PM>  I'm not sure this fancy sound trick is all that fancy afterall:
 PM>  you seem to have done some sort of similar thing with some of the SW
 PM>  effects: the gun turret in Zilla Construcion comes to mind.  It sounds
 PM>  different each time I fire it.   Nice. 
        The sound mixing trick, which Lee was talking about, is a little more 
complicated than that.  What's happening in Shadow Warrior, I believe, is 
that the pitch is being modulated after every shot.  In Trespasser, the 
objects involved have their own individual sounds.  When two objects meet, 
the velocitity and echo variables are calculated, and the end mix is fed into 
a sound channel.
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