#include <OsgMatrixUtil.h>

Collaboration diagram for OsgAnimatSim::OsgMatrixUtil:

Public Member Functions
virtual CStdFPoint	EulerRotationFromMatrix (osg::Matrix osgMT)

virtual osg::Matrix	SetupMatrix (CStdFPoint &localPos, CStdFPoint &localRot)

Static Public Member Functions
static float	ClampUnity (float x)
	clamps a float from -1 to 1

static CStdFPoint	EulerRotationFromMatrix_Static (osg::Matrix osgMT)

static osg::Vec3	GetRow3 (const osg::Matrix &matrix, int row)

static osg::Vec4	GetRow4 (const osg::Matrix &matrix, int row)

static void	HprToMatrix (osg::Matrix &rotation, const osg::Vec3 &hpr)

static void	MatrixToHpr (osg::Vec3 &hpr, const osg::Matrix &rotation)

static void	MatrixToHprAndPosition (osg::Vec3 &xyz, osg::Vec3 &hpr, const osg::Matrix &rotation)

static void	MatrixToHprRad (osg::Vec3 &hpr, const osg::Matrix &rotation)

static void	PositionAndHprRadToMatrix (osg::Matrix &rotation, const osg::Vec3 &xyz, const osg::Vec3 &hpr)

static void	PositionAndHprToMatrix (osg::Matrix &rotation, const osg::Vec3 &xyz, const osg::Vec3 &hpr)

static void	Print (const osg::Matrix &matrix)
	Prints a matrix.

static void	Print (const osg::Vec3 &vec)
	Prints a vector.

static void	Print (const osg::Vec4 &vec)
	Prints a vector.

static void	SetRow (osg::Matrix &matrix, const osg::Vec3 &vec, int row)

static void	SetRow (osg::Matrix &matrix, const osg::Vec4 &vec, int row)

static void	TransformVec3 (osg::Vec3 &xyz, const osg::Matrix &transformMat)

static void	TransformVec3 (osg::Vec3 &vec_in, const osg::Vec3 &xyz, const osg::Matrix &transformMat)

static void	Transpose (osg::Matrix &dest, const osg::Matrix &src)
	transposes a matrix

Detailed Description

OsgMatrixUtil is a utility class for operating on an osg::Matrix

Definition at line 34 of file OsgMatrixUtil.h.

Member Function Documentation

void OsgAnimatSim::OsgMatrixUtil::HprToMatrix	(	osg::Matrix &	rotation,
		const osg::Vec3 &	hpr
	)

static

Translates Euler angles Heading, pitch, and roll to an osg::Matrix

Parameters

rotation	the matrix whose rotation will be filled
hpr	the current Heading, pitch, roll to translate to a matrix (values are in degrees)

Todo:: find a preprocessor way to assign this constant different for the different precision types.

Definition at line 84 of file OsgMatrixUtil.cpp.

Referenced by PositionAndHprToMatrix().

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void OsgAnimatSim::OsgMatrixUtil::MatrixToHpr	(	osg::Vec3 &	hpr,
		const osg::Matrix &	rotation
	)

static

Translates the rotation part of an osg::Matrix to Euler Angles

Parameters

hpr	the vector to fill with the Euler Angles
rotation	the current rotation matrix

Definition at line 186 of file OsgMatrixUtil.cpp.

References ClampUnity().

Referenced by MatrixToHprAndPosition(), and MatrixToHprRad().

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void OsgAnimatSim::OsgMatrixUtil::MatrixToHprAndPosition	(	osg::Vec3 &	xyz,
		osg::Vec3 &	hpr,
		const osg::Matrix &	rotation
	)

static

Translates the rotation part of an osg::Matrix to Euler Angles As well as the translation to a vector

Parameters

xyz	the vector to fill with the translation part of the matrix
hpr	the vector to fill with the Euler Angles
rotation	the current rotation matrix

Definition at line 272 of file OsgMatrixUtil.cpp.

References MatrixToHpr().

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void OsgAnimatSim::OsgMatrixUtil::MatrixToHprRad	(	osg::Vec3 &	hpr,
		const osg::Matrix &	rotation
	)

static

Translates the rotation part of an osg::Matrix to Euler Angles

Parameters

hpr	the vector to fill with the Euler Angles
rotation	the current rotation matrix in radians

Definition at line 178 of file OsgMatrixUtil.cpp.

References MatrixToHpr().

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void OsgAnimatSim::OsgMatrixUtil::PositionAndHprToMatrix	(	osg::Matrix &	rotation,
		const osg::Vec3 &	xyz,
		const osg::Vec3 &	hpr
	)

static

Translates Euler angles Heading, pitch, and roll to an osg::Matrix in addition fills in the translation of the matrix

Parameters

rotation	the matrix whose rotation will be filled
xyz	the translation to be added to the matrix
hpr	the current Heading, pitch, roll to translate to a matrix

Definition at line 169 of file OsgMatrixUtil.cpp.

References HprToMatrix().

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void OsgAnimatSim::OsgMatrixUtil::TransformVec3	(	osg::Vec3 &	xyz,
		const osg::Matrix &	transformMat
	)

static

This function transforms a point by a 4x4 matrix and stores the result back in the point

Parameters

xyz	the vector which will be transformed and have the result stored back in to
transformMat	the 4x4 matrix which will be used to rotate and translate the point

Definition at line 281 of file OsgMatrixUtil.cpp.

void OsgAnimatSim::OsgMatrixUtil::TransformVec3	(	osg::Vec3 &	vec_in,
		const osg::Vec3 &	xyz,
		const osg::Matrix &	transformMat
	)

static

This function transforms a point by a 4x4 matrix and stores the result into another vector

Parameters

vec_in	the vector to store the result of the transform
xyz	the vector which will be transformed
transformMat	the 4x4 matrix which will be used to rotate and translate the point

Definition at line 287 of file OsgMatrixUtil.cpp.

The documentation for this class was generated from the following files:

Public Member Functions

Static Public Member Functions

Detailed Description

Member Function Documentation