Hello!
Ok, the delta position, is the tiny movement that occured between this frame and the last frame. Say you move with your finger the joystick very fast, ths delta value will have a greater value then if you move your finger very slowly.
a game runs betwen 20 and 60 frame per seconds (fps), so if your delta position is 1 and you are running at 60 fps, it means that the joystick moved 1 unit within 1/60 of a seconds.
does that make sense?
in the package I sent on this thread, you don't need to worry about that, instead, what you likely want with a joystick controller is the actual absolute position, that is, if you maintain the joystick on its right, you will get 1, constantly ( where your delta position would become 0, because you are not moving the joystick anymore).
So if you want to control a object to move it, you simply multiply the absolute position of the joystick with a speed factor and use that to translate your object.
Does that make sense?
Bye,
Jean