<!-- MHonArc v2.4.4 --> <!--X-Subject: [MUD-Dev] RE: How to represent a 3d object... --> <!--X-From-R13: "Xhfgva [pYvaarearl" <klzbkNgbba.bet> --> <!--X-Date: Fri, 27 Apr 1998 01:04:46 -0700 --> <!--X-Message-Id: 000201bd71b2$ca43f2d0$243939cc#foghorn,toon.org --> <!--X-Content-Type: text/plain --> <!--X-Reference: Pine.LNX.3.96.980424192948.4351A-100000#shamen,cyberhighway.net --> <!--X-Head-End--> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> <html> <head> <title>MUD-Dev message, [MUD-Dev] RE: How to represent a 3d object...</title> <!-- meta name="robots" content="noindex,nofollow" --> <link rev="made" href="mailto:xymox#toon,org"> </head> <body background="/backgrounds/paperback.gif" bgcolor="#ffffff" text="#000000" link="#0000FF" alink="#FF0000" vlink="#006000"> <font size="+4" color="#804040"> <strong><em>MUD-Dev<br>mailing list archive</em></strong> </font> <br> [ <a href="../">Other Periods</a> | <a href="../../">Other mailing lists</a> | <a href="/search.php3">Search</a> ] <br clear=all><hr> <!--X-Body-Begin--> <!--X-User-Header--> <!--X-User-Header-End--> <!--X-TopPNI--> Date: [ <a href="msg00766.html">Previous</a> | <a href="msg00768.html">Next</a> ] Thread: [ <a href="msg00774.html">Previous</a> | <a href="msg00761.html">Next</a> ] Index: [ <A HREF="author.html#00767">Author</A> | <A HREF="#00767">Date</A> | <A HREF="thread.html#00767">Thread</A> ] <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> <H1>[MUD-Dev] RE: How to represent a 3d object...</H1> <HR> <!--X-Subject-Header-End--> <!--X-Head-of-Message--> <UL> <LI><em>To</em>: <<A HREF="mailto:mud-dev#kanga,nu">mud-dev#kanga,nu</A>></LI> <LI><em>Subject</em>: [MUD-Dev] RE: How to represent a 3d object...</LI> <LI><em>From</em>: "Justin McKinnerney" <<A HREF="mailto:xymox#toon,org">xymox#toon,org</A>></LI> <LI><em>Date</em>: Mon, 27 Apr 1998 04:02:14 -0400</LI> <LI><em>Delivery-date</em>: Fri Apr 27 01:04:47 1998</LI> <LI><em>Delivery-date</em>: Fri, 27 Apr 1998 01:04:48 -0700</LI> <LI><em>Envelope-to</em>: claw#kanga,nu</LI> <LI><em>Reply-To</em>: <A HREF="mailto:mud-dev#kanga,nu">mud-dev#kanga,nu</A></LI> <LI><em>Sender</em>: "Petidomo List Agent,,,," <<A HREF="mailto:petidomo#kanga,nu">petidomo#kanga,nu</A>></LI> </UL> <!--X-Head-of-Message-End--> <!--X-Head-Body-Sep-Begin--> <HR> <!--X-Head-Body-Sep-End--> <!--X-Body-of-Message--> <PRE> BSP trees are the accepted way to do what you ask. A FAQ for BSP trees is located here: <A HREF="http://reality.sgi.com/bspfaq/index.shtml">http://reality.sgi.com/bspfaq/index.shtml</A> - Justin - > -----Original Message----- > From: mud-dev [<A HREF="mailto:mud-dev#null,net]On">mailto:mud-dev#null,net]On</A> Behalf Of Ben Greear > Sent: Friday, April 24, 1998 3:42 PM > To: mud-dev > Subject: [MUD-Dev] How to represent a 3d object... > > > > I am thinking about how to represent a 3d object in a 3d world. > > I believe that polygon rendering is my best bet, both because > I am not horribly efficient with graphics programming, and because > it is easy for me to realize. Also, the new Java 2d API should > give the the support I need.... > > Still, I'll need to be able to figure out what polygons to draw, > and what to fill (tile) them with.... > > I envision the object as a collections of intersections (nodes) > and faces. To draw the object, then I'll calculate orientation > and distance from the viewer, figure out what sides (faces) are > visible, and then draw each face onto a 'canvas'. > > The two big questions are: what kind of data structure should I > use for in-memory storage, and how to encode this for storage in a > persistant storage mechanism. I can see advantages of allowing only > three vertices to protrude from any given node, but perhaps other > systems are better? > > There must be some standard way of representing this on disk, > does anyone have any pointers?? > > Thanks, > Ben > > Ben Greear (greear#cyberhighway,net) <A HREF="http://www.primenet.com/~greear">http://www.primenet.com/~greear</A> > Author of ScryMUD: mud.primenet.com 4444 > <A HREF="http://www.primenet.com/~greear/ScryMUD/scry.html">http://www.primenet.com/~greear/ScryMUD/scry.html</A> > > -- MUD-Dev: Advancing an unrealised future. </PRE> <!