LVecBase3d

Inheritance:

Methods of LVecBase3d:

addHash
unsigned int LVecBase3d::add_hash(unsigned int hash) const;

Description: Adds the vector into the running hash.

addToCell
void LVecBase3d::add_to_cell(int i, double value);

These next functions add to an existing value. i.e. foo.set_x(foo.get_x() + value) These are useful to reduce overhead in scripting languages:
Description:

addX
void LVecBase3d::add_x(double value);

These next functions add to an existing value. i.e. foo.set_x(foo.get_x() + value) These are useful to reduce overhead in scripting languages:
Description:

addY
void LVecBase3d::add_y(double value);

Description:

addZ
void LVecBase3d::add_z(double value);

Description:

almostEqual
bool LVecBase3d::almost_equal(LVecBase3d const &other, double threshold) const;

Description: Returns true if two vectors are memberwise equal within a specified tolerance.
Description: Returns true if two vectors are memberwise equal within a default tolerance based on the numeric type.

compareTo
int LVecBase3d::compare_to(LVecBase3d const &other) const;

Description: This flavor of compare_to uses a default threshold value based on the numeric type.
Description: 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).

cross
LVecBase3d LVecBase3d::cross(LVecBase3d const &other) const;

Description:

crossInto
void LVecBase3d::cross_into(LVecBase3d const &other);

Description:

dot
double LVecBase3d::dot(LVecBase3d const &other) const;

Description:

fill
void LVecBase3d::fill(double fill_value);

Description: Sets each element of the vector to the indicated fill_value. This is particularly useful for initializing to zero.

getCell
double LVecBase3d::get_cell(int i) const;

Description:

getClassType
static TypeHandle LVecBase3d::get_class_type(void);

Undocumented function.

getData
double const *LVecBase3d::get_data(void) const;

Description: Returns the address of the first of the three data elements in the vector. The remaining elements occupy the next positions consecutively in memory.

getHash
unsigned int LVecBase3d::get_hash(void) const;

Description: Returns a suitable hash for phash_map.

getNumComponents
int LVecBase3d::get_num_components(void) const;

Description: Returns the number of elements in the vector, three.

getStandardizedHpr
LVecBase3d LVecBase3d::get_standardized_hpr(void) const;

Description: Try to un-spin the hpr to a standard form. Like all standards, someone decides between many arbitrary posible standards. This function assumes that 0 and 360 are the same, as is 720 and -360. Also 180 and -180 are the same. Another example is -90 and 270. Each element will be in the range -180.0 to 179.99999. The original usage of this function is for human readable output.
It doesn't work so well for asserting that foo_hpr is roughly equal to bar_hpr. Try using LQuaternionf::is_same_direction() for that. See Also: get_standardized_rotation, LQuaternion::is_same_direction

getX
double LVecBase3d::get_x(void) const;

Description:

getY
double LVecBase3d::get_y(void) const;

Description:

getZ
double LVecBase3d::get_z(void) const;

Description:

isNan
bool LVecBase3d::is_nan(void) const;

Description: Returns true if any component of the vector is not-a-number, false otherwise.

length
double LVecBase3d::length(void) const;

Description: Returns the length of the vector, by the Pythagorean theorem.

lengthSquared
double LVecBase3d::length_squared(void) const;

Description: Returns the square of the vector's length, cheap and easy.

normalize
bool LVecBase3d::normalize(void);

Description: Normalizes the vector in place. Returns true if the vector was normalized, false if it was a zero-length vector.

operator !=
bool LVecBase3d::operator !=(LVecBase3d const &other) const;

Description:

operator *
LVecBase3d LVecBase3d::operator *(double scalar) const;

Description:

operator *=
void LVecBase3d::operator *=(double scalar);

Description:

operator +
LVecBase3d LVecBase3d::operator +(LVecBase3d const &other) const;

Description:

operator +=
void LVecBase3d::operator +=(LVecBase3d const &other);

Description:

operator -
LVecBase3d LVecBase3d::operator -(void) const;

Description:

operator -=
void LVecBase3d::operator -=(LVecBase3d const &other);

Description:

operator /
LVecBase3d LVecBase3d::operator /(double scalar) const;

Description:

operator /=
void LVecBase3d::operator /=(double scalar);

Description:

operator <
bool LVecBase3d::operator <(LVecBase3d const &other) const;

Description: 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().

operator =
LVecBase3d &LVecBase3d::operator =(LVecBase3d const &copy);

Description:

operator ==
bool LVecBase3d::operator ==(LVecBase3d const &other) const;

Description:

operator []
double LVecBase3d::operator [](int i) const;

Description:

output
void LVecBase3d::output(ostream &out) const;

Description:

pythonRepr
void LVecBase3d::python_repr(ostream &out, string const &class_name) const;

Description:

set
void LVecBase3d::set(double x, double y, double z);

Description:

setCell
void LVecBase3d::set_cell(int i, double value);

Description:

setX
void LVecBase3d::set_x(double value);

Description:

setY
void LVecBase3d::set_y(double value);

Description:

setZ
void LVecBase3d::set_z(double value);

Description:

unitX
static LVecBase3d const &LVecBase3d::unit_x(void);

Description: Returns a unit X vector.

unitY
static LVecBase3d const &LVecBase3d::unit_y(void);

Description: Returns a unit Y vector.

unitZ
static LVecBase3d const &LVecBase3d::unit_z(void);

Description: Returns a unit Z vector.

zero
static LVecBase3d const &LVecBase3d::zero(void);

Description: Returns a zero-length vector.