Transform Struct Reference

Represent an affine transformation. More...

#include <transform.h>

List of all members.

Public Member Functions
	Transform ()
	Create an identity transformation.
	Transform (const Matrix4x4 &_m, const Matrix4x4 &_mi)
	Create a transformation with the given matrix and its inverse.
	Transform (const Matrix4x4 &_m, const Matrix4x4 &_mi, const Matrix4x4 &_mit)
	Create a transformation with the given matrix, its inverse, and its inverse transpose.
Transform	operator* (const Transform &other) const
	Multiply this with the given transformation, thereby composing the two, and return the result.
Transform &	operator*= (const Transform &otherz)
	Multiply this with the given transformation, thereby composing the two, and set this to the result.
bool	is_near (const Transform &other, float threshold=0.0001f)
	Check whether the given transform other is within threshold of this.
Static Public Member Functions
static Transform	identity ()
	Create an identity transformation.
static Transform	translate (float x, float y, float z)
	Create a translation.
static Transform	translate_x (float x)
	Create a translation along the x-axis.
static Transform	translate_y (float y)
	Create a translation along the y-axis.
static Transform	translate_z (float z)
	Create a translation along the z-axis.
static Transform	scale (float x, float y, float z)
	Create a scaling.
static Transform	scale (float s)
	Create a scaling with the same scaling factor s along all axes.
static Transform	scale_x (float x)
	Create a scaling along the x-axis.
static Transform	scale_y (float y)
	Create a scaling along the y-axis.
static Transform	scale_z (float z)
	Create a scaling along the z-axis.
static Transform	rotate (float degrees, Vector3 axis)
	Create a rotation, specifying the degrees to rotate and the axis of rotation.
static Transform	rotate_x (float degrees)
	Create a rotation around the x-axis.
static Transform	rotate_y (float degrees)
	Create a rotation around the y-axis.
static Transform	rotate_z (float degrees)
	Create a rotation around the z-axis.
Public Attributes
Matrix4x4	m
	the matrix of the transformation
Matrix4x4	mi
	the inverse of the matrix of the transformation
Matrix4x4	mit
	the inverse transpose of the matrix of the transformation

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Detailed Description

Represent an affine transformation.

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Constructor & Destructor Documentation

Transform::Transform

(

)

Create an identity transformation.

Transform::Transform	(	const Matrix4x4 &	_m,
		const Matrix4x4 &	_mi
	)

Create a transformation with the given matrix and its inverse.

Transform::Transform	(	const Matrix4x4 &	_m,
		const Matrix4x4 &	_mi,
		const Matrix4x4 &	_mit
	)

Create a transformation with the given matrix, its inverse, and its inverse transpose.

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Member Function Documentation

static Transform Transform::identity

(

)

[static]

Create an identity transformation.

bool Transform::is_near	(	const Transform &	other,
		float	threshold = 0.0001f
	)

Check whether the given transform other is within threshold of this.

Transform Transform::operator*

(

const Transform &

other

)

const

Multiply this with the given transformation, thereby composing the two, and return the result.

Transform& Transform::operator*=

(

const Transform &

otherz

)

Multiply this with the given transformation, thereby composing the two, and set this to the result.

static Transform Transform::rotate	(	float	degrees,
		Vector3	axis
	)			[static]

Create a rotation, specifying the degrees to rotate and the axis of rotation.

static Transform Transform::rotate_x

(

float

degrees

)

[static]

Create a rotation around the x-axis.

static Transform Transform::rotate_y

(

float

degrees

)

[static]

Create a rotation around the y-axis.

static Transform Transform::rotate_z

(

float

degrees

)

[static]

Create a rotation around the z-axis.

static Transform Transform::scale

(

float

s

)

[static]

Create a scaling with the same scaling factor s along all axes.

static Transform Transform::scale	(	float	x,
		float	y,
		float	z
	)			[static]

Create a scaling.

static Transform Transform::scale_x

(

float

x

)

[static]

Create a scaling along the x-axis.

static Transform Transform::scale_y

(

float

y

)

[static]

Create a scaling along the y-axis.

static Transform Transform::scale_z

(

float

z

)

[static]

Create a scaling along the z-axis.

static Transform Transform::translate	(	float	x,
		float	y,
		float	z
	)			[static]

Create a translation.

static Transform Transform::translate_x

(

float

x

)

[static]

Create a translation along the x-axis.

static Transform Transform::translate_y

(

float

y

)

[static]

Create a translation along the y-axis.

static Transform Transform::translate_z

(

float

z

)

[static]

Create a translation along the z-axis.

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Member Data Documentation

Matrix4x4 Transform::m

the matrix of the transformation

Matrix4x4 Transform::mi

the inverse of the matrix of the transformation

Matrix4x4 Transform::mit

the inverse transpose of the matrix of the transformation

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

• include/cglib/transform.h