lsr@Apple.COM (Larry Rosenstein) (09/12/88)
A while ago, someone posted a clever way to test whether the user has clicked on a line, oval, etc. It involved drawing the graphical shape into an offscreen bitmap and testing the appropriate bit. I would like to find out who first thought of this idea. Send any leads to me via E-Mail. Larry Rosenstein, Object Specialist Apple Computer, Inc. 20525 Mariani Ave, MS 46-B Cupertino, CA 95014 AppleLink:Rosenstein1 domain:lsr@Apple.COM UUCP:{sun,voder,nsc,decwrl}!apple!lsr
sho@pur-phy (Sho Kuwamoto) (09/12/88)
In article <16974@apple.Apple.COM> lsr@Apple.COM (Larry Rosenstein) writes: > >A while ago, someone posted a clever way to test whether the user has >clicked on a line, oval, etc. It involved drawing the graphical shape into >an offscreen bitmap and testing the appropriate bit. > Isn't this an old method used for simple collision detection? (by old, I mean at least five years, if not ten.) -Sho