画太极图辅助程序_Python精灵模块应用实例 
画太极图辅助程序_Python精灵模块应用实例 """
画太极图教学辅助程序。
本程序采用Screen(3)把窗口整体分为两个大区。
上面的是root.topframe，下面的是root.bottomframe。
在root.bottomframe框架中，又分为左右两个框架，
名称分别是lframe和rframe。
其中lframe又分为frameup和framedown两个框架。
而rframe又分为rframeleft和rframeright两个框架。
为更好的理解，请查看'程序的窗口分区示意图.png'图形。
"""
from sprites import *
def draw_filled_circle():
"""画填充颜色的圆形"""
x = int(xvar.get())
y = int(yvar.get())
radius = int(radiusvar.get())
color = colorvar.get()
angle = int(anglevar.get())
pdstatus = turtle.isdown() # 保存是否落笔状态
turtle.penup()
turtle.goto(x,y)
turtle.pendown()
turtle.pencolor(color)
screen.tracer(0,0)
for x in range(angle*10):
turtle.fd(radius)
turtle.bk(radius)
turtle.rt(0.1)
if pdstatus:
turtle.pendown()
else:
turtle.penup()
screen.tracer(1,0)
screen = Screen(3) # 上下框架结构topframe和bottomframe
screen.bgcolor('#a0aea2')
screen.title('画太极图教学辅助程序')
turtle = Sprite(shape='turtle') # 新建一只海龟
turtle.penup()
turtle.pensize(2)
turtle.shapesize(2,2,2)
turtle.setheading(90)
turtle.color('black','yellow')
turtle.say('你好,请单击按钮',10,False)
root = screen._root
root.topframe.pack(expand=1,fill='both')
root.bottomframe.pack(expand=0,fill='both',padx=10)
lframe = TK.Frame(root.bottomframe,bg='yellow')
lframe.pack(side=TK.LEFT)
rframe = TK.Frame(root.bottomframe,bg='pink')
rframe.pack(side=TK.LEFT,expand=1,fill='both')
frameup = TK.Frame(lframe,bg='blue')
frameup.pack(side=TK.TOP,expand=0,fill='both',padx=10)
framedown = TK.Frame(lframe,bg='cyan')
framedown.pack(side=TK.BOTTOM,expand=0,fill='both',padx=10,pady=10)
drawcircle = TK.Button(frameup,text='画圆形',font=('黑体',13,'normal'),command=draw_filled_circle)
drawcircle.pack(side=TK.LEFT)
xvar = TK.StringVar(value='0')
x_lable = TK.Label(frameup,text='x:')
x_lable.pack(side=TK.LEFT)
x_cor = TK.Entry(frameup,width=5,textvariable=xvar)
x_cor.pack(side=TK.LEFT)
yvar = TK.StringVar(value='0')
y_lable = TK.Label(frameup,text='y:')
y_lable.pack(side=TK.LEFT)
y_cor = TK.Entry(frameup,width=5,textvariable=yvar)
y_cor.pack(side=TK.LEFT)
colorvar = TK.StringVar(value='black')
color_lable = TK.Label(frameup,text='颜色:')
color_lable.pack(side=TK.LEFT)
color = TK.Entry(frameup,width=8,textvariable=colorvar)
color.pack(side=TK.LEFT)
radiusvar = TK.StringVar(value='100')
radius_lable = TK.Label(frameup,text='半径:')
radius_lable.pack(side=TK.LEFT)
radius = TK.Entry(frameup,width=8,textvariable=radiusvar)
radius.pack(side=TK.LEFT)
anglevar= TK.StringVar(value='180')
angle_lable = TK.Label(frameup,text='角度:')
angle_lable.pack(side=TK.LEFT)
angle = TK.Entry(frameup,width=8,textvariable=anglevar)
angle.pack(side=TK.LEFT)
def cmd1():
xvar.set('0')
yvar.set('0')
colorvar.set('black')
radiusvar.set('100')
anglevar.set('180')
draw_filled_circle()
def cmd2():
xvar.set('0')
yvar.set('0')
colorvar.set('white')
radiusvar.set('100')
anglevar.set('180')
draw_filled_circle()
def cmd3():
xvar.set('0')
yvar.set('50')
colorvar.set('white')
radiusvar.set('50')
anglevar.set('360')
draw_filled_circle()
def cmd4():
xvar.set('0')
