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【作品介绍】

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【作品源代码】

from arcade import *
from PIL import Image
import random

# 设置窗体宽和高
SCREEN_WIDTH = 900
SCREEN_HEIGHT = 700
# 设置窗体标题
SCREEN_TITLE = "大鱼吃小鱼"
MOVEMENT_SPEED = 1.5
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))


        self.size = 2

        

    def update1(self):
        super().update()
        if self.left < 0:
            self.left = 0

    def update2(self):
        super().update()
        if self.right > SCREEN_WIDTH:
            self.right = SCREEN_WIDTH

    def update3(self):
        super().update()
        if self.bottom < 0:
            self.bottom = 0

    def update4(self):
        super().update()
        if self.top > SCREEN_HEIGHT:
            self.top = SCREEN_HEIGHT
    def evolution(self,score):
        if score >= 70:
            self.size = 10
            self.scale = 2
        elif score >= 50:
            self.scale = 1.7
        elif score >= 20:
            self.size = 8
            self.scale = 1.5
        elif score >= 10:
            self.size = 6
            self.scale = 1.3
        elif score >= 5:
            self.size = 4
            self.scale = 1.2

class Enemy(Sprite):
    def __init__(self,image):
        super().__init__(image) 
        face = random.choice(['left','right'])
        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
            self.change_x = speed
            self.append_texture(load_texture(image,mirrored=True, scale=1))
            self.set_texture(RIGHT)
        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 MyGame(arcade.Window):
    def __init__(self, width, height, title):
        super().__init__(width, height, title)
        self.setup()
    def music():
        self.musicsound = load_sound("resource/Pianoboy高至豪 - 安静的午后.wav")

    def setup(self):
        Image.open("resource/sea.png").resize((SCREEN_WIDTH,SCREEN_HEIGHT)).save("resource/new_sea.png")
        self.background = Sprite("resource/new_sea.png")
        self.background.center_x = SCREEN_WIDTH//2
        self.background.center_y = SCREEN_HEIGHT//2
        self.player_sprite = Player("resource/player.png")
        self.player_sprite_list = SpriteList()
        self.player_sprite_list.append(self.player_sprite)
        self.fishes = {"resource/黄鱼.png":(1,1), "resource/绿鱼.png":(3,2),
                       "resource/红鱼.png":(5,3), "resource/紫鱼.png":(7,4), "resource/蓝鱼.png":(9,5)}
        self.enemy_sprite_list = SpriteList()
        MUSIC_TIME = 0
        self.total_time = 0
        self.last_time = 0
        self.create_num = 1
        self.time = 0
        self.screenshot_total_time = 0
        self.for_time = 0
        self.score = 0
        self.game_over_status = False
        self.game_over = Status("resource/game_over.png")
        self.game_pause_status = False
        self.game_pause = Status("resource/game_pause.png")
        self.eat_sound = load_sound("resource/eat_sound.wav")
        self.game_over_sound = load_sound("resource/game_over_sound.wav")

    def on_draw(self):
        start_render()
        self.background.draw()
        self.player_sprite_list.draw()
        self.enemy_sprite_list.draw()
        if self.game_over_status:
            self.game_over.draw()
            if int(self.total_time) % 2 == 0:
                draw_text("请按下 TAB 键重新开始游戏",start_x = 300,start_y = 100,color=color.WHITE,font_name = ("simhei","pingfang"),font_size=20)
        if self.game_pause_status:
            self.game_pause.draw()
        draw_text(f'score:{self.score}',0,SCREEN_HEIGHT-20,color.WHITE,font_name=('simhei','pingfang'),font_size=20)
    def on_update(self, delta_time: float):
        self.total_time += delta_time
        if self.game_over_status or self.game_pause_status:
            return
        if int(self.total_time) != int(self.last_time) and int(self.total_time) %20 == 0:
            self.create_num += 1
        if int(self.last_time) != int(self.total_time) and int(self.total_time) % 1 == 0:
            self.create_enemy()
            self.last_time = self.total_time
        self.player_sprite.update1()
        self.player_sprite.update2()
        self.player_sprite.update3()
        self.player_sprite.update4()
        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()

        hit_list = check_for_collision_with_list(self.player_sprite,self.enemy_sprite_list)
        if hit_list:
            for hit in hit_list:
                if self.player_sprite.size > hit.size:
                    #play_sound(self.eat_sound)
                    hit.喵()
                    self.score+=hit.score
                else:
                    self.player_sprite.喵()
                    #play_sound(self.game_over_sound)
                    self.game_over_status = True
        self.player_sprite.evolution(self.score)

    def on_key_press(self, symbol, modifiers):
        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
            self.player_sprite.set_texture(LEFT)
        elif symbol == key.RIGHT or symbol == key.D:
            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)
            while True:
                try:
                    Image.open('screenshot{}.png'.format(self.screenshot_total_time))
                    self.screenshot_total_time += 1
                except:

                    self.time = self.screenshot_total_time
                    break
            image.save('screenshot{}.png'.format(self.time))
            self.time+=1
        elif symbol == key.TAB:
            if self.game_over_status:
                self.setup()
        elif symbol == key.ESCAPE:
            self.game_pause_status = not self.game_pause_status
    def on_key_release(self, symbol, modifiers):
        if symbol == key.UP or symbol == key.W or symbol == key.DOWN or symbol == key.S:
            self.player_sprite.change_y = 0
        elif symbol == key.LEFT or symbol == key.A or symbol == key.RIGHT or symbol == key.D:
            self.player_sprite.change_x = 0
    def create_enemy(self):
        for i in range(self.create_num):
            fish = random.choices(list(self.fishes.keys()),[0.3,0.2,0.1,0.05,0.35])[0]
            enemy_sprite = Enemy(fish)
            enemy_sprite.size = self.fishes[fish][0]
            enemy_sprite.score = self.fishes[fish][1]
            self.enemy_sprite_list.append(enemy_sprite)


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

 

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