Zego/main.py at master · JirawadeeSampusri/Zego · GitHub

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import arcade
import os
from Zego_models import World

SPRITE_SCALING = 0.5

SCREEN_WIDTH = 800
SCREEN_HEIGHT = 600
SCREEN_TITLE = "Move Sprite with Keyboard Example"

MOVEMENT_SPEED = 5

class ModelSprite(arcade.Sprite):
    def __init__(self, *args, **kwargs):
        self.model = kwargs.pop('model', None)

        super().__init__(*args, **kwargs)

    def sync_with_model(self):
        if self.model:
            self.set_position(self.model.x, self.model.y)

    def draw(self):
        self.sync_with_model()
        super().draw()

    def update(self):
        self.center_x += self.change_x
        self.center_y += self.change_y

        if self.left < 0:
            self.left = 0
        elif self.right > SCREEN_WIDTH - 1:
            self.right = SCREEN_WIDTH - 1

        if self.bottom < 0:
            self.bottom = 0
        elif self.top > SCREEN_HEIGHT - 1:
            self.top = SCREEN_HEIGHT - 1

class ZegoDotWindow(arcade.Window):
    def __init__(self, width, height, title):
        """
        Initializer
        """
        super().__init__(width, height, title)

        file_path = os.path.dirname(os.path.abspath(__file__))
        os.chdir(file_path)

        self.player_list = None
        self.player_sprite = None

        arcade.set_background_color(arcade.color.BABY_BLUE_EYES)

    def setup(self):
        """ Set up the game and initialize the variables. """

        self.player_list = arcade.SpriteList()

        self.player_sprite = ModelSprite("images/dot.png", SPRITE_SCALING)
        self.player_sprite.center_x = 50
        self.player_sprite.center_y = 50
        self.player_list.append(self.player_sprite)

    def on_draw(self):
        """
        Render the screen.
        """

        arcade.start_render()

        self.player_list.draw()

    def update(self, delta_time):
        """ Movement and game logic """

        self.player_list.update()

    def on_key_press(self, key, modifiers):
        """Called whenever a key is pressed. """

        if key == arcade.key.UP:
            self.player_sprite.change_y = MOVEMENT_SPEED
        elif key == arcade.key.DOWN:
            self.player_sprite.change_y = -MOVEMENT_SPEED
        elif key == arcade.key.LEFT:
            self.player_sprite.change_x = -MOVEMENT_SPEED
        elif key == arcade.key.RIGHT:
            self.player_sprite.change_x = MOVEMENT_SPEED

    def on_key_release(self, key, modifiers):
        """Called when the user releases a key. """

        if key == arcade.key.UP or key == arcade.key.DOWN:
            self.player_sprite.change_y = 0
        elif key == arcade.key.LEFT or key == arcade.key.RIGHT:
            self.player_sprite.change_x = 0


def main():
    """ Main method """
    window = ZegoDotWindow(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
    window.setup()
    arcade.run()


if __name__ == "__main__":
    main()