怎么用Python实现烟花效果

本篇内容主要讲解"怎么用Python实现烟花效果"，感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷，实用性强。下面就让小编来带大家学习"怎么用Python实现烟花效果"吧!

效果如下：

这里给出代码，祝各位老哥新年快乐。

import pygameimport randomimport mathpygame.init()pygame.mixer.init()pygame.font.init()WIN_W = 1420WIN_H = 900t1 = 0.18  # 时间流速show_n = 0show_frequency = 0.0015  # 烟花绽放频率，数值越大频率越高color_list = [    [255, 0, 0]]shan_min_height = 400shan_max_height = 150yanhua_times = 30yanhua_size = 900yanhua_num = 5yanhua_map = {}fk_list = []a = 30gift = 1class Fireworks():    is_show = False    x, y = 0, 0    vy = 0    p_list = []    color = [0, 0, 0]    v = 0    cnt = 0    def __init__(self, x, y, vy, n=300, color=[0, 255, 0], v=10):        self.x = x        self.y = y        self.vy = vy        self.color = color        self.v = v        self.cnt = 0        self.p_list = []        for i in range(n):            self.p_list.append([random.random() * 2 * math.pi, 0, v * math.pow(random.random(), 1 / 3)])    def run(self):        global show_n        for p in self.p_list:            p[1] = p[1] + (random.random() * 0.6 + 0.7) * p[2]            p[2] = p[2] * 0.98            # TODO 去掉的话会越变越大，打开的话会越来越淡            # 淡或浓            if p[2] < 1.2:                self.color[0] *= 0.9999                self.color[1] *= 0.9999                self.color[2] *= 0.9999            if max(self.color) < 10 or self.y > WIN_H + p[1]:                show_n -= 1                self.is_show = False                break        self.vy += 10 * t1        self.y += self.vy * t1def random_color(l, r):    return [random.randint(l, r), random.randint(l, r), random.randint(l, r)]def red_random(l, r):    return [255, random.randint(l, r), random.randint(l, r)]def green_random(l, r):    return [random.randint(l, r), 255, random.randint(l, r)]def init_yanhua(bg_size):    yanhua_list = []    for i in range(yanhua_num):        x_site = random.randrange(175, 350)  # 雪花圆心位置        y_site = WIN_H  # 雪花圆心位置        X_shift = 0  # x 轴偏移量        radius = random.randint(4, 6)  # 半径和 y 周上升降量        xxxxx = random_color(150, 255)        red = xxxxx[0]        green = xxxxx[1]        blue = xxxxx[2]        yanhua_list.append([x_site, y_site, X_shift, radius, red, green, blue])    return yanhua_listdef init_xue(bg_size):    snow_list = []    for i in range(200):        x_site = random.randrange(0, bg_size[0])  # 雪花圆心位置        y_site = random.randrange(0, bg_size[1])  # 雪花圆心位置        X_shift = random.randint(-1, 1)  # x 轴偏移量        radius = random.randint(4, 6)  # 半径和 y 周下降量        xxxxx = random_color(150, 255)        # red = xxxxx[0]        # green = xxxxx[1]        # blue = xxxxx[2]        snow_list.append([x_site, y_site, X_shift, radius, 255, 255, 255])    return snow_listdef init_shan(bg_size):    shan_list = []    # [x,y,color]    shan_list.append([0, shan_min_height, green_random(1, 150)])    shan_list.append([200, shan_max_height, green_random(1, 150)])    shan_list.append([400, shan_min_height, green_random(1, 150)])    shan_list.append([600, shan_max_height, green_random(1, 150)])    shan_list.append([800, shan_min_height, green_random(1, 150)])    shan_list.append([1000, shan_max_height, green_random(1, 150)])    shan_list.append([1200, shan_min_height, green_random(1, 150)])    shan_list.append([1400, shan_max_height, green_random(1, 150)])    shan_list.append([1600, shan_min_height, green_random(1, 150)])    return shan_listdef draw_shan(shan_list: [], screen):    n = len(shan_list)    for i in range(1, n):        pygame.draw.line(screen, shan_list[i - 1][2], (shan_list[i - 1][0], shan_list[i - 