public boolean apply(final TwoInputStates states) {
final InputState currentState = states.getCurrent();
final InputState previousState = states.getPrevious();
return currentState
.getKeyboardState()
.getKeysReleasedSince(previousState.getKeyboardState())
.contains(key);
}
@Override
public boolean apply(final TwoInputStates twoInputStates) {
final InputState currentState = twoInputStates.getCurrent();
final InputState previousState = twoInputStates.getPrevious();
return !currentState
.getKeyboardState()
.getKeysPressedSince(previousState.getKeyboardState())
.isEmpty();
}