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Text File  |  1992-07-21  |  814 b   |  24 lines
  1. Newsgroups: comp.os.msdos.programmer
  2. Path: sparky!uunet!darwin.sura.net!mips!sdd.hp.com!usc!sol.ctr.columbia.edu!destroyer!ubc-cs!news.UVic.CA!spang.Camosun.BC.CA!camins.camosun.bc.ca!morley
  3. From: morley@camins.camosun.bc.ca
  4. Subject: Polygon Question...
  5. Message-ID: <1992Jul21.094844.1@camins.camosun.bc.ca>
  6. Lines: 12
  7. Sender: news@spang.Camosun.BC.CA (Network News)
  8. Nntp-Posting-Host: camins.camosun.bc.ca
  9. Organization: Camosun College
  10. Date: Tue, 21 Jul 1992 17:48:44 GMT
  11.  
  12. Hi!
  13.  
  14. Ok, this should be an easy one...  Given 3 X,Y points that form a triangle,
  15. what is the simplest (fastest) way to determine if they are clock-wise or
  16. counter-clock-wise?  I'm not interested in general polygons of N points,
  17. just plain old triangles.  Yes, this is for use in a graphics app.
  18.  
  19. Thanks...
  20.  
  21. MARK
  22. morley@camins.camosun.bc.ca
  23.  
  24.