Panda3D
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This is the base class for all three-component vectors and points. More...
#include "lvecBase4.h"
Public Types | |
enum | { num_components = 4, is_int = 0 } |
typedef const int * | const_iterator |
typedef LSimpleMatrix< int, 1, 4 > | EVector4 |
typedef const int * | iterator |
typedef int | numeric_type |
Public Member Functions | |
LVecBase4i (const LVecBase4i ©) | |
LVecBase4i (const UnalignedLVecBase4i ©) | |
LVecBase4i (int fill_value) | |
LVecBase4i (int x, int y, int z, int w) | |
LVecBase4i (const LVecBase3i ©, int w) | |
LVecBase4i (const LPoint3i &point) | |
Constructs an LVecBase4 from an LPoint3. More... | |
LVecBase4i (const LVector3i &vector) | |
Constructs an LVecBase4 from an LVector3. More... | |
LVecBase4i (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, int threshold) const |
Adds the vector into the running hash. More... | |
void | add_to_cell (int i, int value) |
void | add_w (int value) |
void | add_x (int value) |
void | add_y (int value) |
void | add_z (int value) |
bool | almost_equal (const LVecBase4i &other, int threshold) const |
Returns true if two vectors are memberwise equal within a specified tolerance. More... | |
bool | almost_equal (const LVecBase4i &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 LVecBase4i &other) const |
This flavor of compare_to uses a default threshold value based on the numeric type. More... | |
int | compare_to (const LVecBase4i &other, int threshold) const |
Sorts vectors lexicographically, componentwise. More... | |
void | componentwise_mult (const LVecBase4i &other) |
int | dot (const LVecBase4i &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 (int fill_value) |
Sets each element of the vector to the indicated fill_value. More... | |
LVecBase4i | fmax (const LVecBase4i &other) const |
LVecBase4i | fmin (const LVecBase4i &other) const |
void | generate_hash (ChecksumHashGenerator &hashgen) const |
Adds the vector to the indicated hash generator. More... | |
void | generate_hash (ChecksumHashGenerator &hashgen, int threshold) const |
Adds the vector to the indicated hash generator. More... | |
int | get_cell (int i) const |
const int * | 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 (int 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... | |
int | get_w () const |
int | get_x () const |
int | get_y () const |
int | get_z () const |
bool | is_nan () const |
Returns true if any component of the vector is not-a-number, false otherwise. More... | |
int | length () const |
Returns the length of the vector, by the Pythagorean theorem. More... | |
int | length_squared () const |
Returns the square of the vector's length, cheap and easy. More... | |
bool | normalize () |
Normalizes the vector in place. More... | |
LVecBase4i | normalized () const |
Normalizes the vector and returns the normalized vector as a copy. More... | |
bool | operator!= (const LVecBase4i &other) const |
LVecBase4i | operator* (int scalar) const |
void | operator*= (int scalar) |
LVecBase4i | operator+ (const LVecBase4i &other) const |
void | operator+= (const LVecBase4i &other) |
LVecBase4i | operator- () const |
LVecBase4i | operator- (const LVecBase4i &other) const |
void | operator-= (const LVecBase4i &other) |
LVecBase4i | operator/ (int scalar) const |
void | operator/= (int scalar) |
bool | operator< (const LVecBase4i &other) const |
This performs a lexicographical comparison. More... | |
LVecBase4i & | operator= (const LVecBase4i ©) |
LVecBase4i & | operator= (const UnalignedLVecBase4i ©) |
LVecBase4i & | operator= (int fill_value) |
bool | operator== (const LVecBase4i &other) const |
int | operator[] (int i) const |
int & | operator[] (int i) |
void | output (ostream &out) const |
LVecBase4i | project (const LVecBase4i &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 (int x, int y, int z, int w) |
void | set_cell (int i, int value) |
void | set_w (int value) |
void | set_x (int value) |
void | set_y (int value) |
void | set_z (int 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 int | size () |
Returns 4: the number of components of a LVecBase4. More... | |
static const LVecBase4i & | unit_w () |
Returns a unit W vector. More... | |
static const LVecBase4i & | unit_x () |
Returns a unit X vector. More... | |
static const LVecBase4i & | unit_y () |
Returns a unit Y vector. More... | |
static const LVecBase4i & | unit_z () |
Returns a unit Z vector. More... | |
static const LVecBase4i & | zero () |
Returns a zero-length vector. More... | |
Public Attributes | |
EVector4 | _v |
This is the base class for all three-component vectors and points.
Definition at line 3194 of file lvecBase4.h.
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Constructs an LVecBase4 from an LPoint3.
The w coordinate is set to 1.0.
Definition at line 3546 of file lvecBase4.h.
