Panda3D
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This is a unit quaternion representing a rotation. More...
#include "lrotation.h"
Public Types | |
typedef const double * | const_iterator |
typedef const double * | iterator |
Public Member Functions | |
LRotationd (const LQuaterniond &) | |
LRotationd (double, double, double, double) | |
LRotationd (double, double, double) | |
Sets the rotation from the given Euler angles. | |
LRotationd (const LVector3d &, double) | |
axis + angle (in degrees) | |
LRotationd (const LVecBase4d ©) | |
LRotationd (const LMatrix3d &) | |
lmatrix3 | |
LRotationd (const LMatrix4d &) | |
lmatrix4 | |
size_t | add_hash (size_t hash) const |
Adds the vector into the running hash. | |
size_t | add_hash (size_t hash, double threshold) const |
Adds the vector into the running hash. | |
void | add_to_cell (int i, double value) |
void | add_w (double value) |
void | add_x (double value) |
void | add_y (double value) |
void | add_z (double value) |
bool | almost_equal (const LQuaterniond &other) const |
Returns true if two quaternions are memberwise equal within a default tolerance based on the numeric type. | |
bool | almost_equal (const LQuaterniond &other, double threshold) const |
Returns true if two quaternions are memberwise equal within a specified tolerance. | |
bool | almost_equal (const LVecBase4d &other, double threshold) const |
Returns true if two vectors are memberwise equal within a specified tolerance. | |
bool | almost_equal (const LVecBase4d &other) const |
Returns true if two vectors are memberwise equal within a default tolerance based on the numeric type. | |
bool | almost_same_direction (const LQuaterniond &other, double threshold) const |
Returns true if two quaternions represent the same rotation within a specified tolerance. | |
double | angle_deg (const LQuaterniond &other) const |
Returns the angle between the orientation represented by this quaternion and the other one, expressed in degrees. | |
double | angle_rad (const LQuaterniond &other) const |
Returns the angle between the orientation represented by this quaternion and the other one, expressed in radians. | |
iterator | begin () |
Returns an iterator that may be used to traverse the elements of the matrix, STL-style. | |
const_iterator | begin () const |
Returns an iterator that may be used to traverse the elements of the matrix, STL-style. | |
int | compare_to (const LVecBase4d &other, double threshold) const |
Sorts vectors lexicographically, componentwise. | |
int | compare_to (const LVecBase4d &other) const |
This flavor of compare_to uses a default threshold value based on the numeric type. | |
LQuaterniond | conjugate () const |
Returns the complex conjugate of this quat. | |
bool | conjugate_from (const LQuaterniond &other) |
Computes the conjugate of the other quat, and stores the result in this quat. | |
bool | conjugate_in_place () |
Sets this to be the conjugate of the current quat. | |
double | dot (const LVecBase4d &other) const |
iterator | end () |
Returns an iterator that may be used to traverse the elements of the matrix, STL-style. | |
const_iterator | end () const |
Returns an iterator that may be used to traverse the elements of the matrix, STL-style. | |
void | extract_to_matrix (LMatrix3d &m) const |
Based on the quat lib from VRPN. | |
void | extract_to_matrix (LMatrix4d &m) const |
Based on the quat lib from VRPN. | |
void | fill (double fill_value) |
Sets each element of the vector to the indicated fill_value. | |
LVecBase4d | fmax (const LVecBase4d &other) |
LVecBase4d | fmin (const LVecBase4d &other) |
void | generate_hash (ChecksumHashGenerator &hashgen) const |
Adds the vector to the indicated hash generator. | |
void | generate_hash (ChecksumHashGenerator &hashgen, double threshold) const |
Adds the vector to the indicated hash generator. | |
double | get_angle () const |
This, along with get_axis(), returns the rotation represented by the quaternion as an angle about an arbitrary axis. | |
