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# Vector4¶

A 4D vector using floating point coordinates.

## Description¶

A 4-element structure that can be used to represent 4D coordinates or any other quadruplet of numeric values.

It uses floating-point coordinates. By default, these floating-point values use 32-bit precision, unlike float which is always 64-bit. If double precision is needed, compile the engine with the option `precision=double`.

See Vector4i for its integer counterpart.

Note: In a boolean context, a Vector4 will evaluate to `false` if it's equal to `Vector4(0, 0, 0, 0)`. Otherwise, a Vector4 will always evaluate to `true`.

## Properties¶

 float w `0.0` float x `0.0` float y `0.0` float z `0.0`

## Constructors¶

 Vector4 Vector4 ( ) Vector4 Vector4 ( Vector4 from ) Vector4 Vector4 ( Vector4i from ) Vector4 Vector4 ( float x, float y, float z, float w )

## Methods¶

 Vector4 abs ( ) const Vector4 ceil ( ) const Vector4 clamp ( Vector4 min, Vector4 max ) const Vector4 cubic_interpolate ( Vector4 b, Vector4 pre_a, Vector4 post_b, float weight ) const Vector4 cubic_interpolate_in_time ( Vector4 b, Vector4 pre_a, Vector4 post_b, float weight, float b_t, float pre_a_t, float post_b_t ) const Vector4 direction_to ( Vector4 to ) const float distance_squared_to ( Vector4 to ) const float distance_to ( Vector4 to ) const float dot ( Vector4 with ) const Vector4 floor ( ) const Vector4 inverse ( ) const bool is_equal_approx ( Vector4 to ) const bool is_finite ( ) const bool is_normalized ( ) const bool is_zero_approx ( ) const float length ( ) const float length_squared ( ) const Vector4 lerp ( Vector4 to, float weight ) const int max_axis_index ( ) const int min_axis_index ( ) const Vector4 normalized ( ) const Vector4 posmod ( float mod ) const Vector4 posmodv ( Vector4 modv ) const Vector4 round ( ) const Vector4 sign ( ) const Vector4 snapped ( Vector4 step ) const

## Operators¶

 bool operator != ( Vector4 right ) Vector4 operator * ( Projection right ) Vector4 operator * ( Vector4 right ) Vector4 operator * ( float right ) Vector4 operator * ( int right ) Vector4 operator + ( Vector4 right ) Vector4 operator - ( Vector4 right ) Vector4 operator / ( Vector4 right ) Vector4 operator / ( float right ) Vector4 operator / ( int right ) bool operator < ( Vector4 right ) bool operator <= ( Vector4 right ) bool operator == ( Vector4 right ) bool operator > ( Vector4 right ) bool operator >= ( Vector4 right ) float operator [] ( int index )