(Note this video was shot in Fall 2012.)
This video shows how an object's parameters can be specified when making the object itself (i.e. calling the constructor.)
Computer Programming for the Total Beginner
This video series follows along with my "Introduction to Computational Media" course at itp.nyu.edu. It's in progress. Watch at your own risk. Some videos were shot a year ago, some I'm making right now. I'm not sure if it will all come together and make any sense.