from tkinter import * #或者import tkinter as tk
import math#輸入數學函式庫
tk = Tk() #建構視窗名為tk
tk.geometry('1200x400')#視窗 寬1200像素
tk.title("邱季萱python tkinter輸入數學函式庫")
canvas = Canvas(tk, width=1200, height=400, bg='purple')
canvas.grid(row=0,column=0,padx=5,pady=5,columnspan=3)
delay=1 # milliseconds, 1/1000秒
x1,y1,z1=0,200,10#python特徵,多變數=對等值
h=190 #上下範圍,相當於數學1到-1
def LH():
global x1, y1, z1,inc #global全球,local當地
if(x1==0):
inc=1#往左
canvas.delete("all")
elif(x1==1200):
inc=-1#往右
canvas.delete("all")
x2 = x1 + inc #換到下個+1然後改成-1 一定要將起始點改成右端
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='white',width=10)
L2=canvas.create_line(x1,z1,x2,z2,fill='pink',width=10)
x1,y1,z1=x2,y2,z2
canvas.after(delay,LH)#每隔delay執行
#return
LH() #執行LauHou老猴
tk.mainloop()
期末考的<Left>首個字母要大寫!https://qiujixuan.blogspot.com/2026/01/python.html
回覆刪除curly brackets. https://qiujixuan.blogspot.com/2025/12/python_28.html
sin cos. https://qiujixuan.blogspot.com/2025/12/blog-post.html
https://qiujixuan.blogspot.com/2025/12/python.html