yvar.set('-50')
colorvar.set('black')
radiusvar.set('50')
anglevar.set('360')
draw_filled_circle()
def cmd5():
pdstatus = turtle.isdown() # 保存是否落笔状态
turtle.penup()
turtle.goto(0,-50)
turtle.dot(20,'white')
if pdstatus:
turtle.pendown()
else:
turtle.penup()
def cmd6():
pdstatus = turtle.isdown() # 保存是否落笔状态
turtle.penup()
turtle.goto(0,50)
turtle.dot(20,'black')
if pdstatus:
turtle.pendown()
else:
turtle.penup()
step1 = TK.Button(framedown,text='第一步:在(0,0)坐标向右画一个半径为100的黑色半圆',font=('黑体',13,'normal'),command=cmd1)
step1.pack(side=TK.TOP)
step2 = TK.Button(framedown,text='第二步:在(0,0)坐标向右画一个半径为100的白色半圆',font=('黑体',13,'normal'),command=cmd2)
step2.pack(side=TK.TOP)
step3 = TK.Button(framedown,text='第三步:在(0,50)坐标向右画一个半径为50的白色半圆',font=('黑体',13,'normal'),command=cmd3)
step3.pack(side=TK.TOP)
step4 = TK.Button(framedown,text='第四步:在(0,-50)坐标向右画一个半径为50的黑色半圆',font=('黑体',13,'normal'),command=cmd4)
step4.pack(side=TK.TOP)
step5 = TK.Button(framedown,text='第五步:在(0,-50)坐标打一个白色的小圆点',font=('黑体',13,'normal'),command=cmd5)
step5.pack(side=TK.TOP)
step6 = TK.Button(framedown,text='第六步:在(0,50)坐标打一个黑色的小圆点',font=('黑体',13,'normal'),command=cmd6)
step6.pack(side=TK.TOP)
# 在bottomframe的右边放几个常用操作按钮
rframeleft = TK.Frame(rframe,bg='dodger blue')
rframeleft.pack(side=TK.LEFT,expand=1,fill='both')
rframeright = TK.Frame(rframe,bg='green')
rframeright.pack(side=TK.LEFT,expand=1,fill='both')
clearb = TK.Button(rframeleft,text='清除',font=('黑体',13,'normal'),command=lambda:turtle.clear())
clearb.pack(side=TK.TOP)
fd10b = TK.Button(rframeleft,text='前进10',font=('黑体',13,'normal'),command=lambda:turtle.fd(10))
fd10b.pack(side=TK.TOP)
bk10b = TK.Button(rframeleft,text='倒退10',font=('黑体',13,'normal'),command=lambda:turtle.bk(10))
bk10b.pack(side=TK.TOP)
right10b = TK.Button(rframeleft,text='右转10度',font=('黑体',13,'normal'),command=lambda:turtle.right(10))
right10b.pack(side=TK.TOP)
left10b = TK.Button(rframeleft,text='左转10度',font=('黑体',13,'normal'),command=lambda:turtle.left(10))
left10b.pack(side=TK.TOP)
pendownb = TK.Button(rframeleft,text='落笔',font=('黑体',13,'normal'),command=lambda:turtle.pendown())
pendownb.pack(side=TK.TOP)
penupb = TK.Button(rframeleft,text='抬笔',font=('黑体',13,'normal'),command=lambda:turtle.penup())
penupb.pack(side=TK.TOP)
def gohome():
turtle.home()
turtle.setheading(90)
homeb = TK.Button(rframeright,text='回家',font=('黑体',13,'normal'),command=gohome)
homeb.pack(side=TK.TOP)
randomb = TK.Button(rframeright,text='随机位置',font=('黑体',13,'normal'),command=lambda:turtle.randompos())
randomb.pack(side=TK.TOP)
def callaskcolor():
c = askcolor()
turtle.color(c[1])
colorb = TK.Button(rframeright,text='颜色',font=('黑体',13,'normal'),command=callaskcolor)
colorb.pack(side=TK.TOP)
def runcommand():
c = screen.textinput('运行','海龟名称为turtle,屏幕名称为screen,请自行输入命令:')
if c=='' or c == None:return
try:
exec(c)
except Exception as e :
showinfo('错误',str(e))
runb = TK.Button(rframeright,text='运行',font=('黑体',13,'normal'),command=runcommand)
runb.pack(side=TK.TOP)
screen.mainloop()
