vhdMatrix4 Class Reference

#include <vhdMatrix4.h>

List of all members.

Public Member Functions
	vhdMatrix4 ()
	vhdMatrix4 (const vhtReal *pm)
	vhdMatrix4 (vhtReal m00, vhtReal m01, vhtReal m02, vhtReal m03, vhtReal m10, vhtReal m11, vhtReal m12, vhtReal m13, vhtReal m20, vhtReal m21, vhtReal m22, vhtReal m23, vhtReal m30, vhtReal m31, vhtReal m32, vhtReal m33)
	vhdMatrix4 (const vhdMatrix3 &m)
vhtReal	get (unsigned int row, unsigned int column) const
void	set (unsigned int row, unsigned int column, vhtReal value)
vhtReal *	operator[] (int iRow) const
const vhtReal *const	operator[] (unsigned iRow) const
	operator vhtReal * ()
vhdMatrix4	operator * (const vhdMatrix4 &m2) const
vhdMatrix4	operator+ (const vhdMatrix4 &m2) const
vhdMatrix4	operator- (const vhdMatrix4 &m2) const
bool	operator== (const vhdMatrix4 &m2) const
bool	operator!= (const vhdMatrix4 &m2) const
void	operator= (const vhdMatrix3 &mat3)
vhdMatrix4	operator *= (const vhdMatrix4 &m2)
vhdMatrix4	operator+= (const vhdMatrix4 &m2)
vhdMatrix4	operator-= (const vhdMatrix4 &m2)
vhdMatrix4	transpose (void)
vhdMatrix4 &	setIdentity ()
vhdMatrix4 &	setZero ()
bool	isTrueIdentity () const
bool	isTrueZero () const
bool	isIdentity () const
bool	isZero () const
void	setTrans (const vhdVector3 &v)
void	makeTrans (const vhdVector3 &v)
void	makeTrans (vhtReal tx, vhtReal ty, vhtReal tz)
void	setScale (const vhdVector3 &v)
void	extract3x3Matrix (vhdMatrix3 &m3x3)
const vhtReal *	getMatrix4 () const
vhdMatrix4 &	setView (const vhdVector3 &eye, const vhdVector3 &lookAt, const vhdVector3 &up)
vhdMatrix4 &	setPerspectiveProj (vhtReal left, vhtReal right, vhtReal bottom, vhtReal top, vhtReal znear, vhtReal zfar)
vhdMatrix4 &	setPerspectiveProj (vhtReal width, vhtReal height, vhtReal znear, vhtReal zfar)
vhdMatrix4 &	setPerspectiveProjFov (vhtReal verticalFov, vhtReal aspectRatio, vhtReal znear, vhtReal zfar)
vhdMatrix4 &	setOrthoProj (vhtReal left, vhtReal top, vhtReal right, vhtReal bottom, vhtReal znear, vhtReal zfar)
vhdMatrix4 &	setOrthoProj (vhtReal width, vhtReal height, vhtReal znear, vhtReal zfar)
vhdVector4	operator * (const vhdVector4 &v) const
bool	logOf (const vhdMatrix4 &matrix)
bool	expOf (const vhdMatrix4 &matrix)
void	scale (const float s)
float	normInfinity (void) const
void	mult (const vhdMatrix4 &m2)
void	multLeft (const vhdMatrix4 &m1)
void	addScaled (const vhdMatrix4 &matrix, float s)
bool	invertFrom (const vhdMatrix4 &matrix)
bool	inverse (vhdMatrix4 &result) const
void	negate (void)
float	det (void) const
vhdVector3	operator * (const vhdVector3 &v) const
Static Public Member Functions
static vhdMatrix4	getTrans (const vhdVector3 &v)
static vhdMatrix4	getTrans (vhtReal t_x, vhtReal t_y, vhtReal t_z)
static vhdMatrix4	getScale (const vhdVector3 &v)
static vhdMatrix4	getScale (vhtReal s_x, vhtReal s_y, vhtReal s_z)
static vhdMatrix4	rotation (const vhdVector3 &axis, vhtReal angle)
Public Attributes
union {
vhtReal   m [4][4]
vhtReal   _m [16]
};
Static Public Attributes
static const vhdMatrix4	ZERO
static const vhdMatrix4	IDENTITY
Private Member Functions
bool	sqrt (void)
Friends
std::ostream &	operator<< (std::ostream &o, const vhdMatrix4 &m)