double | get_angle_rad () const |
This, along with get_axis(), returns the rotation represented by the quaternion as an angle about an arbitrary axis. | |
LVector3d | get_axis () const |
This, along with get_angle(), returns the rotation represented by the quaternion as an angle about an arbitrary axis. | |
LVector3d | get_axis_normalized () const |
This, along with get_angle(), returns the rotation represented by the quaternion as an angle about an arbitrary axis. | |
double | get_cell (int i) const |
const double * | get_data () const |
Returns the address of the first of the four data elements in the vector. | |
LVector3d | get_forward (CoordinateSystem cs=CS_default) const |
Returns the orientation represented by this quaternion, expressed as a forward vector. | |
size_t | get_hash (double threshold) const |
Returns a suitable hash for phash_map. | |
size_t | get_hash () const |
Returns a suitable hash for phash_map. | |
LVecBase3d | get_hpr (CoordinateSystem cs=CS_default) const |
Extracts the equivalent Euler angles from the unit quaternion. | |
double | get_i () const |
double | get_j () const |
double | get_k () const |
int | get_num_components () const |
Returns the number of elements in the vector, four. | |
double | get_r () const |
LVector3d | get_right (CoordinateSystem cs=CS_default) const |
Returns the orientation represented by this quaternion, expressed as a right vector. | |
LVector3d | get_up (CoordinateSystem cs=CS_default) const |
Returns the orientation represented by this quaternion, expressed as an up vector. | |
double | get_w () const |
double | get_x () const |
double | get_y () const |
double | get_z () const |
bool | invert_from (const LQuaterniond &other) |
Computes the inverse of the other quat, and stores the result in this quat. | |
bool | invert_in_place () |
Inverts the current quat. | |
bool | is_almost_identity (double tolerance) const |
Returns true if this quaternion represents the identity transformation within a given tolerance. | |
bool | is_identity () const |
Returns true if this quaternion represents the identity transformation: no rotation. | |
bool | is_nan () const |
Returns true if any component of the vector is not-a-number, false otherwise. | |
bool | is_same_direction (const LQuaterniond &other) const |
Returns true if two quaternions represent the same rotation within a default tolerance based on the numeric type. | |
double | length () const |
Returns the length of the vector, by the Pythagorean theorem. | |
double | length_squared () const |
Returns the square of the vector's length, cheap and easy. | |
LQuaterniond | multiply (const LQuaterniond &rhs) const |
actual multiply call (non virtual) | |
bool | normalize () |
Normalizes the vector in place. | |
bool | operator!= (const LVecBase4d &other) const |
LRotationd | operator* (double scalar) const |
LQuaterniond | operator* (const LQuaterniond &other) const |
Rotation * Orientation = Orientation This is another meaningless operation, attempting to apply an orientation to a rotation. | |
LRotationd | operator* (const LRotationd &other) const |
Rotation * Rotation = Rotation. | |
LMatrix4d | operator* (const LMatrix4d &) |
Quat * Matrix = matrix. | |
LMatrix3d | operator* (const LMatrix3d &) |
Quat * Matrix = matrix. | |
void | operator*= (double scalar) |
LQuaterniond & | operator*= (const LQuaterniond &) |
LQuaterniond | operator+ (const LQuaterniond &other) const |
LVecBase4d | operator+ (const LVecBase4d &other) const |
void | operator+= (const LVecBase4d &other) |
LQuaterniond | operator- (const LQuaterniond &other) const |
LVecBase4d | operator- (const LVecBase4d &other) const |
LQuaterniond | operator- () const |
void | operator-= (const LVecBase4d &other) |
LRotationd | operator/ (double scalar) const |
void | operator/= (double scalar) |
bool | operator< (const LVecBase4d &other) const |
