44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
//
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// Autor: Matthias Huether (huether@dfki.uni-sb.de)
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//
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//
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// Beschreibung: Funktionen fuer das Rechnen mit Transformationsmatrizen
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//
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// ergaenzendes Modul: matrix.cc
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// letzte Änderung 01.09.199, Jens Ahrensfeld
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#ifndef MATRIX_H
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#define MATRIX_H
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#include "ri.h"
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extern void PrintMatrix(RtMatrix,short);
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extern void PrintVector(RtFloat*,short);
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extern RtFloat ScalarProduct(RtFloat*,RtFloat*,short);
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extern RtFloat Norm(RtFloat*,short);
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extern RtFloat AngleBetweenVectors(RtFloat*,RtFloat*,short);
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extern void IdentityMatrix(RtMatrix*);
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extern void MultiplyMatrices(RtMatrix,RtMatrix,RtMatrix*);
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extern void MultiplyMatrixVector(RtMatrix,RtFloat*,RtFloat*);
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extern void MultiplyMatrixVector2(RtMatrix M, RtFloat *u, RtFloat *Mu);
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extern void MultiplyVectorMatrix(RtFloat*,RtMatrix,RtFloat*);
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extern void TransposeMatrix(RtMatrix,RtMatrix*);
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extern void NewTranslationMatrix(RtFloat*,RtMatrix*);
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extern void RotationMatrix(RtMatrix,RtMatrix*,short);
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extern void TranslationMatrix(RtMatrix,RtMatrix*);
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extern void InverseRotationMatrix(RtMatrix,RtMatrix*);
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extern void InverseTranslationMatrix(RtMatrix,RtMatrix*);
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extern void InverseMatrix(RtMatrix,RtMatrix*);
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extern void BuildTransformationMatrix(RtFloat*,RtFloat*,RtFloat,RtMatrix*);
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// added 01.09.1999
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extern void AimCamera(RtFloat*,RtFloat*,RtFloat,RtMatrix*);
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void PointCopy(RtFloat *pDst, RtFloat *pSrc);
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void PointSwapXY(RtFloat *pSrcDst);
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void PointSwapXZ(RtFloat *pSrcDst);
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void PointSwapYZ(RtFloat *pSrcDst);
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#endif
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