This function is called when the touch screen stops being touched.
Syntax:
function _touchreleased(id,x,y,dx,dy,p)
end
Arguments:
- id (Number): The touch id.
- x (Number): The X coord of the touch.
- y (Number): The Y coord of the touch.
- dx (Number): The delta-x of the touch.
- dy (Number): The delta-y of the touch.
- p (Number): The pressure of the touch (Only on drawing tablets, 1 on any normal device).