', 'violet', 'orange']
    drawTriangle(points, colorMap[degree], turtle)
    if degree > 0:
        sierpinski([points[0], getMid(points[0], points[1]), getMid(points[0], points[2])], degree-1, turtle)
        sierpinski([points[1], getMid(points[0], points[1]), getMid(points[1], points[2])], degree - 1, turtle)
        sierpinski([points[2], getMid(points[2], points[1]), getMid(points[0], points[2])], degree - 1, turtle)


myTurtle = Turtle()
myWindow = myTurtle.getscreen()
myPoints = [(-400, -200), (0, 400), (400, -200)]
sierpinski(myPoints, 5, myTurtle)
myWindow.exitonclick()
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

紫色小蛇

import turtle


def drawSnake(rad, angle, len, neckrad):
    for _ in range(len):
        turtle.circle(rad, angle)
        turtle.circle(-rad, angle)
    turtle.circle(rad, angle/2)
    turtle.forward(rad/2)  # 直线前进
    turtle.circle(neckrad, 180)
    turtle.forward(rad/4)


turtle.setup(1500, 1400, 0, 0)
turtle.pensize(30)
turtle.pencolor("purple")
turtle.seth(150)
drawSnake(70, 80, 2, 15)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

随机色旋转图形

import turtle as tt
from random import randint

tt.TurtleScreen._RUNNING = True
tt.speed(0)  # 绘图速度为最快
tt.bgcolor("black")  # 背景色为黑色
tt.setpos(-25, 25)  # 改变初始位置，这可以让图案居中
tt.colormode(255)  # 颜色模式为真彩色
cnt = 0
while cnt < 500:
    r = randint(0, 255)
    g = randint(0, 255)
    b = randint(0, 255)
    tt.pencolor(r, g, b)  # 画笔颜色每次随机
    tt.forward(50 + cnt)
    tt.right(91)
    cnt += 1
tt.done()
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

小猪佩奇

import turtle as t

t.pensize(4)
t.hideturtle()
t.colormode(255)
t.color((255, 155, 192), "pink")
t.setup(840, 500)
t.speed(10)

# 鼻子
t.penup()
t.goto(-100,100)
t.pendown()
t.seth(-30)
t.begin_fill()
a = 0.4
for i in range(120):
    if 0 <= i < 30 or 60 <= i < 90:
        a = a+0.08
        t.left(3)
        t.forward(a)
    else:
        a = a-0.08
        t.left(3)
        t.forward(a)
        t.end_fill()

t.penup()
t.seth(90)
t.forward(25)
t.seth(0)
t.forward(10)
t.pendown()
t.pencolor(255, 155, 192)
t.seth(10)
t.begin_fill()
t.circle(5)
t.color(160, 82, 45)
t.end_fill()

t.penup()
t.seth(0)
t.forward(20)
t.pendown()
t.pencolor(255, 155, 192)
t.seth(10)
t.begin_fill()
t.circle(5)
t.color(160, 82, 45)
t.end_fill()

# 头
t.color((255, 155, 192), "pink")
t.penup()
t.seth(90)
t.forward(41)
t.seth(0)
t.forward(0)
t.pendown()
t.begin_fill()
t.seth(180)
t.circle(300, -30)
t.circle(100, -60)
t.circle(80, -100)
t.circle(150, -20)
t.circle(60, -95)
t.seth(161)
t.circle(-300, 15)
t.penup()
t.goto(-100, 100)
t.pendown()
t.seth(-30)
a = 0.4
for i in range(60):
    if 0 <= i < 30 or 60 <= i <90:
        a = a+0.08
        t.left(3)
        t.forward(a)
    else:
        a = a-0.08
        t.left(3)
        t.forward(a)
        t.end_fill()

