Python源码26：海龟画图turtle画向日葵
---------------turtle源码集合---------------
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# 引用海龟库以及随机库
import turtle as t
import random
import time
light = t.Turtle(visible=False)
wind = t.Turtle(visible=False)
def canvas(size_x=1200, size_y=900): # 设置画布,有默认值
t.setup(size_x, size_y)
# 设置线的颜色以及size
def pencil(size=5, color="black"):
t.pensize(size)
t.pencolor(color)
def sun(): # 绘制太阳
light.pensize(5)
light.pencolor("black")
sec = int(time.time())
t.penup() # 画红色点
t.goto(-530, 310)
t.pendown()
t.dot(100, "red")
for i in range(1, 19): # 阳光效果
light.penup()
light.goto(-530, 310)
light.seth(i * 20)
light.forward(55)
light.pendown()
if (i + sec) % 2 == 1:
light.forward(15)
else:
light.forward(7)
def plant(): # 绘制天空以及大地
t.penup() # 每个绘制函数开头都写了这个，防止龟龟绘制另外的图像移动时留下痕迹
length = 900 * 0.318 # 将画布的纵向黄金分割
t.home()
t.goto(600, -450)
t.fillcolor("#DAA520") # 分割填充大地
t.begin_fill()
t.left(90)
t.forward(length)
t.left(90)
t.forward(1200)
t.left(90)
t.forward(length)
t.left(90)
t.forward(1200)
t.end_fill()
t.home() # 填充天空
t.goto(600, length - 450)
t.fillcolor("#B0C4DE")
t.begin_fill()
t.left(90)
t.forward(900 - length)
t.left(90)
t.forward(1200)
t.left(90)
t.forward(900 - length)
t.left(90)
t.forward(1200)
t.end_fill()
def butterfly(pos_x=0, pos_y=0): # 绘制蝴蝶，这里会随机生成位置以及蝴蝶大小、颜色
light.penup()
light.goto(pos_x, pos_y)
light.pendown()
light.pensize(2)
light.seth(45)
color = ["#FF00FF", "#87CEFA", "#0000EE", "#FF4500", "#00FF00", "#00E5EE", "#FFFAFA"] # 一个颜色表,以及size表
size = [6, 7, 8, 9, 10, 11, 12]
tep_size = random.choice(size)
light.fillcolor(random.choice(color))
light.begin_fill()
light.circle(tep_size, 270) # 绘制翅膀
light.right(135)
light.pensize(3)
light.forward(tep_size / 2)
light.right(45)
light.forward(tep_size / 2)
light.back(tep_size / 2)
light.left(70)
light.forward(tep_size / 2)
light.back(tep_size / 2)
light.right(25)
light.pensize(4)
light.back(2.05 * tep_size)
light.seth(-90)
light.pensize(2)
light.circle(tep_size, -180)
light.pensize(4)
light.left(90)
light.forward(tep_size * 2)
light.back(tep_size * 2.5)
light.end_fill()
def botany(pos_x=0, pos_y=0, direction=0, flower=1, bend=10): # 植物函数，绘制向日葵，向日葵会迎风倒，效果很到位
light.pensize(3)
light.pencolor("black")
light.penup()
light.goto(pos_x, pos_y)
light.pendown()
light.left(90)
light.fillcolor("#00CD00")
light.begin_fill()
light.circle(50, 90) # 绘制叶片
light.left(90)
light.circle(50, 90)
light.penup()
light.goto(pos_x, pos_y)
light.pendown()
light.seth(-90)
light.pensize(6)
light.forward(50)
light.back(50)
light.pensize(3)
light.circle(50, -90)
light.right(90)
light.circle(50, -90)
light.end_fill()
if flower: # 判断是否有花，这里默认有花
light.penup()
light.goto(pos_x, pos_y)
light.pendown()
light.pensize(4)
if direction:
light.seth(80) # 绘制秆
light.circle(130 - 5 * bend, 70 + 5 * bend, None)
else:
light.seth(-80)
light.circle(130 - 5 * bend, -70 - 5 * bend, None)
light.right(180)
tep_x, tep_y = light.xcor(), light.ycor()
light.forward(13)
light.right(30)
for i in range(6): # 绘制花瓣
light.fillcolor("#FFD700")
light.begin_fill()
light.circle(15, 300)
light.left(120)
light.end_fill()
light.goto(tep_x, tep_y)
light.dot(36, "#FFB90F")
def cloud(pos_x=0, pos_y=0, size=20): # 绘制云
pos = int(time.time())
pos %= 50
light.penup() # 云没有要边框，所以没有pendown
light.goto(pos*8+pos_x, pos_y)
light.fillcolor("#E6E6FA")
light.begin_fill()
light.seth(-80)
light.circle(size, 110)
for i in range(1, 6): # 绘制下半部分
light.right(100)
light.circle(size, 110)
