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LRotationd Class Reference

This is a unit quaternion representing a rotation. More...

#include "lrotation.h"

Inheritance diagram for LRotationd:
LQuaterniond LVecBase4d

Public Member Functions

 LRotationd (const LQuaterniond &c)
 
 LRotationd (const LVecBase4d &copy)
 
 LRotationd (double r, double i, double j, double k)
 
 LRotationd (const LVector3d &axis, double angle)
 axis + angle (in degrees) More...
 
 LRotationd (const LMatrix3d &m)
 lmatrix3 More...
 
 LRotationd (const LMatrix4d &m)
 lmatrix4 More...
 
 LRotationd (double h, double p, double r)
 Sets the rotation from the given Euler angles. More...
 
LRotationd operator* (double scalar) const
 
LRotationd operator* (const LRotationd &other) const
 Rotation * Rotation = Rotation. More...
 
LQuaterniond operator* (const LQuaterniond &other) const
 Rotation * Orientation = Orientation This is another meaningless operation, attempting to apply an orientation to a rotation. More...
 
LRotationd operator/ (double scalar) const
 
- Public Member Functions inherited from LQuaterniond
 LQuaterniond (const LVecBase4d &copy)
 
 LQuaterniond (double r, const LVecBase3d &copy)
 
 LQuaterniond (double r, double i, double j, double k)
 
bool almost_equal (const LQuaterniond &other) const
 Returns true if two quaternions are memberwise equal within a default tolerance based on the numeric type. More...
 
bool almost_equal (const LQuaterniond &other, double threshold) const
 Returns true if two quaternions are memberwise equal within a specified tolerance. More...
 
bool almost_same_direction (const LQuaterniond &other, double threshold) const
 Returns true if two quaternions represent the same rotation within a specified tolerance. More...
 
double angle_deg (const LQuaterniond &other) const
 Returns the angle between the orientation represented by this quaternion and the other one, expressed in degrees. More...
 
double angle_rad (const LQuaterniond &other) const
 Returns the angle between the orientation represented by this quaternion and the other one, expressed in radians. More...
 
LQuaterniond conjugate () const
 Returns the complex conjugate of this quat. More...
 
bool conjugate_from (const LQuaterniond &other)
 Computes the conjugate of the other quat, and stores the result in this quat. More...
 
bool conjugate_in_place ()
 Sets this to be the conjugate of the current quat. More...
 
void extract_to_matrix (LMatrix3d &m) const
 
void extract_to_matrix (LMatrix4d &m) const
 
double get_angle () const
 This, along with get_axis(), returns the rotation represented by the quaternion as an angle about an arbitrary axis. More...
 
double get_angle_rad () const
 This, along with get_axis(), returns the rotation represented by the quaternion as an angle about an arbitrary axis. More...
 
LVector3d get_axis () const
 This, along with get_angle(), returns the rotation represented by the quaternion as an angle about an arbitrary axis. More...
 
LVector3d get_axis_normalized () const
 This, along with get_angle(), returns the rotation represented by the quaternion as an angle about an arbitrary axis. More...
 
LVector3d get_forward (CoordinateSystem cs=CS_default) const
 Returns the orientation represented by this quaternion, expressed as a forward vector. More...
 
LVecBase3d get_hpr (CoordinateSystem cs=CS_default) const
 
double get_i () const
 
double get_j () const
 
double get_k () const
 
double get_r () const
 
LVector3d get_right (CoordinateSystem cs=CS_default) const
 Returns the orientation represented by this quaternion, expressed as a right vector. More...
 
LVector3d get_up (CoordinateSystem cs=CS_default) const
 Returns the orientation represented by this quaternion, expressed as an up vector. More...
 
bool invert_from (const LQuaterniond &other)
 Computes the inverse of the other quat, and stores the result in this quat. More...
 
bool invert_in_place ()
 Inverts the current quat. More...
 
bool is_almost_identity (double tolerance) const
 Returns true if this quaternion represents the identity transformation within a given tolerance. More...
 
bool is_identity () const
 Returns true if this quaternion represents the identity transformation: no rotation. More...
 
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. More...
 