# 耳朵
t.color((255, 155, 192), "pink")
t.penup()
t.seth(90)
t.forward(-7)
t.seth(0)
t.forward(70)
t.pendown()
t.begin_fill()
t.seth(100)
t.circle(-50, 50)
t.circle(-10, 120)
t.circle(-50, 54)
t.end_fill()

t.penup()
t.seth(90)
t.forward(-12)
t.seth(0)
t.forward(30)
t.pendown()
t.begin_fill()
t.seth(100)
t.circle(-50, 50)
t.circle(-10, 120)
t.circle(-50, 56)
t.end_fill()

#眼睛
t.color((255, 155, 192), "white")
t.penup()
t.seth(90)
t.forward(-20)
t.seth(0)
t.forward(-95)
t.pendown()
t.begin_fill()
t.circle(15)
t.end_fill()

t.color("black")
t.penup()
t.seth(90)
t.forward(12)
t.seth(0)
t.forward(-3)
t.pendown()
t.begin_fill()
t.circle(3)
t.end_fill()

t.color((255, 155, 192), "white")
t.penup()
t.seth(90)
t.forward(-25)
t.seth(0)
t.forward(40)
t.pendown()
t.begin_fill()
t.circle(15)
t.end_fill()

t.color("black")
t.penup()
t.seth(90)
t.forward(12)
t.seth(0)
t.forward(-3)
t.pendown()
t.begin_fill()
t.circle(3)
t.end_fill()

# 腮
t.color((255, 155, 192))
t.penup()
t.seth(90)
t.forward(-95)
t.seth(0)
t.forward(65)
t.pendown()
t.begin_fill()
t.circle(30)
t.end_fill()

# 嘴
t.color(239, 69, 19)
t.penup()
t.seth(90)
t.forward(15)
t.seth(0)
t.forward(-100)
t.pendown()
t.seth(-80)
t.circle(30, 40)
t.circle(40, 80)

# 身体
t.color("red", (255, 99, 71))
t.penup()
t.seth(90)
t.forward(-20)
t.seth(0)
t.forward(-78)
t.pendown()
t.begin_fill()
t.seth(-130)
t.circle(100,10)
t.circle(300,30)
t.seth(0)
t.forward(230)
t.seth(90)
t.circle(300,30)
t.circle(100,3)
t.color((255,155,192),(255,100,100))
t.seth(-135)
t.circle(-80,63)
t.circle(-150,24)
t.end_fill()

# 手
t.color((255,155,192))
t.penup()
t.seth(90)
t.forward(-40)
t.seth(0)
t.forward(-27)
t.pendown()
t.seth(-160)
t.circle(300,15)
t.penup()
t.seth(90)
t.forward(15)
t.seth(0)
t.forward(0)
t.pendown()
t.seth(-10)
t.circle(-20,90)

t.penup()
t.seth(90)
t.forward(30)
t.seth(0)
t.forward(237)
t.pendown()
t.seth(-20)
t.circle(-300,15)
t.penup()
t.seth(90)
t.forward(20)
t.seth(0)
t.forward(0)
t.pendown()
t.seth(-170)
t.circle(20,90)

# 脚
t.pensize(10)
t.color((240,128,128))
t.penup()
t.seth(90)
t.forward(-75)
t.seth(0)
t.forward(-180)
t.pendown()
t.seth(-90)
t.forward(40)
t.seth(-180)
t.color("black")
t.pensize(15)
t.forward(20)

t.pensize(10)
t.color((240, 128, 128))
t.penup()
t.seth(90)
t.forward(40)
t.seth(0)
t.forward(90)
t.pendown()
t.seth(-90)
t.forward(40)
t.seth(-180)
t.color("black")
t.pensize(15)
t.forward(20)

# 尾巴
t.pensize(4)
t.color((255, 155, 192))
t.penup()
t.seth(90)
t.forward(70)
t.seth(0)
t.forward(95)
t.pendown()
t.seth(0)
t.circle(70, 20)
t.circle(10, 330)
t.circle(70, 30)
t.done()
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285