btQuaternion.h File Reference

#include "btVector3.h"
#include "btQuadWord.h"

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Classes
class	btQuaternion
	The btQuaternion implements quaternion to perform linear algebra rotations in combination with btMatrix3x3, btVector3 and btTransform. More...
struct	btQuaternionFloatData
struct	btQuaternionDoubleData

Macros
#define	btQuaternionData   btQuaternionFloatData
#define	btQuaternionDataName   "btQuaternionFloatData"

Functions
btQuaternion	operator* (const btQuaternion &q1, const btQuaternion &q2)
	Return the product of two quaternions.
btQuaternion	operator* (const btQuaternion &q, const btVector3 &w)
btQuaternion	operator* (const btVector3 &w, const btQuaternion &q)
btScalar	dot (const btQuaternion &q1, const btQuaternion &q2)
	Calculate the dot product between two quaternions.
btScalar	length (const btQuaternion &q)
	Return the length of a quaternion.
btScalar	btAngle (const btQuaternion &q1, const btQuaternion &q2)
	Return the angle between two quaternions.
btQuaternion	inverse (const btQuaternion &q)
	Return the inverse of a quaternion.
btQuaternion	slerp (const btQuaternion &q1, const btQuaternion &q2, const btScalar &t)
	Return the result of spherical linear interpolation betwen two quaternions.
btVector3	quatRotate (const btQuaternion &rotation, const btVector3 &v)
btQuaternion	shortestArcQuat (const btVector3 &v0, const btVector3 &v1)
btQuaternion	shortestArcQuatNormalize2 (btVector3 &v0, btVector3 &v1)

Macro Definition Documentation

btQuaternionData

#define btQuaternionData   btQuaternionFloatData

Definition at line 25 of file btQuaternion.h.

btQuaternionDataName

#define btQuaternionDataName   "btQuaternionFloatData"

Definition at line 26 of file btQuaternion.h.

Function Documentation

btAngle()

btScalar btAngle ( const btQuaternion &  q1, const btQuaternion &  q2  )

inline

Return the angle between two quaternions.

Definition at line 902 of file btQuaternion.h.

dot()

btScalar dot ( const btQuaternion &  q1, const btQuaternion &  q2  )

inline

Calculate the dot product between two quaternions.

Definition at line 888 of file btQuaternion.h.

inverse()

btQuaternion inverse ( const btQuaternion &  q )

inline

Return the inverse of a quaternion.

Definition at line 909 of file btQuaternion.h.

length()

btScalar length ( const btQuaternion &  q )

inline

Return the length of a quaternion.

Definition at line 895 of file btQuaternion.h.

operator*() [1/3]

btQuaternion operator* ( const btQuaternion &  q, const btVector3 &  w  )

inline

Definition at line 721 of file btQuaternion.h.

operator*() [2/3]

btQuaternion operator* ( const btQuaternion &  q1, const btQuaternion &  q2  )

inline

Return the product of two quaternions.

Definition at line 633 of file btQuaternion.h.

operator*() [3/3]

btQuaternion operator* ( const btVector3 &  w, const btQuaternion &  q  )

inline

Definition at line 804 of file btQuaternion.h.

quatRotate()

btVector3 quatRotate ( const btQuaternion &  rotation, const btVector3 &  v  )

inline

Definition at line 926 of file btQuaternion.h.

shortestArcQuat()

btQuaternion shortestArcQuat ( const btVector3 &  v0, const btVector3 &  v1  )

inline

Definition at line 940 of file btQuaternion.h.

shortestArcQuatNormalize2()

btQuaternion shortestArcQuatNormalize2 ( btVector3 &  v0, btVector3 &  v1  )

inline

Definition at line 959 of file btQuaternion.h.

slerp()

btQuaternion slerp ( const btQuaternion &  q1, const btQuaternion &  q2, const btScalar &  t  )

inline

Return the result of spherical linear interpolation betwen two quaternions.

Parameters

q1	The first quaternion
q2	The second quaternion
t	The ration between q1 and q2. t = 0 return q1, t=1 returns q2 Slerp assumes constant velocity between positions.

Definition at line 920 of file btQuaternion.h.