LQuaterniond multiply (const LQuaterniond &rhs) const
 actual multiply call (non virtual) More...
 
bool normalize ()
 
LQuaterniond operator* (double scalar) const
 
LQuaterniond operator* (const LQuaterniond &) const
 
LMatrix3d operator* (const LMatrix3d &)
 Quat * Matrix = matrix. More...
 
LMatrix4d operator* (const LMatrix4d &)
 Quat * Matrix = matrix. More...
 
LQuaterniondoperator*= (const LQuaterniond &)
 
LQuaterniond operator+ (const LQuaterniond &other) const
 
LQuaterniond operator- () const
 
LQuaterniond operator- (const LQuaterniond &other) const
 
LQuaterniond operator/ (double scalar) const
 
void output (ostream &) const
 
void set_from_axis_angle (double angle_deg, const LVector3d &axis)
 angle_deg is the angle about the axis in degrees. More...
 
void set_from_axis_angle_rad (double angle_rad, const LVector3d &axis)
 angle_rad is the angle about the axis in radians. More...
 
void set_from_matrix (const LMatrix3d &m)
 
void set_from_matrix (const LMatrix4d &m)
 
void set_hpr (const LVecBase3d &hpr, CoordinateSystem cs=CS_default)
 
void set_i (double i)
 
void set_j (double j)
 
void set_k (double k)
 
void set_r (double r)
 
LVecBase3d xform (const LVecBase3d &v) const
 Transforms a 3-d vector by the indicated rotation. More...
 
LVecBase4d xform (const LVecBase4d &v) const
 Transforms a 4-d vector by the indicated rotation. More...
 
- Public Member Functions inherited from LVecBase4d
 LVecBase4d (const LVecBase4d &copy)
 
 LVecBase4d (const UnalignedLVecBase4d &copy)
 
 LVecBase4d (double fill_value)
 
 LVecBase4d (double x, double y, double z, double w)
 
 LVecBase4d (const LVecBase3d &copy, double w)
 
 LVecBase4d (const LPoint3d &point)
 Constructs an LVecBase4 from an LPoint3. More...
 
 LVecBase4d (const LVector3d &vector)
 Constructs an LVecBase4 from an LVector3. More...
 
 LVecBase4d (const EVector4 &v)
 
size_t add_hash (size_t hash) const
 Adds the vector into the running hash. More...
 
size_t add_hash (size_t hash, double threshold) const
 Adds the vector into the running hash. More...
 
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 LVecBase4d &other, double threshold) const
 Returns true if two vectors are memberwise equal within a specified tolerance. More...
 
bool almost_equal (const LVecBase4d &other) const
 Returns true if two vectors are memberwise equal within a default tolerance based on the numeric type. More...
 
iterator begin ()
 Returns an iterator that may be used to traverse the elements of the matrix, STL-style. More...
 
const_iterator begin () const
 Returns an iterator that may be used to traverse the elements of the matrix, STL-style. More...
 
int compare_to (const LVecBase4d &other) const
 This flavor of compare_to uses a default threshold value based on the numeric type. More...
 
int compare_to (const LVecBase4d &other, double threshold) const
 Sorts vectors lexicographically, componentwise. More...
 
void componentwise_mult (const LVecBase4d &other)
 
double dot (const LVecBase4d &other) const
 
iterator end ()
 Returns an iterator that may be used to traverse the elements of the matrix, STL-style. More...
 
const_iterator end () const
 Returns an iterator that may be used to traverse the elements of the matrix, STL-style. More...
 
void extract_data (float *)
 
void fill (double fill_value)
 Sets each element of the vector to the indicated fill_value. More...
 
LVecBase4d fmax (const LVecBase4d &other) const
 
LVecBase4d fmin (const LVecBase4d &other) const
 
void generate_hash (ChecksumHashGenerator &hashgen) const
 Adds the vector to the indicated hash generator. More...
 
void generate_hash (ChecksumHashGenerator &hashgen, double threshold) const
 Adds the vector to the indicated hash generator. More...
 
