text: var Assets = {
      PLAYER_SPRITE_KEY: "PLAYER_SPRITE_KEY",
      PLAYER_SPRITE_DIR: "assets/sprites/player_60-60.png",
      BULLET_SPRITE_KEY: "BULLET_SPRITE_KEY",
      BULLET_SPRITE_DIR: "assets/sprites/bullet_7-8.png",
      TILESET_KEY: "TILE_SET_KEY",
      TILESET_DIR: "assets/sprites/tiles_60-90.png",
      TILESET_JSON_KEY: "tiles_60-90",
      TILEMAP_KEY: "TILEMAP_KEY",
      TILEMAP_DIR: "assets/tilemaps/level.json",
      TILEMAP2_KEY: "TILEMAP2_KEY",
      TILEMAP2_DIR: "assets/tilemaps/level2.json",
      TILEMAP3_KEY: "TILEMAP3_KEY",
      TILEMAP3_DIR: "assets/tilemaps/level3.json",
      TILEMAP4_KEY: "TILEMAP4_KEY",
      TILEMAP4_DIR: "assets/tilemaps/level4.json",
      TILEMAP5_KEY: "TILEMAP5_KEY",
      TILEMAP5_DIR: "assets/tilemaps/level5.json"
  };
  