Result = TouchDeltaY(Finger)Description
Returns the finger 'y' movement (in pixels) since the last call of this function.
Finger The finger to get the value. Up to five fingers are supported at once, value can be between 0 and 4. TouchScreenPushed() can be used to know which fingers are currently on the screen.
The finger 'y' movement (in pixels) since the last call of this function. It can be either a negative or positive value, depending on whether or not the finger has been moved to top or bottom since the last call. ExamineTouchScreen() should be called before this function to update the actual finger position.