A class for 2D matrices and related operations. More...

#include <Matrix.hpp>

Public Member Functions
	Matrix2D ()
	Default constructor, initializes matrix to the identity matrix.

void	Identity ()
	Creates an identity matrix internally.

void	Translate (float x, float y)
	Creates a transformation matrix internally.

void	Scale (float xScale, float yScale)
	Creates a scale matrix internally.

void	Rotate (float rotation)
	Creates a rotation matrix internally from a float.

void	Rotate (const steer::Vector2 &fwd, const steer::Vector2 &side)
	Creates a rotation matrix internally from two vectors (steer::Vector2 - forward and side vectors most commonly, but not necessarily).

void	TransformVector2Ds (std::vector< steer::Vector2 > &vPoints)
	Applies a transformation matrix to a std::vector of points.

void	TransformVector2Ds (steer::Vector2 &vPoint)

void	_11 (float val)

void	_12 (float val)

void	_13 (float val)

void	_21 (float val)

void	_22 (float val)

void	_23 (float val)

void	_31 (float val)

void	_32 (float val)

void	_33 (float val)

Detailed Description

A class for 2D matrices and related operations.

Member Function Documentation

void steer::Matrix2D::Rotate ( float rotation )

inline

Creates a rotation matrix internally from a float.

Parameters

rotation - a plain old float.

inline

Creates a rotation matrix internally from two vectors (steer::Vector2 - forward and side vectors most commonly, but not necessarily).

Parameters

fwd	- a steer::Vector2 of floats.
side	- a steer::Vector2 of floats.

inline

Creates a scale matrix internally.

Parameters

xScale	- a plain old float.
yScale	- a plain old float.

void steer::Matrix2D::TransformVector2Ds ( std::vector< steer::Vector2 > & vPoints )

inline

Applies a transformation matrix to a std::vector of points.

Applies a transformation matrix to a point (steer::Vector2).

Parameters

vPoints	- a std::vector of steer::Vector2 floats.
vPoint	- a steer::Vector2 of floats.

void steer::Matrix2D::Translate	(	float	x,
		float	y
	)

inline

Creates a transformation matrix internally.

Parameters

x	- a plain old float.
y	- a plain old float.

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