--X-Body-of-Message-End--> <!--X-MsgBody-End--> <!--X-Follow-Ups--> <HR> <!--X-Follow-Ups-End--> <!--X-References--> <!--X-References-End--> <!--X-BotPNI--> <UL> <LI>Prev by Date: <STRONG><A HREF="msg00766.html">[MUD-Dev] Re: MUD Development Digest</A></STRONG> </LI> <LI>Next by Date: <STRONG><A HREF="msg00768.html">[MUD-Dev] Re: Java for Mud Client (Crossfire MUD topic)</A></STRONG> </LI> <LI>Prev by thread: <STRONG><A HREF="msg00774.html">[MUD-Dev] META: mud-dev#null,net is now decommissioned.</A></STRONG> </LI> <LI>Next by thread: <STRONG><A HREF="msg00761.html">[MUD-Dev] Re: Room descriptions, was Re: Roleplaying</A></STRONG> </LI> <LI>Index(es): <UL> <LI><A HREF="index.html#00767"><STRONG>Date</STRONG></A></LI> <LI><A HREF="thread.html#00767"><STRONG>Thread</STRONG></A></LI> </UL> </LI> </UL> <!--X-BotPNI-End--> <!--X-User-Footer--> <!--X-User-Footer-End--> <ul><li>Thread context: <BLOCKQUOTE><UL> <LI><STRONG>[MUD-Dev] Re: OT: Birth announcement</STRONG>, <EM>(continued)</EM> <ul compact> <LI><strong><A NAME="00779" HREF="msg00779.html">[MUD-Dev] Re: OT: Birth announcement</A></strong>, J C Lawrence <a href="mailto:claw#under,engr.sgi.com">claw#under,engr.sgi.com</a>, Mon 27 Apr 1998, 19:44 GMT <UL> <LI><strong><A NAME="00251" HREF="msg00251.html">[MUD-Dev] Re: OT: Birth announcement</A></strong>, J C Lawrence <a href="mailto:claw#under,engr.sgi.com">claw#under,engr.sgi.com</a>, Thu 30 Apr 1998, 00:25 GMT </LI> </UL> </LI> <LI><strong><A NAME="00786" HREF="msg00786.html">[MUD-Dev] Re: OT: Birth announcement</A></strong>, Jon A. Lambert <a href="mailto:jlsysinc#ix,netcom.com">jlsysinc#ix,netcom.com</a>, Mon 27 Apr 1998, 22:59 GMT </LI> </ul> </LI> <LI><strong><A NAME="00774" HREF="msg00774.html">[MUD-Dev] META: mud-dev#null,net is now decommissioned.</A></strong>, J C Lawrence <a href="mailto:claw#under,engr.sgi.com">claw#under,engr.sgi.com</a>, Mon 27 Apr 1998, 18:24 GMT <LI><strong><A NAME="00767" HREF="msg00767.html">[MUD-Dev] RE: How to represent a 3d object...</A></strong>, Justin McKinnerney <a href="mailto:xymox#toon,org">xymox#toon,org</a>, Mon 27 Apr 1998, 08:04 GMT <LI><strong><A NAME="00761" HREF="msg00761.html">[MUD-Dev] Re: Room descriptions, was Re: Roleplaying</A></strong>, John Bertoglio <a href="mailto:alexb#internetcds,com">alexb#internetcds,com</a>, Sun 26 Apr 1998, 21:39 GMT <UL> <LI><strong><A NAME="00772" HREF="msg00772.html">[MUD-Dev] Group mechanics/Leadership [was: Room descriptions]</A></strong>, Shawn Halpenny <a href="mailto:malachai#iname,com">malachai#iname,com</a>, Mon 27 Apr 1998, 14:33 GMT </LI> </UL> </LI> <LI><strong><A NAME="00758" HREF="msg00758.html">[MUD-Dev] Re: fwd [MUD-DEV] Re: Room descriptions, was Re: Roleplaying</A></strong>, Chris Gray <a href="mailto:cg#ami-cg,GraySage.Edmonton.AB.CA">cg#ami-cg,GraySage.Edmonton.AB.CA</a>, Sun 26 Apr 1998, 16:00 GMT <LI><strong><A NAME="00736" HREF="msg00736.html">[MUD-Dev] fwd [MUD-DEV] Re: Room descriptions, was Re: Roleplaying</A></strong>, John Bertoglio <a href="mailto:alexb#internetcds,com">alexb#internetcds,com</a>, Sun 26 Apr 1998, 07:26 GMT </LI> </UL></BLOCKQUOTE> </ul> <hr> <center> [ <a href="../">Other Periods</a> | <a href="../../">Other mailing lists</a> | <a href="/search.php3">Search</a> ] </center> <hr> </body> </html>