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LVector4f Class Reference

This is a four-component vector distance. More...

#include "lvector4.h"

Inheritance diagram for LVector4f:
LVecBase4f

Public Member Functions

 LVector4f (const LVecBase4f &copy)
 
 LVector4f (float fill_value)
 
 LVector4f (float x, float y, float z, float w)
 
 LVector4f (const LVecBase3f &copy, float w)
 
LVector4f operator* (float scalar) const
 
LVecBase4f operator+ (const LVecBase4f &other) const
 
LVector4f operator+ (const LVector4f &other) const
 
LVector4f operator- () const
 
LVecBase4f operator- (const LVecBase4f &other) const
 
LVector4f operator- (const LVector4f &other) const
 
LVector4f operator/ (float scalar) const
 
LVector4foperator= (const LVecBase4f &copy)
 
LVector4foperator= (float fill_value)
 
LVector4f project (const LVecBase4f &onto) const
 Returns a new vector representing the projection of this vector onto another one. More...
 
- Public Member Functions inherited from LVecBase4f
 LVecBase4f (const LVecBase4f &copy)
 
 LVecBase4f (const UnalignedLVecBase4f &copy)
 
 LVecBase4f (float fill_value)
 
 LVecBase4f (float x, float y, float z, float w)
 
 LVecBase4f (const LVecBase3f &copy, float w)
 
 LVecBase4f (const LPoint3f &point)
 Constructs an LVecBase4 from an LPoint3. More...
 
 LVecBase4f (const LVector3f &vector)
 Constructs an LVecBase4 from an LVector3. More...
 
 LVecBase4f (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, float threshold) const
 Adds the vector into the running hash. More...
 
void add_to_cell (int i, float value)
 
void add_w (float value)
 
void add_x (float value)
 
void add_y (float value)
 
void add_z (float value)
 
bool almost_equal (const LVecBase4f &other, float threshold) const
 Returns true if two vectors are memberwise equal within a specified tolerance. More...
 
bool almost_equal (const LVecBase4f &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 LVecBase4f &other) const
 This flavor of compare_to uses a default threshold value based on the numeric type. More...
 
int compare_to (const LVecBase4f &other, float threshold) const
 Sorts vectors lexicographically, componentwise. More...
 
void componentwise_mult (const LVecBase4f &other)
 
float dot (const LVecBase4f &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 (float fill_value)
 Sets each element of the vector to the indicated fill_value. More...
 
LVecBase4f fmax (const LVecBase4f &other) const
 
LVecBase4f fmin (const LVecBase4f &other) const
 
void generate_hash (ChecksumHashGenerator &hashgen) const
 Adds the vector to the indicated hash generator. More...
 
void generate_hash (ChecksumHashGenerator &hashgen, float threshold) const
 Adds the vector to the indicated hash generator. More...
 
float get_cell (int i) const
 
const float * 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 (float 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...
 
float get_w () const
 
float get_x () const
 
float get_y () const
 
float get_z () const
 
bool is_nan () const
 Returns true if any component of the vector is not-a-number, false otherwise. More...
 
float length () const
 Returns the length of the vector, by the Pythagorean theorem. More...
 
float 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 LVecBase4f &other) const
 
LVecBase4f operator* (float scalar) const
 
void operator*= (float scalar)
 
LVecBase4f operator+ (const LVecBase4f &other) const
 
void operator+= (const LVecBase4f &other)
 
LVecBase4f operator- () const
 
LVecBase4f operator- (const LVecBase4f &other) const
 
void operator-= (const LVecBase4f &other)
 
LVecBase4f operator/ (float scalar) const
 
void operator/= (float scalar)
 
bool operator< (const LVecBase4f &other) const
 This performs a lexicographical comparison. More...
 
LVecBase4foperator= (const LVecBase4f &copy)
 
LVecBase4foperator= (const UnalignedLVecBase4f &copy)
 
LVecBase4foperator= (float fill_value)
 
bool operator== (const LVecBase4f &other) const
 
float operator[] (int i) const
 
float & operator[] (int i)
 
void output (ostream &out) const
 
LVecBase4f project (const LVecBase4f &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 (float x, float y, float z, float w)
 
void set_cell (int i, float value)
 
void set_w (float value)
 
void set_x (float value)
 
void set_y (float value)
 
void set_z (float 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 const LVector4funit_w ()
 Returns a unit W vector. More...
 
static const LVector4funit_x ()
 Returns a unit X vector. More...
 
static const LVector4funit_y ()
 Returns a unit Y vector. More...
 
static const LVector4funit_z ()
 Returns a unit Z vector. More...
 
static const LVector4fzero ()
 Returns a zero-length vector. More...
 
- Static Public Member Functions inherited from LVecBase4f
static TypeHandle get_class_type ()
 
static void init_type ()
 
static int size ()
 Returns 4: the number of components of a LVecBase4. More...
 
static const LVecBase4funit_w ()
 Returns a unit W vector. More...
 
static const LVecBase4funit_x ()
 Returns a unit X vector. More...
 
static const LVecBase4funit_y ()
 Returns a unit Y vector. More...
 
static const LVecBase4funit_z ()
 Returns a unit Z vector. More...
 
static const LVecBase4fzero ()
 Returns a zero-length vector. More...
 

Additional Inherited Members

- Public Types inherited from LVecBase4f
enum  { num_components = 4, is_int = 0 }
 
typedef const float * const_iterator
 
typedef LSimpleMatrix< float, 1, 4 > EVector4
 
typedef const float * iterator
 
typedef float numeric_type
 
- Public Attributes inherited from LVecBase4f
EVector4 _v
 

Detailed Description

This is a four-component vector distance.

Definition at line 91 of file lvector4.h.

Member Function Documentation

LVector4f LVector4f::project ( const LVecBase4f onto) const
inline

Returns a new vector representing the projection of this vector onto another one.

The resulting vector will be a scalar multiple of onto.

Definition at line 354 of file lvector4.h.

const LVector4f & LVector4f::unit_w ( )
inlinestatic

Returns a unit W vector.

Definition at line 271 of file lvector4.h.

const LVector4f & LVector4f::unit_x ( )
inlinestatic

Returns a unit X vector.

Definition at line 241 of file lvector4.h.

const LVector4f & LVector4f::unit_y ( )
inlinestatic

Returns a unit Y vector.

Definition at line 251 of file lvector4.h.

const LVector4f & LVector4f::unit_z ( )
inlinestatic

Returns a unit Z vector.

Definition at line 261 of file lvector4.h.

const LVector4f & LVector4f::zero ( )
inlinestatic

Returns a zero-length vector.

Definition at line 231 of file lvector4.h.


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