葉宗翰python繪製三角函數與powerpoint製作影片

python程式碼

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("葉宗翰python tkinter三角函數")
canvas = Canvas(tk, width=1200, height=400, bg='green')
canvas.grid(row=0,column=0,padx=5,pady=5,columnspan=3)
delay=10 # 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) #座標從左上角0......
    z2=200 - h*math.cos(0.02*x2) 
    l1=canvas.create_line(x1,y1,x2,y2,fill='blue',width=5)
    l2=canvas.create_line(x1,z1,x2,z2,fill='yellow',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()