I threw something together is jsfiddle for you.
http://jsfiddle.net/9R4hZ/40/
The script initializes the start positions of all of the objects first. Then handlers are set up for arrow key and mouse wheel. After that is the meat of the algorithm in the parallaxScroll function.
It uses the ARROWS or MOUSEWHEEL for scrolling.
There are from [left, right, top, bottom] transitions.
The HTML and CSS are really simple.
The JS/jQuery that runs it is self explanatory.
It's an interesting effect, that seems to be geared for artsy type sites.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…