=================导入包====================

'''导入pygame,Python Pygame 是一款专门为开发和设计 2D 电子游戏而生的软件包,
它支 Windows、Linux、Mac OS 等操作系统,具备良好的跨平台性。'''
import pygame
from random import randint, uniform, choice
import math

===========首先设置全局变量====================

vector = pygame.math.Vector2

重力变量

gravity = vector(0, 0.3)

管制窗口的大小

DISPLAY_WIDTH = DISPLAY_HEIGHT = 800

色彩选项

trail_colours = [(45, 45, 45), (60, 60, 60), (75, 75, 75), (125, 125, 125), (150, 150, 150)]
dynamic_offset = 1
static_offset = 3

=======Firework : 整体局部;================

class Firework:

def __init__(self):    # 随机色彩    self.colour = (randint(0, 255), randint(0, 255), randint(0, 255))    self.colours = (        (randint(0, 255), randint(0, 255), randint(0, 255)),        (randint(0, 255), randint(0, 255), randint(0, 255)),        (randint(0, 255), randint(0, 255), randint(0, 255)))    self.firework = Particle(randint(0, DISPLAY_WIDTH), DISPLAY_HEIGHT, True,                             self.colour)  # Creates the firework particle    self.exploded = False    self.particles = []    self.min_max_particles = vector(100, 225)def update(self, win):  # 每帧调用    if not self.exploded:        self.firework.apply_force(gravity)        self.firework.move()        for tf in self.firework.trails:            tf.show(win)        self.show(win)        if self.firework.vel.y >= 0:            self.exploded = True            self.explode()    else:        for particle in self.particles:            particle.apply_force(vector(gravity.x + uniform(-1, 1) / 20, gravity.y / 2 + (randint(1, 8) / 100)))            particle.move()            for t in particle.trails:                t.show(win)            particle.show(win)def explode(self):    # amount 数量    amount = randint(self.min_max_particles.x, self.min_max_particles.y)    for i in range(amount):        self.particles.append(Particle(self.firework.pos.x, self.firework.pos.y, False, self.colours))def show(self, win):    pygame.draw.circle(win, self.colour, (int(self.firework.pos.x), int(self.firework.pos.y)), self.firework.size)def remove(self):    if self.exploded:        for p in self.particles:            if p.remove is True:                self.particles.remove(p)        if len(self.particles) == 0:            return True        else:            return False

================Particle:烟花粒子(蕴含轨迹)======================

class Particle:

def __init__(self, x, y, firework, colour):    self.firework = firework    self.pos = vector(x, y)    self.origin = vector(x, y)    self.radius = 20    self.remove = False    self.explosion_radius = randint(5, 18)    self.life = 0    self.acc = vector(0, 0)    # trail variables    self.trails = []  # stores the particles trail objects    self.prev_posx = [-10] * 10  # stores the 10 last positions    self.prev_posy = [-10] * 10  # stores the 10 last positions    if self.firework:        self.vel = vector(0, -randint(17, 20))        self.size = 5        self.colour = colour        for i in range(5):            self.trails.append(Trail(i, self.size, True))    else:        self.vel = vector(uniform(-1, 1), uniform(-1, 1))        self.vel.x *= randint(7, self.explosion_radius + 2)        self.vel.y *= randint(7, self.explosion_radius + 2)        # 向量        self.size = randint(2, 4)        self.colour = choice(colour)        # 5 个 tails总计        for i in range(5):            self.trails.append(Trail(i, self.size, False))def apply_force(self, force):    self.acc += forcedef move(self):    if not self.firework:        self.vel.x *= 0.8        self.vel.y *= 0.8    self.vel += self.acc    self.pos += self.vel    self.acc *= 0    if self.life == 0 and not self.firework:  # 查看粒子的爆炸范畴        distance = math.sqrt((self.pos.x - self.origin.x) ** 2 + (self.pos.y - self.origin.y) ** 2)        if distance > self.explosion_radius:            self.remove = True    self.decay()    self.trail_update()    self.life += 1def show(self, win):    pygame.draw.circle(win, (self.colour[0], self.colour[1], self.colour[2], 0), (int(self.pos.x), int(self.pos.y)),                       self.size)def decay(self):  # random decay of the particles    if 50 > self.life > 10:  # early stage their is a small chance of decay        ran = randint(0, 30)        if ran == 0:            self.remove = True    elif self.life > 50:        ran = randint(0, 5)        if ran == 0:            self.remove = Truedef trail_update(self):    self.prev_posx.pop()    self.prev_posx.insert(0, int(self.pos.x))    self.prev_posy.pop()    self.prev_posy.insert(0, int(self.pos.y))    for n, t in enumerate(self.trails):        if t.dynamic:            t.get_pos(self.prev_posx[n + dynamic_offset], self.prev_posy[n + dynamic_offset])        else:            t.get_pos(self.prev_posx[n + static_offset], self.prev_posy[n + static_offset])

