🚀 go-pugleaf

ptran@watserv1.uwaterloo.ca (Phat H Tran) writes:

>There were no "round" walls in UW.  Some may appear curved due to errors
>(I'm not saying bugs, now) in the texture mapping algorithm.  And it
>doesn't really matter that most of the walls are perpendicular to one
>another... the degrees of freedom allowed in the view meant that UW
>couldn't use any of the simplifications used in Wolf3D.  I still haven't
>a clue what exactly perspective mapping is, and I don't really see a
>need to coin a new term here.  UW, in my opinion, meets the definition
>of texture mapping... you have a bunch of walls in 3-space that you drap
>bitmaps over.  Wolf3d, OTOH, is a tough game to pigeon hole.  It's not
>true texture mapping because the walls themselves aren't planes in 
>3-space.  It uses a bag of tricks to stretch bitmapped walls to a 
>vanishing point.  Is this, then, perspective mapping?

Just a special case of texture mapping.  I agree that there is no need to
bring in ambiguous and ill defined terms here.

Mind you, you could try:
TM:  mapping textures onto objects.
PM:  Distorting a picture.

bleargh. On second thoughts, lets just stick to TM :)


--
Christopher Jam	__________________________________________________
'Another day, another try.  But remember, SHOOT OR DIE!' -turrican
phillips@swanee.ee.uwa.oz.au		c64 forever!!!!
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