// Change current lights state
public void ChangeLightState(bool redLight, bool yellowLight, bool greenLight, TrafficLightPhase parentPhase)
{
mParentPhase = parentPhase;
OnLightStateChanged(redLight, yellowLight, greenLight);
}
// coroutine for main program
private IEnumerator MainProgramCo()
{
// select first phase from list
mCurrentPhaseIndex = 0;
mCurrentPhase = PhaseList[0];
// begin with all traffic lights modules set to 'Stop' state (red lights)
SetAllPhasesTo(TrafficLightBase.State.Stop);
while (true)
{
// set current phase to 'PrepareToGo' state (red and yellow lights)
mCurrentPhase.SetState(TrafficLightBase.State.PrepareToGo);
// wait for end of state
yield return new WaitForSeconds(mCurrentPhase.PhaseStartTime);
// set current phase to 'Go' state (green lights)
mCurrentPhase.SetState(TrafficLightBase.State.Go);
// wait for end of state
yield return new WaitForSeconds(mCurrentPhase.PhaseActiveTime);
// set current phase to 'PrepareToStop' state (yellow lights)
mCurrentPhase.SetState(TrafficLightBase.State.PrepareToStop);
// wait for end of state
yield return new WaitForSeconds(mCurrentPhase.PhaseEndTime);
// set current phase to 'Stop' state (red lights)
mCurrentPhase.SetState(TrafficLightBase.State.Stop);
// this phase has ended so make delay between phases before nex phase will be started
yield return new WaitForSeconds(PhaseDelay);
// calculate next phase index
mCurrentPhaseIndex++;
mCurrentPhaseIndex = mCurrentPhaseIndex % PhaseList.Count;
// select next phase and continue program's loop
mCurrentPhase = PhaseList[mCurrentPhaseIndex];
}
}
