vector3.js

function Vector3(x, y, z) {
  this.x = x;
  this.y = y;
  this.z = z;
}

Vector3.prototype.magnitude = function() {
  return Math.sqrt(Math.pow(this.x, 2) + Math.pow(this.y, 2) + Math.pow(this.z, 2));
};

Vector3.prototype.normalize = function() {
  var length = this.magnitude();
  return new Vector3(this.x / length, this.y / length, this.z / length);
};

var a = new Vector3(3, 1, 2);

print(a.magnitude());
print(a.normalize().magnitude());

js-js/js.js test #1