src/NGLMath.cpp File Reference

#include "NGLMath.h"

Functions
ngl::Matrix	Lookat (const ngl::Vector &_eye, const ngl::Vector &_target, const ngl::Vector &_lookup)
	method for constructing view matrix based on a approximated 'up' vector
ngl::Matrix	Adj (const ngl::Matrix &_mat)
	calculated adjoint of matrix
float	Det (const ngl::Matrix &_mat)
	calculated determinant of matrix
ngl::Matrix	Inverse (const ngl::Matrix &_mat)
	the inverse of a matrix

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Function Documentation

ngl::Matrix Adj

(

const ngl::Matrix &

_mat

)

calculated adjoint of matrix

Parameters:

[in]

_mat

the matrix to calculate from

Returns:

adjoint

float Det

(

const ngl::Matrix &

_mat

)

calculated determinant of matrix

Parameters:

[in]

_mat

the matrix to calculate from

Returns:

determinant

ngl::Matrix Inverse

(

const ngl::Matrix &

_mat

)

the inverse of a matrix

Parameters:

[in]

_mat

the matrix to calculate from

Returns:

inverse

ngl::Matrix Lookat	(	const ngl::Vector &	_eye,
		const ngl::Vector &	_target,
		const ngl::Vector &	_lookup
	)

method for constructing view matrix based on a approximated 'up' vector

Parameters:

[in]	_eye	the position of the source
[in]	_target	the position the source is looking at
[in]	_lookup	the approximated 'up' vector for this source

Returns:

ngl::Matrix view, view matrix for this lookat