Movement.py

import arcade

win_width = 800
win_height = 600

rec_width = 50
rec_height = 50
speed = 5


class Rectangle:
    def __init__(self, x, y, rec_width, rec_height, angle, colour):
        self.x = x
        self.y = y

        self.new_x = 0  # New position
        self.new_y = 0

        self.angle = angle
        self.rec_width = rec_width
        self.rec_height = rec_height
        self.colour = colour

    def draw(self):
        arcade.draw_rectangle_filled(
            self.x, self.y, self.rec_width, self.rec_height, self.colour, self.angle
        )

    def move(self):
        self.x = self.x + self.new_x
        if self.x < (rec_width // 2):
            self.x = rec_width // 2
        if self.x > win_width - (rec_width // 2):
            self.x = win_width - (rec_width // 2)

        self.y = self.y + self.new_y
        if self.y < (rec_height // 2):
            self.y = rec_height // 2
        if self.y > win_height - (rec_height // 2):
            self.y = win_height - (rec_height // 2)


class movement(arcade.Window):
    def __init__(self, width, height):
        super().__init__(width, height, title="MOVEMENT")

    def start(self):
        x = win_width // 2
        y = win_height // 2
        self.player = Rectangle(
            x, y, rec_width, rec_width, angle=0, colour=arcade.color.RED
        )

    def on_update(self, dt):
        self.player.move()

    def on_draw(self):
        arcade.start_render()
        self.player.draw()

    def on_key_press(self, key, modif):
        if key == arcade.key.UP:
            self.player.new_y = speed
        elif key == arcade.key.DOWN:
            self.player.new_y = -speed
        elif key == arcade.key.LEFT:
            self.player.new_x = -speed
        elif key == arcade.key.RIGHT:
            self.player.new_x = speed

    def on_key_release(self, key, modif):
        if key == arcade.key.UP or key == arcade.key.DOWN:
            self.player.new_y = 0
        if key == arcade.key.LEFT or key == arcade.key.RIGHT:
            self.player.new_x = 0


if __name__ == "__main__":
    print("Use Arrow Keys to move the square")
    move = movement(win_width, win_height)
    move.start()
    arcade.run()