renderstack::matrix Class Reference

4 x 4 float matrix, column major

#include <matrix.hpp>

Public Member Functions
	matrix ()
	matrix (matrix const &other)
	matrix (quaternion const &q)
matrix &	operator= (matrix const &other)
	matrix (float m00, float m10, float m20, float m30, float m01, float m11, float m21, float m31, float m02, float m12, float m22, float m32, float m03, float m13, float m23, float m33)
	matrix (vec4 const &row0, vec4 const &row1, vec4 const &row2, vec4 const &row3)
vec3	transform_vector (vec3 const &v) const
vec4	transform_vector (vec4 const &v) const
vec3	uniform_transform_direction (vec3 const &v) const
matrix	operator* (matrix const &other) const
matrix &	operator*= (matrix const &other)
vec3	column3 (int column) const
vec4	column (int column) const
vec4	row (int row) const
void	set_row (int row, vec4 const &v)
void	set_column (int col, vec4 const &v)
Static Public Member Functions
static matrix	identity ()
Data Fields
float	m [4][4]

Detailed Description

Definition at line 44 of file matrix.hpp.

Constructor & Destructor Documentation

renderstack::matrix::matrix ( ) [inline]

Definition at line 47 of file matrix.hpp.

00047 {}

renderstack::matrix::matrix ( matrix const & other ) [inline]

Definition at line 48 of file matrix.hpp.

00049     {
00050         m[0][0] = other.m[0][0]; m[1][0] = other.m[1][0]; m[2][0] = other.m[2][0]; m[3][0] = other.m[3][0];
00051         m[0][1] = other.m[0][1]; m[1][1] = other.m[1][1]; m[2][1] = other.m[2][1]; m[3][1] = other.m[3][1];
00052         m[0][2] = other.m[0][2]; m[1][2] = other.m[1][2]; m[2][2] = other.m[2][2]; m[3][2] = other.m[3][2];
00053         m[0][3] = other.m[0][3]; m[1][3] = other.m[1][3]; m[2][3] = other.m[2][3]; m[3][3] = other.m[3][3];
00054     }

renderstack::matrix::matrix ( quaternion const & q ) [explicit]

Definition at line 109 of file matrix.cpp.

00110 {
00111     float x2 = 2.0f * q.x;
00112     float y2 = 2.0f * q.y;
00113     float z2 = 2.0f * q.z;
00114     float xx = q.x * x2;
00115     float xy = q.x * y2;
00116     float xz = q.x * z2;
00117     float yy = q.y * y2;
00118     float yz = q.y * z2;
00119     float zz = q.z * z2;
00120     float wx = q.w * x2;
00121     float wy = q.w * y2;
00122     float wz = q.w * z2;
00123 
00124     m[0][0] = 1.0f - yy - zz;   m[1][0] = xy - wz;          m[2][0] = xz + wy;          m[3][0] = 0.0f; 
00125     m[0][1] = xy + wz;          m[1][1] = 1.0f - xx - zz;   m[2][1] = yz - wx;          m[3][1] = 0.0f; 
00126     m[0][2] = xz - wy;          m[1][2] = yz + wx;          m[2][2] = 1.0f - xx - yy;   m[3][2] = 0.0f;
00127     m[0][3] = 0.0f;             m[1][3] = 0.0f;             m[2][3] = 0.0f;             m[3][3] = 1.0f;
00128 
00129 }

renderstack::matrix::matrix	(	float	m00,
		float	m10,
		float	m20,
		float	m30,
		float	m01,
		float	m11,
		float	m21,
		float	m31,
		float	m02,
		float	m12,
		float	m22,
		float	m32,
		float	m03,
		float	m13,
		float	m23,
		float	m33
	)			`[inline]`

Definition at line 67 of file matrix.hpp.

00073     {
00074         m[0][0] = m00; m[1][0] = m10; m[2][0] = m20; m[3][0] = m30;
00075         m[0][1] = m01; m[1][1] = m11; m[2][1] = m21; m[3][1] = m31;
00076         m[0][2] = m02; m[1][2] = m12; m[2][2] = m22; m[3][2] = m32;
00077         m[0][3] = m03; m[1][3] = m13; m[2][3] = m23; m[3][3] = m33;
00078     }

renderstack::matrix::matrix	(	vec4 const &	row0,
		vec4 const &	row1,
		vec4 const &	row2,
		vec4 const &	row3
	)			`[inline]`

Definition at line 79 of file matrix.hpp.

