/// <param name="binormal">The surface binormal of the position to grab (A binormal is a vector tangen to the surface
/// pointing along the U direction of the tangent space</param>
public void GrabUpdate(UUID objectID, Vector3 grabPosition, Vector3 grabOffset, Vector3 uvCoord, Vector3 stCoord, int faceIndex, Vector3 position,
Vector3 normal, Vector3 binormal)
{
ObjectGrabUpdatePacket grab = new ObjectGrabUpdatePacket();
grab.AgentData.AgentID = Client.self.getAgentID();
grab.AgentData.SessionID = Client.self.getSessionID();
grab.ObjectData.ObjectID = objectID;
grab.ObjectData.GrabOffsetInitial = grabOffset;