/// <summary>
/// Compute the distance between two vectors.
/// </summary>
/// <param name="v">The other vector.</param>
/// <returns>The distance between the two vectors.</returns>
public float distance(ref IntVector2 v)
{
return((v - this).length());
}
/// <summary>
/// Compute the dot product of this vector and another.
/// </summary>
/// <param name="v">The other vector.</param>
/// <returns>The dot product.</returns>
public int dot(ref IntVector2 v)
{
return(x * v.x + y * v.y);
}