00085     {
00086         m[0][0] = row0.x; m[1][0] = row0.y; m[2][0] = row0.z; m[3][0] = row0.w;
00087         m[0][1] = row1.x; m[1][1] = row1.y; m[2][1] = row1.z; m[3][1] = row1.w;
00088         m[0][2] = row2.x; m[1][2] = row2.y; m[2][2] = row2.z; m[3][2] = row2.w;
00089         m[0][3] = row3.x; m[1][3] = row3.y; m[2][3] = row3.z; m[3][3] = row3.w;
00090     }

Member Function Documentation

matrix& renderstack::matrix::operator= ( matrix const & other ) [inline]

Definition at line 57 of file matrix.hpp.

00058     {
00059         m[0][0] = other.m[0][0]; m[1][0] = other.m[1][0]; m[2][0] = other.m[2][0]; m[3][0] = other.m[3][0];
00060         m[0][1] = other.m[0][1]; m[1][1] = other.m[1][1]; m[2][1] = other.m[2][1]; m[3][1] = other.m[3][1];
00061         m[0][2] = other.m[0][2]; m[1][2] = other.m[1][2]; m[2][2] = other.m[2][2]; m[3][2] = other.m[3][2];
00062         m[0][3] = other.m[0][3]; m[1][3] = other.m[1][3]; m[2][3] = other.m[2][3]; m[3][3] = other.m[3][3];
00063 
00064         return *this;
00065     }

vec3 renderstack::matrix::transform_vector ( vec3 const & v ) const

Definition at line 80 of file matrix.cpp.

00081 {
00082     return vec3(
00083         m[0][0] * v.x + m[1][0] * v.y + m[2][0] * v.z + m[3][0],
00084         m[0][1] * v.x + m[1][1] * v.y + m[2][1] * v.z + m[3][1],
00085         m[0][2] * v.x + m[1][2] * v.y + m[2][2] * v.z + m[3][2]
00086     );
00087 }

vec4 renderstack::matrix::transform_vector ( vec4 const & v ) const

Definition at line 89 of file matrix.cpp.

00090 {
00091     return vec4(
00092         m[0][0] * v.x + m[1][0] * v.y + m[2][0] * v.z + m[3][0] * v.w,
00093         m[0][1] * v.x + m[1][1] * v.y + m[2][1] * v.z + m[3][1] * v.w,
00094         m[0][2] * v.x + m[1][2] * v.y + m[2][2] * v.z + m[3][2] * v.w,
00095         m[0][3] * v.x + m[1][3] * v.y + m[2][3] * v.z + m[3][3] * v.w
00096     );
00097 }

vec3 renderstack::matrix::uniform_transform_direction ( vec3 const & v ) const

Definition at line 99 of file matrix.cpp.

00100 {
00101     return vec3(
00102         m[0][0] * v.x + m[1][0] * v.y + m[2][0] * v.z,
00103         m[0][1] * v.x + m[1][1] * v.y + m[2][1] * v.z,
00104         m[0][2] * v.x + m[1][2] * v.y + m[2][2] * v.z
00105     );
00106 }

matrix renderstack::matrix::operator* ( matrix const & other ) const

Definition at line 131 of file matrix.cpp.