This performs a lexicographical comparison. | |
bool | operator== (const LVecBase4d &other) const |
double | operator[] (int i) const |
double & | operator[] (int i) |
void | output (ostream &) const |
LVecBase4d | project (const LVecBase4d &onto) const |
Returns a new vector representing the projection of this vector onto another one. | |
void | read_datagram (DatagramIterator &source) |
Function to read itself from a datagramIterator. | |
void | set (double x, double y, double z, double w) |
void | set_cell (int i, double value) |
void | set_from_axis_angle (double angle_deg, const LVector3d &axis) |
angle_deg is the angle about the axis in degrees. | |
void | set_from_axis_angle_rad (double angle_rad, const LVector3d &axis) |
angle_rad is the angle about the axis in radians. | |
void | set_from_matrix (const LMatrix4d &m) |
void | set_from_matrix (const LMatrix3d &m) |
Sets the quaternion according to the rotation represented by the matrix. | |
void | set_hpr (const LVecBase3d &hpr, CoordinateSystem cs=CS_default) |
Sets the quaternion as the unit quaternion that is equivalent to these Euler angles. | |
void | set_i (double i) |
void | set_j (double j) |
void | set_k (double k) |
void | set_r (double r) |
void | set_w (double value) |
void | set_x (double value) |
void | set_y (double value) |
void | set_z (double value) |
void | write_datagram (Datagram &destination) const |
Function to write itself into a datagram. | |
LVecBase3d | xform (const LVecBase3d &v) const |
Transforms a 3-d vector by the indicated rotation. | |
LVecBase4d | xform (const LVecBase4d &v) const |
Transforms a 4-d vector by the indicated rotation. | |
Static Public Member Functions | |
static TypeHandle | get_class_type () |
static const LQuaterniond & | ident_quat () |
Returns an identity quaternion. | |
static void | init_type () |
static LQuaterniond | pure_imaginary (const LVector3d &) |
static int | size () |
Returns 4: the number of components of a LVecBase4. | |
static const LVecBase4d & | unit_w () |
Returns a unit W vector. | |
static const LVecBase4d & | unit_x () |
Returns a unit X vector. | |
static const LVecBase4d & | unit_y () |
Returns a unit Y vector. | |
static const LVecBase4d & | unit_z () |
Returns a unit Z vector. | |
static const LVecBase4d & | zero () |
Returns a zero-length vector. | |
Public Attributes | |
union { | |
double data [4] | |
struct { | |
double _0 | |
double _1 | |
double _2 | |
double _3 | |
} v | |
} | _v |
This is a unit quaternion representing a rotation.
Definition at line 323 of file lrotation.h.
LRotationd::LRotationd | ( | const LVector3d & | axis, |
double | angle | ||
) | [inline] |
axis + angle (in degrees)
Definition at line 431 of file lrotation.h.
LRotationd::LRotationd | ( | const LMatrix3d & | m | ) | [inline] |
lmatrix3
Definition at line 411 of file lrotation.h.
LRotationd::LRotationd | ( | const LMatrix4d & | m | ) | [inline] |
lmatrix4
Definition at line 421 of file lrotation.h.
LRotationd::LRotationd | ( | double | h, |
double | p, | ||
double | r | ||
) | [inline] |
Sets the rotation from the given Euler angles.
Definition at line 448 of file lrotation.h.
size_t LVecBase4d::add_hash | ( | size_t | hash | ) | const [inline, inherited] |
Adds the vector into the running hash.
Definition at line 2022 of file lvecBase4.h.
size_t LVecBase4d::add_hash | ( | size_t | hash, |
double | threshold | ||
) | const [inline, inherited] |
Adds the vector into the running hash.
Definition at line 2033 of file lvecBase4.h.
bool LQuaterniond::almost_equal | ( | const LQuaterniond & | other | ) | const [inline, inherited] |
Returns true if two quaternions are memberwise equal within a default tolerance based on the numeric type.
Definition at line 1321 of file lquaternion.h.
bool LQuaterniond::almost_equal | ( | const LQuaterniond & | other, |
double | threshold | ||
) | const [inline, inherited] |
Returns true if two quaternions are memberwise equal within a specified tolerance.
