LinAlg::Transform2< T > Class Template Reference

#include <Transform2.h>

Inheritance diagram for LinAlg::Transform2< T >:

List of all members.

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Detailed Description

template<typename T>
class LinAlg::Transform2< T >

A 2D affine transformation represented as a 3x3 matrix.

This version supports translation, rotation, and uniform scales.

Public Member Functions
	Transform2 ()
	The identity transform.
	Transform2 (const Mat3< T > &values)
	Initialize from a matrix of values.
	Transform2 (const Matrix< T, 3 > &values)
	Initialize from a matrix of values.
	Transform2 (const Mat2< T > &R, const Vec2< T > &t)
	Initialize from a rotation/scaling matrix and a translation vector.
	Transform2 (const Transform2 &other)
	Copy an affine transform.
Transform2 &	operator= (const Transform2 &other)
	Assign an affine transform to this one.
T	getScale () const
	Return the uniform scaling factor.
T	getScaleSqr () const
	Return the uniform scaling factor squared.
Vec2< T >	getTranslation () const
	Return the translation.
Transform2	inverse () const
	Calculate the inverse of the transfromation.
Vec2< T >	transPoint (const Vec2< T > &v) const
	Transform a point.
Vec2< T >	transVector (const Vec2< T > &v) const
	Transform a vector.
Static Public Member Functions
Various affine transforms creators.
Transform2	identity ()
	Return the identity transform.
Transform2	translation (const Vec2< T > &v)
	Return a translation transform.
Transform2	scale (const T &s)
	Return a uniform scaling transform.
Transform2	rotation (const T angle)
	Return a rotation transform of angle radians about the origin.

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Member Function Documentation

template<typename T> Transform2 LinAlg::Transform2< T >::rotation (  const T  angle  )  [inline, static]

Return a rotation transform of angle radians about the origin. Note: This clearly won't work very well for integer types T.

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

• Transform2.h

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© 2005-2008 Adrian Secord.