public void InteractionUpdate(Interaction interact)
{
int[] arr_inter = new int[NUMBER_OF_INTERACTION_FIELDS];
arr_inter[0] = seq;
arr_inter[1] = session_id;
arr_inter[2] = (int)client_id;
arr_inter[3] = interact.sourceEntity_id;
arr_inter[4] = interact.targetEntity_id;
arr_inter[5] = (int)interact.interactionType;
arr_inter[6] = 1; // dirty bit
#if UNITY_WEBGL && !UNITY_EDITOR
SocketIOSendInteraction(arr_inter, arr_inter.Length);
#else
SocketSim.SocketIOSendInteraction(arr_inter, arr_inter.Length);
#endif
}