Definition at line 1332 of file lquaternion.h.
bool LVecBase4d::almost_equal | ( | const LVecBase4d & | other, |
double | threshold | ||
) | const [inline, inherited] |
Returns true if two vectors are memberwise equal within a specified tolerance.
Definition at line 2194 of file lvecBase4.h.
bool LVecBase4d::almost_equal | ( | const LVecBase4d & | other | ) | const [inline, inherited] |
Returns true if two vectors are memberwise equal within a default tolerance based on the numeric type.
Definition at line 2209 of file lvecBase4.h.
bool LQuaterniond::almost_same_direction | ( | const LQuaterniond & | other, |
double | threshold | ||
) | const [inline, inherited] |
Returns true if two quaternions represent the same rotation within a specified tolerance.
Definition at line 1359 of file lquaternion.h.
double LQuaterniond::angle_deg | ( | const LQuaterniond & | other | ) | const [inline, inherited] |
Returns the angle between the orientation represented by this quaternion and the other one, expressed in degrees.
Definition at line 1238 of file lquaternion.h.
double LQuaterniond::angle_rad | ( | const LQuaterniond & | other | ) | const [inline, inherited] |
Returns the angle between the orientation represented by this quaternion and the other one, expressed in radians.
Definition at line 1226 of file lquaternion.h.
LVecBase4d::iterator LVecBase4d::begin | ( | ) | [inline, inherited] |
Returns an iterator that may be used to traverse the elements of the matrix, STL-style.
Definition at line 1781 of file lvecBase4.h.
LVecBase4d::const_iterator LVecBase4d::begin | ( | ) | const [inline, inherited] |
Returns an iterator that may be used to traverse the elements of the matrix, STL-style.
Definition at line 1803 of file lvecBase4.h.
int LVecBase4d::compare_to | ( | const LVecBase4d & | other | ) | const [inline, inherited] |
This flavor of compare_to uses a default threshold value based on the numeric type.
Definition at line 1962 of file lvecBase4.h.
Referenced by EggVertex::compare_to().
int LVecBase4d::compare_to | ( | const LVecBase4d & | other, |
double | threshold | ||
) | const [inline, inherited] |
Sorts vectors lexicographically, componentwise.
Returns a number less than 0 if this vector sorts before the other one, greater than zero if it sorts after, 0 if they are equivalent (within the indicated tolerance).
Definition at line 1977 of file lvecBase4.h.
LQuaterniond LQuaterniond::conjugate | ( | ) | const [inline, inherited] |
Returns the complex conjugate of this quat.
Definition at line 1612 of file lquaternion.h.
bool LQuaterniond::conjugate_from | ( | const LQuaterniond & | other | ) | [inline, inherited] |
Computes the conjugate of the other quat, and stores the result in this quat.
This is a fully general operation and makes no assumptions about the type of transform represented by the quat.
The other quat must be a different object than this quat. However, if you need to get a conjugate of a quat in place, see conjugate_in_place.
The return value is true if the quat was successfully inverted, false if there was a singularity.
Definition at line 1633 of file lquaternion.h.
bool LQuaterniond::conjugate_in_place | ( | ) | [inline, inherited] |
Sets this to be the conjugate of the current quat.
Returns true if the successful, false if the quat was singular.
Definition at line 1646 of file lquaternion.h.
LVecBase4d::iterator LVecBase4d::end | ( | ) | [inline, inherited] |
Returns an iterator that may be used to traverse the elements of the matrix, STL-style.
Definition at line 1792 of file lvecBase4.h.
LVecBase4d::const_iterator LVecBase4d::end | ( | ) | const [inline, inherited] |
Returns an iterator that may be used to traverse the elements of the matrix, STL-style.
