Panda3D
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This is the base class for all two-component vectors and points. More...
#include "lvecBase2.h"
Public Types | |
enum | { num_components = 2, is_int = 0 } |
typedef const int * | const_iterator |
typedef LSimpleMatrix< int, 1, 2 > | EVector2 |
typedef const int * | iterator |
typedef int | numeric_type |
Public Member Functions | |
LVecBase2i (const LVecBase2i ©) | |
LVecBase2i (int fill_value) | |
LVecBase2i (int x, int y) | |
LVecBase2i (const EVector2 &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_x (int value) |
void | add_y (int value) |
bool | almost_equal (const LVecBase2i &other, int threshold) const |
Returns true if two vectors are memberwise equal within a specified tolerance. More... | |
bool | almost_equal (const LVecBase2i &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 LVecBase2i &other) const |
This flavor of compare_to uses a default threshold value based on the numeric type. More... | |
int | compare_to (const LVecBase2i &other, int threshold) const |
Sorts vectors lexicographically, componentwise. More... | |
void | componentwise_mult (const LVecBase2i &other) |
int | dot (const LVecBase2i &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 | fill (int fill_value) |
Sets each element of the vector to the indicated fill_value. More... | |
LVecBase2i | fmax (const LVecBase2i &other) const |
LVecBase2i | fmin (const LVecBase2i &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 two 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, two. More... | |
int | get_x () const |
int | get_y () 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... | |
LVecBase2i | normalized () const |
Normalizes the vector and returns the normalized vector as a copy. More... | |
bool | operator!= (const LVecBase2i &other) const |
LVecBase2i | operator* (int scalar) const |
void | operator*= (int scalar) |
LVecBase2i | operator+ (const LVecBase2i &other) const |
void | operator+= (const LVecBase2i &other) |
LVecBase2i | operator- () const |
LVecBase2i | operator- (const LVecBase2i &other) const |
void | operator-= (const LVecBase2i &other) |
LVecBase2i | operator/ (int scalar) const |
void | operator/= (int scalar) |
bool | operator< (const LVecBase2i &other) const |
This performs a lexicographical comparison. More... | |
LVecBase2i & | operator= (const LVecBase2i ©) |
LVecBase2i & | operator= (int fill_value) |
bool | operator== (const LVecBase2i &other) const |
int | operator[] (int i) const |
int & | operator[] (int i) |
void | output (ostream &out) const |
LVecBase2i | project (const LVecBase2i &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) |
void | set_cell (int i, int value) |
void | set_x (int value) |
void | set_y (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 2: the number of components of a LVecBase2. More... | |
static const LVecBase2i & | unit_x () |
Returns a unit X vector. More... | |
static const LVecBase2i & | unit_y () |
Returns a unit Y vector. More... | |
static const LVecBase2i & | zero () |
Returns a zero-length vector. More... | |
Public Attributes | |
EVector2 | _v |
This is the base class for all two-component vectors and points.
Definition at line 2360 of file lvecBase2.h.
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Adds the vector into the running hash.
Definition at line 3058 of file lvecBase2.h.
References integer_hash< Key, Compare >::add_hash().
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Adds the vector into the running hash.
Definition at line 3123 of file lvecBase2.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 3333 of file lvecBase2.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 3346 of file lvecBase2.h.
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Returns an iterator that may be used to traverse the elements of the matrix, STL-style.
Definition at line 2817 of file lvecBase2.h.
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Returns an iterator that may be used to traverse the elements of the matrix, STL-style.
Definition at line 2839 of file lvecBase2.h.
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This flavor of compare_to uses a default threshold value based on the numeric type.
Definition at line 3026 of file lvecBase2.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 3095 of file lvecBase2.h.
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Returns an iterator that may be used to traverse the elements of the matrix, STL-style.
Definition at line 2828 of file lvecBase2.h.
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Returns an iterator that may be used to traverse the elements of the matrix, STL-style.
Definition at line 2850 of file lvecBase2.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 2862 of file lvecBase2.h.
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Adds the vector to the indicated hash generator.
Definition at line 3075 of file lvecBase2.h.
References ChecksumHashGenerator::add_int().
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Adds the vector to the indicated hash generator.
Definition at line 3137 of file lvecBase2.h.
References ChecksumHashGenerator::add_fp().
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Returns the address of the first of the two data elements in the vector.
The next element occupies the next position consecutively in memory.
Definition at line 2796 of file lvecBase2.h.
Referenced by Shader::get_language().
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Returns a suitable hash for phash_map.
Definition at line 3047 of file lvecBase2.h.
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Returns a suitable hash for phash_map.
Definition at line 3112 of file lvecBase2.h.
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Returns the number of elements in the vector, two.
Definition at line 2806 of file lvecBase2.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 2686 of file lvecBase2.h.
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Returns the length of the vector, by the Pythagorean theorem.
Definition at line 2919 of file lvecBase2.h.
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Returns the square of the vector's length, cheap and easy.
Definition at line 2902 of file lvecBase2.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 2936 of file lvecBase2.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 2957 of file lvecBase2.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 2988 of file lvecBase2.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 2973 of file lvecBase2.h.
References LVecBase2f::length_squared().
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Reads the vector from the Datagram using get_stdfloat().
Definition at line 3432 of file lvecBase2.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 3394 of file lvecBase2.h.
References DatagramIterator::get_float32(), DatagramIterator::get_float64(), and DatagramIterator::get_int32().
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inlinestatic |
Returns 2: the number of components of a LVecBase2.
Definition at line 2675 of file lvecBase2.h.
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inlinestatic |
Returns a unit X vector.
Definition at line 2624 of file lvecBase2.h.
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inlinestatic |
Returns a unit Y vector.
Definition at line 2634 of file lvecBase2.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 3416 of file lvecBase2.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 3374 of file lvecBase2.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 2614 of file lvecBase2.h.
Referenced by GeomVertexReader::get_data2i().