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【作品展示】

 

【作品介绍】

这是我的课程作品，按上下左右键移动，进化分设置的贼简单，适合新手使用

 

【作品源代码】

from arcade import *
from PIL import Image
import random

SCREEN_WIDTH = 900
SCREEN_HEIGHT = 600
SCREEN_TITLE = "大鱼吃小鱼"
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))
        
        self.size=2
    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

    def evolution(self,score):
        if score>=3:
            self.size=8
            self.scale=1.5
        elif score>=2:
            self.size=6
            self.scale=1.3
        elif score>=1:
            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.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 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 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()
        self.total_time=0
        self.last_time=0
        self.create_num=1

        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()
        draw_text(f"score:{self.score}",0,SCREEN_HEIGHT-20,color.WHITE,font_name=("simhei","PingFang"),font_size=20)
        
        if self.game_over_status:
            self.game_over.draw()
        if self.game_pause_status:
            self.game_pause.draw()
    def on_update(self, delta_time):
        if self.game_over_status or self.game_pause_status:
            return
        self.total_time+=delta_time

        if int(self.total_time) != int(self.last_time) and int(self.total_time) % 300 == 0:
            self.create_num += 1

        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_list.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()

        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:
                    hit.喵()
                    self.score+=hit.score
                    play_sound(self.eat_sound)
                else:
                    self.player_sprite.喵()
                    self.game_over_status=True
                    play_sound(self.game_over_sound)


        self.player_sprite.evolution(self.score)
        
    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")
        elif symbol==key.ESCAPE:
            self.game_pause_status=not self.game_pause_status
        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:
            self.player_sprite.change_y = 0
        elif symbol == key.LEFT or symbol == key.RIGHT:
            self.player_sprite.change_x = 0

    def create_enemy(self):
        for i in range(self.create_num):
            fish = random.choices(list(self.fishes.keys()),[0.3,0.1,0.05,0.05,0.5])[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()

 

【提示】

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