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RE: [Virtools] animated boolean BB

Title: Message
your pb is not simple..3d boolean operations are not quite easy to program if you're not familiar with programming..and result would probably be incompatible with real time constraints anyway..
 
For very simple models (geometric ones also), you could try to approximate your 3d volume with little cubes (voxel). Then you can add or remove those little cubes to change the global volume.
In that case, if you have 2 objects formed of little cubes, you can compute collision between the cubes of the 2 volumes (with collision fonctions of Virtools), to perform boolean operation.
(if Object1_Cube742 is in collision with Object2_Cube345, then remove Object1_Cube742 (bool substr.) or add Object2_Cube345 to Object1 (bool add.) ..)
....but the result will be quite "3d aliased" I would say !!
 
Arnaud.
-----Original Message-----
From: owner-virtools-user-group@lists.theswapmeet.com [mailto:owner-virtools-user-group@lists.theswapmeet.com] On Behalf Of PORRMANN&AWATER NEW MEDIA GMBH
Sent: jeudi 23 mai 2002 16:08
To: virtools-user-group@lists.theswapmeet.com
Subject: RE: [Virtools] animated boolean BB

Hi,

thanks for your fast reply.

No, premodelling any possible solution isn't a way since the user should have any freedom to

mill an object. Imagine a mill simulation where a user mills a a tool or a motor part in a realtime simulation. Or a game where e.g. an ant eats up an apple and the user controls the ant.

Inside the sdk is there any helpfull start or do I have to do that from scratch? Sorry, I'm a non programer and have to ask such stupid questions.

best wishes

-Thomas

 

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