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【作品展示】

 

【作品介绍】

蚌 埠 住 了（doge）

 

【作品源代码】

from arcade import *
from PIL import Image
import random

SCREEN_WIDTH = 900
SCREEN_HEIGHT = 600
SCREEN_TITLE = "《水 族 馆》"
MOVEMENT_SPEED = 4
LEFT = 0
RIGHT = 1


class Player(Sprite):
    def __init__(self, image):
        super().__init__(image)
        self.center_x = SCREEN_WIDTH // 2
        self.center_y = SCREEN_HEIGHT // 2

        self.append_texture(load_texture(
            "resource/player.png", mirrored=True, scale=1))

    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 Enemy(Sprite):
    def __init__(self, image):
        super().__init__(image)
        #随机选择敌人生成的位置
        face = random.choice(["left", "right"])
        #随机选择敌人的移动速度
        speed = random.choice([1, 2, 3, 4, 5])
        if face == "left":
            self.center_x = SCREEN_WIDTH + 60
            self.change_x = -speed
        elif face == "right":
            self.center_x = -60
            #设置敌人的向右造型
            self.append_texture(load_texture(image, mirrored=True, scale=1))
            self.set_texture(RIGHT)
            self.change_x = speed
        self.center_y = random.randint(0, SCREEN_HEIGHT)


class MyGame(arcade.Window):
    def __init__(self, width, height, title):
        super().__init__(width, height, title)
        self.setup()

    def setup(self):
        #用pillow调整背景图片大小以适配窗体宽高
        Image.open("resource/sea.png").resize((SCREEN_WIDTH,
                                               SCREEN_HEIGHT)).save("resource/new_sea.png")
        #设置背景图片
        self.background = Sprite("resource/new_sea.png")
        self.background.center_x = SCREEN_WIDTH // 2
        self.background.center_y = SCREEN_HEIGHT // 2
        #添加玩家角色
        self.player_sprite = Player("resource/player.png")

        self.fishes = ["resource/黄鱼.png", "resource/绿鱼.png",
                       "resource/红鱼.png", "resource/紫鱼.png", "resource/蓝鱼.png"]

        self.enemy_sprite_list = SpriteList()
        self.total_time = 0
        self.last_time = 0
        self.create_num = 1

    def on_draw(self):
        start_render()

        self.background.draw()
        self.player_sprite.draw()
        self.enemy_sprite_list.draw()

    def on_update(self, delta_time):
        self.total_time += delta_time
        #总时间到某个点后提高生成速度
        if int(self.total_time) == 5:
            self.create_num = 100
        #每隔1秒创建敌人
        if int(self.total_time) != int(self.last_time) and int(self.total_time) % 1 == 0:
            self.create_enemy()
            self.last_time = self.total_time

        self.player_sprite.update()
        self.enemy_sprite_list.update()

        for enemy in self.enemy_sprite_list:
            if enemy.center_x < -60 or enemy.center_x > SCREEN_WIDTH + 60:
                enemy.喵()
        print(len(self.enemy_sprite_list))

    def on_key_press(self, symbol, modifiers):
        if symbol == key.UP:
            self.player_sprite.change_y = MOVEMENT_SPEED
        elif symbol == key.DOWN:
            self.player_sprite.change_y = -MOVEMENT_SPEED
        elif symbol == key.LEFT:
            self.player_sprite.change_x = -MOVEMENT_SPEED
            self.player_sprite.set_texture(LEFT)
        elif symbol == key.RIGHT:
            self.player_sprite.change_x = MOVEMENT_SPEED
            self.player_sprite.set_texture(RIGHT)
        elif symbol == key.RETURN:
            image = get_image(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT)
            image.save("screenshot.png")

    def on_key_release(self, symbol, modifiers):
        if symbol == key.UP or symbol == key.DOWN:
            self.player_sprite.change_y = 0
        elif symbol == key.LEFT or symbol == key.RIGHT:
            self.player_sprite.change_x = 0

    #创建敌人的方法
    def create_enemy(self):
        for i in range(self.create_num):
            #随机选择敌人的图片素材
            fish = random.choice(self.fishes)
            enemy_sprite = Enemy(fish)
            self.enemy_sprite_list.append(enemy_sprite)


if __name__ == "__main__":
    game = MyGame(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
    run()

 

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