Unigine::bvec4 Struct

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

bvec4 Class

Members

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bvec4()

Default constructor. Produces a zero vector.

bvec4(const bvec4 & v)

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

Arguments

• const bvec4 & v - Source vector.

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.

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.

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.

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.

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.

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)

Arguments

• unsigned char * val

const unsigned char * operator const unsigned char *()

Performs type conversion to const unsigned char *.

const void * operator const void *()

Performs type conversion to const void *.

unsigned char * operator unsigned char *()

Performs type conversion to unsigned char *.

void * operator void *()

Performs type conversion to void *.

bvec4 & operator=(const bvec4 & val)

Performs vector assignment. Destination vector = Source vector.

Arguments

• const bvec4 & val - Source vector.

Return value

Result.

unsigned char & operator[](int i)

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

Arguments

• int i - Vector item index.

Return value

Vector item reference.

unsigned char operator[](int i) const

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

Arguments

• int i - Vector item index.

Return value

Vector item.

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bvec4 ONE

Description

Vector, filled with ones (1).

bvec4 ZERO

Description

Vector, filled with zeros (0).