Definition at line 1814 of file lvecBase4.h.
void LQuaterniond::extract_to_matrix | ( | LMatrix3d & | m | ) | const [inherited] |
Based on the quat lib from VRPN.
Definition at line 475 of file lquaternion.cxx.
void LQuaterniond::extract_to_matrix | ( | LMatrix4d & | m | ) | const [inherited] |
Based on the quat lib from VRPN.
Definition at line 496 of file lquaternion.cxx.
void LVecBase4d::fill | ( | double | fill_value | ) | [inline, inherited] |
Sets each element of the vector to the indicated fill_value.
This is particularly useful for initializing to zero.
Definition at line 1826 of file lvecBase4.h.
void LVecBase4d::generate_hash | ( | ChecksumHashGenerator & | hashgen | ) | const [inline, inherited] |
Adds the vector to the indicated hash generator.
Definition at line 2249 of file lvecBase4.h.
void LVecBase4d::generate_hash | ( | ChecksumHashGenerator & | hashgen, |
double | threshold | ||
) | const [inline, inherited] |
Adds the vector to the indicated hash generator.
Definition at line 2260 of file lvecBase4.h.
double LQuaterniond::get_angle | ( | ) | const [inline, inherited] |
This, along with get_axis(), returns the rotation represented by the quaternion as an angle about an arbitrary axis.
This returns the angle, in degrees counterclockwise about the axis.
It is necessary to ensure the quaternion has been normalized (for instance, with a call to normalize()) before calling this method.
Definition at line 1444 of file lquaternion.h.
Referenced by EggTransform::add_rotate3d().
double LQuaterniond::get_angle_rad | ( | ) | const [inline, inherited] |
This, along with get_axis(), returns the rotation represented by the quaternion as an angle about an arbitrary axis.
This returns the angle, in radians counterclockwise about the axis.
It is necessary to ensure the quaternion has been normalized (for instance, with a call to normalize()) before calling this method.
Definition at line 1427 of file lquaternion.h.
LVector3d LQuaterniond::get_axis | ( | ) | const [inline, inherited] |
This, along with get_angle(), returns the rotation represented by the quaternion as an angle about an arbitrary axis.
This returns the axis; it is not normalized.
Definition at line 1396 of file lquaternion.h.
Referenced by EggTransform::add_rotate3d().
LVector3d LQuaterniond::get_axis_normalized | ( | ) | const [inline, inherited] |
This, along with get_angle(), returns the rotation represented by the quaternion as an angle about an arbitrary axis.
This returns the normalized axis.
Definition at line 1408 of file lquaternion.h.
const double * LVecBase4d::get_data | ( | ) | const [inline, inherited] |
Returns the address of the first of the four data elements in the vector.
The remaining elements occupy the next positions consecutively in memory.
Definition at line 1760 of file lvecBase4.h.
Referenced by XFileDataObject::set().
LVector3d LQuaterniond::get_forward | ( | CoordinateSystem | cs = CS_default | ) | const [inline, inherited] |
Returns the orientation represented by this quaternion, expressed as a forward vector.
Definition at line 1504 of file lquaternion.h.
size_t LVecBase4d::get_hash | ( | ) | const [inline, inherited] |
Returns a suitable hash for phash_map.
Definition at line 2000 of file lvecBase4.h.
size_t LVecBase4d::get_hash | ( | double | threshold | ) | const [inline, inherited] |
Returns a suitable hash for phash_map.
Definition at line 2011 of file lvecBase4.h.
LVecBase3d LQuaterniond::get_hpr | ( | CoordinateSystem | cs = CS_default | ) | const [inherited] |
Extracts the equivalent Euler angles from the unit quaternion.
Definition at line 570 of file lquaternion.cxx.
int LVecBase4d::get_num_components | ( | ) | const [inline, inherited] |
Returns the number of elements in the vector, four.
Definition at line 1770 of file lvecBase4.h.
