Functions
static void	rsQuaternionSet (rs_quaternion *q, float w, float x, float y, float z)
static void	rsQuaternionSet (rs_quaternion q, const rs_quaternion rhs)
static void	rsQuaternionMultiply (rs_quaternion *q, float s)
static void	rsQuaternionAdd (rs_quaternion q, const rs_quaternion rhs)
static void	rsQuaternionLoadRotateUnit (rs_quaternion *q, float rot, float x, float y, float z)
static void	rsQuaternionLoadRotate (rs_quaternion *q, float rot, float x, float y, float z)
static void	rsQuaternionConjugate (rs_quaternion *q)
static float	rsQuaternionDot (const rs_quaternion q0, const rs_quaternion q1)
static void	rsQuaternionNormalize (rs_quaternion *q)
static void	rsQuaternionMultiply (rs_quaternion q, const rs_quaternion rhs)
static void	rsQuaternionSlerp (rs_quaternion q, const rs_quaternion q0, const rs_quaternion *q1, float t)
static void	rsQuaternionGetMatrixUnit (rs_matrix4x4 m, const rs_quaternion q)

Detailed Description

Quaternion routines.

Definition in file rs_quaternion.rsh.

Function Documentation

static void rsQuaternionAdd	(	rs_quaternion *	q,
		const rs_quaternion *	rhs
	)		`[static]`

Add two quaternions

Parameters:

q	destination quaternion to add to
rsh	right hand side quaternion to add

Definition at line 74 of file rs_quaternion.rsh.

static void rsQuaternionConjugate ( rs_quaternion * q ) [static]

Conjugates the quaternion

Parameters:

q	quaternion to conjugate

Definition at line 127 of file rs_quaternion.rsh.

static float rsQuaternionDot	(	const rs_quaternion *	q0,
		const rs_quaternion *	q1
	)		`[static]`

Dot product of two quaternions

Parameters:

q0	first quaternion
q1	second quaternion

Returns:: dot product between q0 and q1

Definition at line 140 of file rs_quaternion.rsh.

static void rsQuaternionGetMatrixUnit	(	rs_matrix4x4 *	m,
		const rs_quaternion *	q
	)		`[static]`

Computes rotation matrix from the normalized quaternion

Parameters:

m	resulting matrix
p	normalized quaternion

Definition at line 228 of file rs_quaternion.rsh.

static void rsQuaternionLoadRotate	(	rs_quaternion *	q,
		float	rot,
		float	x,
		float	y,
		float	z
	)		`[static]`

Loads a quaternion that represents a rotation about an arbitrary vector (doesn't have to be unit)

Parameters:

q	quaternion to set
rot	angle to rotate by
x	component of a vector
y	component of a vector
x	component of a vector

Definition at line 111 of file rs_quaternion.rsh.

static void rsQuaternionLoadRotateUnit	(	rs_quaternion *	q,
		float	rot,
		float	x,
		float	y,
		float	z
	)		`[static]`

Loads a quaternion that represents a rotation about an arbitrary unit vector

Parameters:

q	quaternion to set
rot	angle to rotate by
x	component of a vector
y	component of a vector
x	component of a vector

Definition at line 90 of file rs_quaternion.rsh.

static void rsQuaternionMultiply	(	rs_quaternion *	q,
		float	s
	)		`[static]`

Multiply quaternion by a scalar

Parameters:

q	quaternion to multiply
s	scalar

Definition at line 61 of file rs_quaternion.rsh.

static void rsQuaternionMultiply	(	rs_quaternion *	q,
		const rs_quaternion *	rhs
	)		`[static]`

Multiply quaternion by another quaternion

Parameters:

q	destination quaternion
rhs	right hand side quaternion to multiply by

Definition at line 163 of file rs_quaternion.rsh.

static void rsQuaternionNormalize ( rs_quaternion * q ) [static]

Normalizes the quaternion

Parameters:

q	quaternion to normalize

Definition at line 149 of file rs_quaternion.rsh.

static void rsQuaternionSet	(	rs_quaternion *	q,
		float	w,
		float	x,
		float	y,
		float	z
	)		`[static]`

Set the quaternion components

Parameters:

w	component
x	component
y	component
z	component

Definition at line 35 of file rs_quaternion.rsh.

static void rsQuaternionSet	(	rs_quaternion *	q,
		const rs_quaternion *	rhs
	)		`[static]`

Set the quaternion from another quaternion

Parameters:

q	destination quaternion
rhs	source quaternion

Definition at line 48 of file rs_quaternion.rsh.

static void rsQuaternionSlerp	(	rs_quaternion *	q,
		const rs_quaternion *	q0,
		const rs_quaternion *	q1,
		float	t
	)		`[static]`

Performs spherical linear interpolation between two quaternions

Parameters:

q	result quaternion from interpolation
q0	first param
q1	second param
t	how much to interpolate by

Definition at line 182 of file rs_quaternion.rsh.

Functions

Detailed Description

Function Documentation