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Posted 25 March 2013 - 05:38 PM
Posted 25 March 2013 - 06:56 PM
I think there's a graphics engine that supports marching cubes and hence arbitrary terrain destruction.. C4 engine by Eric Lengyel. An extra feature is it supports LOD without cracks, which is difficult to get right. The author is a member here too It's a bit expensive though but it's what first popped into my mind when you mentioned fully destructible terrain.
“If I understand the standard right it is legal and safe to do this but the resulting value could be anything.”
Posted 25 March 2013 - 08:39 PM
Posted 25 March 2013 - 08:51 PM
FWIW, my engine (BGBTech) also uses voxels (and supports destructible terrain), using a tweaked variant of "elastic surface nets" for the voxel terrain, but deliberately keeps more of the shape of the blocky voxel terrain intact mostly because this is a useful visual hint when it comes to navigation and building things, but the smoothing created by the ESN strategy does at least make it look a little more "natural", giving it slightly more of a terraced look in place of the usual blocky look.
however, ESN can also give much smoother looking terrain as well.
however, the engine is still a bit in-development though (not really "mature"), and comes with source, but isn't strictly FOSS though (more like "free for non-commercial use" for now, and otherwise is presently donationware).
Edited by cr88192, 26 March 2013 - 07:46 PM.
Current Status / Downloads: http://cr88192.mooo.com:8080/wiki/index.php/BGB_Current_Status
YouTube Channel: http://www.youtube.com/user/BGBTech
Posted 26 March 2013 - 09:55 AM