#include <math.h>

Functions
void	matrixIdentityFunction (float *matrix)
	Takes a 4 * 4 and sets the elements to the Identity function. More...

void	matrixTranslate (float *matrix, float x, float y, float z)
	Takes in a 4 * 4 matrix and translates it by the vector defined by x y and z. More...

void	matrixMultiply (float destination, float operand1, float *operand2)
	Takes 2 matrices and multiplies them together. Then stores the result in a third matrix. More...

void	matrixFrustum (float *matrix, float left, float right, float bottom, float top, float zNear, float zFar)
	Create a viewing frustum and store the result in the first parameter. This is usually called by matrixPerspective. More...

void	matrixPerspective (float *matrix, float fieldOfView, float aspectRatio, float zNear, float zFar)
	Create a perspective projection matrix and store the results in the first parameter. More...

void	matrixRotateX (float *matrix, float angle)
	Rotates a matrix around the x axis by a given angle. More...

void	matrixRotateY (float *matrix, float angle)
	Rotates a matrix around the y axis by a given angle. More...

void	matrixRotateZ (float *matrix, float angle)
	Rotates a matrix around the Z axis by a given angle. More...

void	matrixScale (float *matrix, float x, float y, float z)
	Scales a matrix by a given factor in the x, y and z axis. More...

float	matrixDegreesToRadians (float degrees)
	Function to convert degrees into Radians. More...

Function Documentation

float matrixDegreesToRadians ( float degrees )

Function to convert degrees into Radians.

Parameters

[in] degrees Angle to be converted.

Returns: Converted angle in Radians.

Definition at line 152 of file Matrix.cpp.

void matrixFrustum	(	float *	matrix,
		float	left,
		float	right,
		float	bottom,
		float	top,
		float	zNear,
		float	zFar
	)

Create a viewing frustum and store the result in the first parameter. This is usually called by matrixPerspective.

Parameters

[out]	matrix	Destination of the frustum.
[in]	left	Left side of the frustum.
[in]	right	Right side of the frustum.
[in]	bottom	Bottom of the frustum.
[in]	top	Top of the frustum.
[in]	zNear	Near visible distance of the frustum.
[in]	zFar	Far visible distance of the frustum.

Definition at line 78 of file Matrix.cpp.

void matrixIdentityFunction ( float * matrix )

Takes a 4 * 4 and sets the elements to the Identity function.

Parameters

[out] matrix Pointer to an array of a 4 * 4 matrix. Must be at least 16 elements long.

Definition at line 23 of file Matrix.cpp.

void matrixMultiply	(	float *	destination,
		float *	operand1,
		float *	operand2
	)

Takes 2 matrices and multiplies them together. Then stores the result in a third matrix.

Parameters

[out]	destination	A pointer to the array the result of the multiplication should be stored.
[in]	operand1	A pointer to the first matrix to be multiplied.
[in]	operand2	A pointer to the second matrix to be multiplied.

Definition at line 58 of file Matrix.cpp.

void matrixPerspective	(	float *	matrix,
		float	fieldOfView,
		float	aspectRatio,
		float	zNear,
		float	zFar
	)

Create a perspective projection matrix and store the results in the first parameter.

Parameters

[out]	matrix	Destination of the perspective projection matrix.
[in]	fieldOfView	The field of view in degrees. How far you expect the camera to see in degrees.
[in]	aspectRatio	The aspect ratio of your viewport.
[in]	zNear	How close objects can be to the camera before they disappear.
[in]	zFar	How far away objects can be before they are no longer drawn.

Definition at line 96 of file Matrix.cpp.

void matrixRotateX	(	float *	matrix,
		float	angle
	)

Rotates a matrix around the x axis by a given angle.

Parameters

[in,out]	matrix	A pointer to the matrix to be rotated
[in]	angle	A float representing the angle to rotate by in degrees.

Definition at line 104 of file Matrix.cpp.

void matrixRotateY	(	float *	matrix,
		float	angle
	)

Rotates a matrix around the y axis by a given angle.

Parameters

[in,out]	matrix	A pointer to the matrix to be rotated
[in]	angle	A float representing the angle to rotate by in degrees.

Definition at line 116 of file Matrix.cpp.

void matrixRotateZ	(	float *	matrix,
		float	angle
	)

Rotates a matrix around the Z axis by a given angle.

Parameters

[in,out]	matrix	A pointer to the matrix to be rotated
[in]	angle	A float representing the angle to rotate by in degrees.

Definition at line 128 of file Matrix.cpp.

void matrixScale	(	float *	matrix,
		float	x,
		float	y,
		float	z
	)

Scales a matrix by a given factor in the x, y and z axis.

Parameters

[in,out]	matrix	A pointer to the matrix to be scaled.
[in]	x	Scaling factor in the X axis.
[in]	y	Scaling factor in the Y axis.
[in]	z	Scaling factor in the Z axis.

Definition at line 140 of file Matrix.cpp.

void matrixTranslate	(	float *	matrix,
		float	x,
		float	y,
		float	z
	)

Takes in a 4 * 4 matrix and translates it by the vector defined by x y and z.

Parameters

[in,out]	matrix	Pointer to an array of a 4 * 4 matrix. Must be at least 16 elements long
[in]	x	X component of the translation vector.
[in]	y	Y component of the translation vector.
[in]	z	Z component of the translation vector.

Definition at line 48 of file Matrix.cpp.

Functions

Function Documentation