demos/assets/g2.js
function add(out, a, b) {
  out[0] = a[0] + b[0];
  out[1] = a[1] + b[1];
  out[2] = a[2] + b[2];
  return out;
}
function add(out, a, b) {
  out[0] = a[0] + b[0];
  out[1] = a[1] + b[1];
  out[2] = a[2] + b[2];
  return out;
}
function add ( out , a , b ) { out [ 0 ] = a [ 0 ] + b [ 0 ] ; out [ 1 ] = a [ 1 ] + b [ 1 ] ; out [ 2 ] = a [ 2 ] + b [ 2 ] ; return out ; }
Adds two vec3's

@param {vec3} out the receiving vector
@param {vec3} a the first operand
@param {vec3} b the second operand
@returns {vec3} out
Adds two vec3 s