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### DarkBASIC Professional Discussion / CSG?

Message
Posted: 29th Aug 2002 16:41
When I was looking over the features list I saw Constructive Solid Geometry (CSG). Is this where you can combine 2 or more objects together so they act like one (if that makes any sense ). Or have i gone completely mad?

crawlin
P4 1.6GHz - 256Mb DDR RAM - GeForce 2 MX400 - SoundMAX Integrated Sound - Windows XP Home
Posted: 29th Aug 2002 16:52
just ripped this info off a website after using google

"Constructive Solid Geometry is the process of building solid objects from other solids. The three CSG operators are Union, Intersection, and Difference. Each operator acts upon two objects and produces a single object result. By combining multiple levels of CSG operators, complex objects can be produced from simple primitives.

The union of two objects results in an object that encloses the space occupied by the two given objects. Intersection results in an object that encloses the space where the two given objects overlap. Difference is an order dependent operator; it results in the first given object minus the space where the second intersected the first."

Specs:- 1GHZ athlon, Radeon8500, 192mb ram
Posted: 29th Aug 2002 17:57
Thanks haggisman. That helps alot

cheers
Crawlin

P4 1.6GHz - 256Mb DDR RAM - GeForce 2 MX400 - SoundMAX Integrated Sound - Windows XP Home
Posted: 31st Aug 2002 08:12
these should be VERY usefull. anyone know if there decently fast in realtime?

Goto http://www.shellshockede.com
Posted: 1st Sep 2002 08:31
It's called Boolean in 3dsmax. It runs pretty instant in max. So I'm guessing it's no major calculations. Would be cool for blowing up stuff.

Blue Blood FX
Check it out, RIGHT NOW!
http://64.239.107.66/bluebloodsoft/
Posted: 1st Sep 2002 09:47
i think the proper term for the idividual actions is boolean, but the general concept is called CSG.

Goto http://www.shellshockede.com
Posted: 1st Sep 2002 14:17
this thread (http://www.realgametools.com/yabbse/index.php?board=14;action=display;threadid=6039) on the RGT forums starts about CSG but quickly deteriates. Lets hope that never happens here.

crawlin

P4 1.6GHz - 256Mb DDR RAM - GeForce 2 MX400 - SoundMAX Integrated Sound - Windows XP Home
Posted: 1st Sep 2002 19:16
This means that you can blast a hole in the wall and make a tunnel into another just like red faction (Geomapping?)
Posted: 2nd Sep 2002 00:28
yea exactly!

The way they did it was the they had a blast object attached to the bombs. So then they performed the intersection on the Level with the blast object and the level losts parts like that.

Blue Blood FX
Check it out, RIGHT NOW!
http://64.239.107.66/bluebloodsoft/