【Python游戏】Python实现一个小游戏——愤怒的小鸟 | 附带源码

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开发环境

Python版本：3.6.7
相关模块：
pygame
random
modules
random
sys
以及一些python自带的模块。

环境搭建

安装Python并添加到环境变量，pip安装需要的相关模块即可。

效果展示

开始界面

游戏界面

闯关成功

闯关失败

代码实现

游戏主程序

def main(cfg):
    # 初始化
    pygame.init()
    pygame.mixer.init()
    pygame.mixer.music.load(cfg.BGMPATH)
    pygame.mixer.music.play(-1, 0.0)
    screen = pygame.display.set_mode(cfg.SCREENSIZE)
    pygame.display.set_caption('愤怒的小鸟 公众号：Python日志 问题解答学习交流群：773162165 ')
    # 开始游戏
    def startgame():
        game_levels = GameLevels(cfg, screen)
        game_levels.start()
    # 退出游戏
    def quitgame():
        pygame.quit()
        sys.exit()
    # 开始界面
    components = pygame.sprite.Group()
    title_label = Label(screen, 700, 100, 400, 200)
    title_label.addtext('ANGRY BIRDS', 80, cfg.FONTPATH['arfmoochikncheez'], (236, 240, 241))
    components.add(title_label)
    start_btn = Button(screen, 500, 400, 300, 100, startgame, (244, 208, 63), (247, 220, 111))
    start_btn.addtext('START GAME', 60, cfg.FONTPATH['arfmoochikncheez'], cfg.BACKGROUND_COLOR)
    components.add(start_btn)
    quit_btn = Button(screen, 1000, 400, 300, 100, quitgame, (241, 148, 138), (245, 183, 177))
    quit_btn.addtext('QUIT', 60, cfg.FONTPATH['arfmoochikncheez'], cfg.BACKGROUND_COLOR)
    components.add(quit_btn)
    charles_label = Label(screen, cfg.SCREENSIZE[0] - 300, cfg.SCREENSIZE[1] - 80, 300, 100)
    charles_label.addtext('CHARLES', 60, cfg.FONTPATH['arfmoochikncheez'], (41, 41, 41))
    components.add(charles_label)
    clock = pygame.time.Clock()
    while True:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                quitgame()
            elif event.type == pygame.KEYDOWN:
                if event.key == pygame.K_q:
                    quitgame()
            elif event.type == pygame.MOUSEBUTTONDOWN:
                if start_btn.selected():
                    start_btn.action()
                elif quit_btn.selected():
                    quit_btn.action()
        screen.fill(cfg.BACKGROUND_COLOR)
        for component in components: component.draw()
        pygame.display.update()
        clock.tick(cfg.FPS)

猪类

class Pig(pygame.sprite.Sprite):
    def __init__(self, screen, imagepaths, loc_info, velocity=None, **kwargs):
        pygame.sprite.Sprite.__init__(self)
        assert len(loc_info) == 3
        assert len(imagepaths) == 3
        # 设置必要的属性常量
        self.screen = screen
        self.loc_info = list(loc_info)
        self.imagepaths = imagepaths
        self.velocity = VelocityVector() if velocity is None else velocity
        self.type = 'pig'
        self.is_dead = False
        self.elasticity = 0.8
        self.switch_freq = 20
        self.animate_count = 0
        self.inverse_friction = 0.99
        self.gravity = VelocityVector(0.2, math.pi)
        # 屏幕大小
        self.screen_size = screen.get_rect().size
        self.screen_size = (self.screen_size[0], self.screen_size[1] - 50)
        # 导入图像
        self.pig_images = []
        for imagepath in imagepaths: self.pig_images.append(pygame.image.load(imagepath))
        # 设置当前图像
        self.image = random.choice(self.pig_images[:2])
    '''画到屏幕上'''
    def draw(self):
        self.animate_count += 1
        if (self.animate_count % self.switch_freq == 0) and (not self.is_dead):
            self.animate_count = 0
            self.image = random.choice(self.pig_images[:2])
        position = self.loc_info[0] - self.loc_info[2], self.loc_info[1] - self.loc_info[2]
        self.screen.blit(self.image, position)
    '''移动猪'''
    def move(self):
        # 根据重力改变猪的速度向量
        self.velocity = VectorAddition(self.velocity, self.gravity)
        self.loc_info[0] += self.velocity.magnitude * math.sin(self.velocity.angle)
        self.loc_info[1] -= self.velocity.magnitude * math.cos(self.velocity.angle)
        self.velocity.magnitude *= self.inverse_friction
        # 宽度超出屏幕
        if self.loc_info[0] > self.screen_size[0] - self.loc_info[2]:
            self.loc_info[0] = 2 * (self.screen_size[0] - self.loc_info[2]) - self.loc_info[0]
            self.velocity.angle *= -1
            self.velocity.magnitude *= self.elasticity
        elif self.loc_info[0] < self.loc_info[2]:
            self.loc_info[0] = 2 * self.loc_info[2] - self.loc_info[0]
            self.velocity.angle *= -1
            self.velocity.magnitude *= self.elasticity
        # 高度超出屏幕
        if self.loc_info[1] > self.screen_size[1] - self.loc_info[2]:
            self.loc_info[1] = 2 * (self.screen_size[1] - self.loc_info[2]) - self.loc_info[1]
            self.velocity.angle = math.pi - self.velocity.angle
            self.velocity.magnitude *= self.elasticity
        elif self.loc_info[1] < self.loc_info[2]:
            self.loc_info[1] = 2 * self.loc_info[2] - self.loc_info[1]
            self.velocity.angle = math.pi - self.velocity.angle
            self.velocity.magnitude *= self.elasticity
    '''猪死掉了'''
    def setdead(self):
        self.is_dead = True
        self.image = self.pig_images[-1]

