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Subject: Meta Balls


GreenHawke ( ) posted Tue, 08 December 2009 at 11:49 PM · edited Fri, 29 November 2024 at 3:38 AM

Hi All!

I have a question about Meta Balls.  I made the hull of a ship using Meta Balls for the way they kind of meld together.  I made sure they were all (+) and then attempted to make an opening using an elongated cube that was (-).  And no opening.  Do meta balls not work like other Bryce shapes?  I have about 8 meta balls that make up the hull.  Each one is (+) and then I grouped them together and made the group (+).  After that, I added the (-) cube and it was as if I had done nothing but added the cube to the structure.

Does any one know what gives here?

Thanks in advance!

Kevin

The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' (I found it!) but 'That's funny ...'
Isaac Asimov (1920 - 1992)


eyeland ( ) posted Wed, 09 December 2009 at 1:10 AM

Metaballs can only be booleaned with other metaballs, they don't interact with other Bryce objects. And checking the "+" or "-" in a metaball attribute box has no effect. You create a negative metaball by holding down the shift key when you create a metaball. Probably not the answer you were hoping for, but I hope that helps...

"Every child is an artist. The problem is how to remain an artist once we grow up." - Picasso


TheBryster ( ) posted Wed, 09 December 2009 at 7:33 AM
Forum Moderator

Eyeland is correct.

Available on Amazon for the Kindle E-Reader

All the Woes of a World by Jonathan Icknield aka The Bryster


And in my final hours - I would cling rather to the tattooed hand of kindness - than the unblemished hand of hate...


bobbystahr ( ) posted Wed, 09 December 2009 at 9:40 AM

I guess what we need is a Meta Cube to go with the meta Ball eh?...I wonder if that's even a mathamatical possibility.. ...

 

Once in a while I look around,
I see a sound
and try to write it down
Sometimes they come out very soft
Tinkling light sound
The Sun comes up again



 

 

 

 

 


GreenHawke ( ) posted Wed, 09 December 2009 at 10:12 AM

Thanks to you all for the answer!  I can still do what I wanted, but it will be more difficult using negative metaballs.

Thanks very much!!!

Kevin

The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' (I found it!) but 'That's funny ...'
Isaac Asimov (1920 - 1992)


TheBryster ( ) posted Wed, 09 December 2009 at 11:08 AM
Forum Moderator

If you need some inspiration as to what metaballs can achieve....:

http://www.renderosity.com/mod/gallery/index.php?image_id=1551181&user_id=122226&np&np

Available on Amazon for the Kindle E-Reader

All the Woes of a World by Jonathan Icknield aka The Bryster


And in my final hours - I would cling rather to the tattooed hand of kindness - than the unblemished hand of hate...


bobbystahr ( ) posted Wed, 09 December 2009 at 11:18 AM

Indeed...that's one impressive wheel job.. ...

 

Once in a while I look around,
I see a sound
and try to write it down
Sometimes they come out very soft
Tinkling light sound
The Sun comes up again



 

 

 

 

 


GreenHawke ( ) posted Wed, 09 December 2009 at 11:42 AM

Just checked that out.  MAN!  That is really impressive work!  And, yes Bryster, it IS motivating, but WOW!  What a task...  I guess I need to give a new look at metaballs...

Wow!  I cant's get over what a great job on that wheel!

Kevin

The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' (I found it!) but 'That's funny ...'
Isaac Asimov (1920 - 1992)


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