Bullet Collision Detection & Physics Library
Classes | Macros | Functions
btQuaternion.h File Reference
#include "btVector3.h"
#include "btQuadWord.h"
Include dependency graph for btQuaternion.h:
This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

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. More...
 
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. More...
 
btScalar length (const btQuaternion &q)
 Return the length of a quaternion. More...
 
btScalar btAngle (const btQuaternion &q1, const btQuaternion &q2)
 Return the angle between two quaternions. More...
 
btQuaternion inverse (const btQuaternion &q)
 Return the inverse of a quaternion. More...
 
btQuaternion slerp (const btQuaternion &q1, const btQuaternion &q2, const btScalar &t)
 Return the result of spherical linear interpolation betwen two quaternions. More...
 
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

#define btQuaternionData   btQuaternionFloatData

Definition at line 29 of file btQuaternion.h.

#define btQuaternionDataName   "btQuaternionFloatData"

Definition at line 30 of file btQuaternion.h.

Function Documentation

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

Return the angle between two quaternions.

Definition at line 913 of file btQuaternion.h.

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

Calculate the dot product between two quaternions.

Definition at line 898 of file btQuaternion.h.

btQuaternion inverse ( const btQuaternion q)
inline

Return the inverse of a quaternion.

Definition at line 920 of file btQuaternion.h.

btScalar length ( const btQuaternion q)
inline

Return the length of a quaternion.

Definition at line 906 of file btQuaternion.h.

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

Return the product of two quaternions.

Definition at line 643 of file btQuaternion.h.

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

Definition at line 731 of file btQuaternion.h.

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

Definition at line 814 of file btQuaternion.h.

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

Definition at line 937 of file btQuaternion.h.

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

Definition at line 951 of file btQuaternion.h.

btQuaternion shortestArcQuatNormalize2 ( btVector3 v0,
btVector3 v1 
)
inline

Definition at line 970 of file btQuaternion.h.

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

Return the result of spherical linear interpolation betwen two quaternions.

Parameters
q1The first quaternion
q2The second quaternion
tThe ration between q1 and q2. t = 0 return q1, t=1 returns q2 Slerp assumes constant velocity between positions.

Definition at line 931 of file btQuaternion.h.