---

Constructor & Destructor Documentation

vhdMatrix4::vhdMatrix4

(

)

[inline]

vhdMatrix4::vhdMatrix4

(

const vhtReal *

pm

)

[inline]

Constructor for a 16-element array of vhtReals.

vhdMatrix4::vhdMatrix4	(	vhtReal	m00,
		vhtReal	m01,
		vhtReal	m02,
		vhtReal	m03,
		vhtReal	m10,
		vhtReal	m11,
		vhtReal	m12,
		vhtReal	m13,
		vhtReal	m20,
		vhtReal	m21,
		vhtReal	m22,
		vhtReal	m23,
		vhtReal	m30,
		vhtReal	m31,
		vhtReal	m32,
		vhtReal	m33
	)			[inline]

vhdMatrix4::vhdMatrix4

(

const vhdMatrix3 &

m

)

[inline]

Constructor for a 3x3 matrix. The last row and column of the 4x4 matrix are set to 0, except for the component in row 3, column 3 which will be set to 1.

---

Member Function Documentation

vhtReal vhdMatrix4::get	(	unsigned int	row,
		unsigned int	column
	)			const [inline]

Returns a value of this matrix specified by the given row and column index.

void vhdMatrix4::set	(	unsigned int	row,
		unsigned int	column,
		vhtReal	value
	)			[inline]

Sets a value of this matrix specified by the given row and column index.

vhtReal * vhdMatrix4::operator[]

(

int

iRow

)

const [inline]

Cast operator for const vhtReal*.

const vhtReal *const vhdMatrix4::operator[]

(

unsigned

iRow

)

const [inline]

vhdMatrix4::operator vhtReal *

(

)

[inline]

Cast operator for vhtReal*.

vhdMatrix4 vhdMatrix4::operator *

(

const vhdMatrix4 &

m2

)

const [inline]

vhdMatrix4 vhdMatrix4::operator+

(

const vhdMatrix4 &

m2

)

const [inline]

Matrix addition.

vhdMatrix4 vhdMatrix4::operator-

(

const vhdMatrix4 &

m2

)

const [inline]

Matrix subtraction.

bool vhdMatrix4::operator==

(

const vhdMatrix4 &

m2

)

const [inline]

Tests 2 matrices for equality.

bool vhdMatrix4::operator!=

(

const vhdMatrix4 &

m2

)

const [inline]

Tests 2 matrices for inequality.

void vhdMatrix4::operator=

(

const vhdMatrix3 &

mat3

)

[inline]

Assignment from 3x3 matrix.

vhdMatrix4 vhdMatrix4::operator *=

(

const vhdMatrix4 &

m2

)

[inline]

vhdMatrix4 vhdMatrix4::operator+=

(

const vhdMatrix4 &

m2

)

[inline]

vhdMatrix4 vhdMatrix4::operator-=

(

const vhdMatrix4 &

m2

)

[inline]

vhdMatrix4 vhdMatrix4::transpose

(

void

)

[inline]

vhdMatrix4 & vhdMatrix4::setIdentity

(

)

[inline]

Sets this matrix to the identity matrix.

vhdMatrix4 & vhdMatrix4::setZero

(

)

[inline]

Sets all components of this matrix to zero.

bool vhdMatrix4::isTrueIdentity

(

)

const [inline]

Returns true if this matrix is truely the identity. That is, all components MUST be exactly either 0.0 or 1.0. Floating-point imprecision is not taken into consideration.

bool vhdMatrix4::isTrueZero

(

)

const [inline]

Returns true if all components of this matrix are truely zero. That is, all components MUST be exactly 0.0. Floating-point imprecision is not taken into consideration.

bool vhdMatrix4::isIdentity

(

)

const [inline]

Returns true if this matrix is the identity or within the epsilon environment of the identity.

bool vhdMatrix4::isZero

(

)

const [inline]

Returns true if this matrix is all zero (all elements < epsilon).

void vhdMatrix4::setTrans

(

const vhdVector3 &

v

)

[inline]

Sets the translation transformation part of the matrix.

void vhdMatrix4::makeTrans

(

const vhdVector3 &

v

)

[inline]

