public void ProcessMessage(OscMessage message)
{
if (message.Address != "/tuio/2Dblb") return;
var command = message.Data[0].ToString();
switch (command)
{
case "set":
if (message.Data.Count < 13) return;
var id = (int)message.Data[1];
var xPos = (float)message.Data[2];
var yPos = (float)message.Data[3];
var angle = (float)message.Data[4];
var width = (float)message.Data[5];
var height = (float)message.Data[6];
var area = (float)message.Data[7];
var velocityX = (float)message.Data[8];
var velocityY = (float)message.Data[9];
var rotationVelocity = (float)message.Data[10];
var acceleration = (float)message.Data[11];
var rotationAcceleration = (float)message.Data[12];
TuioBlob blob;
if (!blobs.TryGetValue(id, out blob)) blob = new TuioBlob(id);
blob.Update(xPos, yPos, angle, width, height, area, velocityX, velocityY, rotationVelocity, acceleration, rotationAcceleration);
updatedBlobs.Add(blob);
break;
case "alive":
var total = message.Data.Count;
for (var i = 1; i < total; i++)
{
addedBlobs.Add((int)message.Data[i]);
}
foreach (KeyValuePair<int, TuioBlob> value in blobs)
{
if (!addedBlobs.Contains(value.Key))
{
removedBlobs.Add(value.Key);
}
addedBlobs.Remove(value.Key);
}
break;
case "fseq":
if (message.Data.Count < 2) return;
FrameNumber = (int)message.Data[1];
var count = updatedBlobs.Count;
for (var i = 0; i < count; i++)
{
var updatedBlob = updatedBlobs[i];
if (addedBlobs.Contains(updatedBlob.Id) && !blobs.ContainsKey(updatedBlob.Id))
{
blobs.Add(updatedBlob.Id, updatedBlob);
if (BlobAdded != null) BlobAdded(this, new TuioBlobEventArgs(updatedBlob));
}
else
{
if (BlobUpdated != null) BlobUpdated(this, new TuioBlobEventArgs(updatedBlob));
}
}
count = removedBlobs.Count;
for (var i = 0; i < count; i++)
{
var blobId = removedBlobs[i];
blob = blobs[blobId];
blobs.Remove(blobId);
if (BlobRemoved != null) BlobRemoved(this, new TuioBlobEventArgs(blob));
}
addedBlobs.Clear();
removedBlobs.Clear();
updatedBlobs.Clear();
break;
}
}
private void updateBlobProperties(ITouch touch, TuioBlob blob)
{
var props = touch.Properties;
props["Angle"] = blob.Angle;
props["Width"] = blob.Width;
props["Height"] = blob.Height;
props["Area"] = blob.Area;
props["RotationVelocity"] = blob.RotationVelocity;
props["RotationAcceleration"] = blob.RotationAcceleration;
}
public TuioBlobEventArgs(TuioBlob blob)
{
Blob = blob;
}
