File indexing completed on 2024-04-21 14:43:25

 /*
  * box2dprismaticjoint.h
  * Copyright (c) 2011 Joonas Erkinheimo <joonas.erkinheimo@nokia.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.
  */
 
 #ifndef BOX2PULLEYJOINT_H
 #define BOX2PULLEYJOINT_H
 
 #include "box2djoint.h"
 #include <Box2D.h>
 
 class Box2DPulleyJoint : public Box2DJoint
 {
     Q_OBJECT
 
     Q_PROPERTY(QPointF groundAnchorA READ groundAnchorA WRITE setGroundAnchorA NOTIFY groundAnchorAChanged)
     Q_PROPERTY(QPointF groundAnchorB READ groundAnchorB WRITE setGroundAnchorB NOTIFY groundAnchorBChanged)
     Q_PROPERTY(QPointF localAnchorA READ localAnchorA WRITE setLocalAnchorA NOTIFY localAnchorAChanged)
     Q_PROPERTY(QPointF localAnchorB READ localAnchorB WRITE setLocalAnchorB NOTIFY localAnchorBChanged)
     Q_PROPERTY(float lengthA READ lengthA WRITE setLengthA NOTIFY lengthAChanged)
     Q_PROPERTY(float lengthB READ lengthB WRITE setLengthB NOTIFY lengthBChanged)
     Q_PROPERTY(float ratio READ ratio WRITE setRatio NOTIFY ratioChanged)
 
 public:
     explicit Box2DPulleyJoint(QObject *parent = 0);
 
     QPointF groundAnchorA() const;
     void setGroundAnchorA(const QPointF &groundAnchorA);
 
     QPointF groundAnchorB() const;
     void setGroundAnchorB(const QPointF &groundAnchorB);
 
     QPointF localAnchorA() const;
     void setLocalAnchorA(const QPointF &localAnchorA);
 
     QPointF localAnchorB() const;
     void setLocalAnchorB(const QPointF &localAnchorB);
 
     float lengthA() const;
     void setLengthA(float lengthA);
 
     float lengthB() const;
     void setLengthB(float lengthB);
 
     float ratio() const;
     void setRatio(float ratio);
 
     b2PulleyJoint *pulleyJoint() const;
 
     Q_INVOKABLE float getCurrentLengthA() const;
     Q_INVOKABLE float getCurrentLengthB() const;
     Q_INVOKABLE QPointF getReactionForce(float32 inv_dt) const;
     Q_INVOKABLE float getReactionTorque(float32 inv_dt) const;
 
 signals:
     void groundAnchorAChanged();
     void groundAnchorBChanged();
     void localAnchorAChanged();
     void localAnchorBChanged();
     void lengthAChanged();
     void lengthBChanged();
     void ratioChanged();
 
 protected:
     b2Joint *createJoint();
 
 private:
     QPointF m_groundAnchorA;
     QPointF m_groundAnchorB;
     QPointF m_localAnchorA;
     QPointF m_localAnchorB;
     float m_lengthA;
     float m_lengthB;
     float m_ratio;
 
     bool m_defaultLocalAnchorA;
     bool m_defaultLocalAnchorB;
     bool m_defaultLengthA;
     bool m_defaultLengthB;
 };
 
 inline QPointF Box2DPulleyJoint::groundAnchorA() const
 {
     return m_groundAnchorA;
 }
 
 inline QPointF Box2DPulleyJoint::groundAnchorB() const
 {
     return m_groundAnchorB;
 }
 
 inline QPointF Box2DPulleyJoint::localAnchorA() const
 {
     return m_localAnchorA;
 }
 
 inline QPointF Box2DPulleyJoint::localAnchorB() const
 {
     return m_localAnchorB;
 }
 
 inline float Box2DPulleyJoint::lengthA() const
 {
     return m_lengthA;
 }
 
 inline float Box2DPulleyJoint::lengthB() const
 {
     return m_lengthB;
 }
 
 inline float Box2DPulleyJoint::ratio() const
 {
     return m_ratio;
 }
 
 inline b2PulleyJoint *Box2DPulleyJoint::pulleyJoint() const
 {
     return static_cast<b2PulleyJoint*>(joint());
 }
 
 #endif // BOX2PULLEYJOINT_H