Technical requirements

To examine the source from this chapter, you can download it from https://github.com/PacktPublishing/Building-Games-with-Flutter/tree/main/chapter10.

The following steps will add a library to the pubspec file to assist with pathfinding, along with some new and updated assets:

1. In this chapter, we will use updated versions of the tile map files, so please download these updated tile map files and place them in the assets/tiles folder, overriding the existing files:

https://github.com/PacktPublishing/Building-Games-with-Flutter/blob/main/chapter10/assets/tiles/tiles.tmx

https://github.com/PacktPublishing/Building-Games-with-Flutter/blob/main/chapter10/assets/tiles/tiles.tsx

2. Open the pubspec.yaml file and add the following dependency:

   a_star_algorithm: ^0.3.0

3. In this chapter, we will use a modified version of the sprite sheet for our character George, so let's update that.

Download the george.png image from the following...