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#pragma once
#if ENABLE_2D_PHYSICS || DOXYGEN
#include "Runtime/Math/Vector2.h"
#include "Runtime/Physics2D/Joint2D.h"
class Vector2f;
// --------------------------------------------------------------------------
class SpringJoint2D : public Joint2D
{
public:
REGISTER_DERIVED_CLASS (SpringJoint2D, Joint2D)
DECLARE_OBJECT_SERIALIZE (SpringJoint2D)
SpringJoint2D (MemLabelId label, ObjectCreationMode mode);
// virtual ~SpringJoint2D (); declared-by-macro
virtual void CheckConsistency();
virtual void Reset ();
Vector2f GetAnchor () const { return m_Anchor; }
virtual void SetAnchor (const Vector2f& anchor);
Vector2f GetConnectedAnchor () const { return m_ConnectedAnchor; }
virtual void SetConnectedAnchor (const Vector2f& anchor);
void SetDistance (float distance);
float GetDistance () const { return m_Distance; }
void SetDampingRatio (float ratio);
float GetDampingRatio () const { return m_DampingRatio; }
void SetFrequency (float frequency);
float GetFrequency () const { return m_Frequency; }
protected:
virtual void Create ();
void AutoCalculateDistance ();
protected:
float m_Distance; ///< The distance which the joint should attempt to maintain between attached bodies. range { 0.005, 1000000 }
float m_DampingRatio; ///< The damping ratio for the oscillation whilst trying to achieve the specified distance. 0 means no damping. 1 means critical damping. range { 0.0, 1.0 }
float m_Frequency; ///< The frequency in Hertz for the oscillation whilst trying to achieve the specified distance. range { 0.0, 1000000 }
Vector2f m_Anchor; ///< The local-space anchor from the base rigid-body.
Vector2f m_ConnectedAnchor; ///< The local-space anchor from the connected rigid-body.
};
#endif
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