黃冠達期末考Math.PI與Math.E放入計算機

from tkinter import * #或者import tkinter as tk import math tk = Tk() #建構視窗名為tk tk.geometry('1200x400') tk.title("黃冠達python tkinter三角函數") canvas = Canvas(tk, width=1200, height=400, bg='gray') canvas.grid(row=0,column=0,padx=5,pady=5,columnspan=3) delay=20 # milliseconds, 1/1000秒 x1,y1,z1=0,200,10 h=190 #上下範圍 degree=0 #角度degree def LauHou(): l0=canvas.create_line(0,200,1200,200,fill='white',width=3) global x1, y1,z1 x2 = x1 + 1 y2=200 - h*math.sin(0.02*x2) z2=200 - h*math.cos(0.02*x2) l1=canvas.create_line(x1,y1,x2,y2,fill='black',width=5) l2=canvas.create_line(x1,z1,x2,z2,fill='blue',width=5) if (x2 < 1200): #沒有超過, 記得將 "小於" 改成運算 x1,y1,z1=x2,y2,z2 canvas.after(delay,LauHou) else: return LauHou() #執行LauHou老猴 tk.mainloop()# -*- coding: utf-8 -*-