dist/axis3d.js
/**
 * Calculates the length of a vec4
 *
 * @param {vec4} a vector to calculate length of
 * @returns {Number} length of a
 */
Calculates the length of a vec4
@param {vec4} a vector to calculate length of
@returns {Number} length of a
Calculates the length of a vec4 @param { vec4 } a vector to calculate length of @returns { Number } length of a
function length(a) {
  var x = a[0],
      y = a[1],
      z = a[2],
      w = a[3];
  return Math.sqrt(x * x + y * y + z * z + w * w);
}
function length ( a ) { var x = a [ 0 ] , y = a [ 1 ] , z = a [ 2 ] , w = a [ 3 ] ; return Math . sqrt ( x * x + y * y + z * z + w * w ) ; }
Calculates the length of a vec4
 @param {vec4} a vector to calculate length of
 @returns {Number} length of a
Calculates the length of a vec4 @param { vec4 } a vector to calculate length of @returns { Number } length of a