yeah thats strange, they are supposed to be there, they were to show Newton physics and perpixel working together...
Wait until I attach a per pixel light source to a light on a chain with projected shadows...
Working on the tutorial now, hard part is that the technique Im using is a work in progress, so Im hoping the tutorial will be open to improvement by everyone...
Polybump refers to two things...
1) The crytek tool for normal mapping , which actually does a fantastic job in the normal mapping pipeline, but its a Demo. Otherwise it would be a key part of my tutorial....
2) Polybump is another name for bump mapping and normal mapping, based on crytek's tech descriptions. Most likely the first time people are learning about the tech, nice how crytek mangaed to angle it that way, smart...