Copyright (c) 2013 Daniel Bugl, TouchLay. All rights reserved. See the LICENSE file for more information.
TLay Touch is a UDP protocol that allows you to add multitouch support to programs. The protocol itself is pretty much just a specification, this repository contains the main implementation of TLay Touch, which is C++ and mainly used in our software.
Contents
This is done in a JSON example and explained with C-like comments because the protocol is using JSON and an example is always easier to understand.
{
"s": "example", // source - this can be anything, but there is a structure below
"a": 1, // action - this is an integer, see below for more information
"id": 80, // id of the event (session id)
"xp": 0.501, // x position
"yp": 0.123, // y position
"xv": 0.192, // x velocity
"yv": 0.831, // y velocity
"an": 0.921, // angle
"ms": 0.213, // motion speed
"ma": 0.864 // motion acceleration
}
The "s" variable (source) can be set to any string, however there is a standardised structure you should use.
"s": "client@ip%interfaceX/sourcetype/inputtype"
And an example:
"s": "TUIOdroid@fe80::646:dead:beef:cafe%wlan0/tuio/2Dcur"
The "a" variable (action) can be set to the following integers:
- 0 - undefined action
- 1 - add cursor/object
- 2 - update cursor/object
- 3 - remove cursor/object
The TLay Touch protocol specification and the implementation are both licensed under the BSD license. For further information please consult the LICENSE file.