ES3D::VectorMathf Class Reference

#include <VectorMathf.h>

List of all members.

Static Public Member Functions
static GLfloat	amountf (const GLfloat vector[3])
static GLvoid	normalizef (GLfloat vector[3])
static GLvoid	multiplyf (GLfloat vector[3], GLfloat s)
static GLvoid	addf (GLfloat result[3], const GLfloat vector0[3], const GLfloat vector1[3])
static GLvoid	subf (GLfloat result[3], const GLfloat vector0[3], const GLfloat vector1[3])
static GLvoid	copyf (GLfloat copy[3], const GLfloat vector[3])
static GLfloat	dotProductf (const GLfloat vector0[3], const GLfloat vector1[3])
static GLvoid	crossProductf (GLfloat result[3], const GLfloat vector0[3], const GLfloat vector1[3])
static GLvoid	multMatrixVectorf (GLfloat result[3], const GLfloat matrix[16], const GLfloat vector[3], const GLfloat w=1.0f)
static GLvoid	multMatrixScalarf (GLfloat result[16], const GLfloat matrix[16], GLfloat scalar)
static GLvoid	loadIdentityf (GLfloat matrix[16])
static GLvoid	addMatrixf (GLfloat result[16], const GLfloat matrix0[16], const GLfloat matrix1[16])
static GLvoid	subMatrixf (GLfloat result[16], const GLfloat matrix0[16], const GLfloat matrix1[16])
static GLvoid	multMatrixf (GLfloat result[16], const GLfloat matrix0[16], const GLfloat matrix1[16])
static GLvoid	translateMatrixf (GLfloat result[16], GLfloat x, GLfloat y, GLfloat z)
static GLvoid	scaleMatrixf (GLfloat result[16], GLfloat x, GLfloat y, GLfloat z)
static GLvoid	rotateRzRyRxMatrixf (GLfloat result[16], GLfloat anglex, GLfloat angley, GLfloat anglez)
static GLvoid	transposeMatrixf (GLfloat result[16], const GLfloat matrix[16])
static GLboolean	inverseMatrixf (GLfloat result[16], const GLfloat matrix[16])

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Detailed Description

Class which supports the basic vector math operations.

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Member Function Documentation

static GLvoid ES3D::VectorMathf::addf	(	GLfloat	result[3],
		const GLfloat	vector0[3],
		const GLfloat	vector1[3]
	)			[inline, static]

Adds two vectors.

Parameters:

	result	the result
	vector0	the first vector
	vector1	the second vector

static GLvoid ES3D::VectorMathf::addMatrixf	(	GLfloat	result[16],
		const GLfloat	matrix0[16],
		const GLfloat	matrix1[16]
	)			[inline, static]

Adds a matrix to another matrix.

Parameters:

	result	the resulting matrix
	matrix0	the first matrix
	matrix1	the second matrix

static GLfloat ES3D::VectorMathf::amountf

(

const GLfloat

vector[3]

)

[inline, static]

Calculates the amount of a vector.

Parameters:

vector

the vector

Returns:

the amount

static GLvoid ES3D::VectorMathf::copyf	(	GLfloat	copy[3],
		const GLfloat	vector[3]
	)			[inline, static]

Copys a vector

Parameters:

	copy	the copy
	vector	the source vector

static GLvoid ES3D::VectorMathf::crossProductf	(	GLfloat	result[3],
		const GLfloat	vector0[3],
		const GLfloat	vector1[3]
	)			[inline, static]

Calculates the cross product of two vectors. result = vector0 x vector1

Parameters:

	result	the resulting vector
	vector0	the first vector
	vector1	the second vector

static GLfloat ES3D::VectorMathf::dotProductf	(	const GLfloat	vector0[3],
		const GLfloat	vector1[3]
	)			[inline, static]

Calculates the dot product of two vectors.

Parameters:

	vector0	the frist vector
	vector1	the second vector

Returns:

the result, the dot product

static GLboolean ES3D::VectorMathf::inverseMatrixf	(	GLfloat	result[16],
		const GLfloat	matrix[16]
	)			[inline, static]

Calculates the invers of a matrix.

