hkpPrismaticConstraintData.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_PRISMATIC_CONSTRAINT_H
- #define HK_DYNAMICS2_PRISMATIC_CONSTRAINT_H
- #include <Physics/Dynamics/Constraint/hkpConstraintData.h>
- #include <Physics/ConstraintSolver/Constraint/Atom/hkpConstraintAtom.h>
- class hkpRigidBody;
- class hkpConstraintMotor;
- extern const hkClass hkpPrismaticConstraintDataClass;
- /// prismatic constraint. free to move along an axis.
- class hkpPrismaticConstraintData : public hkpConstraintData
- {
- public:
- HK_DECLARE_REFLECTION();
- hkpPrismaticConstraintData();
- ~hkpPrismaticConstraintData();
- /// Construct a prismatic constraint with a pivot and axis in world space.
- /// param bodyATransform The attached body transform.
- /// param bodyBTransform The reference body transform.
- /// param pivot The pivot point, specified in world space.
- /// param axis The axis, specified in world space.
- void setInWorldSpace(const hkTransform& bodyATransform, const hkTransform& bodyBTransform,
- const hkVector4& pivot,const hkVector4& axis);
- /// Construct a prismatic constraint with a pivot and axis in the two body spaces.
- /// param pivotA The pivot point, specified in bodyA space.
- /// param pivotB The pivot point, specified in bodyB space.
- /// param axisA The axis, specified in bodyA space.
- /// param axisB The axis, specified in bodyB space.
- void setInBodySpace( const hkVector4& pivotA, const hkVector4& pivotB,
- const hkVector4& axisA, const hkVector4& axisB,
- const hkVector4& axisAPerp, const hkVector4& axisBPerp);
- // Methods to set and get limits and friction
- ///Sets the maximum limit for the attached body's movement along the axis.
- inline void setMaxLinearLimit(hkReal mmax);
- ///Sets the minimum limit for the attached body's movement along the axis.
- inline void setMinLinearLimit(hkReal mmin);
- ///Sets the friction value.
- inline void setMaxFrictionForce(hkReal mag);
- ///Gets the maximum limit for the attached body's movement along the axis.
- inline hkReal getMaxLinearLimit() const;
- ///Gets the minimum limit for the attached body's movement along the axis.
- inline hkReal getMinLinearLimit() const;
- ///Gets the friction value.
- inline hkReal getMaxFrictionForce() const;
- /// Set the motor. Setting this to null will disable any motor computations.
- /// increments reference of new motor, decrements counter of replaced motor ( if any )
- void setMotor( hkpConstraintMotor* motor );
- /// get the motor.
- inline hkpConstraintMotor* getMotor() const;
- /// Sets the target position for the motor. Only used by motors which use positions
- inline void setMotorTargetPosition( hkReal position );
- /// Gets the target angle for the motor
- inline hkReal getMotorTargetPosition();
- /// turn the motor on or off
- void setMotorActive( hkpConstraintInstance* instance, hkBool toBeEnabled );
- /// Check consistency of constraint members
- hkBool isValid() const;
- /// Get type from this constraint
- virtual int getType() const;
- enum
- {
- SOLVER_RESULT_MOTOR = 0, // the motor
- SOLVER_RESULT_FRICTION = 1, // the friction
- SOLVER_RESULT_ANG_0 = 2, // angular constraint 0
- SOLVER_RESULT_ANG_1 = 3, // angular constraint 1
- SOLVER_RESULT_ANG_2 = 4, // angular constraint 2
- SOLVER_RESULT_LIN_0 = 5, // linear constraint defined by m_constrainedAxis1B
- SOLVER_RESULT_LIN_1 = 6, // linear constraint defined by m_constrainedAxis2B
- SOLVER_RESULT_LIMIT = 7, // for limits
- SOLVER_RESULT_MAX = 8 // keep in sync with solver res array below
- };
- struct Runtime
- {
- HK_DECLARE_NONVIRTUAL_CLASS_ALLOCATOR( HK_MEMORY_CLASS_DYNAMICS, hkpPrismaticConstraintData::Runtime );
- class hkpSolverResults m_solverResults[8/*VC6 doesn't like the scoping for SOLVER_RESULT_MAX*/];
- // To tell whether the previous position has been initialized.
- hkUint8 m_initialized;
- // The previous target position
- hkReal m_previousTargetPosition;
- };
- static inline Runtime* HK_CALL getRuntime( hkpConstraintRuntime* runtime ) { return reinterpret_cast<Runtime*>(runtime); }
- struct Atoms
- {
- HK_DECLARE_NONVIRTUAL_CLASS_ALLOCATOR( HK_MEMORY_CLASS_DYNAMICS, hkpPrismaticConstraintData::Atoms );
- HK_DECLARE_REFLECTION();
- enum Axis
- {
- AXIS_SHAFT = 0,
- AXIS_PERP_TO_SHAFT = 1
- };
- struct hkpSetLocalTransformsConstraintAtom m_transforms;
- struct hkpLinMotorConstraintAtom m_motor;
- struct hkpLinFrictionConstraintAtom m_friction;
- struct hkpAngConstraintAtom m_ang;
- struct hkpLinConstraintAtom m_lin0;
- struct hkpLinConstraintAtom m_lin1;
- struct hkpLinLimitConstraintAtom m_linLimit;
- Atoms(){}
- // get a pointer to the first atom
- const hkpConstraintAtom* getAtoms() const { return &m_transforms; }
- // get the size of all atoms (we can't use sizeof(*this) because of align16 padding)
- int getSizeOfAllAtoms() const { return hkGetByteOffsetInt(this, &m_linLimit+1); }
- Atoms(hkFinishLoadedObjectFlag f) : m_transforms(f), m_motor(f), m_friction(f), m_ang(f), m_lin0(f), m_lin1(f), m_linLimit(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:
- hkpPrismaticConstraintData(hkFinishLoadedObjectFlag f) : hkpConstraintData(f), m_atoms(f) {}
- };
- #include <Physics/Dynamics/Constraint/Bilateral/Prismatic/hkpPrismaticConstraintData.inl>
- #endif // HK_DYNAMICS2_PRISMATIC_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.
- *
- */