mat4 Struct Reference

List of all members.

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Detailed Description

A 4x4 matrix.

Public Member Functions
void	set (vec4 a, vec4 b, vec4 c, vec4 d)
	Set this matrix.
void	set (float aa, float ab, float ac, float ad, float ba, float bb, float bc, float bd, float ca, float cb, float cc, float cd, float da, float db, float dc, float dd)
	Set this matrix.
mat4	scale (float x, float y, float z)
	Multiply by a scaling matrix.
mat4	scale (vec3 amount)
	Multiply by a scaling matrix.
mat4	scale (vec4 amount)
	Multiply by a scaling matrix.
mat4	translate (float x, float y, float z)
	Multiply by a translation matrix.
mat4	translate (vec3 amount)
	Multiply by a translation matrix.
mat4	rotateDeg (float angle, float x, float y, float z)
	Multiply by a rotation matrix.
mat4	rotateDeg (float angle, vec3 v)
	Multiply by a rotation matrix.
bit	isIdentity ()
	Return whether this is an identity matrix.
void	set (int row, int col, float value)
	Set a cell on the matrix.
float	get (int row, int col)
	Get a cell on the matrix.
void	row (int row, float a, float b, float c, float d)
	Set a row on the matrix.
void	row (int row, vec4 vec)
	Set a row on the matrix.
vec4	row (int row)
	Get a row on the matrix.
vec4	col (int col)
	Get a column on the matrix.
vec3	col3 (int col)
	Get a column on the matrix as a vec3.
void	col (int col, float a, float b, float c, float d)
	Set a column on the matrix.
void	col (int col, vec4 vec)
	Set a column on the matrix.
vec4	diag ()
	Get the diagonal (which encodes the simple scale).
float[]	array ()
	Get the full 16-cell array.
mat4	swizzle (int a, int b, int c, int d)
	Swizzle.
vec3	rotate (vec3 v)
	Rotate the vector, ignoring the w component.
vec3	rotateNormal (vec3 v)
	Rotate the vector, ignoring the w component, and renormalize the vector if necessary.
mat4	transpose ()
	Get the transpose matrix.
bit	parity ()
	Get whether the parity is positive.
mat4	mul (float v)
	Multiply by scalar.
mat4	mul (mat4 mb)
	Multiply matrices.
vec2	mul (vec2 v)
	Multiply matrix by zero and one-extended vector.
vec3	mul (vec3 v)
	Multiply matrix by one-extended vector.
vec4	mul (vec4 v)
	Multiply matrix by vector.
float	cofactor (int row, int col)
	Compute the cofactor of a cell, stolen from Pierre Terdiman.
mat4	cofactorMatrix ()
	Compute a matrix filled with cofactors of this matrix.
float	determinant ()
	Compute the determinant of this matrix.
mat4	invert ()
	Invert matrix, throws if singular.
mat4	rotationOnly ()
	Return the rotation and scaling factors of the matrix.
bit	eq (mat4 b)
	Test for equality.
void	print ()
	Print the matrix.
char[]	toString ()
	Convert to a four-line string.
quat3	toquat3 ()
	Return the quaternion component from the matrix.
Static Public Member Functions
mat4	create (vec4 a, vec4 b, vec4 c, vec4 d)
	Create a matrix using normal order.
mat4	create (float aa, float ab, float ac, float ad, float ba, float bb, float bc, float bd, float ca, float cb, float cc, float cd, float da, float db, float dc, float dd)
	Create a matrix.
mat4	create (mat3 base)
	Create a matrix by extending a 3x3 matrix with identity.
mat4	identity ()
	Get the identity matrix.
mat4	scaling (float x, float y, float z)
	Get a scaling matrix.
mat4	scaling (vec3 amount)
	Get a scaling matrix.
mat4	scaling (vec4 amount)
	Get a scaling matrix.
mat4	translation (float x, float y, float z)
	Get a translation matrix.
mat4	translation (vec3 v)
	Get a translation matrix.
mat4	rotationDeg (float angle, float x, float y, float z)
	Get a rotation matrix.
mat4	rotationDeg (float angle, vec3 v)
	Get a rotation matrix.

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Member Function Documentation

mat4 mat4.rotateDeg (  float  angle, vec3  v )

Multiply by a rotation matrix. angle is in degrees.

mat4 mat4.rotateDeg (  float  angle, float  x, float  y, float  z )

Multiply by a rotation matrix. angle is in degrees.

mat4 mat4.rotationDeg (  float  angle, vec3  v )  [static]

Get a rotation matrix. angle is in degrees.

mat4 mat4.rotationDeg (  float  angle, float  x, float  y, float  z )  [static]

Get a rotation matrix. angle is in degrees.

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

• math.d

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