1][1]),                         (shan_list[i][0], shan_list[i][1]), width=3)def draw_xue(snow_list: [], screen, bg_size: [], grand_has: set, grand_list: []):    # 雪花列表循环    # todo 空中的雪    for i in range(len(snow_list)):        # 绘制雪花，颜色、位置、大小        pygame.draw.circle(screen, (snow_list[i][4], snow_list[i][5], snow_list[i][6]), snow_list[i][:2],                           snow_list[i][3] - 3)        # 移动雪花位置（下一次循环起效）        snow_list[i][0] += snow_list[i][2]        snow_list[i][1] += snow_list[i][3]        # 如果雪花落出屏幕，重设位置        if snow_list[i][1] > bg_size[1]:            # tmp = []            snow_list[i][1] = random.randrange(-50, -10)            snow_list[i][0] = random.randrange(0, bg_size[0])            x = snow_list[i][0]            y = bg_size[1]            while (grand_has.__contains__(x * 10000 + y)):                y = y - snow_list[i][3]            grand_has.add(x * 10000 + y)            grand_list.append(                [x, y, snow_list[i][2], snow_list[i][3], snow_list[i][4], snow_list[i][5],                 snow_list[i][6]])def show_yanhua(fk, screen, n):    global show_n    # if not fk.is_show:    #     fk.is_show = False    #     if random.random() < show_frequency * (n - show_n):    #         show_n += 1    #         fk.again()    fk.run()    for p in fk.p_list:        x, y = fk.x + p[1] * math.cos(p[0]), fk.y + p[1] * math.sin(p[0])        # x, y = fk.x, fk.y        if random.random() < 0.055:            screen.set_at((int(x), int(y)), (int(fk.color[0]), int(fk.color[1]), int(fk.color[2])))            # screen.set_at((int(x), int(y)), (255, 255, 255))        else:            screen.set_at((int(x), int(y)), (int(fk.color[0]), int(fk.color[1]), int(fk.color[2])))def draw_yanhua(yanhua_list: [], screen, bg_size: []):    global fk_list    for i in range(len(yanhua_list)):        # 绘制雪花，颜色、位置、大小        pygame.draw.circle(screen, (yanhua_list[i][4], yanhua_list[i][5], yanhua_list[i][6]), yanhua_list[i][:2],                           yanhua_list[i][3] - 3)        # 移动雪花位置（下一次循环起效）        yanhua_list[i][0] += yanhua_list[i][2]        yanhua_list[i][1] -= yanhua_list[i][3]        # 如果雪花落出屏幕，重设位置        if yanhua_list[i][1] <= 0:            # tmp = []            yanhua_list[i][1] = WIN_H            yanhua_list[i][0] = random.randrange(175, 350)        if yanhua_list[i][1] <= random.randint(150, 300):            # todo 放烟花            fk = Fireworks(yanhua_list[i][0], yanhua_list[i][1], -20, n=yanhua_size, color=red_random(1, 150), v=10)            fk_list.append(fk)            yanhua_list[i][1] = WIN_H            yanhua_list[i][0] = random.randrange(175, 350)def show_shi(a: list, n, screen):    i = 2 * n - 1    j = 2 * n    if i >= len(a):        i = len(a) - 2        j = len(a) - 1    if i >= 0:        myfont = pygame.font.SysFont('simHei', 30)        textsurface = myfont.render(a[i], False, random_color(150, 255))        screen.blit(textsurface, (WIN_W / 2, 30))    if j >= 0:        myfont = pygame.font.SysFont('simHei', 100)        textsurface = myfont.render(a[j], False, red_random(1, 1))        screen.blit(textsurface, (WIN_W / 2 - 200, 50))def show_gift(flag, screen, bg_size: list, a):    if flag == 1:        pygame.draw.rect(screen, red_random(1, 150), ((175, bg_size[1] - 105), (200, 100)))        pygame.draw.line(screen, (255, 225, 79), (200, bg_size[1] - 105), (200, bg_size[1] - 5), width=3)        pygame.draw.line(screen, (255, 225, 79), (350, bg_size[1] - 105), (350, bg_size[1] - 5), width=3)        pygame.draw.line(screen, (255, 225, 79), (200, bg_size[1] - 105), (350, bg_size[1] - 5), width=3)        