box2dmotorjoint.h

#ifndef BOX2DMOTORJOINT_H
#define BOX2DMOTORJOINT_H

/*
 * box2dmotorjoint.h
 * Copyright (c) 2011 Joonas Erkinheimo <joonas.erkinheimo@nokia.com>
 * Copyright (c) 2011 Markus Kivioja <markus.kivioja@digia.com>
 *
 * This file is part of the Box2D QML plugin.
 *
 * This software is provided 'as-is', without any express or implied warranty.
 * In no event will the authors be held liable for any damages arising from
 * the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software in
 *    a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source distribution.
 */

#include "box2djoint.h"
#include <Box2D.h>

class b2World;
class b2MotorJoint;

class Box2DMotorJoint : public Box2DJoint
{
    Q_OBJECT

    Q_PROPERTY(QPointF linearOffset READ linearOffset WRITE setLinearOffset NOTIFY linearOffsetChanged)
    Q_PROPERTY(float angularOffset READ angularOffset WRITE setAngularOffset NOTIFY angularOffsetChanged)
    Q_PROPERTY(float maxForce READ maxForce WRITE setMaxForce NOTIFY maxForceChanged)
    Q_PROPERTY(float maxTorque READ maxTorque WRITE setMaxTorque NOTIFY maxTorqueChanged)
    Q_PROPERTY(float correctionFactor READ correctionFactor WRITE setCorrectionFactor NOTIFY correctionFactorChanged)

public:
    explicit Box2DMotorJoint(QObject *parent = 0);
    ~Box2DMotorJoint();

    QPointF linearOffset() const;
    void setLinearOffset(const QPointF & linearOffset);

    float angularOffset() const;
    void setAngularOffset(const float angularOffset);

    float maxForce() const;
    void setMaxForce(const float maxForce);

    float maxTorque() const;
    void setMaxTorque(const float maxTorque);

    float correctionFactor() const;
    void setCorrectionFactor(const float correctionFactor);

    void nullifyJoint();
    void createJoint();
    void cleanup(b2World *world);
    b2Joint *joint() const;

signals:
    void linearOffsetChanged();
    void angularOffsetChanged();
    void maxForceChanged();
    void maxTorqueChanged();
    void correctionFactorChanged();

private:
    b2MotorJointDef mMotorJointDef;
    b2MotorJoint *mMotorJoint;
};


#endif // BOX2DMOTORJOINT_H