/**
* Copyright (c) 2008-2012 Ardor Labs, Inc.
*
* This file is part of Ardor3D.
*
* Ardor3D is free software: you can redistribute it and/or modify it
* under the terms of its license which may be found in the accompanying
* LICENSE file or at <http://www.ardor3d.com/LICENSE>.
*/
package com.ardor3d.input.logical;
import com.ardor3d.annotation.Immutable;
import com.ardor3d.input.InputState;
import com.google.common.base.Predicate;
/**
* A condition that is true if the mouse has moved between the two input states.
*/
@Immutable
public final class MouseMovedCondition implements Predicate<TwoInputStates> {
public boolean apply(final TwoInputStates states) {
final InputState currentState = states.getCurrent();
final InputState previousState = states.getPrevious();
if (currentState == null) {
return false;
}
if (currentState.equals(previousState)) {
return false;
}
return currentState.getMouseState().getDx() != 0 || currentState.getMouseState().getDy() != 0;
}
}