module.exports = add /** * Adds two vec4's * * @param {vec4} out the receiving vector * @param {vec4} a the first operand * @param {vec4} b the second operand * @returns {vec4} out */ function add (out, a, b) { out[0] = a[0] + b[0] out[1] = a[1] + b[1] out[2] = a[2] + b[2] out[3] = a[3] + b[3] return out }