This is a page that Indexed all the Tutorials on this site.
This is the first part of a multi-part tutorial on blendshapes.
People have continously kept asking me how Ive got the effect of rendering a wireframe over the ambient occlusion. and this is what this tutorial is all about.
Occlusion is a fast and simple method to simulate the effects of global illumination. Ambient occlusion is most often calculated by casting rays in every direction from the surface. Rays which reach the background or “sky” increase the brightness of the surface, whereas a ray which hits any other object contributes no illumination. As a result, points surrounded by a large amount of geometry are rendered dark, where as points with little geometry on the visible hemisphere appear light. The soft appearance achieved by ambient occlusion alone is similar to the way an object appears on an overcast day. So what basically this shader does is try to re-create the effect of ambient occlussion. It is moderately low on render time, and has significant advantanges in the final look of an image. The mib_amb_occlusion node come with a variety of attributes to customize the final rendered AO image.
Well, everyone knows the old method of rendering wireframes in maya through vector rendering, and rendering creased line, one set back to that was that it would tend to render each quad divided into 2 tris.. Well my major problem was with maya 2008 64bit doesnt suport vector rendering plugins. :) so i thought id try something new.. i mean there has to be another sollution out there.. hunted the net for sometime.. and came across this Highend Wireframe Tutorial, but in the modelling stage the model would not have UVs so this is not an efficient enough method, so after fidling around with the toon shader i gots it :)





















