Function set

set(x, y, z, w, dst?): Vec4
Sets the values of a Vec4 Also see vec4.create and vec4.copy
Parameters
- x: number
  first value
- y: number
  second value
- z: number
  third value
- w: number
  fourth value
- Optional dst: Vec4
  vector to hold result. If not passed in a new one is created.
Returns Vec4
A vector with its elements set.