Hello, i am new to this. i just got Processing today for a project i am doing. i am trying to do this  http://odyssey.nl/digital-chronophotography, the site includes the code. i run it and i just get a black window. if anyone could help me with possibly a step-by-step to get an image like this that would be amazing! ive had the same problem with this one as well,  http://www.msavisuals.com/opensource-okgo-wtf-effect-in-processing/.