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