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engines/hpl1/engine/libraries/newton/physics/dgSlidingConstraint.h

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+/* Copyright (c) <2003-2011> <Julio Jerez, Newton Game Dynamics>
+*
+* 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.
+*/
+
+#if !defined(AFX_DGSLIDINGCONSTRAINT_H__3FF7D7AA_90CC_4BA5_B2A4_D3BA51AD2FFD__INCLUDED_)
+#define AFX_DGSLIDINGCONSTRAINT_H__3FF7D7AA_90CC_4BA5_B2A4_D3BA51AD2FFD__INCLUDED_
+#include "dgBilateralConstraint.h"
+
+//template<class T> class dgPool;
+
+class dgSlidingConstraint;
+typedef dgUnsigned32(dgApi *dgSlidingJointAcceleration)(const NewtonJoint *const slider, NewtonHingeSliderUpdateDesc *const desc);
+
+class dgSlidingConstraint: public dgBilateralConstraint {
+public:
+	dgFloat32 GetJointPosit() const;
+	dgFloat32 GetJointVeloc() const;
+	dgVector GetJointForce() const;
+	dgFloat32 CalculateStopAccel(dgFloat32 distance, const dgJointCallBackParam *param) const;
+	void SetJointParameterCallBack(dgSlidingJointAcceleration callback);
+
+private:
+	dgSlidingConstraint();
+	virtual ~dgSlidingConstraint();
+//	virtual void Remove(dgWorld* world);
+
+	virtual dgUnsigned32 JacobianDerivative(dgContraintDescritor &params);
+//	static dgSlidingConstraint* Create(dgWorld* world);
+
+
+	dgFloat32 m_posit;
+	dgSlidingJointAcceleration m_jointAccelFnt;
+
+//#ifdef __USE_DOUBLE_PRECISION__
+//	dgUnsigned32 m_reserve[1];
+//#else
+//	dgUnsigned32 m_reserve[2];
+//#endif
+
+	friend class dgWorld;
+//	friend class dgPool<dgSlidingConstraint>;
+};
+
+/*
+class dgSlidingConstraintArray: public dgPoolContainer<dgSlidingConstraint>
+{
+};
+*/
+
+#endif // !defined(AFX_DGSLIDINGCONSTRAINT_H__3FF7D7AA_90CC_4BA5_B2A4_D3BA51AD2FFD__INCLUDED_)
+