public bool isZero()
{
for (int i = 0; i < 16; ++i)
{
if (!NewMath.Equals(M[i], 0))
{
return(false);
}
}
return(true);
}
public static bool operator ==(matrix4 first, matrix4 other)
{
for (int i = 0; i < 16; ++i)
{
if (!NewMath.Equals(first[i], other[i]))
{
return(false);
}
}
return(true);
}
public bool isIdentity()
{
if (!NewMath.Equals(M[0], 1) ||
!NewMath.Equals(M[5], 1) ||
!NewMath.Equals(M[10], 1) ||
!NewMath.Equals(M[15], 1))
{
return(false);
}
for (int i = 0; i < 4; ++i)
{
for (int j = 0; j < 4; ++j)
{
if ((j != i) && (!NewMath.IsZero(M[i * 4 + j])))
{
return(false);
}
}
}
return(true);
}
public static bool operator ==(vector3df first, vector3df other)
{
return(NewMath.Equals(first.X, other.X) &&
NewMath.Equals(first.Y, other.Y) &&
NewMath.Equals(first.Z, other.Z));
}