public static float Sqr(Vec4 v)
{
return v.x * v.x + v.y * v.y + v.z * v.z + v.w * v.w;
}
//public static implicit operator string(Vec4 v)
//{
// return Convert.ToString(v.x) + ", " + Convert.ToString(v.y) + ", " + Convert.ToString(v.z) + ", " + Convert.ToString(v.w);
//}
private bool Eq(Vec4 other)
{
return(x.SimilarTo(other.x) && y.SimilarTo(other.y) && z.SimilarTo(other.z) && w.SimilarTo(other.w));
}
public static float Dot(Vec4 u, Vec4 v)
{
return u.x * v.x + u.y * v.y + u.z * v.z + u.w * v.w;
}