Python tkinter库之Canvas正方形旋转

import tkinter as tk
import pyautogui as ag
import random
from time import sleep as Delay
from math import sqrt
from math import sin
from math import cos
from math import pi
def Window_Open(W, H):
    X, Y = ag.size()
    winSize = str(W)+"x"+str(H)
    winPos = winSize + "+" + str((X - W) // 2)
    winPos += "+" + str((Y - H) // 2)
    win.geometry(winPos)
    win.resizable(False, False)
    title = u'桌面分辨率：' + str(X) + "x" + str(Y)
    title += ' ' * 5 + u'窗体大小：' + winSize
    win.title(title)
    win.update()
def Rect1(x,y,w,rad=0,c='black'):
    "x,y 左下角坐标，w=边长，rad=底边与水平线的夹角"
    a=pi*rad/180
    coord = (x,y,x + w * cos(a),y - w * sin(a),
             x + w * (cos(a)-sin(a)),
             y - w * (cos(a)+sin(a)),
             x - w * sin(a), y - w * cos(a))
    tCanvas.create_polygon(coord,fill=c)
def Rect2(x,y,w,rad=45,c='black'):
    "x,y 中心坐标，w=半长，rad=对角线与坐标轴的夹角"
    a=pi*rad/180
    coord = (x - w * sin(a)/sqrt(2),y - w * cos(a)/sqrt(2),
             x + w * cos(a)/sqrt(2),y - w * sin(a)/sqrt(2),
             x + w * sin(a)/sqrt(2),y + w * cos(a)/sqrt(2),
             x - w * cos(a)/sqrt(2),y + w * sin(a)/sqrt(2))
    tCanvas.create_polygon(coord,fill=c)
if __name__ == '__main__':
    win = tk.Tk()
    Window_Open(800,480)
    tCanvas = tk.Canvas(win, width=win.winfo_width(), height=480, bg='white')
    tCanvas.pack(side="top")
    Color = ['red','blue','green','magenta','navy','lawngreen','orange']
    w=50
    for r in range(0,1171,5):
        c = random.choice(Color)
        Rect1(180,240,w,r,c)
        tCanvas.update()
        w *= 1.004
        Delay(0.001)
    Delay(1)
    w=280
    for r in range(45,1216,5):
        c = random.choice(Color)
        Rect2(580,240,w,r,c)
        tCanvas.update()
        w *= 0.99
        Delay(0.001)
    win.mainloop()