light.left(120)
for i in range(1, 7): # 绘制上半部分，上边进行了六次循环，但是之前就进行了一次绘制，这里有七次循环
light.right(100)
light.circle(size, 110)
light.end_fill()
# def draw(x, y): # 这里是之前调试用的拖拽函数响应函数，不需使用
# t.goto(x, y)
# print(t.xcor(), t.ycor())
# def person(pos_x=0, pos_y=0): # 绘制人的函数，效果很拉跨，舍弃
# t.penup()
# t.goto(pos_x, pos_y)
# t.pendown()
#
# t.dot(44, "#FFDEAD")
# t.right(90)
# t.penup()
# t.forward(25)
# t.right(15)
# t.pendown()
# pencil(10)
# t.forward(50)
#
# t.right(35)
# t.forward(50)
# t.back(50)
# t.left(90)
# t.forward(27)
# t.right(110)
# t.forward(23)
#
# t.penup()
# t.goto(pos_x, pos_y)
# t.seth(-90)
# t.forward(25)
# t.right(15)
# t.forward(20)
# t.right(60)
# t.pendown()
# t.forward(50)
# tep_x1, tep_y1 = t.xcor(), t.ycor()
# t.back(50)
# t.right(160)
# t.forward(30)
# t.seth(90)
# t.forward(20)
#
# t.penup()
# t.goto(tep_x1, tep_y1)
# t.seth(-145)
# pencil(6)
# t.pendown()
# t.forward(50)
# t.right(90)
# t.forward(20)
# t.right(90)
# t.forward(15)
# t.right(90)
# t.forward(20)
# t.left(90)
# t.forward(150)
def star(pos_x=0, pos_y=0, size=10): # 绘制星星函数
color = ["#FFFFE0", "#FFFF00"]
light.penup()
light.goto(pos_x, pos_y)
angle = random.randint(0, 180)
light.seth(angle)
light.fillcolor(random.choice(color))
light.begin_fill()
for i in range(5): # 这个144度是查的资料
light.right(144)
light.forward(size)
light.end_fill()
def wind(): # 风函数，让图像看起来更有感觉，就是一条直线，加两个圆
pos = int(time.time())
pos %= 5
color = ["#D3D3D3", "#CDCDB4"]
tep_color = random.choice(color)
light.penup()
light.goto(pos*80-1000, 50)
light.seth(0)
light.pendown()
light.pensize(5)
light.pencolor(tep_color)
light.forward(500)
light.pensize(4)
light.pencolor(tep_color)
light.left(45)
light.circle(50, 180)
light.pensize(3)
light.pencolor(tep_color)
light.circle(30, 90)
tep_color = random.choice(color)
light.penup() # 画圈圈
light.goto(pos*140-1040, 80)
light.seth(0)
light.pendown()
light.pensize(5)
light.pencolor(tep_color)
light.forward(400)
light.pensize(4)
light.pencolor(tep_color)
light.left(45)
light.circle(40, 180)
light.pensize(3)
light.pencolor(tep_color)
light.circle(25, 90)
def lie(): # 这个函数是表达我对python的喜爱
t.penup()
t.goto(0, -360)
pencil(0, "#FFA54F")
t.write("节日快乐", align='center', font=('arial', 75, 'normal'))
t.hideturtle()
def dynamic():
light.clear()
sun()
star(200, 200) # 右上角有星星注意观察 0.0
star(260, 230, 15)
star(180, 300)
star(300, 100, 15)
star(500, 290)
star(420, 310, 15)
star(300, 200)
star(260, 230, 15)
star(350, 352)
star(500, 180, 15)
star(560, 352)
cloud(-530, 280, 20)
cloud(300, 250, 30)
wind()
bend = int(time.time())
bend %= 5
bend += 14
light.seth(-100-bend) # 初始向日葵叶片角度
for i in range(14): # 生成向日葵
if i % 2 == 0:
botany(-520 + i * 50, -132, 0, 1, bend - i)
botany(-340 + i * 50, -132, 0, 1, bend - i)
else:
botany(-430 + i * 50, -142, 0, 1, bend - i)
botany(-230 + i * 50, -142, 0, 1, bend - i)
pos_x = [45, -96, -100, 410, 300, 580, 230, -50, -400, -320, -212]
pos_y = [45, -96, -100, 0, 20, 30, 29, -50, -20, -43, 10]
for i in range(6): # 生成蝴蝶，这里便于观察到结果，蝴蝶有点大
butterfly(random.choice(pos_x), random.choice(pos_y))
t.ontimer(dynamic, 1000)
def piant(): # 这里是将绘制全放在这个函数里，让main看起来简洁
t.tracer(False)
t.delay(0)
canvas()
pencil()
plant()
lie()
dynamic()
if __name__ == "__main__":
piant()
# t.ondrag(draw, btn=1, add=None)
t.mainloop()
完毕！！感谢您的收看
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原文地址：https://blog.csdn.net/gxz888/article/details/135620721
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