hkpStiffSpringConstraintData.h
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其他游戏
开发平台:
Visual C++
- /*
- *
- * Confidential Information of Telekinesys Research Limited (t/a Havok). Not for disclosure or distribution without Havok's
- * prior written consent. This software contains code, techniques and know-how which is confidential and proprietary to Havok.
- * Level 2 and Level 3 source code contains trade secrets of Havok. Havok Software (C) Copyright 1999-2009 Telekinesys Research Limited t/a Havok. All Rights Reserved. Use of this software is subject to the terms of an end user license agreement.
- *
- */
- #ifndef HK_DYNAMICS2_STIFF_SPRING_CONSTRAINT_H
- #define HK_DYNAMICS2_STIFF_SPRING_CONSTRAINT_H
- #include <Physics/ConstraintSolver/Solve/hkpSolverResults.h>
- #include <Physics/Dynamics/Constraint/hkpConstraintData.h>
- #include <Physics/ConstraintSolver/Constraint/Atom/hkpConstraintAtom.h>
- extern const hkClass hkpStiffSpringConstraintDataClass;
- /// A stiff spring constraint. It holds the constrained bodies apart at a specified distance,
- /// as if they were attached at each end of an invisible rod.
- class hkpStiffSpringConstraintData : public hkpConstraintData
- {
- public:
- HK_DECLARE_REFLECTION();
- hkpStiffSpringConstraintData();
- /// Sets the spring up with world space information.
- /// Will compute a rest length too (so call setlength after this if needed)
- /// param pivotA bodyA's pivot point, specified in world space.
- /// param pivotB bodyB's pivot point, specified in world space.
- inline void setInWorldSpace(const hkTransform& bodyATransform, const hkTransform& bodyBTransform,
- const hkVector4& pivotAW, const hkVector4& pivotBW);
- /// Sets the spring up with body space information.
- /// param pivotA bodyA's pivot point, specified in bodyA's space.
- /// param pivotB bodyB's pivot point, specified in bodyB's space.
- /// param restLength The length of the stiff spring when at rest
- inline void setInBodySpace(const hkVector4& pivotA, const hkVector4& pivotB, hkReal restLength);
- /// Gets the length of the stiff spring.
- inline hkReal getSpringLength() const;
- /// Sets the length of the stiff spring when at rest.
- inline void setSpringLength( hkReal length );
- /// Check consistency of constraint.
- hkBool isValid() const;
- /// Get type from this constraint.
- virtual int getType() const;
- public:
- enum
- {
- SOLVER_RESULT_LIN_0 = 0, // linear constraint
- SOLVER_RESULT_MAX = 1
- };
- struct Runtime
- {
- HK_DECLARE_NONVIRTUAL_CLASS_ALLOCATOR( HK_MEMORY_CLASS_DYNAMICS, hkpStiffSpringConstraintData::Runtime );
- class hkpSolverResults m_solverResults[1/*VC6 doesn't like the scoping for SOLVER_RESULT_MAX*/];
- };
- inline const Runtime* getRuntime( hkpConstraintRuntime* runtime ){ return reinterpret_cast<Runtime*>(runtime); }
- struct Atoms
- {
- HK_DECLARE_NONVIRTUAL_CLASS_ALLOCATOR( HK_MEMORY_CLASS_DYNAMICS, hkpStiffSpringConstraintData::Atoms );
- HK_DECLARE_REFLECTION();
- struct hkpSetLocalTranslationsConstraintAtom m_pivots;
- struct hkpStiffSpringConstraintAtom m_spring;
- Atoms(){}
- // get a pointer to the first atom
- const hkpConstraintAtom* getAtoms() const { return &m_pivots; }
- // get the size of all atoms (we can't use sizeof(*this) because of align16 padding)
- int getSizeOfAllAtoms() const { return hkGetByteOffsetInt(this, &m_spring+1); }
- Atoms(hkFinishLoadedObjectFlag f) : m_pivots(f), m_spring(f) {}
- };
- HK_ALIGN16( struct Atoms m_atoms );
- public:
- // Internal functions
- // hkpConstraintData interface implementations
- virtual void getConstraintInfo( ConstraintInfo& infoOut ) const;
- // hkpConstraintData interface implementations
- virtual void getRuntimeInfo( hkBool wantRuntime, hkpConstraintData::RuntimeInfo& infoOut ) const;
- public:
- hkpStiffSpringConstraintData(hkFinishLoadedObjectFlag f) : hkpConstraintData(f), m_atoms(f) {}
- };
- #include <Physics/Dynamics/Constraint/Bilateral/StiffSpring/hkpStiffSpringConstraintData.inl>
- #endif // HK_DYNAMICS2_STIFF_SPRING_CONSTRAINT_H
- /*
- * Havok SDK - NO SOURCE PC DOWNLOAD, BUILD(#20090216)
- *
- * Confidential Information of Havok. (C) Copyright 1999-2009
- * Telekinesys Research Limited t/a Havok. All Rights Reserved. The Havok
- * Logo, and the Havok buzzsaw logo are trademarks of Havok. Title, ownership
- * rights, and intellectual property rights in the Havok software remain in
- * Havok and/or its suppliers.
- *
- * Use of this software for evaluation purposes is subject to and indicates
- * acceptance of the End User licence Agreement for this product. A copy of
- * the license is included with this software and is also available at www.havok.com/tryhavok.
- *
- */