We can now move on the heart of the game itself, moving our hero around the map. This section will address concepts that are pretty common in game development, such as:
Anybody who has ever held a typical smartphone will have surely noticed that there is nothing that can act as a controller; there's no trackball and there are no directional buttons. That's not a problem; we'll just build our own.
To do this, we will use an image that will act as a controller for our game. A Virtual Directional Control Pad (V-Pad), similar to the following diagram, will allow us to move our hero in every direction:
The V-Pad creation
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