public void HandleLuisResult(LuisResult result)
{
if (!result.Intents.Any())
{
return;
}
switch (result.Intents.First().Name)
{
case "ControlLED":
if (result.Entities.Any(a => a.Key == "LedState"))
{
string ledState = result.Entities.First(a => a.Key == "LedState").Value.First().Value;
if (ledState == "on")
{
if (result.Entities.Any(a => a.Key == "LedColor"))
{
string ledColor = result.Entities.First(a => a.Key == "LedColor").Value.First().Value;
SayAsync($"Turning on the {ledColor} light.");
switch (ledColor)
{
case "red":
_rgbLed.TurnOnLed(LedStatus.Red);
break;
case "green":
_rgbLed.TurnOnLed(LedStatus.Green);
break;
case "blue":
_rgbLed.TurnOnLed(LedStatus.Blue);
break;
case "purple":
_rgbLed.TurnOnLed(LedStatus.Purple);
break;
}
}
}
else if (ledState == "off")
{
SayAsync("Turning the light off.");
_rgbLed.TurnOffLed();
}
}
break;
}
}
private void DoDisco(object source, ElapsedEventArgs e)
{
Array values = Enum.GetValues(typeof(LedStatus));
Random random = new Random();
LedStatus randomBar = (LedStatus)values.GetValue(random.Next(values.Length - 1));
_rgbLed.TurnOnLed(randomBar);
}
private async void ProcessCurrentVideoFrame(ThreadPoolTimer timer)
{
if (_mediaCapture.CameraStreamState != Windows.Media.Devices.CameraStreamState.Streaming || !_frameProcessingSemaphore.Wait(0))
{
return;
}
if (!_motion)
{
Debug.WriteLine("No motion detected.");
_frameProcessingSemaphore.Release();
return;
}
try
{
var stream = new InMemoryRandomAccessStream();
await _mediaCapture.CapturePhotoToStreamAsync(ImageEncodingProperties.CreateJpeg(), stream);
MemoryStream memStream = await ConvertFromInMemoryRandomAccessStream(stream);
Face[] result = await _faceServiceClient.DetectAsync(memStream, false, false, new[] { FaceAttributeType.Emotion });
string displayText = $"{result.Length} faces found | {DateTime.Now.ToLongTimeString()}";
if (result.Any())
{
List <EmotionResult> emotions = new List <EmotionResult>
{
new EmotionResult()
{
Name = "Anger", Score = result.First().FaceAttributes.Emotion.Anger, LedStatus = LedStatus.Red
},
new EmotionResult()
{
Name = "Happiness", Score = result.First().FaceAttributes.Emotion.Happiness, LedStatus = LedStatus.Green
},
new EmotionResult()
{
Name = "Neutral", Score = result.First().FaceAttributes.Emotion.Neutral, LedStatus = LedStatus.Blue
}
};
displayText += string.Join(", ", emotions.Select(a => $"{a.Name}: {(a.Score * 100.0f).ToString("#0.00")}"));
_rgbLed.TurnOnLed(emotions.OrderByDescending(a => a.Score).First().LedStatus);
}
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => StatusText.Text = displayText);
Debug.WriteLine(displayText);
}
catch (Exception ex)
{
Debug.WriteLine("Exception with ProcessCurrentVideoFrame: " + ex);
}
finally
{
_frameProcessingSemaphore.Release();
}
}