Firstly, swap this:
Code:
inPos.x += inNormal.x;
inPos.y += inNormal.y;
inPos.z += inNormal.z;
For this:
Code:
inPos.xyz += inNormal.xyz;


Secondly, don't use "zenable". In your outline pass use "cullmode = cw;", which means it'll render the backfaces of the inflated version.

Jibb

Formerly known as JulzMighty.
I made KarBOOM!