# Unigine::ivec2 Struct

This class represents a vector of 2 integer components.

## ivec2()

Default constructor. Produces a zero vector.

## ivec2(const ivec2 & v)

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

### Arguments

• const ivec2 & v - Source vector.

## ivec2(int x, int y)

Constructor. Initializes the vector using given integer values.

### Arguments

• int x - X component of the vector.
• int y - Y component of the vector.

### Examples

Source code (UnigineScript)
``````ivec2(2, 3);
/*
Creates a vector (2, 3)
*/``````

## explicit ivec2(int v)

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

### Arguments

• int v - Scalar value.

### Examples

Source code (UnigineScript)
``````ivec2(1);
/*
Creates a vector (1, 1)
*/``````

## explicit ivec2(const vec2 & v)

Constructor. Initializes the vector using a given vec2 source vector.

### Arguments

• const vec2 & v - Source vector.

## explicit ivec2(const dvec2 & v)

Constructor. Initializes the vector using a given dvec2 source vector.

### Arguments

• const dvec2 & v - Source vector.

## explicit ivec2(const int * v)

Constructor. Initializes the vector using a given pointer to the array of integer elements: x=v[0], y=v[1].

### Arguments

• const int * v - Pointer to the array of integer elements.

## voidset(int x_, int y_)

Sets the vector by components.

### Arguments

• int x_ - X component of the vector.
• int y_ - Y component of the vector.

## voidset(const int * val)

Sets the vector using the array of integer elements: x=val[0], y=val[1].

### Arguments

• const int * val - Pointer to the array of integer elements.

## voidset(const ivec2 & val)

Sets the vector equal to the specified source vector.

### Arguments

• const ivec2 & val - Source vector.

## voidset(int val)

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

### Arguments

• int val - Scalar value.

## int *get()

Returns the pointer to the vector.

### Return value

Pointer to the vector.

## const int *get() const

Returns the constant pointer to the vector.

### Return value

Pointer to the vector.

## voidget(int * val)

Gets the vector: val[0]=x, val[1]=y.

### Arguments

• int * val - Pointer to the array of integer elements.

## intlength2()

Returns the squared length of the vector.

### Return value

Squared length of the vector.

## const int *operator const int *()

Performs type conversion to const int *.

## const void *operator const void *()

Performs type conversion to const void *.

## int *operator int *()

Performs type conversion to int *.

## void *operator void *()

Performs type conversion to void *.

## ivec2 &operator*=(int val)

Performs scalar multiplication.

### Arguments

• int val - Scalar value.

### Return value

Resulting vector.

## ivec2 &operator*=(const ivec2 & val)

Performs vector multiplication.

### Arguments

• const ivec2 & val - Vector.

### Return value

Resulting vector.

## ivec2 &operator+=(const ivec2 & val)

### Arguments

• const ivec2 & val - Vector.

### Return value

Resulting vector.

## ivec2operator-() const

Performs vector negation.

### Return value

Resulting vector.

## ivec2 &operator-=(const ivec2 & val)

Performs vector subtraction.

### Arguments

• const ivec2 & val - Vector.

### Return value

Resulting vector.

## ivec2 &operator/=(int val)

Performs componentwise integer division of the vector by the scalar.

### Arguments

• int val - Scalar value.

### Return value

Resulting vector.

### Examples

Source code (UnigineScript)
``````ivec2 a = ivec2(6, 10);
a /= 2;
/*
Initial value of vector a:
a (6, 10)

a /= 2;
Vector a after operation:
a (3, 5)
*/``````

## ivec2 &operator/=(const ivec2 & val)

Performs componentwise integer division of vectors.

### Arguments

• const ivec2 & val - Vector.

### Return value

Resulting vector.

### Examples

Source code (UnigineScript)
``````ivec2 a, b;
a = ivec2(6, 10);
b = ivec2(2, 6);
a /= b;
/*
Initial values of vectors a and b:
a (6, 10)
b (2, 6)

a /= b;
Vector a after operation:
a (3, 1)``````

## ivec2 &operator<<=(int val)

Performs componentwise left bit shift.

### Arguments

• int val - Shift amount.

### Return value

Resulting vector.

## ivec2 &operator=(const ivec2 & val)

Performs vector assignment. Destination vector = Source vector.

### Arguments

• const ivec2 & val - Source vector.

Result.

## ivec2 &operator>>=(int val)

Performs componentwise right bit shift.

### Arguments

• int val - Shift amount.

### Return value

Resulting vector.

## int &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.

## intoperator[](int i) const

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

### Arguments

• int i - Vector item index.

Vector item.

## ivec2 ONE

### Description

Vector, filled with ones (1).

## ivec2 ZERO

### Description

Vector, filled with zeros (0).
Last update: 26.04.2018