Need help with mousegetpos and mousemove

I just found out yesterday autoit and I try to make a macro that can stock the mousegetpos * in * the macro by pressing a hotkey and then with another hotkey, performs * mousemove on the postion mousegetpos have find, and add value to the position, for example (x * of mousegetpos *+ 10) with a while continuously and sleep if  hotkey is not press.
is it possible ?