from tkinter import * #或者import tkinter as tk import math#輸入數學MATH函式庫 tk = Tk() #建構視窗名為tk tk.geometry('1200x400')#視窗 寬1200像素 tk.title("夏紳凱python tkinter三角函數if_else判斷") canvas = Canvas(tk, width=1200, height=400, bg='PINK') canvas.grid(row=0,column=0,padx=5,pady=5,columnspan=3) delay=1 # milliseconds, 1/1000秒 x1,y1,z1=1200,200,10#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#global全球,local當地 x2 = x1 - 1 #換到下個+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='BLUE',width=10) L2=canvas.create_line(x1,z1,x2,z2,fill='yellow',width=10) if (x2 > 0): #沒有超過, 記得將 "小於" 改成運算 x1,y1,z1=x2,y2,z2#下一個起點是現在終點 canvas.after(delay,LH)#每隔delay執行 else: canvas.delete("all") x1,y1,z1=1200,200,10#下一個起點是回到原點 canvas.after(delay,LH)#return沒你的事,滾回你老家 LH() #執行LauHou老猴 tk.mainloop(...
期末考https://hsiashenkai.blogspot.com/2026/01/python.html
回覆刪除Curly bracjets. https://hsiashenkai.blogspot.com/2025/12/python.html
Sin cos. https://hsiashenkai.blogspot.com/2025/12/buttonbordergreen-5px-solidborder.html