基于Python实现的飞鸟小游戏+代码注释-课程大作业

import os import pygame import random # 定义常量 W, H = 288, 512 FPS = 30 pygame.init() SCREEN = pygame.display.set_mode((W, H)) pygame.display.set_caption('YuFan编程FlappyBrid') CLOCK = pygame.time.Clock() # bird = pygame.image.load('resources/images/redbird-midflap.png') # # bgpic = pygame.image.load('resources/images/background-day.png') # guide = pygame.image.load('resources/images/message.png') # floor = pygame.image.load('resources/images/base.png') # pipe = pygame.image.load('resources/images/pipe-green.png') # gameover = pygame.image.load('resources/images/gameover.png') IMAGES = {} for image in os.listdir('resources/images'): name, extension = os.path.splitext(image) path = os.path.join('resources/images', image) IMAGES[name] = pygame.image.load(path) FLOOR_Y = H - IMAGES['base'].get_height() start = pygame.mixer.Sound('resources/audios/swoosh.wav') die = pygame.mixer.Sound('resources/audios/die.wav') hit = pygame.mixer.Sound('resources/audios/hit.wav') point = pygame.mixer.Sound('resources/audios/point.wav') fly = pygame.mixer.Sound('resources/audios/wing.wav') def main(): while True: start.play() IMAGES['background'] = IMAGES[random.choice(['background-day', 'background-night'])] color = random.choice(['redbird', 'yellowbird', 'bluebird']) IMAGES['bird'] = [IMAGES[color + '-upflap'], IMAGES[color + '-midflap'], IMAGES[color + '-downflap']] pipe = IMAGES[random.choice(['pipe-green', 'pipe-red'])] IMAGES['pipe'] = [pipe, pygame.transform.flip(pipe, False, True)] menu_window() result = game_window() end_window(result) def menu_window(): # 地板移动出现视觉移动效果 floor_gap = IMAGES['base'].get_width() - W floor_x = 0 guide_x = (W - IMAGES['message'].get_width()) / 2 guide_y = (FLOOR_Y - IMAGES['message'].get_height()) / 2 bird_x = W * 0.2 bird_y = (H - IMAGES['bird'][0].get_height()) / 2 # 菜单界面小鸟浮动 bird_y_vel = 1 bird_y_range = [bird_y - 8, bird_y + 8] # 小鸟拍动翅膀 idx = 0 repeat = 5 frames = [0] * repeat + [1] * repeat + [2] * repeat + [1] * repeat while True: for event in pygame.event.get(): if event.type == pygame.QUIT: quit() if event.type == pygame.KEYDOWN and event.key == pygame.K_SPACE: return floor_x -= 4 if floor_x <= -floor_gap: floor_x = 0 bird_y += bird_y_vel if bird_y < bird_y_range[0] or bird_y > bird_y_range[1]: # 上线浮动关键代码 bird_y_vel *= -1 # 翅膀浮动关键代码 idx += 1 idx %= len(frames) SCREEN.blit(IMAGES['background'], (0, 0)) SCREEN.blit(IMAGES['base'], (floor_x, FLOOR_Y)) SCREEN.blit(IMAGES['message'], (guide_x, guide_y)) SCREEN.blit(IMAGES['bird'][frames[idx]], (bird_x, bird_y)) SCREEN.blit(IMAGES['tip'], (20, 20)) pygame.display.update() CLOCK.tick(FPS) def game_window(): fly.play() score = 0 floor_gap = IMAGES['base'].get_width() - W floor_x = 0 bird = Bird(W * 0.2, H * 0.4) distance = 150 n_pairs = 4 pipe_gap = 100 pipe_group = pygame.sprite.Group() for i in range(n_pairs): # 随机水管长度0.3-0.7 pipe_y = random.randint(int(H * 0.3), int(H * 0.7)) pipe_up = Pipe(W + i * distance, pipe_y, True) pipe_down = Pipe(W + i * distance, pipe_y - pipe_gap, False) pipe_group.add(pipe_up) pipe_group.add(pipe_down) # pipe = Pipe(W, H * 0.5) while True: flap = False for event in pygame.event.get(): if