00132 {
00133     return matrix(
00134         m[0][0] * other.m[0][0] + m[1][0] * other.m[0][1] + m[2][0] * other.m[0][2] + m[3][0] * other.m[0][3],
00135         m[0][0] * other.m[1][0] + m[1][0] * other.m[1][1] + m[2][0] * other.m[1][2] + m[3][0] * other.m[1][3],
00136         m[0][0] * other.m[2][0] + m[1][0] * other.m[2][1] + m[2][0] * other.m[2][2] + m[3][0] * other.m[2][3],
00137         m[0][0] * other.m[3][0] + m[1][0] * other.m[3][1] + m[2][0] * other.m[3][2] + m[3][0] * other.m[3][3],
00138 
00139         m[0][1] * other.m[0][0] + m[1][1] * other.m[0][1] + m[2][1] * other.m[0][2] + m[3][1] * other.m[0][3],
00140         m[0][1] * other.m[1][0] + m[1][1] * other.m[1][1] + m[2][1] * other.m[1][2] + m[3][1] * other.m[1][3],
00141         m[0][1] * other.m[2][0] + m[1][1] * other.m[2][1] + m[2][1] * other.m[2][2] + m[3][1] * other.m[2][3],
00142         m[0][1] * other.m[3][0] + m[1][1] * other.m[3][1] + m[2][1] * other.m[3][2] + m[3][1] * other.m[3][3],
00143 
00144         m[0][2] * other.m[0][0] + m[1][2] * other.m[0][1] + m[2][2] * other.m[0][2] + m[3][2] * other.m[0][3],
00145         m[0][2] * other.m[1][0] + m[1][2] * other.m[1][1] + m[2][2] * other.m[1][2] + m[3][2] * other.m[1][3],
00146         m[0][2] * other.m[2][0] + m[1][2] * other.m[2][1] + m[2][2] * other.m[2][2] + m[3][2] * other.m[2][3],
00147         m[0][2] * other.m[3][0] + m[1][2] * other.m[3][1] + m[2][2] * other.m[3][2] + m[3][2] * other.m[3][3],
00148 
00149         m[0][3] * other.m[0][0] + m[1][3] * other.m[0][1] + m[2][3] * other.m[0][2] + m[3][3] * other.m[0][3],
00150         m[0][3] * other.m[1][0] + m[1][3] * other.m[1][1] + m[2][3] * other.m[1][2] + m[3][3] * other.m[1][3],
00151         m[0][3] * other.m[2][0] + m[1][3] * other.m[2][1] + m[2][3] * other.m[2][2] + m[3][3] * other.m[2][3],
00152         m[0][3] * other.m[3][0] + m[1][3] * other.m[3][1] + m[2][3] * other.m[3][2] + m[3][3] * other.m[3][3]
00153     );
00154 }

matrix& renderstack::matrix::operator*= ( matrix const & other ) [inline]

Definition at line 97 of file matrix.hpp.

00097 { return *this = *this * other; }

vec3 renderstack::matrix::column3 ( int column ) const

Definition at line 53 of file matrix.cpp.

00054 {
00055     return vec3(
00056         m[col][0],
00057         m[col][1],
00058         m[col][2]
00059     );
00060 }

vec4 renderstack::matrix::column ( int column ) const

Definition at line 62 of file matrix.cpp.

00063 {
00064     return vec4(
00065         m[col][0],
00066         m[col][1],
00067         m[col][2],
00068         m[col][3]
00069     );
00070 }

vec4 renderstack::matrix::row ( int row ) const

Definition at line 43 of file matrix.cpp.

00044 {
00045     return vec4(
00046         m[0][row],
00047         m[1][row],
00048         m[2][row],
00049         m[3][row]
00050     );
00051 }

void renderstack::matrix::set_row	(	int	row,
		vec4 const &	v
	)

Definition at line 35 of file matrix.cpp.

00036 {
00037     m[0][row] = v.x;
00038     m[1][row] = v.y;
00039     m[2][row] = v.z;
00040     m[3][row] = v.w;
00041 }

void renderstack::matrix::set_column	(	int	col,
		vec4 const &	v
	)

Definition at line 72 of file matrix.cpp.

00073 {
00074     m[col][0] = v.x;
00075     m[col][1] = v.y;
00076     m[col][2] = v.z;
00077     m[col][3] = v.w;
00078 }

static matrix renderstack::matrix::identity ( ) [inline, static]

Definition at line 111 of file matrix.hpp.

00112     {
00113         return matrix(
00114             1.0f, 0.0f, 0.0f, 0.0f,
00115             0.0f, 1.0f, 0.0f, 0.0f,
00116             0.0f, 0.0f, 1.0f, 0.0f,
00117             0.0f, 0.0f, 0.0f, 1.0f
00118         );
00119     };

Field Documentation

float renderstack::matrix::m[4][4]

Definition at line 108 of file matrix.hpp.

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

renderstack::matrix Class Reference

Public Member Functions

Static Public Member Functions

Data Fields

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation