If someone refuses to paint, all you need to do to fix that is strap tubes of the stuff to the soles of their shoes and send a couple of angry dobermans after them. Don’t question why you’d ever be so desperate to get someone to paint that you’d resort to this admittedly drastic method. This is how art is made. At least, according to Splattershmup, that is: through peer pressure and, failing that, hostile encouragement. In truth, Splattershmup isn’t as goofy as that (or its title) makes it sound. It’s an honest and successful attempt by Rochester Institute of Technology’s MAGIC…