Create a new {@link Vector3i} with the first two components from the given <code>v</code> and the given <code>z</code>
@param v the {@link Vector2i} to copy the values from @param z the z component
See Implementation
Create a new {@link Vector3i} with the first two components from the given <code>v</code> and the given <code>z</code>
@param v the {@link Vector2i} to copy the values from @param z the z component