庆祝烟花-Python源代码，附超详细备注！！！！！

#!/usr/bin/env python # -*- coding: utf-8 -*- ''' python_v: python3.9.1 author: 梦想是优秀社畜 from CSDN date: 2023/1/30 ''' import fireworks import random import tkinter as tk import re Fireworks=[] maxFireworks=8 height,width=600,600 def colorChange(fire): rgb=re.findall(r'(.{2})',fire.color[1:]) cs=fire.status f=lambda x,c: hex(int(int(x,16)*(100-c)/30))[2:] #当粒子寿命到70%时，颜色开始线性衰减 if cs>70: ccr,ccg,ccb=f(rgb[0],cs),f(rgb[1],cs),f(rgb[2],cs) else: ccr,ccg,ccb=rgb[0],rgb[1],rgb[2] return '#{0:0>2}{1:0>2}{2:0>2}'.format(ccr,ccg,ccb) def appendFirework(n=1): #递归生成烟花对象 if n>maxFireworks or len(Fireworks)>maxFireworks: pass elif n==1: cl='#{0:0>6}'.format(hex(int(random.randint(0,16777215)))[2:]) # 产生一个0~16777215（0xFFFFFF）的随机数，作为随机颜色 a=fireworks.firework(cl,random.uniform(1.5,3.5),width,height) Fireworks.append( {'particle':a,'points':[]} ) #建立粒子显示列表，‘particle’为一个烟花对象，‘points’为每一个粒子显示时的对象变量集 a.explode() else: appendFirework() appendFirework(n-1) def show(c): for p in Fireworks: #每次刷新显示，先把已有的所以粒子全部删除 for pp in p['points']: c.delete(pp) for p in Fireworks: #根据每个烟花对象，计算其中每个粒子的显示对象 oneP=p['particle'] if oneP.status==100: #状态标识为100，说明烟花寿命结束 Fireworks.remove(p) #移出当前烟花 appendFirework() #新增一个烟花 continue else: li=[[int(cp[0]*2)+oneP.center[0],int(cp[1]*2)+oneP.center[1]] for cp in oneP.curParticle] #把中心为原点的椭圆平移到随机圆心坐标上 color=colorChange(oneP) #根据烟花当前状态计算当前颜色 for pp in li: p['points'].append(c.create_oval(pp[0]-oneP.radius, pp[1]-oneP.radius, pp[0]+oneP.radius, pp[1]+oneP.radius, fill=color)) #绘制烟花每个粒子 root.after(50, show,c) #回调，每50ms刷新一次 if __name__=='__main__': appendFirework(maxFireworks) root = tk.Tk() cv = tk.Canvas(root, height=height, width=width) cv.create_rectangle(0, 0, width, height, fill="black") cv.pack() root.after(50, show,cv) root.mainloop()