   Effects
  I was wondering how various effect's were done in games, partticularly directx. In the game EvE Online for example, how would they do the thruster effects and wormhole effects?:http://seriouslycasual.files.wordpress.com/2009/07/wormhole-300x265.jpghttp://thesporadical.com/wp-content/uploads/2009/03/eve_myrmidon-500x402.jpg   
  Perhaps with animated/transparent textures.;  For wormhole, looks like a post-process manipulation like distortion.And for the other one, it looks like a glare-wind generation. It's quite simple: The output of the bright-pass section must contain these flames of spaceship. If you perform a blur operation along a down vector, then blend it with the original frame, you can get a result like it. Masaki Kawase shows how to deal with generating glare winds.hth.Rohat   