function set$3(out, x, y, z, w) {
    out[0] = x;
    out[1] = y;
    out[2] = z;
    out[3] = w;
    return out;
  }
Set the components of a vec4 to the given values

@param {vec4} out the receiving vector
@param {Number} x X component
@param {Number} y Y component
@param {Number} z Z component
@param {Number} w W component
@returns {vec4} out