hkpAabbUtil.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_COLLIDE2_AABB_UTIL_H
- #define HK_COLLIDE2_AABB_UTIL_H
- #include <Common/Base/Types/Physics/MotionState/hkMotionState.h> // needed for .inl file
- class hkAabb;
- class hkTransform;
- class hkVector4;
- /// A utility class for creating AABBs that contain various geometric objects.
- class hkpAabbUtil
- {
- public:
- //
- // Non-continuous aabb calculations
- //
- /// Calculates an AABB from an array of vertices.
- static void HK_CALL calcAabb( const float* vertexArray, int numVertices, int striding, hkAabb& aabbOut );
- /// Calculates an AABB from an array of hkVector4.
- static void HK_CALL calcAabb( const hkVector4* vertexArray, int numVertices, hkAabb& aabbOut );
- /// Calculates an AABB from an OBB specified by a transform, a center, and an halfExtents vector and an extra radius
- static inline void HK_CALL calcAabb( const hkTransform& BvToWorld, const hkVector4& halfExtents, const hkVector4& center, float extraRadius, hkAabb& aabbOut);
- /// Calculates an AABB from an OBB specified by a transform, and an halfExtents vector.
- static inline void HK_CALL calcAabb( const hkTransform& BvToWorld, const hkVector4& halfExtents, float extraRadius, hkAabb& aabbOut);
- public:
- //
- // Continuous aabb calculations
- //
- struct OffsetAabbInput
- {
- HK_DECLARE_NONVIRTUAL_CLASS_ALLOCATOR( HK_MEMORY_CLASS_COLLIDE, hkpAabbUtil::OffsetAabbInput );
- hkPadSpu<const hkMotionState*> m_motionState;
- // intermediate transforms
- hkTransform m_transforms[4];
- hkPadSpu<int> m_numTransforms;
- // start-end transforms
- hkTransform m_startTransform;
- hkTransform m_endTransformInv;
- };
- /// Sweep a discrete aabb and convert it into a 'continuous' swept aabb
- HK_FORCE_INLINE static void HK_CALL sweepAabb(const hkMotionState* motionstate, hkReal tolerance, const hkAabb& aabbIn, hkAabb& aabbOut);
- /// Calculate OffsetAabbInput
- static void HK_CALL initOffsetAabbInput(const hkMotionState* motionstate, OffsetAabbInput& input);
- /// Sweep a discrete aabb which has a huge offset from the mass center and convert it into a 'continuous' swept aabb
- static void HK_CALL sweepOffsetAabb(const OffsetAabbInput& input, const hkAabb& aabbIn, hkAabb& aabbOut);
- };
- #include <Physics/Collide/Util/hkpAabbUtil.inl>
- #endif // HK_COLLIDE2_AABB_UTIL_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.
- *
- */