cross method
Cross product.
Implementation
Vector3 cross(Vector3 other) {
final double _x = _v3storage[0];
final double _y = _v3storage[1];
final double _z = _v3storage[2];
final Float64List otherStorage = other._v3storage;
final double ox = otherStorage[0];
final double oy = otherStorage[1];
final double oz = otherStorage[2];
return new Vector3(_y * oz - _z * oy, _z * ox - _x * oz, _x * oy - _y * ox);
}