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Unigine::Math::bvec4 Struct

Header: #include <UnigineMathLibBVec4.h>

This class represents a vector of 4 byte (unsigned char) components. This vector is used for vertex color parameters.

bvec4 Class

Members


bvec4 ( ) #

Default constructor. Produces a zero vector.

explicit bvec4 ( unsigned char v ) #

Constructor. Initializes the vector using a given scalar value: x=v, y=v, z=v, w=v.

Arguments

  • unsigned char v - Scalar.

bvec4 ( unsigned char x, unsigned char y, unsigned char z, unsigned char w ) #

Constructor. Initializes the vector using given unsigned char values.

Arguments

  • unsigned char x - X component of the vector.
  • unsigned char y - Y component of the vector.
  • unsigned char z - Z component of the vector.
  • unsigned char w - W component of the vector.

explicit bvec4 ( const unsigned char* v ) #

Constructor. Initializes the vector using a given pointer to the array of unsigned char elements: x=v[0], y=v[1], z=v[2], w=v[3].

Arguments

  • const unsigned char* v - Pointer to the array of unsigned char elements.

bvec4 ( const bvec4& v ) #

Constructor. Initializes the vector by copying a given source vector.

Arguments

  • const bvec4& v - Source vector.

explicit bvec4 ( const vec4& v ) #

Constructor. Initializes the vector using a given vec4 source vector.

Arguments

  • const vec4& v - Source vector.

explicit bvec4 ( const dvec4& v ) #

Constructor. Initializes the vector using a given dvec4 source vector.

Arguments

  • const dvec4& v - Source vector.

explicit bvec4 ( const ivec4& v ) #

Constructor. Initializes the vector using a given ivec4 source vector.

Arguments

  • const ivec4& v - Source vector.

bvec4 ( const vec4& v, float scale ) #

Constructor. Initializes the vector using a given vec4 source vector and a scale multiplier.

Arguments

  • const vec4& v - Source vector.
  • float scale - Scale.

void set ( unsigned char x_, unsigned char y_, unsigned char z_, unsigned char w_ ) #

Sets the vector by components.

Arguments

  • unsigned char x_ - X component of the vector.
  • unsigned char y_ - Y component of the vector.
  • unsigned char z_ - Z component of the vector.
  • unsigned char w_ - W component of the vector.

void set ( const unsigned char* val ) #

Sets the vector using the array of unsigned char elements: x=val[0], y=val[1], z=val[2], w=val[3].

Arguments

  • const unsigned char* val - Pointer to the array of unsigned char elements.

void set ( unsigned char val ) #

Sets the vector components equal to specified scalar value: x=val, y=val, z=val, w=val.

Arguments

  • unsigned char val - Scalar value.

void set ( const bvec4& val ) #

Sets the vector equal to the specified vector.

Arguments

  • const bvec4& val - Source vector.

void set ( const vec4& val, float scale ) #

Sets the vector using a given vec4 vector and a scale multiplier.

Arguments

  • const vec4& val - Source vector.
  • float scale - Scale.

unsigned char * get ( ) #

Returns the pointer to the vector.

Return value

Pointer to the vector.

const unsigned char * get ( ) const#

Returns the constant pointer to the vector.

Return value

Pointer to the vector.

void get ( unsigned char* val ) const#

Returns the vector by saving it in the argument.

Arguments

  • unsigned char* val - Pointer to the vector to store the obtained data.

unsigned char * operator unsigned char * ( ) const#

Performs type conversion to unsigned char *.

Return value

Pointer to the value.

const unsigned char * operator const unsigned char * ( ) const#

Performs type conversion to const unsigned char *.

Return value

Pointer to the value.

void * operator void * ( ) #

Performs type conversion to void *.

const void * operator const void * ( ) const#

Performs type conversion to const void *.

unsigned char & operator[] ( int i ) #

Performs array access to the vector item by using given item index.

Arguments

  • int i - Vector item index.

Return value

Vector item.

unsigned char operator[] ( int i ) const#

Performs array access to the vector item reference by using given item index.

Arguments

  • int i - Vector item index.

Return value

Vector item reference.

bvec4 & operator= ( const bvec4 & val ) #

Performs vector assignment. Destination vector = Source vector.

Arguments

  • const bvec4 & val - Source vector.

Return value

Result.

int compare ( const bvec4 & v0, const bvec4 & v1 ) #

Performs equal comparison.

Arguments

  • const bvec4 & v0 - First value.
  • const bvec4 & v1 - Second value.

Return value

1 if the first vector equals the second one; otherwise 0.

int operator== ( const bvec4 & v0, const bvec4 & v1 ) #

Performs equal comparison.

Arguments

  • const bvec4 & v0 - First value.
  • const bvec4 & v1 - Second value.

Return value

1 if the first vector equals the second one; otherwise 0.

int operator!= ( const bvec4 & v0, const bvec4 & v1 ) #

Not equal comparison.

Arguments

  • const bvec4 & v0 - First value.
  • const bvec4 & v1 - Second value.

Return value

1 if the first vector is not equal the second one; otherwise 0.

bvec4 min ( const bvec4 & v0, const bvec4 & v1 ) #

Creates a new minimum vector based on input.

Arguments

  • const bvec4 & v0 - First value.
  • const bvec4 & v1 - Second value.

Return value

Vector where each component is the minimum of the original vectors' corresponding components.

bvec4 max ( const bvec4 & v0, const bvec4 & v1 ) #

Creates a new maximum vector based on input.

Arguments

  • const bvec4 & v0 - First value.
  • const bvec4 & v1 - Second value.

Return value

Vector where each component is the maximum of the original vectors' corresponding components.

bvec4 clamp ( const bvec4 & v, const bvec4 & v0, const bvec4 & v1 ) #

Clamps the vector based on the lower and upper limit vectors.

Arguments

  • const bvec4 & v - The vector to clamp.
  • const bvec4 & v0 - Lower clamping limit.
  • const bvec4 & v1 - Upper clamping limit.

Return value

Vector where each component of the original vector is clamped based on the limit range provided by the lower and upper vectors' corresponding components.
Last update: 09.10.2024
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