can any creted a shader like doom3 fire distorsion:

of course. you need render_to_texture for that but then its real simple

Simple? Can you post an example?

It look like max payne 2 cinema shader effect~

before i put more RAM some bugs appear in doom3, it creatings plane bitmaps like particle effect, and apply a distorcion shader and i found this forum topic:

http://www.conitecserver.com/ubbthreads/showflat.php?Cat=&Number=473746&page=&view=&sb=5&o=&fpart=all&vc=1

i think this can help, just create a normal sequence with alpha: