text: """
  Sprite Explosion
  
  Simple program to show basic sprite usage.
  
  Artwork from http://kenney.nl
  Explosion graphics from http://www.explosiongenerator.com/
  
  If Python and Arcade are installed, this example can be run from the command line with:
  python -m arcade.examples.sprite_explosion
  """
  import random
  import arcade
  import os
  
  SPRITE_SCALING_PLAYER = 0.5
  SPRITE_SCALING_COIN = 0.2
  SPRITE_SCALING_LASER = 0.8
  COIN_COUNT = 50
  
  SCREEN_WIDTH = 800
  SCREEN_HEIGHT = 600
  SCREEN_TITLE = "Sprite Explosion Example"
  
  BULLET_SPEED = 5
  
  EXPLOSION_TEXTURE_COUNT = 60
  
  
  class Explosion(arcade.Sprite):
      """ This class creates an explosion animation """
  
      # Static variable that holds all the explosion textures
      explosion_textures = []
  
      def __init__(self, texture_list):
          super().__init__("images/explosion/explosion0000.png")
  
          # Start at the first frame
          self.current_texture = 0
          self.textures = texture_list
  
      def update(self):
  
          # Update to the next frame of the animation. If we are at the end
          # of our frames, then delete this sprite.
          self.current_texture += 1
          if self.current_texture < len(self.textures):
              self.set_texture(self.current_texture)
          else:
              self.kill()
  
  
  class MyGame(arcade.Window):
      """ Main application class. """
  
      def __init__(self):
          """ Initializer """
          # Call the parent class initializer
          super().__init__(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_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)
  
          # Variables that will hold sprite lists
          self.player_list = None
          self.coin_list = None
          self.bullet_list = None
          self.explosions_list = None
  
          # Set up the player info
          self.player_sprite = None
          self.score = 0
  
          # Don't show the mouse cursor
          self.set_mouse_visible(False)
  
          # Load sounds. Sounds from kenney.nl
          # self.gun_sound = arcade.sound.load_sound("sounds/laser1.wav")
          # self.hit_sound = arcade.sound.load_sound("sounds/phaseJump1.wav")
  
          arcade.set_background_color(arcade.color.AMAZON)
  
      def setup(self):
  
          """ Set up the game and initialize the variables. """
  
          # Sprite lists
          self.player_list = arcade.SpriteList()
          self.coin_list = arcade.SpriteList()
          self.bullet_list = arcade.SpriteList()
          self.explosions_list = arcade.SpriteList()
  
          # Pre-load the animation frames. We don't do this in the __init__ because it
          # takes too long and would cause the game to pause.
          self.explosion_texture_list = []
  
          for i in range(EXPLOSION_TEXTURE_COUNT):
              # Files from http://www.explosiongenerator.com are numbered sequentially.
              # This code loads all of the explosion0000.png to explosion0270.png files
              # that are part of this explosion.
              texture_name = f"images/explosion/explosion{i:04d}.png"
  
              self.explosion_texture_list.append(arcade.load_texture(texture_name))
  
          # self.explosions_list.preload_textures(self.explosion_texture_list)
  
          # Set up the player
          self.score = 0
  
          # Image from kenney.nl
          self.player_sprite = arcade.Sprite("images/character.png", SPRITE_SCALING_PLAYER)
          self.player_sprite.center_x = 50
          self.player_sprite.center_y = 70
          self.player_list.append(self.player_sprite)
  
          # Create the coins
          for coin_index in range(COIN_COUNT):
  
              # Create the coin instance
              # Coin image from kenney.nl
              coin = arcade.Sprite("images/coin_01.png", SPRITE_SCALING_COIN)
  
              # Position the coin
              coin.center_x = random.randrange(SCREEN_WIDTH)
              coin.center_y = random.randrange(150, SCREEN_HEIGHT)
  
              # Add the coin to the lists
              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.bullet_list.draw()
          self.player_list.draw()
          self.explosions_list.draw()
  
          # Render the text
          arcade.draw_text(f"Score: {self.score}", 10, 20, arcade.color.WHITE, 14)
  
      def on_mouse_motion(self, x, y, dx, dy):
          """
          Called whenever the mouse moves.
          """
          self.player_sprite.center_x = x
  
      def on_mouse_press(self, x, y, button, modifiers):
          """
          Called whenever the mouse button is clicked.
          """
  
          # Gunshot sound
          # arcade.sound.play_sound(self.gun_sound)
  
          # Create a bullet
          bullet = arcade.Sprite("images/laserBlue01.png", SPRITE_SCALING_LASER)
  
          # The image points to the right, and we want it to point up. So
          # rotate it.
          bullet.angle = 90
  
          # Give it a speed
          bullet.change_y = BULLET_SPEED
  
          # Position the bullet
          bullet.center_x = self.player_sprite.center_x
          bullet.bottom = self.player_sprite.top
  
          # Add the bullet to the appropriate lists
          self.bullet_list.append(bullet)
  
      def update(self, delta_time):
          """ Movement and game logic """
  
          # Call update on bullet sprites
          self.bullet_list.update()
          self.explosions_list.update()
  
          # Loop through each bullet
          for bullet in self.bullet_list:
  
              # Check this bullet to see if it hit a coin
              hit_list = arcade.check_for_collision_with_list(bullet, self.coin_list)
  
              # If it did, get rid of the bullet
              if len(hit_list) > 0:
                  explosion = Explosion(self.explosion_texture_list)
                  explosion.center_x = hit_list[0].center_x
                  explosion.center_y = hit_list[0].center_y
                  self.explosions_list.append(explosion)
                  bullet.kill()
  
              # For every coin we hit, add to the score and remove the coin
              for coin in hit_list:
                  coin.kill()
                  self.score += 1
  
                  # Hit Sound
                  # arcade.sound.play_sound(self.hit_sound)
  
              # If the bullet flies off-screen, remove it.
              if bullet.bottom > SCREEN_HEIGHT:
                  bullet.kill()
  
  
  def main():
      window = MyGame()
      window.setup()
      arcade.run()
  
  
  if __name__ == "__main__":
      main()
  