public void Set(Vec4 v)
{
if (v != null)
{
x = v.x;
y = v.y;
z = v.z;
w = v.w;
}
}
/// <summary>
/// Calculate the distance between current vector and v
/// </summary>
/// <param name="v">vector</param>
public double Distance(Vec4 v)
{
return(System.Math.Sqrt((x - v.x) * (x - v.x) + (y - v.y) * (y - v.y) + (z - v.z) * (z - v.z) + (w - v.w) * (w - v.w)));
}
