AlphaLabs Node Garden - adding speech

My first attempt at a play with the AlphaLabs Node Garden.

I thought using the screen was too much like manual labour - so I thought I'd try voice control.

The verdict - wow, is it simple to add voice control to your apps!

AlphaLabs - Node Garden with Speech from Stuart Lodge

	private async Task StartRecognizeAsync()
	{
	var speechRecognizer = new SpeechRecognizer();
	speechRecognizer.Grammars.AddGrammarFromList(
	"answer",
	new string[]
	{
	"Left", "Right", "Up", "Down", "AlphaLabs", "Centre"
	});
	while (true)
	{
	var result = await speechRecognizer.RecognizeAsync();
	if (result.TextConfidence != SpeechRecognitionConfidence.Rejected)
	{
	await ProcessResult(result);
	}
	else
	{
	Debug.WriteLine("No text!");
	}
	}
	}
	private async Task ProcessResult(SpeechRecognitionResult result)
	{
	Debug.WriteLine("Yes! {0}", result.Text);
	var x = _myNode.X;
	var y = _myNode.Y;
	switch (result.Text)
	{
	case "Left":
	x -= 100;
	break;
	case "Right":
	x += 100;
	break;
	case "Up":
	y -= 100;
	break;
	case "Down":
	y += 100;
	break;
	case "Centre":
	x = 240;
	y = 400;
	break;
	case "AlphaLabs":
	await DoAlphaLabsSequence();
	x = 240;
	y = 400;
	break;
	}
	_myNode.SetPosition(x, y);
	}
	private async Task DoAlphaLabsSequence()
	{
	_myNode.SetPosition(10,10);
	await Task.Delay(1000);
	_myNode.SetPosition(10, 790);
	await Task.Delay(1000);
	_myNode.SetPosition(470, 790);
	await Task.Delay(1000);
	_myNode.SetPosition(470, 10);
	await Task.Delay(1000);
	_myNode.SetPosition(110, 210);
	await Task.Delay(1000);
	_myNode.SetPosition(110, 590);
	await Task.Delay(1000);
	_myNode.SetPosition(370, 590);
	await Task.Delay(1000);
	_myNode.SetPosition(370, 210);
	await Task.Delay(1000);
	}

view raw Added to MainPage.xaml.cs hosted with ❤ by GitHub

	public void SetPosition(double x, double y)
	{
	if (x < 0)
	x = 0;
	if (x > 480)
	x = 480;
	if (y < 0)
	y = 0;
	if (y > 800)
	y = 800;
	this.X = x;
	this.Y = y;
	UpdateGardener();
	}
	public void UpdateGardener()
	{
	this.gardener.UpdateSelfNodePosition(this.X, this.Y);
	}
	// Also remove the Update override
	// public override void Update(Size canvasSize)
	// {
	// }
	// And in the constructor, add:
	public MyVisualNode(Random rand, Canvas mainCanvas, NodeGardenLib.Gardener gardener)
	: base(rand, mainCanvas)
	{
	// ...
	// existing code...
	// ...
	this.DisableVirtualMovement = true;
	}

view raw Added to MyVisualNode.cs hosted with ❤ by GitHub

	<Capability Name="ID_CAP_MICROPHONE" />
	<Capability Name="ID_CAP_SPEECH_RECOGNITION" />

view raw In the capabilities, add: hosted with ❤ by GitHub

	// in Update(Size) change:
	if (Math.Abs(this.CurrentX - this.X) > 0.5 && Math.Abs(this.CurrentY - this.Y) > 0.5)
	// to an OR test like:
	if (Math.Abs(this.CurrentX - this.X) > 0.5 || Math.Abs(this.CurrentY - this.Y) > 0.5)

view raw In VisualNode.cs fix hosted with ❤ by GitHub