Constructive Solid Geometry
Hi there,
Does anybody know of any good tutorials on the web about Constructive Solid Geometry, such as is used by Unreal?
I found one at http://www.cfxweb.net/~aggrav8d/tutorials/csg.html but it doesn''t go into very much detail at all.
If not on the web, then any good text books covering the topic would be greatly appreciated.
Thanks in advance,
Andy Geers
Constructive Solid Geometry (CSG) is the addition/subtraction/intersection of 2 or more meshes. e.g. if you have a large cube and a small cube thats overlapping with the large cube, subtraction of the small from the large would give you the large cube with a chunk cut out of it where the small cube was.
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CSG was used in Unreal??
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[edited by - joanusdmentia on January 19, 2003 8:01:30 PM]
[edit]
CSG was used in Unreal??
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[edited by - joanusdmentia on January 19, 2003 8:01:30 PM]
Yes, I believe Unreal did use CSG. But not like in Quake, where you subtracted/added/intersected brushes, in Unreal, the world was treated as a huge piece of clay basically and you cut out your world using different shapes.
not much help really but...
IMO: best way of doing CSG is using BSP trees, they are very good for this.
I vaguely remember seeing something on flipcode->ask midnight..try that...otherwise try searching BSP/CSG
IMO: best way of doing CSG is using BSP trees, they are very good for this.
I vaguely remember seeing something on flipcode->ask midnight..try that...otherwise try searching BSP/CSG
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