event.type == pygame.QUIT: quit() if event.type == pygame.KEYDOWN: if event.key == pygame.K_SPACE: fly.play() return elif event.key == pygame.K_UP: flap = True fly.play() elif event.key == pygame.K_w: point.play() floor_x -= 4 if floor_x <= -floor_gap: floor_x = 0 bird.update(flap) first_pipe_up = pipe_group.sprites()[0] first_pipe_down = pipe_group.sprites()[1] if first_pipe_up.rect.right < 0: pipe_y = random.randint(int(H * 0.3), int(H * 0.7)) new_pipe_up = Pipe(first_pipe_up.rect.x + n_pairs * distance, pipe_y, True) new_pipe_down = Pipe(first_pipe_down.rect.x + n_pairs * distance, pipe_y - pipe_gap, False) pipe_group.add(new_pipe_up) pipe_group.add(new_pipe_down) first_pipe_up.kill() first_pipe_down.kill() pipe_group.update() # 判断如何输掉比赛+碰撞测试 if bird.rect.y > FLOOR_Y or bird.rect.y < 0 or pygame.sprite.spritecollideany(bird, pipe_group): bird.dying = True hit.play() die.play() result = {'bird': bird, 'pipe_group': pipe_group, 'score': score} return result if bird.rect.left + first_pipe_up.x_vel < first_pipe_up.rect.centerx < bird.rect.left: point.play() score += 1 # 碰撞代码 # for pipe in pipe_group.sprites(): # right_to_left = max(bird.rect.right, pipe.rect.right) - min(bird.rect.left, pipe.rect.left) # bottom_to_top = max(bird.rect.bottom, pipe.rect.bottom) - min(bird.rect.top, pipe.rect.top) # if right_to_left < bird.rect.width + pipe.rect.width and bottom_to_top < bird.rect.height + pipe.rect.height: # hit.play() # die.play() # result = {'bird': bird, 'pipe_group': pipe_group} # return result SCREEN.blit(IMAGES['background'], (0, 0)) pipe_group.draw(SCREEN) SCREEN.blit(IMAGES['base'], (floor_x, FLOOR_Y)) show_score(score) SCREEN.blit(bird.image, bird.rect) pygame.display.update() CLOCK.tick(FPS) def end_window(result): # floor_gap = IMAGES['base'].get_width() - W # floor_x = 0 gameover_x = (W - IMAGES['gameover'].get_width()) / 2 gameover_y = (FLOOR_Y - IMAGES['gameover'].get_height()) / 2 bird = result['bird'] pipe_group = result['pipe_group'] # bird = Bird(W * 0.5, H * 0.3) while True: if bird.dying: bird.go_die() else: for event in pygame.event.get(): if event.type == pygame.QUIT: quit() if event.type == pygame.KEYDOWN and event.key == pygame.K_SPACE: return # floor_x -= 4 # if floor_x <= -floor_gap: # floor_x = 0 bird.go_die() SCREEN.blit(IMAGES['background'], (0, 0)) pipe_group.draw(SCREEN) SCREEN.blit(IMAGES['base'], (0, FLOOR_Y)) SCREEN.blit(IMAGES['gameover'], (gameover_x, gameover_y)) show_score(result['score']) SCREEN.blit(bird.image, bird.rect) pygame.display.update() CLOCK.tick(FPS) def show_score(score): score_str = str(score) n = len(score_str) w = IMAGES['0'].get_width() * 1.1 x = (W - n * w) / 2 y = H * 0.1 for number in score_str: SCREEN.blit(IMAGES[number], (x, y)) x += w class Bird: def __init__(self, x, y): self.frames = [0] * 5 + [1] * 5 + [2] * 5 + [1] * 5 self.idx = 0 self.images = IMAGES['bird'] self.image = self.images[self.frames[self.idx]] self.rect = self.image.get_rect() self.rect.x = x self.rect.y = y self.y_vel = -10 self.max_y_vel = 10 self.gravity = 1 self.rotate = 45 self.max_rotate = -20 self.rotate_vel = -3 self.y_vel_after_flap = -10 self.rotate_after_flap = 45 self.dying = Fal