LVector3d LQuaterniond::get_right | ( | CoordinateSystem | cs = CS_default | ) | const [inline, inherited] |
Returns the orientation represented by this quaternion, expressed as a right vector.
Definition at line 1493 of file lquaternion.h.
LVector3d LQuaterniond::get_up | ( | CoordinateSystem | cs = CS_default | ) | const [inline, inherited] |
Returns the orientation represented by this quaternion, expressed as an up vector.
Definition at line 1482 of file lquaternion.h.
const LQuaterniond & LQuaterniond::ident_quat | ( | ) | [inline, static, inherited] |
Returns an identity quaternion.
Definition at line 1718 of file lquaternion.h.
bool LQuaterniond::invert_from | ( | const LQuaterniond & | other | ) | [inline, inherited] |
Computes the inverse of the other quat, and stores the result in this quat.
This is a fully general operation and makes no assumptions about the type of transform represented by the quat.
The other quat must be a different object than this quat. However, if you need to invert a quat in place, see invert_in_place.
The return value is true if the quat was successfully inverted, false if there was a singularity.
Definition at line 1671 of file lquaternion.h.
bool LQuaterniond::invert_in_place | ( | ) | [inline, inherited] |
Inverts the current quat.
Returns true if the inverse is successful, false if the quat was singular.
Definition at line 1684 of file lquaternion.h.
bool LQuaterniond::is_almost_identity | ( | double | tolerance | ) | const [inline, inherited] |
Returns true if this quaternion represents the identity transformation within a given tolerance.
Definition at line 1707 of file lquaternion.h.
bool LQuaterniond::is_identity | ( | ) | const [inline, inherited] |
Returns true if this quaternion represents the identity transformation: no rotation.
Definition at line 1696 of file lquaternion.h.
bool LVecBase4d::is_nan | ( | ) | const [inline, inherited] |
Returns true if any component of the vector is not-a-number, false otherwise.
Definition at line 1594 of file lvecBase4.h.
bool LQuaterniond::is_same_direction | ( | const LQuaterniond & | other | ) | const [inline, inherited] |
Returns true if two quaternions represent the same rotation within a default tolerance based on the numeric type.
Definition at line 1348 of file lquaternion.h.
double LVecBase4d::length | ( | ) | const [inline, inherited] |
Returns the length of the vector, by the Pythagorean theorem.
Definition at line 1855 of file lvecBase4.h.
double LVecBase4d::length_squared | ( | ) | const [inline, inherited] |
Returns the square of the vector's length, cheap and easy.
Definition at line 1866 of file lvecBase4.h.
LQuaterniond LQuaterniond::multiply | ( | const LQuaterniond & | rhs | ) | const [inline, inherited] |
actual multiply call (non virtual)
Definition at line 1179 of file lquaternion.h.
bool LQuaterniond::normalize | ( | ) | [inline, inherited] |
Normalizes the vector in place.
Returns true if the vector was normalized, false if it was a zero-length vector.
Reimplemented from LVecBase4d.
Definition at line 1595 of file lquaternion.h.
Quat * Matrix = matrix.
Definition at line 1301 of file lquaternion.h.
Quat * Matrix = matrix.
Definition at line 1289 of file lquaternion.h.
LQuaterniond LRotationd::operator* | ( | const LQuaterniond & | other | ) | const [inline] |
Rotation * Orientation = Orientation This is another meaningless operation, attempting to apply an orientation to a rotation.
Reimplemented from LQuaterniond.
Definition at line 490 of file lrotation.h.
LRotationd LRotationd::operator* | ( | const LRotationd & | other | ) | const [inline] |
Rotation * Rotation = Rotation.
Definition at line 478 of file lrotation.h.
bool LVecBase4d::operator< | ( | const LVecBase4d & | other | ) | const [inline, inherited] |
This performs a lexicographical comparison.
It's of questionable mathematical meaning, but sometimes has a practical purpose for sorting unique vectors, especially in an STL container. Also see compare_to().