pygame.draw.line(screen, (255, 225, 79), (350, bg_size[1] - 105), (200, bg_size[1] - 5), width=3)        pygame.draw.circle(screen, (255, 225, 79), (275, bg_size[1] - 55), a / 2)def show_gift2(flag, screen, bg_size: list, a):    if flag == 1:        pygame.draw.rect(screen, red_random(1, 150), ((1044, 793), (1241, 893)))        pygame.draw.line(screen, (255, 225, 79), (bg_size[0] - 200, bg_size[1] - 105), (bg_size[0] - 200, bg_size[1] - 5), width=3)        pygame.draw.line(screen, (255, 225, 79), (bg_size[0] - 350, bg_size[1] - 105), (bg_size[0] - 350, bg_size[1] - 5), width=3)        pygame.draw.line(screen, (255, 225, 79), (bg_size[0] - 200, bg_size[1] - 105), (bg_size[0] - 350, bg_size[1] - 5), width=3)        pygame.draw.line(screen, (255, 225, 79), (bg_size[0] - 350, bg_size[1] - 105), (bg_size[0] - 200, bg_size[1] - 5), width=3)        pygame.draw.circle(screen, (255, 225, 79), (bg_size[0] - 275, bg_size[1] - 55), a / 2)def draw_yueliang(screen):    pygame.draw.circle(screen, (200, 200, 200), (1350, 50), 100, 100)def main():    global show_n    global fk_list    bg_size = (WIN_W, WIN_H)    screen = pygame.display.set_mode(bg_size)    # bg_img = "./1.png"    pygame.display.set_caption("新年快乐")    # bg = pygame.image.load(bg_img)    pygame.mixer.music.load('D:\\CloudMusic\\祖海 - 好运来.mp3')    grand_list = []    font_values = ['新年快乐']    grand_has = set()    clock = pygame.time.Clock()    yanhua_list = init_yanhua(bg_size)    snow_list = init_xue(bg_size)    shan_list = init_shan(bg_size)    # 游戏主循环    while True:        show_n = 0        if not pygame.mixer.music.get_busy():            pygame.mixer.music.play()        for event in pygame.event.get():            if event.type == pygame.MOUSEBUTTONUP:                print(event)            if event.type == pygame.QUIT:                exit()        screen.fill((0, 0, 0))        flag = 0        min_height = 100000        # todo 地上的积雪        for i in range(len(grand_list)):            if grand_list[i][0] < 375 and grand_list[i][1] < bg_size[1] - gift:                flag = 1            if grand_list[i][0] < 375:                min_height = min(min_height, grand_list[i][1])        # if len(fk_list) != 0:        #     print(len(fk_list))        # # 放烟花        show_shi(font_values, 0, screen)        draw_yueliang(screen)        draw_shan(shan_list, screen)        if flag == 1:            draw_yanhua(yanhua_list, screen, bg_size)            for fk in fk_list:                fk.run()                for p in fk.p_list:                    x, y = fk.x + p[1] * math.cos(p[0]), fk.y + p[1] * math.sin(p[0])                    screen.set_at((int(x), int(y)), (int(fk.color[0]), int(fk.color[1]), int(fk.color[2])))                fk.cnt = fk.cnt + 1        tmp = []        for fk in fk_list:            if fk.cnt <= yanhua_times:                tmp.append(fk)                break        show_gift(flag, screen, bg_size, a)        # show_gift2(flag, screen, bg_size, a)        fk_list = tmp        min_height = 100000        # todo 地上的积雪        for i in range(len(grand_list)):            if grand_list[i][0] < 375:                min_height = min(min_height, grand_list[i][1])        draw_xue(snow_list, screen, bg_size, grand_has, grand_list)        for i in range(len(grand_list)):            pygame.draw.circle(screen, (grand_list[i][4], grand_list[i][5], grand_list[i][6]), grand_list[i][:2],                               grand_list[i][3] - 3)        pygame.display.update()        time_passed = clock.tick(50)if __name__ == '__main__':    main()

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