... is required).
A demo is included in the same patch : 'Flames', a simple cross-browser, multi-touch and multi-player graphical interface which makes Pd play creepy sounds :)
Just try it : In Pd (vanilla) on Windows, Mac or Linux, install the 'mrpeach' library via 'Help->Find externals' menu, then open the patch and fire any recent web-browsers (on same machine or other computer, smartphone or tablet on same local network) with the URL provided at the top of main windows, and you're good to go !