// rotate the camera by the given quaternion
public void rotate(OMV.Quaternion rot)
{
rot.Normalize();
m_heading = rot * m_heading;
if (OnCameraUpdate != null) OnCameraUpdate(this);
}
// rotate the camera by the given quaternion
public void rotate(OMV.Quaternion rot)
{
rot.Normalize();
m_heading = rot * m_heading;
}
// Rotate a vector by a quaternian
public static OMV.Vector3 RotateVector(OMV.Quaternion q, OMV.Vector3 v)
{
OMV.Vector3 v2, v3;
q.Normalize();
OMV.Vector3 qv = new OMV.Vector3(q.X, q.Y, q.Z);
v2 = OMV.Vector3.Cross(qv, v);
v3 = OMV.Vector3.Cross(qv, v2);
v2 *= (2.0f * q.W);
v3 *= 2.0f;
return v + v2 + v3;
}