小鸟类

class Bird(pygame.sprite.Sprite):
    def __init__(self, screen, imagepaths, loc_info, velocity=None, color=(255, 255, 255), **kwargs):
        pygame.sprite.Sprite.__init__(self)
        assert len(loc_info) == 3
        assert len(imagepaths) == 1
        # 设置必要的属性常量
        self.color = color
        self.screen = screen
        self.loc_info = list(loc_info)
        self.imagepaths = imagepaths
        self.velocity = VelocityVector() if velocity is None else velocity
        self.type = 'bird'
        self.fly_path = []
        self.is_dead = False
        self.elasticity = 0.8
        self.is_loaded = False
        self.is_selected = False
        self.inverse_friction = 0.99
        self.gravity = VelocityVector(0.2, math.pi)
        # 屏幕大小
        self.screen_size = screen.get_rect().size
        self.screen_size = (self.screen_size[0], self.screen_size[1] - 50)
        # 导入图像
        self.image = pygame.image.load(imagepaths[0])
    '''画到屏幕上'''
    def draw(self):
        if not self.is_loaded:
            for point in self.fly_path:
                pygame.draw.ellipse(self.screen, self.color, (point[0], point[1], 3, 3), 1)
        position = self.loc_info[0] - self.loc_info[2], self.loc_info[1] - self.loc_info[2]
        self.screen.blit(self.image, position)
    '''判断有没有被鼠标选中'''
    def selected(self):
        pos = pygame.mouse.get_pos()
        dx, dy = pos[0] - self.loc_info[0], pos[1] - self.loc_info[1]
        dist = math.hypot(dy, dx)
        if dist < self.loc_info[2]:
            return True
        return False
    '''加载到弹弓上'''
    def load(self, slingshot):
        self.loc_info[0], self.loc_info[1] = slingshot.x, slingshot.y
        self.is_loaded = True
    '''重新设置位置'''
    def reposition(self, slingshot):
        pos = pygame.mouse.get_pos()
        if self.selected:
            self.loc_info[0], self.loc_info[1] = pos[0], pos[1]
            dx, dy = slingshot.x - self.loc_info[0], slingshot.y - self.loc_info[1]
            self.velocity.magnitude = min(int(math.hypot(dx, dy) / 2), 80)
            self.velocity.angle = math.pi / 2 + math.atan2(dy, dx)
    '''显示发射小鸟的路径'''
    def projectpath(self):
        if self.is_loaded:
            path = []
            bird = Bird(self.screen, self.imagepaths, self.loc_info, velocity=self.velocity)
            for i in range(30):
                bird.move()
                if i % 5 == 0: path.append((bird.loc_info[0], bird.loc_info[1]))
            for point in path:
                pygame.draw.ellipse(self.screen, self.color, (point[0], point[1], 2, 2))
    '''移动小鸟'''
    def move(self):
        # 根据重力改变小鸟的速度向量
        self.velocity = VectorAddition(self.velocity, self.gravity)
        self.loc_info[0] += self.velocity.magnitude * math.sin(self.velocity.angle)
        self.loc_info[1] -= self.velocity.magnitude * math.cos(self.velocity.angle)
        self.velocity.magnitude *= self.inverse_friction
        # 宽度超出屏幕
        if self.loc_info[0] > self.screen_size[0] - self.loc_info[2]:
            self.loc_info[0] = 2 * (self.screen_size[0] - self.loc_info[2]) - self.loc_info[0]
            self.velocity.angle *= -1
            self.velocity.magnitude *= self.elasticity
        elif self.loc_info[0] < self.loc_info[2]:
            self.loc_info[0] = 2 * self.loc_info[2] - self.loc_info[0]
            self.velocity.angle *= -1
            self.velocity.magnitude *= self.elasticity
        # 高度超出屏幕
        if self.loc_info[1] > self.screen_size[1] - self.loc_info[2]:
            self.loc_info[1] = 2 * (self.screen_size[1] - self.loc_info[2]) - self.loc_info[1]
            self.velocity.angle = math.pi - self.velocity.angle
            self.velocity.magnitude *= self.elasticity
        elif self.loc_info[1] < self.loc_info[2]:
            self.loc_info[1] = 2 * self.loc_info[2] - self.loc_info[1]
            self.velocity.angle = math.pi - self.velocity.angle
            self.velocity.magnitude *= self.elasticity

