A* Pathfinding (code below)

This code sample show you how tumbleweed framework implements pathfinding using A* algorithm. You can interact with this it:

• Left click on a square of the map to toggle its status.
• Black color means that the square is an obstacle
• Transparent means that the square is not an obstacle
• Right click on a square to set the new position of the destination point (Green square)
• Use left, right, up, down arrows to move the start point (Red square)

If you want to enable focus on the game, just click on it. Click somewhere else to disable it.

Development details are in the section below. Source code is on the right and the matching comments are on the left.