A simple command for running Processing from Vim.

RunProcessing.vim

" Run procesing from the command line

function! RunProcessing()
     let s:fullpath  = expand("%:p:h")
     let s:splitpath = split(s:fullpath, '/')
     let s:processing_project = s:splitpath[-1]
     echo "Launching " .s:processing_project
     execute "!processing-java --sketch=" .s:fullpath. " --output=/tmp/" .s:processing_project. " --run --force &"
endfunction

command! -nargs=0 RunProcessing :call RunProcessing()