木块类

class Block(pygame.sprite.Sprite):
    def __init__(self, screen, imagepaths, loc_info, velocity=None, **kwargs):
        pygame.sprite.Sprite.__init__(self)
        assert len(loc_info) == 3
        assert len(imagepaths) == 2
        # 设置必要的属性常量
        self.type = 'block'
        self.screen = screen
        self.loc_info = list(loc_info)
        self.imagepaths = imagepaths
        self.velocity = VelocityVector() if velocity is None else velocity
        self.elasticity = 0.7
        self.is_destroyed = False
        self.inverse_friction = 0.99
        self.gravity = VelocityVector(0.2, math.pi)
        # 导入图像
        self.block_images = []
        for imagepath in imagepaths: self.block_images.append(pygame.transform.scale(pygame.image.load(imagepath), (100, 100)))
        # 屏幕大小
        self.screen_size = screen.get_rect().size
        self.screen_size = (self.screen_size[0], self.screen_size[1] - 50)
        # 设置当前图像
        self.image = self.block_images[0]
        self.rect = self.image.get_rect()
        self.rotate_angle = math.radians(0)
    '''画到屏幕上'''
    def draw(self):
        pygame.transform.rotate(self.image, self.rotate_angle)
        self.screen.blit(self.image, (self.loc_info[0] - self.rect.width // 2, self.loc_info[1]))
    '''设置为损坏状态'''
    def setdestroy(self):
        self.is_destroyed = True
        self.image = self.block_images[1]
    '''移动木块'''
    def move(self):
        # 根据重力改变木块的速度向量
        self.velocity = VectorAddition(self.velocity, self.gravity)
        self.loc_info[0] += self.velocity.magnitude * math.sin(self.velocity.angle)
        self.loc_info[1] -= self.velocity.magnitude * math.cos(self.velocity.angle)
        self.velocity.magnitude *= self.inverse_friction
        # 宽度超出屏幕
        if self.loc_info[0] > self.screen_size[0] - self.rect.width:
            self.loc_info[0] = 2 * (self.screen_size[0] - self.rect.width) - self.loc_info[0]
            self.velocity.angle *= -1
            self.rotate_angle = -self.velocity.angle
            self.velocity.magnitude *= self.elasticity
        elif self.loc_info[0] < self.rect.width:
            self.loc_info[0] = 2 * self.rect.width - self.loc_info[0]
            self.velocity.angle *= -1
            self.rotate_angle = -self.velocity.angle
            self.velocity.magnitude *= self.elasticity
        # 高度超出屏幕
        if self.loc_info[1] > self.screen_size[1] - self.rect.height:
            self.loc_info[1] = 2 * (self.screen_size[1] - self.rect.height) - self.loc_info[1]
            self.velocity.angle = math.pi - self.velocity.angle
            self.rotate_angle = math.pi - self.velocity.angle
            self.velocity.magnitude *= self.elasticity
        elif self.loc_info[1] < self.rect.height:
            self.loc_info[1] = 2 * self.rect.height - self.loc_info[1]
            self.velocity.angle = math.pi - self.velocity.angle
            self.rotate_angle = math.pi - self.velocity.angle
            self.velocity.magnitude *= self.elasticity

弹弓类

class Slingshot(pygame.sprite.Sprite):
    def __init__(self, screen, x, y, width, height, color=(66, 73, 73), line_color=(100, 30, 22), **kwargs):
        pygame.sprite.Sprite.__init__(self)
        self.x = x
        self.y = y
        self.color = color
        self.width = width
        self.height = height
        self.screen = screen
        self.line_color = line_color
        self.type = 'slingshot'
    '''画到屏幕上'''
    def draw(self, bird=None):
        pygame.draw.rect(self.screen, self.color, (self.x, self.y + self.height * 1 / 3, self.width, self.height * 2 / 3))
        if bird is not None and bird.is_loaded:
            pygame.draw.line(self.screen, self.line_color, (self.x, self.y + self.height / 6), (bird.loc_info[0], bird.loc_info[1] + bird.loc_info[2] / 2), 10)
            pygame.draw.line(self.screen, self.line_color, (self.x + self.width, self.y + self.height / 6), (bird.loc_info[0] + bird.loc_info[2], bird.loc_info[1] + bird.loc_info[2] / 2), 10)
        pygame.draw.rect(self.screen, self.color, (self.x - self.width / 4, self.y, self.width / 2, self.height / 3), 5)
        pygame.draw.rect(self.screen, self.color, (self.x + self.width * 3 / 4, self.y, self.width / 2, self.height / 3), 5)

源码获取

公众号【Python日志】
需要源码的小伙伴可以在公众号回复愤怒的小鸟
Python源码、问题解答学习交流群：773162165