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Constructs an LVecBase4 from an LVector3.
The w coordinate is set to 0.0.
Definition at line 3557 of file lvecBase4.h.
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Adds the vector into the running hash.
Definition at line 4109 of file lvecBase4.h.
References integer_hash< Key, Compare >::add_hash().
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Adds the vector into the running hash.
Definition at line 4185 of file lvecBase4.h.
References floating_point_hash< Key >::add_hash().
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Returns true if two vectors are memberwise equal within a specified tolerance.
Definition at line 4422 of file lvecBase4.h.
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Returns true if two vectors are memberwise equal within a default tolerance based on the numeric type.
Definition at line 4437 of file lvecBase4.h.
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Returns an iterator that may be used to traverse the elements of the matrix, STL-style.
Definition at line 3850 of file lvecBase4.h.
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Returns an iterator that may be used to traverse the elements of the matrix, STL-style.
Definition at line 3872 of file lvecBase4.h.
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This flavor of compare_to uses a default threshold value based on the numeric type.
Definition at line 4071 of file lvecBase4.h.
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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 4151 of file lvecBase4.h.
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Returns an iterator that may be used to traverse the elements of the matrix, STL-style.
Definition at line 3861 of file lvecBase4.h.
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Returns an iterator that may be used to traverse the elements of the matrix, STL-style.
Definition at line 3883 of file lvecBase4.h.
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Sets each element of the vector to the indicated fill_value.
This is particularly useful for initializing to zero.
Definition at line 3895 of file lvecBase4.h.
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Adds the vector to the indicated hash generator.
Definition at line 4128 of file lvecBase4.h.
References ChecksumHashGenerator::add_int().
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Adds the vector to the indicated hash generator.
Definition at line 4201 of file lvecBase4.h.
References ChecksumHashGenerator::add_fp().
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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 3829 of file lvecBase4.h.
Referenced by Shader::get_language().
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Returns a suitable hash for phash_map.
Definition at line 4098 of file lvecBase4.h.
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Returns a suitable hash for phash_map.
Definition at line 4174 of file lvecBase4.h.
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Returns the number of elements in the vector, four.
Definition at line 3839 of file lvecBase4.h.
Referenced by Shader::get_language().
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Returns true if any component of the vector is not-a-number, false otherwise.
Definition at line 3659 of file lvecBase4.h.
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Returns the length of the vector, by the Pythagorean theorem.
Definition at line 3962 of file lvecBase4.h.
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Returns the square of the vector's length, cheap and easy.
Definition at line 3945 of file lvecBase4.h.
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Normalizes the vector in place.
Returns true if the vector was normalized, false if it was a zero-length vector.
Definition at line 3979 of file lvecBase4.h.
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Normalizes the vector and returns the normalized vector as a copy.
If the vector was a zero-length vector, a zero length vector will be returned.
Definition at line 4000 of file lvecBase4.h.
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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 4031 of file lvecBase4.h.
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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 4016 of file lvecBase4.h.
References LVecBase4f::length_squared().
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Reads the vector from the Datagram using get_stdfloat().
Definition at line 4541 of file lvecBase4.h.
References DatagramIterator::get_int32(), and DatagramIterator::get_stdfloat().
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Reads the vector from the Datagram using get_float32() or get_float64().
Definition at line 4493 of file lvecBase4.h.
References DatagramIterator::get_float32(), DatagramIterator::get_float64(), and DatagramIterator::get_int32().
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inlinestatic |
Returns 4: the number of components of a LVecBase4.
Definition at line 3648 of file lvecBase4.h.
Referenced by GeomTransformer::finish_collect().
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inlinestatic |
Returns a unit W vector.
Definition at line 3616 of file lvecBase4.h.
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inlinestatic |
Returns a unit X vector.
Definition at line 3586 of file lvecBase4.h.
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inlinestatic |
Returns a unit Y vector.
Definition at line 3596 of file lvecBase4.h.
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inlinestatic |
Returns a unit Z vector.
Definition at line 3606 of file lvecBase4.h.
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Writes the vector to the Datagram using add_stdfloat().
This is appropriate when you want to write the vector using the standard width setting, especially when you are writing a bam file.
Definition at line 4521 of file lvecBase4.h.
References Datagram::add_int32(), and Datagram::add_stdfloat().
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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().
This is appropriate when you want to write a fixed-width value to the datagram, especially when you are not writing a bam file.
Definition at line 4467 of file lvecBase4.h.
References Datagram::add_float32(), Datagram::add_float64(), and Datagram::add_int32().
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inlinestatic |
Returns a zero-length vector.
Definition at line 3576 of file lvecBase4.h.
Referenced by GeomVertexReader::get_data4i().