text: """
  Move with a Sprite Animation
  
  Simple program to show basic sprite usage.
  
  Artwork from http://kenney.nl
  
  If Python and Arcade are installed, this example can be run from the command line with:
  python -m arcade.examples.sprite_move_animation
  """
  import arcade
  import random
  import os
  
  SCREEN_WIDTH = 800
  SCREEN_HEIGHT = 600
  SCREEN_TITLE = "Move with a Sprite Animation Example"
  
  COIN_SCALE = 2
  COIN_COUNT = 50
  
  MOVEMENT_SPEED = 5
  
  
  class MyGame(arcade.Window):
      """ Main application class. """
  
      def __init__(self, width, height, title):
          """
          Initializer
          """
          super().__init__(width, height, title)
  
          # Set the working directory (where we expect to find files) to the same
          # directory this .py file is in. You can leave this out of your own
          # code, but it is needed to easily run the examples using "python -m"
          # as mentioned at the top of this program.
          file_path = os.path.dirname(os.path.abspath(__file__))
          os.chdir(file_path)
  
          """ Set up the game and initialize the variables. """
  
          # Sprite lists
          self.player_list = None
          self.coin_list = None
  
          # Set up the player
          self.score = 0
          self.player = None
  
      def setup(self):
          self.player_list = arcade.SpriteList()
          self.coin_list = arcade.SpriteList()
  
          # Set up the player
          self.score = 0
          self.player = arcade.AnimatedWalkingSprite()
  
          character_scale = 3
          self.player.stand_right_textures = []
          self.player.stand_right_textures.append(arcade.load_texture("images/character_sprites/character0.png",
                                                                      scale=character_scale))
          self.player.stand_left_textures = []
          self.player.stand_left_textures.append(arcade.load_texture("images/character_sprites/character0.png",
                                                                     scale=character_scale, mirrored=True))
  
          self.player.walk_right_textures = []
  
          self.player.walk_right_textures.append(arcade.load_texture("images/character_sprites/characterw0.png",
                                                                     scale=character_scale))
          self.player.walk_right_textures.append(arcade.load_texture("images/character_sprites/characterw1.png",
                                                                     scale=character_scale))
          self.player.walk_right_textures.append(arcade.load_texture("images/character_sprites/characterw2.png",
                                                                     scale=character_scale))
          self.player.walk_right_textures.append(arcade.load_texture("images/character_sprites/characterw3.png",
                                                                     scale=character_scale))
  
          self.player.walk_left_textures = []
  
          self.player.walk_left_textures.append(arcade.load_texture("images/character_sprites/characterw0.png",
                                                                    scale=character_scale, mirrored=True))
          self.player.walk_left_textures.append(arcade.load_texture("images/character_sprites/characterw1.png",
                                                                    scale=character_scale, mirrored=True))
          self.player.walk_left_textures.append(arcade.load_texture("images/character_sprites/characterw2.png",
                                                                    scale=character_scale, mirrored=True))
          self.player.walk_left_textures.append(arcade.load_texture("images/character_sprites/characterw3.png",
                                                                    scale=character_scale, mirrored=True))
  
          self.player.texture_change_distance = 20
  
          self.player.center_x = SCREEN_WIDTH // 2
          self.player.center_y = SCREEN_HEIGHT // 2
          self.player.scale = 3 
  
          self.player_list.append(self.player)
  
          for i in range(COIN_COUNT):
              coin = arcade.AnimatedTimeSprite(scale=0.5)
              coin.center_x = random.randrange(SCREEN_WIDTH)
              coin.center_y = random.randrange(SCREEN_HEIGHT)
  
  
              coin.textures = []
              coin.textures.append(arcade.load_texture("images/gold_1.png", scale=COIN_SCALE))
              coin.textures.append(arcade.load_texture("images/gold_2.png", scale=COIN_SCALE))
              coin.textures.append(arcade.load_texture("images/gold_3.png", scale=COIN_SCALE))
              coin.textures.append(arcade.load_texture("images/gold_4.png", scale=COIN_SCALE))
              coin.textures.append(arcade.load_texture("images/gold_3.png", scale=COIN_SCALE))
              coin.textures.append(arcade.load_texture("images/gold_2.png", scale=COIN_SCALE))
              coin.cur_texture_index = random.randrange(len(coin.textures))
  
              self.coin_list.append(coin)
  
          # Set the background color
          arcade.set_background_color(arcade.color.AMAZON)
  
      def on_draw(self):
          """
          Render the screen.
          """
  
          # This command has to happen before we start drawing
          arcade.start_render()
  
          # Draw all the sprites.
          self.coin_list.draw()
          self.player_list.draw()
  
          # Put the text on the screen.
          output = f"Score: {self.score}"
          arcade.draw_text(output, 10, 20, arcade.color.WHITE, 14)
  
      def on_key_press(self, key, modifiers):
          """
          Called whenever a key is pressed.
          """
          if key == arcade.key.UP:
              self.player.change_y = MOVEMENT_SPEED
          elif key == arcade.key.DOWN:
              self.player.change_y = -MOVEMENT_SPEED
          elif key == arcade.key.LEFT:
              self.player.change_x = -MOVEMENT_SPEED
          elif key == arcade.key.RIGHT:
              self.player.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.change_y = 0
          elif key == arcade.key.LEFT or key == arcade.key.RIGHT:
              self.player.change_x = 0
  
      def update(self, delta_time):
          """ Movement and game logic """
  
          self.coin_list.update()
          self.coin_list.update_animation()
          self.player_list.update()
          self.player_list.update_animation()
  
          # Generate a list of all sprites that collided with the player.
          hit_list = arcade.check_for_collision_with_list(self.player, self.coin_list)
  
          # Loop through each colliding sprite, remove it, and add to the score.
          for coin in hit_list:
              coin.remove_from_sprite_lists()
              self.score += 1
  
  
  def main():
      """ Main method """
      window = MyGame(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
      window.setup()
      arcade.run()
  
  
  if __name__ == "__main__":
      main()