=======Trail:烟花轨迹,实质上是一个点 。创立 Trail 类,定义 show 办法绘制轨迹 、get_pos 实时获取轨迹坐标====

class Trail:

def __init__(self, n, size, dynamic):    self.pos_in_line = n    self.pos = vector(-10, -10)    self.dynamic = dynamic    if self.dynamic:        self.colour = trail_colours[n]        self.size = int(size - n / 2)    else:        self.colour = (255, 255, 200)        self.size = size - 2        if self.size < 0:            self.size = 0def get_pos(self, x, y):    self.pos = vector(x, y)def show(self, win):    pygame.draw.circle(win, self.colour, (int(self.pos.x), int(self.pos.y)), self.size)

def update(win, fireworks):

for fw in fireworks:    fw.update(win)    if fw.remove():        fireworks.remove(fw)pygame.display.update()

=======================主函数=======================

def main():

pygame.init()pygame.font.init()pygame.display.set_caption("祝您新年快乐")  # 题目background = pygame.image.load("./5.png")  # 背景sound_wav = pygame.mixer.music.load("2.mp3")pygame.mixer.music.play()

pygame.init()

加载背景音乐

'''pygame.mixer.music.load("./res/音乐文件名")

循环播放背景音乐

pygame.mixer.music.play(-1)

进行背景音乐

pygame.mixer.music.stop()

加载音效

boom_sound = pygame.mixer.Sound("./res/音效名")

播放音效

boom_sound.play()
boom_sound.stop()
myfont = pygame.font.Font("simkai.TTF", 80)
myfont1 = 股指期货pygame.font.Font("simkai.ttf", 30)
testsurface = myfont.render("虎虎生威", False, (0, 0, 0), (220, 20, 60))
testsurface1 = myfont1.render("", False, (251, 59, 85))'''

pygame.image.load("")

win = pygame.display.set_mode((DISPLAY_WIDTH, DISPLAY_HEIGHT))

win.blit(background)

clock = pygame.time.Clock()
fireworks = [Firework() for i in range(2)] # create the first fireworks
running = True
while running:

clock.tick(60)for event in pygame.event.get():    if event.type == pygame.QUIT:        running = False    if event.type == pygame.KEYDOWN:  # Change game speed with number keys        if event.key == pygame.K_1:  # 按下 1            fireworks.append(Firework())        if event.key == pygame.K_2:  # 按下 2 退出10个烟花            for i in range(10):                fireworks.append(Firework())        if event.key == pygame.K_3:  # 按下 3 退出100个烟花            for i in range(100):                fireworks.append(Firework())win.fill((20, 20, 30))  # draw background#win.blit(background, (0, 0))#win.blit(testsurface, (200, 30))#win.blit(testsurface1, (520, 80))if randint(0, 20) == 1:  # 创立新的烟花    fireworks.append(Firework())update(win, fireworks)

pygame.quit()
quit()
if name == 'main':

main()