public static XVector3 Cross(XVector3 v1, XVector3 v2)
{
return(new XVector3(
v1.Y * v2.Z - v1.Z * v2.Y,
v1.Z * v2.X - v1.X * v2.Z,
v1.X * v2.Y - v1.Y * v2.X
));
}
public static XVector3 Cross(XVector3 v1, XVector3 v2)
{
return new XVector3(
v1.Y * v2.Z - v1.Z * v2.Y,
v1.Z * v2.X - v1.X * v2.Z,
v1.X * v2.Y - v1.Y * v2.X
);
}
public static XVector3 Transform(ref XVector3 pos, ref XMatrix t)
{
return(new XVector3(
pos.X * t.M11 + pos.Y * t.M21 + pos.Z * t.M31 + t.M41,
pos.X * t.M12 + pos.Y * t.M22 + pos.Z * t.M32 + t.M42,
pos.X * t.M13 + pos.Y * t.M23 + pos.Z * t.M33 + t.M43
));
}
public static XVector3 TransformNormal(ref XVector3 pos, ref XMatrix t)
{
return(new XVector3(
pos.X * t.M11 + pos.Y * t.M21 + pos.Z * t.M31,
pos.X * t.M12 + pos.Y * t.M22 + pos.Z * t.M32,
pos.X * t.M13 + pos.Y * t.M23 + pos.Z * t.M33
));
}
public static XReal Dot(XVector3 v1, XVector3 v2)
{
return v1.X * v2.X + v1.Y * v2.Y + v1.Z * v2.Z;
}
public static XReal DistanceSquared(XVector3 v1, XVector3 v2)
{
return (v1 - v2).LengthSquared;
}
public static XReal Distance(XVector3 v1, XVector3 v2)
{
return (v1 - v2).Length;
}
public static XVector3 TransformNormal(ref XVector3 pos, ref XMatrix t)
{
return new XVector3(
pos.X * t.M11 + pos.Y * t.M21 + pos.Z * t.M31,
pos.X * t.M12 + pos.Y * t.M22 + pos.Z * t.M32,
pos.X * t.M13 + pos.Y * t.M23 + pos.Z * t.M33
);
}
public static XVector3 TransformNormal(XVector3 pos, XMatrix t)
{
return TransformNormal(ref pos, ref t);
}
public static XVector3 Transform(ref XVector3 pos, ref XMatrix t)
{
return new XVector3(
pos.X * t.M11 + pos.Y * t.M21 + pos.Z * t.M31 + t.M41,
pos.X * t.M12 + pos.Y * t.M22 + pos.Z * t.M32 + t.M42,
pos.X * t.M13 + pos.Y * t.M23 + pos.Z * t.M33 + t.M43
);
}
public static XVector3 Transform(XVector3 pos, XMatrix t)
{
return(Transform(ref pos, ref t));
}
public static XReal Distance(XVector3 v1, XVector3 v2)
{
return((v1 - v2).Length);
}
public static XReal DistanceSquared(XVector3 v1, XVector3 v2)
{
return((v1 - v2).LengthSquared);
}
public static XReal Dot(XVector3 v1, XVector3 v2)
{
return(v1.X * v2.X + v1.Y * v2.Y + v1.Z * v2.Z);
}