Re: Calculating coordinate intersections?

From	"Chris M. Thomasson" <no@spam.invalid>
Newsgroups	alt.comp.programming, alt.games.programming, comp.programming
Subject	Re: Calculating coordinate intersections?
Date	2013-03-22 13:08 -0700
Organization	Aioe.org NNTP Server
Message-ID	<kiido0$67i$1@speranza.aioe.org> (permalink)
References	<0001HW.CD6E31F4003565A0B04999BF@news.eternal-september.org>

Cross-posted to 3 groups.

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"DaveC"  wrote in message
news:0001HW.CD6E31F4003565A0B04999BF@news.eternal-september.org...

> A point is at X1,Y1. Second point is at X2,Y2.

> If point 1 shoots at point 2 (takes a vector in that general direction),
> how
> can I know that point 2 was hit?

> Ideas?

The following code might help you out a bit simply because it finds the
intersection point(s) between circles:

https://groups.google.com/group/sci.fractals/browse_frm/thread/8850150ce7584f3

;^)

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Calculating coordinate intersections? DaveC <invalid@invalid.net> - 2013-03-19 15:17 -0700
  Re: Calculating coordinate intersections? Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2013-03-19 18:26 -0700
    Re: Calculating coordinate intersections? DaveC <invalid@invalid.net> - 2013-03-19 21:53 -0700
      Re: Calculating coordinate intersections? Robert Wessel <robertwessel2@yahoo.com> - 2013-03-20 02:05 -0500
        Re: Calculating coordinate intersections? DaveC <invalid@invalid.net> - 2013-03-20 13:19 -0700
          Re: Calculating coordinate intersections? "BartC" <bc@freeuk.com> - 2013-03-20 21:42 +0000
          Re: Calculating coordinate intersections? Robert Wessel <robertwessel2@yahoo.com> - 2013-03-20 23:48 -0500
  Re: Calculating coordinate intersections? rouben@shady.(none) (Rouben Rostamian) - 2013-03-20 05:27 +0000
    Re: Calculating coordinate intersections? DaveC <invalid@invalid.net> - 2013-03-19 23:39 -0700
      Re: Calculating coordinate intersections? Geoff <geoff@invalid.invalid> - 2013-03-20 00:33 -0700
  Re: Calculating coordinate intersections? James Dow Allen <jdallen2000@yahoo.com> - 2013-03-20 23:41 -0700
    Re: Calculating coordinate intersections? Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2013-03-21 13:18 -0700
      Re: Calculating coordinate intersections? DaveC <invalid@invalid.net> - 2013-03-21 23:02 -0700
        Re: Calculating coordinate intersections? Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2013-03-21 23:28 -0700
    Re: Calculating coordinate intersections? Rui Maciel <rui.maciel@gmail.com> - 2013-03-21 21:40 +0000
      Re: Calculating coordinate intersections? DaveC <invalid@invalid.net> - 2013-03-21 23:03 -0700
        Re: Calculating coordinate intersections? Rui Maciel <rui.maciel@gmail.com> - 2013-03-22 08:36 +0000
          Re: Calculating coordinate intersections? bob <bob@coolfone.comze.com> - 2013-03-22 07:16 -0700
        Re: Calculating coordinate intersections? Geoff <geoff@invalid.invalid> - 2013-03-22 01:49 -0700
  Re: Calculating coordinate intersections? Rui Maciel <rui.maciel@gmail.com> - 2013-03-21 21:26 +0000
    Re: Calculating coordinate intersections? notme <notme@notme.org> - 2013-03-22 00:31 -0700
  Re: Calculating coordinate intersections? "Chris M. Thomasson" <no@spam.invalid> - 2013-03-22 13:08 -0700

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