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【作品介绍】

【120强进36】活动作品

用arcade、PIL库制作而成，160多行代码

WASD或方向键移动，分数大于30胜利，失败后按Tab键可以重来

求赞QAQ

 

【作品源代码】

from arcade import *
import PIL.Image as IMG
import random
import time
SCREEN_WIDTH = 900
SCREEN_HEIGHT = 600
SCREEN_TITLE = '回到地球'
MOVEMENT_SPEED = 5
class Player(Sprite):
    def __init__(self, Image):
        super().__init__(Image)
        self.center_x = SCREEN_WIDTH-850
        self.center_y = SCREEN_HEIGHT // 2
        self.scale = 0.1
        self.append_texture(load_texture('飞机.png'))
        self.change_x = 0
        self.change_y = 0
    def update(self):
        super().update()
        if self.left < 0:
            self.left = 0
        elif self.right > SCREEN_WIDTH:
            self.right = SCREEN_WIDTH
        if self.top > SCREEN_HEIGHT:
            self.top = SCREEN_HEIGHT
        elif self.bottom < 0:
            self.bottom = 0
class Bullet(Sprite):
    def __init__(self, image):
        super().__init__(image)
        self.append_texture(load_texture(image, mirrored=True))
        self.scale = 0.25
        self.center_x = SCREEN_WIDTH-850
        self.center_y = SCREEN_HEIGHT // 2
        self.change_x = 18
class Enemy(Sprite):
    def __init__(self, image):
        super().__init__(image)
        self.scale = 0.1
        self.append_texture(load_texture(image, mirrored=True))
        self.center_x = SCREEN_WIDTH + 60
        self.change_x = random.randint(-6, -3)
        self.center_y = random.randint(0, SCREEN_HEIGHT)
class Status(Sprite):
    def __init__(self, image):
        super().__init__(image)
        self.center_x = SCREEN_WIDTH // 2
        self.center_y = SCREEN_HEIGHT // 2
class Earth(Sprite):
    def __init__(self, image):
        super().__init__(image)
        self.center_x = SCREEN_WIDTH
        self.center_y = SCREEN_HEIGHT // 2
        self.change_x = -5
class MyGame(Window):
    def __init__(self, width, height, titel):
        super().__init__(width, height, titel)
        self.setup()
    def setup(self):
        self.player_sprite = Player('飞机.png')
        self.bullet_sprite = Bullet('子弹.png')
        self.earth_sprite = Earth('地球.png')
        self.enemy_sprite_list = SpriteList()
        self.score = 0
        self.total_time = 0
        self.last_time = 0
        self.create_num = 3
        self.game_over_status = False
        self.game_win_status = False
        self.game_over = Status('game_over.png')
    def on_draw(self):
        try:
            start_render()
            self.player_sprite.draw()
            self.bullet_sprite.draw()
            self.enemy_sprite_list.draw()
            draw_text(f'分数:{self.score}', 0, SCREEN_HEIGHT-30,
                      color=color.WHITE, font_name=('simhei', 'PingFing'), font_size=20)
            # 游戏结束
            if self.game_over_status:
                self.game_over.draw()
                if int(self.total_time) % 2 == 0:
                    draw_text('按下 TAB 键重新开始游戏', start_x=300, start_y=100,
                              color=color.RED, font_name=('simhei', 'PingFing'), font_size=20)
        except:
            if self.score == 30:
                self.earth_sprite.draw()
            if self.game_win_status:
                draw_text('成功！', start_x=SCREEN_WIDTH//2-50, start_y=SCREEN_HEIGHT//2,
                          color=color.ORANGE, font_name=('simhei', 'PingFing'), font_size=50)
            return
    def on_update(self, delta_time):
        self.total_time += delta_time
        if self.game_over_status:
            return
        if self.score <= 30:
            self.player_sprite.update()
            if self.enemy_sprite_list:
                try:
                    self.enemy_sprite_list.update()
                except:
                    return
            self.bullet_sprite.update()
            for enemy in self.enemy_sprite_list:
                if enemy.center_x < -60 or enemy.center_x > SCREEN_WIDTH + 60:
                    enemy.喵()
            if int(self.total_time) != int(self.last_time) and int(self.total_time) % 300 == 0:
                self.create_num += 1
            # 创建敌人
            if int(self.total_time) != int(self.last_time) and int(self.total_time) % 2 == 0:
                self.create_enemy()
                self.last_time = self.total_time
            # 碰撞检测
            try:
                if self.enemy_sprite_list:
                    hit_list = check_for_collision_with_list(
                        self.bullet_sprite, self.enemy_sprite_list)
                    if hit_list:
                        for hit in hit_list:
                            hit.喵()
                            self.score += 1
                    over_hit_list = check_for_collision_with_list(
                        self.player_sprite, self.enemy_sprite_list)
                    if over_hit_list:
                        self.game_over_status = True
                    if self.enemy_sprite_list:
                        if self.bullet_sprite.center_x >= SCREEN_WIDTH or hit_list:
                            self.bullet_sprite.center_x = self.player_sprite.center_x
                            self.bullet_sprite.center_y = self.player_sprite.center_y
            except:
                self.game_win_status = True
                return
        if self.score >= 30:
            self.enemy_sprite_list = []
            self.player_sprite.center_x = SCREEN_WIDTH-850
            self.player_sprite.center_y = SCREEN_HEIGHT // 2
    def on_key_press(self, symbol, modifiers):
        if not self.game_win_status:
            if symbol == key.UP or symbol == key.W:
                self.player_sprite.change_y = MOVEMENT_SPEED
            elif symbol == key.DOWN or symbol == key.S:
                self.player_sprite.change_y = -MOVEMENT_SPEED
            elif symbol == key.LEFT or symbol == key.A:
                self.player_sprite.change_x = -MOVEMENT_SPEED
            elif symbol == key.RIGHT or symbol == key.D:
                self.player_sprite.change_x = MOVEMENT_SPEED
            elif symbol == key.TAB:
                if self.game_over_status:
                    self.setup()
    def on_key_release(self, symbol, modifiers):
        if symbol == key.UP or symbol == key.DOWN or symbol == key.W or symbol == key.S:
            self.player_sprite.change_y = 0
        elif symbol == key.LEFT or symbol == key.RIGHT or symbol == key.A or symbol == key.D:
            self.player_sprite.change_x = 0
    def create_enemy(self):
        for i in range(self.create_num):
            enemy_sprite = Enemy('敌人.png')
            self.enemy_sprite_list.append(enemy_sprite)
if __name__ == '__main__':
    try:
        game = MyGame(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
        run()
    except:
        pass

 

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