Assimp  v2.0 (November 2010)
Public Member Functions | Static Public Member Functions | Public Attributes
aiQuaternion Struct Reference

Represents a quaternion in a 4D vector. More...

List of all members.

Public Member Functions

 aiQuaternion ()
 aiQuaternion (float _w, float _x, float _y, float _z)
 aiQuaternion (const aiMatrix3x3 &pRotMatrix)
 Construct from rotation matrix.
 aiQuaternion (float rotx, float roty, float rotz)
 Construct from euler angles.
 aiQuaternion (aiVector3D axis, float angle)
 Construct from an axis-angle pair.
 aiQuaternion (aiVector3D normalized)
 Construct from a normalized quaternion stored in a vec3.
aiQuaternionConjugate ()
 Compute quaternion conjugate.
aiMatrix3x3 GetMatrix () const
 Returns a matrix representation of the quaternion.
aiQuaternionNormalize ()
 Normalize the quaternion.
bool operator!= (const aiQuaternion &o) const
aiQuaternion operator* (const aiQuaternion &two) const
 Multiply two quaternions.
bool operator== (const aiQuaternion &o) const
aiVector3D Rotate (const aiVector3D &in)
 Rotate a point by this quaternion.

Static Public Member Functions

static void Interpolate (aiQuaternion &pOut, const aiQuaternion &pStart, const aiQuaternion &pEnd, float pFactor)
 Performs a spherical interpolation between two quaternions and writes the result into the third.

Public Attributes

float w
 w,x,y,z components of the quaternion
float x
float y
float z

Detailed Description

Represents a quaternion in a 4D vector.


Constructor & Destructor Documentation

aiQuaternion::aiQuaternion ( ) [inline]
aiQuaternion::aiQuaternion ( float  _w,
float  _x,
float  _y,
float  _z 
) [inline]
aiQuaternion::aiQuaternion ( const aiMatrix3x3 pRotMatrix) [inline]

Construct from rotation matrix.

Result is undefined if the matrix is not orthonormal.

aiQuaternion::aiQuaternion ( float  rotx,
float  roty,
float  rotz 
) [inline]

Construct from euler angles.

aiQuaternion::aiQuaternion ( aiVector3D  axis,
float  angle 
) [inline]

Construct from an axis-angle pair.

aiQuaternion::aiQuaternion ( aiVector3D  normalized) [inline]

Construct from a normalized quaternion stored in a vec3.


Member Function Documentation

aiQuaternion & aiQuaternion::Conjugate ( ) [inline]

Compute quaternion conjugate.

aiMatrix3x3 aiQuaternion::GetMatrix ( ) const [inline]

Returns a matrix representation of the quaternion.

void aiQuaternion::Interpolate ( aiQuaternion pOut,
const aiQuaternion pStart,
const aiQuaternion pEnd,
float  pFactor 
) [inline, static]

Performs a spherical interpolation between two quaternions and writes the result into the third.

Parameters:
pOutTarget object to received the interpolated rotation.
pStartStart rotation of the interpolation at factor == 0.
pEndEnd rotation, factor == 1.
pFactorInterpolation factor between 0 and 1. Values outside of this range yield undefined results.
aiQuaternion & aiQuaternion::Normalize ( ) [inline]

Normalize the quaternion.

bool aiQuaternion::operator!= ( const aiQuaternion o) const [inline]
aiQuaternion aiQuaternion::operator* ( const aiQuaternion two) const [inline]

Multiply two quaternions.

bool aiQuaternion::operator== ( const aiQuaternion o) const [inline]
aiVector3D aiQuaternion::Rotate ( const aiVector3D in) [inline]

Rotate a point by this quaternion.


Member Data Documentation

w,x,y,z components of the quaternion


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