Set this {@link Vector3i} to the values of v using the given {@link RoundingMode}.
<p>
Note that due to the given vector <code>v</code> storing the components
in double-precision, there is the possibility to lose precision.
@param v
the vector to copy from
@param mode
the {@link RoundingMode} to use
@return this
Set this {@link Vector3i} to the values of v using the given {@link RoundingMode}. <p> Note that due to the given vector <code>v</code> storing the components in double-precision, there is the possibility to lose precision.
@param v the vector to copy from @param mode the {@link RoundingMode} to use @return this