Definition at line 1926 of file lvecBase4.h.
LVecBase4d LVecBase4d::project | ( | const LVecBase4d & | onto | ) | const [inline, inherited] |
Returns a new vector representing the projection of this vector onto another one.
The resulting vector will be a scalar multiple of onto.
Reimplemented in LPoint4d, and LVector4d.
Definition at line 1912 of file lvecBase4.h.
void LVecBase4d::read_datagram | ( | DatagramIterator & | source | ) | [inline, inherited] |
Function to read itself from a datagramIterator.
Definition at line 2294 of file lvecBase4.h.
void LQuaterniond::set_from_axis_angle | ( | double | angle_deg, |
const LVector3d & | axis | ||
) | [inline, inherited] |
angle_deg is the angle about the axis in degrees.
axis must be normalized.
Definition at line 1471 of file lquaternion.h.
void LQuaterniond::set_from_axis_angle_rad | ( | double | angle_rad, |
const LVector3d & | axis | ||
) | [inline, inherited] |
angle_rad is the angle about the axis in radians.
axis must be normalized.
Definition at line 1455 of file lquaternion.h.
void LQuaterniond::set_from_matrix | ( | const LMatrix3d & | m | ) | [inherited] |
Sets the quaternion according to the rotation represented by the matrix.
Originally we tried an algorithm presented by Do-While Jones, but that turned out to be broken. This is based on the quat lib from UNC.
Definition at line 674 of file lquaternion.cxx.
void LQuaterniond::set_hpr | ( | const LVecBase3d & | hpr, |
CoordinateSystem | cs = CS_default |
||
) | [inherited] |
Sets the quaternion as the unit quaternion that is equivalent to these Euler angles.
(from Real-time Rendering, p.49)
Definition at line 520 of file lquaternion.cxx.
int LVecBase4d::size | ( | ) | [inline, static, inherited] |
Returns 4: the number of components of a LVecBase4.
Definition at line 1583 of file lvecBase4.h.
const LVecBase4d & LVecBase4d::unit_w | ( | ) | [inline, static, inherited] |
Returns a unit W vector.
Reimplemented in LPoint4d, and LVector4d.
Definition at line 1538 of file lvecBase4.h.
const LVecBase4d & LVecBase4d::unit_x | ( | ) | [inline, static, inherited] |
Returns a unit X vector.
Reimplemented in LPoint4d, and LVector4d.
Definition at line 1508 of file lvecBase4.h.
const LVecBase4d & LVecBase4d::unit_y | ( | ) | [inline, static, inherited] |
Returns a unit Y vector.
Reimplemented in LPoint4d, and LVector4d.
Definition at line 1518 of file lvecBase4.h.
const LVecBase4d & LVecBase4d::unit_z | ( | ) | [inline, static, inherited] |
Returns a unit Z vector.
Reimplemented in LPoint4d, and LVector4d.
Definition at line 1528 of file lvecBase4.h.
void LVecBase4d::write_datagram | ( | Datagram & | destination | ) | const [inline, inherited] |
Function to write itself into a datagram.
Definition at line 2274 of file lvecBase4.h.
LVecBase3d LQuaterniond::xform | ( | const LVecBase3d & | v | ) | const [inline, inherited] |
Transforms a 3-d vector by the indicated rotation.
Definition at line 1147 of file lquaternion.h.
LVecBase4d LQuaterniond::xform | ( | const LVecBase4d & | v | ) | const [inline, inherited] |
Transforms a 4-d vector by the indicated rotation.
Definition at line 1163 of file lquaternion.h.
const LVecBase4d & LVecBase4d::zero | ( | ) | [inline, static, inherited] |
Returns a zero-length vector.
Reimplemented in LPoint4d, and LVector4d.
Definition at line 1498 of file lvecBase4.h.
Referenced by PNMImage::get_average_xel_a().