private void TestRotations()
{
Vector4 v = new Vector4(1, 1, 1, 1);
Quaternion q = new Quaternion(Yaw, Pitch, Roll);
Vector4 r = q.RotatePt(v);
DXVec4 dxv = new DXVec4(1, 1, 1, 1);
DXQuat dxq = DXQuat.RotationYawPitchRoll(Yaw, Pitch, Roll);
DXMatrix dxm = DXMatrix.RotationQuaternion(dxq);
DXVec4 dxr = DXVec4.Transform(dxv, dxm);
}
