This video shows how to capture player input from the keyboard, specifically to use skills attached to the ASDF keys. I've also added timers to these skills so the player must wait to use them again.
Keyboard input
Timed skills
Input.GetKeyDown()
KeyCode.[ASDF]
See the daily progress of ArcShoot at brettsgamedev.StrategeryGames.com. This video is shows progress up to ArcShoot 0.0.9.
For a full list of the keycodes available in Unity3D, see their page http://docs.unity3d.com/Documentation....