Builds a translation matrix

void vhdMatrix4::makeTrans	(	vhtReal	tx,
		vhtReal	ty,
		vhtReal	tz
	)			[inline]

vhdMatrix4 vhdMatrix4::getTrans

(

const vhdVector3 &

v

)

[inline, static]

Gets a translation matrix.

vhdMatrix4 vhdMatrix4::getTrans	(	vhtReal	t_x,
		vhtReal	t_y,
		vhtReal	t_z
	)			[inline, static]

Gets a translation matrix - variation for not using a vhdVector.

void vhdMatrix4::setScale

(

const vhdVector3 &

v

)

[inline]

Sets the scale part of the matrix.

vhdMatrix4 vhdMatrix4::getScale

(

const vhdVector3 &

v

)

[inline, static]

Gets a scale matrix.

vhdMatrix4 vhdMatrix4::getScale	(	vhtReal	s_x,
		vhtReal	s_y,
		vhtReal	s_z
	)			[inline, static]

Gets a scale matrix - variation for not using a vhdVector.

void vhdMatrix4::extract3x3Matrix

(

vhdMatrix3 &

m3x3

)

[inline]

Extracts the rotation / scaling part of the Matrix as a 3x3 matrix.

Parameters:

m3x3

Destination vhdMatrix3

const vhtReal * vhdMatrix4::getMatrix4

(

)

const [inline]

static vhdMatrix4 vhdMatrix4::rotation	(	const vhdVector3 &	axis,
		vhtReal	angle
	)			[static]

vhdMatrix4& vhdMatrix4::setView	(	const vhdVector3 &	eye,
		const vhdVector3 &	lookAt,
		const vhdVector3 &	up
	)

vhdMatrix4& vhdMatrix4::setPerspectiveProj	(	vhtReal	left,
		vhtReal	right,
		vhtReal	bottom,
		vhtReal	top,
		vhtReal	znear,
		vhtReal	zfar
	)

vhdMatrix4& vhdMatrix4::setPerspectiveProj	(	vhtReal	width,
		vhtReal	height,
		vhtReal	znear,
		vhtReal	zfar
	)

vhdMatrix4& vhdMatrix4::setPerspectiveProjFov	(	vhtReal	verticalFov,
		vhtReal	aspectRatio,
		vhtReal	znear,
		vhtReal	zfar
	)

vhdMatrix4& vhdMatrix4::setOrthoProj	(	vhtReal	left,
		vhtReal	top,
		vhtReal	right,
		vhtReal	bottom,
		vhtReal	znear,
		vhtReal	zfar
	)

vhdMatrix4& vhdMatrix4::setOrthoProj	(	vhtReal	width,
		vhtReal	height,
		vhtReal	znear,
		vhtReal	zfar
	)

vhdVector4 vhdMatrix4::operator *

(

const vhdVector4 &

v

)

const [inline]

bool vhdMatrix4::logOf

(

const vhdMatrix4 &

matrix

)

bool vhdMatrix4::expOf

(

const vhdMatrix4 &

matrix

)

void vhdMatrix4::scale

(

const float

s

)

float vhdMatrix4::normInfinity

(

void

)

const

void vhdMatrix4::mult

(

const vhdMatrix4 &

m2

)

void vhdMatrix4::multLeft

(

const vhdMatrix4 &

m1

)

void vhdMatrix4::addScaled	(	const vhdMatrix4 &	matrix,
		float	s
	)

bool vhdMatrix4::invertFrom

(

const vhdMatrix4 &

matrix

)

bool vhdMatrix4::inverse

(

vhdMatrix4 &

result

)

const

void vhdMatrix4::negate

(

void

)

[inline]

float vhdMatrix4::det

(

void

)

const

vhdVector3 vhdMatrix4::operator *

(

const vhdVector3 &

v

)

const

bool vhdMatrix4::sqrt

(

void

)

[private]

---

Friends And Related Function Documentation

std::ostream& operator<<	(	std::ostream &	o,
		const vhdMatrix4 &	m
	)			[friend]

---

Member Data Documentation

vhtReal vhdMatrix4::m[4][4]

vhtReal vhdMatrix4::_m[16]

union { ... }

const vhdMatrix4 vhdMatrix4::ZERO [static]

const vhdMatrix4 vhdMatrix4::IDENTITY [static]

---