/// <summary>
/// Sends a /tuio/2Dobj message
/// The remote Host is specified in the appConfig
/// The message is built according to TUIO 1.1 specifications (see http://www.tuio.org/?specification)
/// </summary>
/// <param name="contacts">Current acitve Contacts</param>
/// <param name="previousContacts">Contacts from the previous frame</param>
public void sendTUIO_2DObj(List<Contact> contacts, ReadOnlyContactCollection previousContacts)
{
//if (contacts.Count == 0) return;
InteractiveSurface surface = Microsoft.Surface.Core.InteractiveSurface.DefaultInteractiveSurface;
double width = surface.Right - surface.Left;
double height = surface.Bottom - surface.Top;
OSCBundle objectBundle = new OSCBundle();
OSCMessage sourceMessage = TUIO_2DObj.sourceMessage();
objectBundle.Append(sourceMessage);
OSCMessage aliveMessage = TUIO_2DObj.aliveMessage(contacts);
objectBundle.Append(aliveMessage);
for (int i = 0; i < contacts.Count; i++)
{
Contact c = contacts[i];
double x = (c.CenterX-surface.Left)/width;
double y = (c.CenterY-surface.Top)/height;
float angularVelocity = 0.0f;
float angularAcceleration = 0.0f;
if( previousContacts.Contains( c.Id ))
{
computeAngularVelocity(c, previousContacts.GetContactFromId(c.Id), out angularVelocity, out angularAcceleration);
}
float X = 0.0f;
float Y = 0.0f;
getVelocity(c.Id, out X, out Y, surface);
float motionAcceleration = 0.0f;
getMotionAcceleration(c.Id, out motionAcceleration, c.FrameTimestamp);
if (c.Tag.Type == TagType.Byte)
{
OSCMessage setMessage = TUIO_2DObj.setMessage(c.Id, (int)c.Tag.Byte.Value, (float)x, (float)y, (float)c.Orientation, X, Y, angularVelocity, motionAcceleration, angularAcceleration);
objectBundle.Append(setMessage);
}
else if (c.Tag.Type == TagType.Identity)
{
OSCMessage setMessage = TUIO_2DObj.setMessage(c.Id, (int)c.Tag.Identity.Value, (float)x, (float)y, (float)c.Orientation, X, Y, angularVelocity, motionAcceleration, angularAcceleration);
objectBundle.Append(setMessage);
}
}
OSCMessage frameMessage = TUIO_2DObj.frameMessage(_Frame);
objectBundle.Append(frameMessage);
_Frame++;
_OSCSender.Send(objectBundle);
}
/// <summary>
/// Sends a /tuio/2Dblb message
/// The remote Host is specified in the appConfig
/// The message is built according to TUIO 1.1 specifications (see http://www.tuio.org/?specification)
/// </summary>
/// <param name="contacts">Current active contacts</param>
/// <param name="previousContacts">Contacts from the previous frame</param>
public void sendTUIO_2DBlb(List<Contact> contacts, ReadOnlyContactCollection previousContacts)
{
//if (contacts.Count == 0) return;
InteractiveSurface surface = Microsoft.Surface.Core.InteractiveSurface.DefaultInteractiveSurface;
double width = surface.Right - surface.Left;
double height = surface.Bottom - surface.Top;
OSCBundle blobBundle = new OSCBundle();
OSCMessage sourceMessage = TUIO_2DBlb.sourceMessage();
blobBundle.Append(sourceMessage);
OSCMessage aliveMessage = TUIO_2DBlb.aliveMessage(contacts);
blobBundle.Append(aliveMessage);
for (int i = 0; i < contacts.Count; i++)
{
Contact c = contacts[i];
double x = (c.CenterX - surface.Left) / width;
double y = (c.CenterY - surface.Top) / height;
double w = c.MajorAxis/surface.Width;
double h = c.MinorAxis/surface.Height;
double f = c.PhysicalArea / (surface.Width * surface.Height);
float angularVelocity = 0.0f;
float angularAcceleration = 0.0f;
if (previousContacts.Contains(c.Id))
{
computeAngularVelocity(c, previousContacts.GetContactFromId(c.Id), out angularVelocity, out angularAcceleration);
}
float X = 0.0f;
float Y = 0.0f;
getVelocity(c.Id, out X, out Y, surface);
float motionAcceleration = 0.0f;
getMotionAcceleration(c.Id, out motionAcceleration, c.FrameTimestamp);
OSCMessage setMessage = TUIO_2DBlb.setMessage(c.Id, (float)x, (float)y, (float)c.Orientation, (float)w, (float)h, (float)(w * h), X, Y, angularVelocity, motionAcceleration, angularAcceleration);
blobBundle.Append(setMessage);
}
OSCMessage frameMessage = TUIO_2DBlb.frameMessage(_Frame);
blobBundle.Append(frameMessage);
_Frame++;
_OSCSender.Send(blobBundle);
}
