Check if Button A has been clicked (pressed-released) since the last check.
Click state will be reset after checking, means calling this method twice it will report true, false.
return true if yes, false if no.
Check if Button B has been clicked (pressed-released) since the last check.
Click state will be reset after checking,means calling this method twice it will report true, false.
return true if yes, false if no.
Check if Button A is pressed right now.
return true if yes, false if no.
Check if Button B is pressed right now.
return true if yes, false if no.