hkBarycentricVertexInterpolator.h
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上传日期:2020-08-09
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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_BARYCENTRIC_VERTEX_INTERPOLATOR_H
- #define HK_BARYCENTRIC_VERTEX_INTERPOLATOR_H
- #include <Common/GeometryUtilities/Mesh/hkMeshVertexBuffer.h>
- class hkBarycentricVertexInterpolator
- {
- public:
- HK_DECLARE_NONVIRTUAL_CLASS_ALLOCATOR( HK_MEMORY_CLASS_DESTRUCTION, hkBarycentricVertexInterpolator );
- /// Ctor
- hkBarycentricVertexInterpolator();
- /// Call before anything is calculated. Returns
- void start(const hkMeshVertexBuffer::LockedVertices& srcLockedVertices, const hkMatrix4& objectToWorld, hkBool isInverted);
- /// Call when processing has finished
- void end();
- /// Set up a support - must be called before any vertex interpolations are calculated with calculateVertex
- void setSupport(int v0, int v1, int v2);
- /// Calculate a destination vertex from the vertex postion
- void calculateVertex(const hkVector4& vertexPosition, const hkMeshVertexBuffer::LockedVertices& dstVertex);
- /// Calculate the vertex data from the barycentric coordinates. If vertexPosition is HK_NULL it will interpolated for the output
- /// else it will just be copied
- void calculateVertex(const hkVector4* vertexPosition, hkPadSpu<hkReal> lambda[3], const hkMeshVertexBuffer::LockedVertices& dstVertex);
- /// Copy a vertex taking into account transform, inversion etc
- void copyVertex(int vertexIndex, const hkMeshVertexBuffer::LockedVertices& dstVertex);
- /// Calculate barycentric coordinates
- static void HK_CALL calcBarycentricCoordinates(hkVector4Parameter pos, hkVector4Parameter t0, hkVector4Parameter t1, hkVector4Parameter t2, hkPadSpu<hkReal> result[3]);
- protected:
- hkBool m_isStarted;
- hkMeshVertexBuffer::LockedVertices m_srcLockedVertices;
- hkMeshVertexBuffer::LockedVertices::Buffer m_srcPositionBuffer;
- hkVector4 m_supportPositions[3];
- int m_supportIndices[3];
- hkMatrix4 m_objectToWorld;
- hkMatrix4 m_worldToObject;
- hkBool m_isInverted;
- };
- #endif // HK_BARYCENTRIC_VERTEX_INTERPOLATOR_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.
- *
- */