hkpRagdollLimitsData.h
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- /*
- *
- * 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_RAGDOLL_LIMITS_H
- #define HK_DYNAMICS2_RAGDOLL_LIMITS_H
- #include <Physics/Dynamics/Constraint/hkpConstraintData.h>
- #include <Physics/ConstraintSolver/Constraint/Atom/hkpConstraintAtom.h>
- class hkpRigidBody;
- extern const hkClass hkpRagdollLimitsDataClass;
- /// It is a version of a hkRagdollConstraint with removed linear constraints.
- /// This constraint is meant to be used with hkConstraintChains. (that
- /// correspond to the ball-and-socket part). Once a chain has been defined,
- /// this constraint can be simply overlayed on top of it to impose additional
- /// angular constraints. When this constraint is used together with
- /// hkpPoweredChainData, care should be taken not to set the target in the
- /// powered chain data to lay outside the limits defined here.
- class hkpRagdollLimitsData : public hkpConstraintData
- {
- public:
- HK_DECLARE_REFLECTION();
- hkpRagdollLimitsData();
- /// Setup a ragdoll constraint based on information in world space
- /// Use the set angle limit methods to add in the extra data.
- void setInWorldSpace(const hkTransform& bodyATransform, const hkTransform& bodyBTransform,
- const hkVector4& twistAxisW, const hkVector4& planeAxisW);
- /// Setup a ragdoll constraint based on information in body space.
- /// Use the set angle limit methods to add in the extra data.
- void setInBodySpace( const hkVector4& planeAxisA, const hkVector4& planeAxisB,
- const hkVector4& twistAxisA, const hkVector4& twistAxisB);
- /// Gets the constraint frame. column 0 = twist axis, 1 = plane, 2 = twist cross plane
- void getConstraintFrameA( hkMatrix3& constraintFrameA ) const;
- /// Gets the constraint frame. column 0 = twist axis, 1 = plane, 2 = twist cross plane
- void getConstraintFrameB( hkMatrix3& constraintFrameB ) const;
- ///Sets the minimum twist limit (in radians).
- inline void setTwistMinAngularLimit(hkReal rad);
- ///Sets the maximum twist limit (in radians).
- inline void setTwistMaxAngularLimit(hkReal rad);
- /// Sets the maximum plane limit (in radians).
- inline void setPlaneMaxAngularLimit(hkReal rad);
- /// Sets the minimum plane limit (in radians).
- inline void setPlaneMinAngularLimit(hkReal rad);
- /// Sets the half angle used to define the cone of possible movement (in radians).
- inline void setConeAngularLimit(hkReal rad);
- /// Enables/disables cone limit stabilization.
- void setConeLimitStabilization(hkBool enable);
- /// Sets the angle used to define the cone of possible movement in terms of
- /// a min and max angle which it bisects and then calls setConeAngularLimit()
- /// and also adjusts the twist axis in body B accordingly.
- /// Angles should be specified in radians.
- inline void setAsymmetricConeAngle(hkReal cone_min, hkReal cone_max );
- /// sets the m_angularLimitsTauFactor. This is a factor in the range between 0 and 1
- /// which controls the stiffness of the angular limits. If you slowly increase
- /// this value from 0 to 1 for a newly created constraint,
- /// you can nicely blend in the limits.
- inline void setAngularLimitsTauFactor( hkReal mag );
-
- /// get the m_angularLimitsTauFactor;
- inline hkReal getAngularLimitsTauFactor() const;
- /// Gets the minimum twist limit (in radians).
- inline hkReal getTwistMinAngularLimit() const;
- /// Gets the maximum twist limit (in radians).
- inline hkReal getTwistMaxAngularLimit() const;
-
- /// Gets the maximum plane limit (in radians).
- inline hkReal getPlaneMaxAngularLimit() const;
- /// Gets the minimum plane limit (in radians).
- inline hkReal getPlaneMinAngularLimit() const;
- /// Gets the cone angle limit (in radians).
- inline hkReal getConeAngularLimit() const;
- /// Gets the state of cone limit stabilization.
- inline hkBool getConeLimitStabilization() const;
- /// Check consistency of constraint
- hkBool isValid() const;
-
- /// Get type from this constraint
- virtual int getType() const;
- protected:
- hkpRagdollLimitsData( hkpRigidBody* rbA, hkpRigidBody* rbB );
- public:
- enum
- {
- SOLVER_RESULT_TWIST = 0, // angular limits defined around m_freeAxisA
- SOLVER_RESULT_CONE = 1, // angular constraint defined by m_constrainedAxis1A
- SOLVER_RESULT_PLANE = 2, // angular constraint defined by m_constrainedAxis2A
- SOLVER_RESULT_MAX = 3 // keep in sync with solver res array below
- };
- struct Runtime
- {
- HK_DECLARE_NONVIRTUAL_CLASS_ALLOCATOR( HK_MEMORY_CLASS_DYNAMICS, hkpRagdollLimitsData::Runtime );
- class hkpSolverResults m_solverResults[3/*VC6 doesn't like the scoping for SOLVER_RESULT_MAX*/];
- /// Soft recovery parameter for the cone limit.
- hkReal m_coneAngleOffset;
- };
- static inline Runtime* HK_CALL getRuntime( hkpConstraintRuntime* runtime ) { return reinterpret_cast<Runtime*>(runtime); }
- // hkpConstraintData interface implementations
- virtual void getConstraintInfo( hkpConstraintData::ConstraintInfo& infoOut ) const;
- // hkpConstraintData interface implementation
- virtual void getRuntimeInfo( hkBool wantRuntime, hkpConstraintData::RuntimeInfo& infoOut ) const;
- public:
- struct Atoms
- {
- HK_DECLARE_NONVIRTUAL_CLASS_ALLOCATOR( HK_MEMORY_CLASS_COLLIDE, hkpRagdollLimitsData::Atoms );
- HK_DECLARE_REFLECTION();
- struct hkpSetLocalRotationsConstraintAtom m_rotations;
- struct hkpTwistLimitConstraintAtom m_twistLimit;
- struct hkpConeLimitConstraintAtom m_coneLimit;
- struct hkpConeLimitConstraintAtom m_planesLimit;
- enum Axis
- {
- AXIS_TWIST = 0,
- AXIS_PLANES = 1,
- AXIS_CROSS_PRODUCT = 2
- };
- Atoms(){}
- // get a pointer to the first atom
- const hkpConstraintAtom* getAtoms() const { return &m_rotations; }
- // get the size of all atoms (we can't use sizeof(*this) because of align16 padding)
- int getSizeOfAllAtoms() const { return hkGetByteOffsetInt(this, &m_planesLimit+1); }
- Atoms(hkFinishLoadedObjectFlag f) : m_rotations(f), m_twistLimit(f), m_coneLimit(f), m_planesLimit(f) {}
- };
- HK_ALIGN16( struct Atoms m_atoms );
- public:
- inline hkpRagdollLimitsData(hkFinishLoadedObjectFlag f);
- };
- //////////////////////////////////
- #include <Physics/Dynamics/Constraint/Chain/RagdollLimits/hkpRagdollLimitsData.inl>
- #endif // HK_DYNAMICS2_RAGDOLL_LIMITS_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.
- *
- */