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. More...
 
size_t get_hash () const
 Returns a suitable hash for phash_map. More...
 
size_t get_hash (double threshold) const
 Returns a suitable hash for phash_map. More...
 
int get_num_components () const
 Returns the number of elements in the vector, four. More...
 
double get_w () const
 
double get_x () const
 
double get_y () const
 
double get_z () const
 
bool is_nan () const
 Returns true if any component of the vector is not-a-number, false otherwise. More...
 
double length () const
 Returns the length of the vector, by the Pythagorean theorem. More...
 
double length_squared () const
 Returns the square of the vector's length, cheap and easy. More...
 
bool normalize ()
 Normalizes the vector in place. More...
 
bool operator!= (const LVecBase4d &other) const
 
LVecBase4d operator* (double scalar) const
 
void operator*= (double scalar)
 
LVecBase4d operator+ (const LVecBase4d &other) const
 
void operator+= (const LVecBase4d &other)
 
LVecBase4d operator- () const
 
LVecBase4d operator- (const LVecBase4d &other) const
 
void operator-= (const LVecBase4d &other)
 
LVecBase4d operator/ (double scalar) const
 
void operator/= (double scalar)
 
bool operator< (const LVecBase4d &other) const
 This performs a lexicographical comparison. More...
 
LVecBase4doperator= (const LVecBase4d &copy)
 
LVecBase4doperator= (const UnalignedLVecBase4d &copy)
 
LVecBase4doperator= (double fill_value)
 
bool operator== (const LVecBase4d &other) const
 
double operator[] (int i) const
 
double & operator[] (int i)
 
void output (ostream &out) const
 
LVecBase4d project (const LVecBase4d &onto) const
 Returns a new vector representing the projection of this vector onto another one. More...
 
void read_datagram (DatagramIterator &source)
 Reads the vector from the Datagram using get_stdfloat(). More...
 
void read_datagram_fixed (DatagramIterator &source)
 Reads the vector from the Datagram using get_float32() or get_float64(). More...
 
void set (double x, double y, double z, double w)
 
void set_cell (int i, double value)
 
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
 Writes the vector to the Datagram using add_stdfloat(). More...
 
void write_datagram_fixed (Datagram &destination) const
 Writes the vector to the Datagram using add_float32() or add_float64(), depending on the type of floats in the vector, regardless of the setting of Datagram::set_stdfloat_double(). More...
 

Static Public Member Functions

static TypeHandle get_class_type ()
 
static void init_type ()
 
- Static Public Member Functions inherited from LQuaterniond
static TypeHandle get_class_type ()
 
static const LQuaterniondident_quat ()
 Returns an identity quaternion. More...
 
static void init_type ()
 
static LQuaterniond pure_imaginary (const LVector3d &v)
 
- Static Public Member Functions inherited from LVecBase4d
static TypeHandle get_class_type ()
 
static void init_type ()
 
static int size ()
 Returns 4: the number of components of a LVecBase4. More...
 
static const LVecBase4dunit_w ()
 Returns a unit W vector. More...
 
static const LVecBase4dunit_x ()
 Returns a unit X vector. More...
 
static const LVecBase4dunit_y ()
 Returns a unit Y vector. More...
 
static const LVecBase4dunit_z ()
 Returns a unit Z vector. More...
 
static const LVecBase4dzero ()
 Returns a zero-length vector. More...
 

Additional Inherited Members

- Public Types inherited from LVecBase4d
enum  { num_components = 4, is_int = 0 }
 
typedef const double * const_iterator
 
typedef LSimpleMatrix< double, 1, 4 > EVector4
 
typedef const double * iterator
 
typedef double numeric_type
 
- Public Attributes inherited from LVecBase4d
EVector4 _v
 

Detailed Description

This is a unit quaternion representing a rotation.

Definition at line 334 of file lrotation.h.

Constructor & Destructor Documentation

LRotationd::LRotationd ( const LVector3d axis,
double  angle 
)
inline

axis + angle (in degrees)

Definition at line 442 of file lrotation.h.

LRotationd::LRotationd ( const LMatrix3d m)
inline

lmatrix3

Definition at line 422 of file lrotation.h.

LRotationd::LRotationd ( const LMatrix4d m)
inline

lmatrix4

Definition at line 432 of file lrotation.h.

LRotationd::LRotationd ( double  h,
double  p,
double  r 
)
inline

Sets the rotation from the given Euler angles.

Definition at line 459 of file lrotation.h.

Member Function Documentation

LRotationd LRotationd::operator* ( const LRotationd other) const
inline

Rotation * Rotation = Rotation.

Definition at line 489 of file lrotation.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.

Definition at line 501 of file lrotation.h.


The documentation for this class was generated from the following files: