VW

Extract the fourth single-dimensional element from a vector
See also: VX VY VZ

Description


Like its sibling classes VX, VY, VZ, access a particular single-dimensional element of the provided vector, in this case the fourth element, commonly called w in computer graphics parlance.

Supported Rates: frame, shape, pixel

Class Methods


VW.fr(vec)

VW.sr(vec)

VW.pr(vec)

Make a VW VGen at requested rate.

Arguments

vec

The vector to extract the fourth element from.

Returns:

The fourth element in the vector.

dimensions

input

output

4

1

Examples


var v = VVec4.fr(1, 2, 3, 4);
var w = VW.fr(v); // w: 4