G3D::Matrix2 Class Reference

#include <Matrix2.h>

Public Member Functions
	Matrix2 ()
	Matrix2 (float v00, float v01, float v10, float v11)
Vector2	operator* (const Vector2 &v) const
Matrix2	inverse () const
Matrix2	transpose () const
float	determinant () const
Matrix2	operator* (float f) const
Matrix2	operator/ (float f) const
float *	operator[] (int i)
const float *	operator[] (int i) const
	operator float * ()
	operator const float * () const

Static Public Member Functions
static Matrix2	identity ()

Private Attributes
float	data [2][2]

Detailed Description

Constructor & Destructor Documentation

G3D::Matrix2::Matrix2 ( )

inline

 {
 data[0][0] = 1.0f; data[0][1] = 0.0f;
 data[1][0] = 0.0f; data[1][1] = 1.0f;
 }

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G3D::Matrix2::Matrix2 ( float  v00, float  v01, float  v10, float  v11  )

inline

 {
 data[0][0] = v00; data[0][1] = v01;
 data[1][0] = v10; data[1][1] = v11;
 }

Member Function Documentation

float G3D::Matrix2::determinant ( ) const

inline

 {
 return data[0][0] * data[1][1] - data[0][1] * data[1][0];
 }

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static Matrix2 G3D::Matrix2::identity ( )

inlinestatic

 {
 return Matrix2(1.0f, 0.0f, 0.0f, 1.0f);
 }

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Matrix2 G3D::Matrix2::inverse ( ) const

inline

 {
 return Matrix2(data[1][1], -data[0][1],
 -data[1][0], data[0][0]) * (1.0f / determinant());
 }

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G3D::Matrix2::operator const float * ( ) const

inline

 {
 return (const float*)&data[0][0];
 }

G3D::Matrix2::operator float * ( )

inline

 {
 return (float*)&data[0][0];
 }

Vector2 G3D::Matrix2::operator* ( const Vector2 &  v ) const

inline

 {
 return Vector2(data[0][0] * v[0] + data[0][1] * v[1],
 data[1][0] * v[0] + data[1][1] * v[1]);
 }

Matrix2 G3D::Matrix2::operator* ( float  f ) const

inline

 {
 return Matrix2(data[0][0] * f, data[0][1] * f,
 data[1][0] * f, data[1][1] * f);
 }

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Matrix2 G3D::Matrix2::operator/ ( float  f ) const

inline

 {
 return Matrix2(data[0][0] / f, data[0][1] / f,
 data[1][0] / f, data[1][1] / f);
 }

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float* G3D::Matrix2::operator[] ( int  i )

inline

 {
 debugAssert(i >= 0 && i <= 1);
 return (float*)&data[i][0];
 }

const float* G3D::Matrix2::operator[] ( int  i ) const

inline

 {
 debugAssert(i >= 0 && i <= 1);
 return (const float*)&data[i][0];
 }

Matrix2 G3D::Matrix2::transpose ( ) const

inline

 {
 return Matrix2(data[0][0], data[1][0],
 data[0][1], data[1][1]);
 }

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Member Data Documentation

float G3D::Matrix2::data[2][2]

private

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

• dep/g3dlite/include/G3D/Matrix2.h