Parameters:

	result	the resulting matrix
	matrix	the source matrix

Returns:

true, if a inverse matrix could be found

static GLvoid ES3D::VectorMathf::loadIdentityf

(

GLfloat

matrix[16]

)

[inline, static]

Loads the identity matrix.

Parameters:

matrix

the matrix where to load in the identity.

static GLvoid ES3D::VectorMathf::multiplyf	(	GLfloat	vector[3],
		GLfloat	s
	)			[inline, static]

Multiplies a vector by a scalar.

Parameters:

	vector	the vector to be multiplied
	s	the scalar

static GLvoid ES3D::VectorMathf::multMatrixf	(	GLfloat	result[16],
		const GLfloat	matrix0[16],
		const GLfloat	matrix1[16]
	)			[inline, static]

Multiplies a matrix with another. result = matrix0 * matrix1

Parameters:

	result	the resulting matrix
	matrix0	the first matrix
	matrix1	the second matrix

static GLvoid ES3D::VectorMathf::multMatrixScalarf	(	GLfloat	result[16],
		const GLfloat	matrix[16],
		GLfloat	scalar
	)			[inline, static]

Multiplies a matrix with a scalar.

Parameters:

	result	the reulting matrix
	matrix	the source matrix
	scalar	the scalar to multiply with

static GLvoid ES3D::VectorMathf::multMatrixVectorf	(	GLfloat	result[3],
		const GLfloat	matrix[16],
		const GLfloat	vector[3],
		const GLfloat	w = 1.0f
	)			[inline, static]

Multiplies a vector with the given matrix.

Parameters:

	result	the resulting vector
	matrix	the matrix to multiply with
	vector	the source vector
	w	homogenous coordiante, when needed

static GLvoid ES3D::VectorMathf::normalizef

(

GLfloat

vector[3]

)

[inline, static]

Normalizes a vector.

Parameters:

vector

the vector to normalize

static GLvoid ES3D::VectorMathf::rotateRzRyRxMatrixf	(	GLfloat	result[16],
		GLfloat	anglex,
		GLfloat	angley,
		GLfloat	anglez
	)			[inline, static]

Rotates a matrix around the x, y and z axis.

Parameters:

	result	the resulting matrix.
	anglex	the x angle
	angley	the y angle
	anglez	the z angle

static GLvoid ES3D::VectorMathf::scaleMatrixf	(	GLfloat	result[16],
		GLfloat	x,
		GLfloat	y,
		GLfloat	z
	)			[inline, static]

Scaling matrix.

Parameters:

	result	the resulting matrix
	x	the x scaling factor
	y	the y scaling factor
	z	the z scaling factor

static GLvoid ES3D::VectorMathf::subf	(	GLfloat	result[3],
		const GLfloat	vector0[3],
		const GLfloat	vector1[3]
	)			[inline, static]

Subtracts two vectors: vector0 - vector1

Parameters:

	result	the result
	vector0	the first vector
	vector1	the second vector

static GLvoid ES3D::VectorMathf::subMatrixf	(	GLfloat	result[16],
		const GLfloat	matrix0[16],
		const GLfloat	matrix1[16]
	)			[inline, static]

Subtracts a matrix from another matrix.

Parameters:

	result	the resulting matrix
	matrix0	the first matrix
	matrix1	the second matrix

static GLvoid ES3D::VectorMathf::translateMatrixf	(	GLfloat	result[16],
		GLfloat	x,
		GLfloat	y,
		GLfloat	z
	)			[inline, static]

Translates a matrix.

Parameters:

	result	the resulting matrix
	x	the x coordinate.
	y	the y coordinate.
	z	the z coordinate.

static GLvoid ES3D::VectorMathf::transposeMatrixf	(	GLfloat	result[16],
		const GLfloat	matrix[16]
	)			[inline, static]

Transposes a matrix.

Parameters:

	result	the resulting matrix
	matrix	the source matrix

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

• C:/Projects/win32/ES3D/ES3D/VectorMathf.h

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