OSGMatrixUtility.h

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#ifndef _OSGMATRIXUTILITY_H_
#define _OSGMATRIXUTILITY_H_
#ifdef __sgi
#pragma once
#endif

#include <OSGConfig.h>
#include <OSGBase.h>
#include <OSGBaseTypes.h>
#include <OSGVector.h>
#include <OSGMatrix.h>

OSG_BEGIN_NAMESPACE

OSG_BASE_DLLMAPPING bool MatrixOrthogonal        (Matrix &result, 
                                                  Real32  rLeft, 
                                                  Real32  rRight, 
                                                  Real32  rBottom, 
                                                  Real32  rTop, 
                                                  Real32  rNear, 
                                                  Real32  rFar        );

OSG_BASE_DLLMAPPING bool MatrixFrustum           (Matrix &result, 
                                                  Real32  rLeft, 
                                                  Real32  rRight,
                                                  Real32  rBottom, 
                                                  Real32  rTop, 
                                                  Real32  rNear, 
                                                  Real32  rFar        );

OSG_BASE_DLLMAPPING bool MatrixPerspective      (Matrix &result, 
                                                 Real32  rFovy, 
                                                 Real32  rAspect,
                                                 Real32  rNear, 
                                                 Real32  rFar         );

OSG_BASE_DLLMAPPING bool MatrixStereoPerspective(Matrix &projection, 
                                                 Matrix &projtrans, 
                                                 Real32  rFovy, 
                                                 Real32  rAspect, 
                                                 Real32  rNear, 
                                                 Real32  rFfar, 
                                                 Real32  rZeroparallax, 
                                                 Real32  rEyedistance, 
                                                 Real32  rWhicheye, 
                                                 Real32  rOverlap     );

OSG_BASE_DLLMAPPING bool MatrixLookAt           (Matrix &result, 
                                                 Real32  fromx, 
                                                 Real32  fromy, 
                                                 Real32  fromz, 
                                                 Real32  atx,   
                                                 Real32  aty,   
                                                 Real32  atz, 
                                                 Real32  upx,   
                                                 Real32  upy,   
                                                 Real32  upz          );

OSG_BASE_DLLMAPPING bool MatrixLookAt           (Matrix &result, 
                                                 Pnt3f      from,
                                                 Pnt3f  at,
                                                 Vec3f  up            );


OSG_BASE_DLLMAPPING bool MatrixProjection       (Matrix &result, 
                                                 Real32 rLeft,
                                                 Real32 rRight, 
                                                 Real32 rBottom,
                                                 Real32 rTop,  
                                                 Real32 rNear,
                                                 Real32 rFar          );

OSG_END_NAMESPACE

#endif /* _OSGMATRIXUTILITY_H_ */

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