mat3 Struct Reference

List of all members.

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Detailed Description

A 3x3 matrix.

Public Member Functions
void	set (vec3 a, vec3 b, vec3 c)
	Set this matrix.
void	set (float aa, float ab, float ac, float ba, float bb, float bc, float ca, float cb, float cc)
	Set this matrix.
mat3	scale (float x, float y)
	Multiply by a scaling matrix.
mat3	scale (vec2 amount)
	Multiply by a scaling matrix.
mat3	scale (vec3 amount)
	Multiply by a scaling matrix.
mat3	translate (float x, float y)
	Multiply by a translation matrix.
mat3	translate (vec2 amount)
	Multiply by a translation matrix.
bit	isIdentity ()
	Return whether this is an identity matrix.
void	set (int col, int row, float value)
	Set a cell on the matrix.
float	get (int col, int row)
	Get a cell on the matrix.
vec3	diag ()
	Get the diagonal (which encodes the simple scale).
void	row (int row, float a, float b, float c)
	Set a row on the matrix.
void	row (int row, vec3 vec)
	Set a row on the matrix.
vec3	row (int row)
	Return a row on the matrix.
vec3	col (int col)
	Get a column on the matrix.
vec2	col2 (int col)
	Get a column on the matrix as a vec2.
void	col (int col, float a, float b, float c)
	Set a column on the matrix.
void	col (int col, vec3 vec)
	Set a column on the matrix.
float[]	array ()
	Get the full 9-cell array.
mat3	swizzle (int a, int b, int c)
	Swizzle.
vec2	rotate (vec2 v)
	Rotate the vector, ignoring the z component.
mat3	transpose ()
	Get the transpose matrix.
mat3	mul (mat3 mb)
	Multiply matrices.
vec2	mul (vec2 v)
	Multiply matrix by one-extended vector.
vec3	mul (vec3 v)
	Multiply matrix by vector.
mat3	mulass (mat3 mb)
	Multiply and assign matrix.
bit	eq (mat3 b)
	Test for equality.
void	print ()
	Print the matrix.
char[]	toString ()
	Convert to a four-line string.
Static Public Member Functions
mat3	fromTo (vec3 from, vec3 to)
	Create a rotation matrix that rotates a vector from one point to another point (stolen from OPCODE).
mat3	fromNormal (vec3 normal)
	Create a rotation matrix from a normal.
mat3	create (vec3 a, vec3 b, vec3 c)
	Create a matrix using normal order.
mat3	create (float aa, float ab, float ac, float ba, float bb, float bc, float ca, float cb, float cc)
	Create a matrix using normal order.
mat3	identity ()
	Get the identity matrix.
mat3	rotationDeg (float angle, float x, float y, float z)
	Get a rotation matrix.
mat3	rotationDeg (float angle, vec3 v)
	Get a rotation matrix.
mat3	rotationRad (float angle, float x, float y, float z)
	Get a rotation matrix.
mat3	rotationRad (float angle, vec3 v)
	Get a rotation matrix.
mat3	scaling (float x, float y)
	Get a scaling matrix.
mat3	scaling (vec2 amount)
	Get a scaling matrix.
mat3	scaling (vec3 amount)
	Get a scaling matrix.
mat3	translation (float x, float y)
	Get a translation matrix.
mat3	translation (vec2 v)
	Get a translation matrix.

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Member Function Documentation

mat3 mat3.fromNormal (  vec3  normal  )  [static]

Create a rotation matrix from a normal. The normal need not be normalised.

mat3 mat3.rotationDeg (  float  angle, vec3  v )  [static]

Get a rotation matrix. angle is in degrees.

mat3 mat3.rotationDeg (  float  angle, float  x, float  y, float  z )  [static]

Get a rotation matrix. angle is in degrees.

mat3 mat3.rotationRad (  float  angle, vec3  v )  [static]

Get a rotation matrix. angle is in radians.

mat3 mat3.rotationRad (  float  angle, float  x, float  y, float  z )  [static]

Get a rotation matrix. angle is in radians.

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

• math.d

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