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【作品展示】

 

【作品介绍】

大鱼吃小鱼第一课

 

【作品源代码】

from arcade import *
from PIL import Image

SCREEN_WIDTH = 900
SCREEN_HEIGHT = 600
SCREEN_TITLE = "大鱼吃小鱼"
MOVEHENT_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.bottom < 0:
            self.bottom = 0
        elif self.top > SCREEN_HEIGHT:
            self.top = SCREEN_HEIGHT

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")

    def on_draw(self):
        start_render()
        self.background.draw()
        self.player_sprite.draw()

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

    def on_key_release(self,symbol,modifier):
        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



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

 

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