Bullet belt making my head spin..

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mikeb
Messaggi: 139
Iscritto il: sab gen 02, 2010 12:31 am

Bullet belt making my head spin..

Messaggio da mikeb »

Base80 did a great tutorial years ago on attaching a spline between 2 objects.

http://www.base80.com/index.php/2006/02 ... 2_hair_tut

So using this and the mograph module i've made the belt feed for a gun.

http://www.doghouseanimations.com/t800/gunfeed2.mov

But i still have a problem. As you can see the belt likes to rotate. So any ideas on how to stop it rotating?
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masterzone
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Iscritto il: ven set 17, 2004 5:34 pm
Località: Verona

Re: Bullet belt making my head spin..

Messaggio da masterzone »

I mike, interesting animation (ps: if you need you can attach files or movies directly to the forum, as zipped file).

I think that there is a banking problem maybe solvable with a tip goal, the continuous rotation of spline points or tangents give a strange rotation to the object...let me thinking about it :)
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visualtricks
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Iscritto il: gio set 23, 2004 5:13 pm
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Re: Bullet belt making my head spin..

Messaggio da visualtricks »

Hi,
as you have moGraph, you can try a Target effector to constraint the up vector of clones, stopping them from being tangent to the spline points, thus from rotating on every move. I think this may work :) see attached files.

cheers
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bullet_belt.zip
(11.08 KiB) Scaricato 114 volte
belt.gif
belt.gif (550.47 KiB) Visto 1941 volte
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mikeb
Messaggi: 139
Iscritto il: sab gen 02, 2010 12:31 am

Re: Bullet belt making my head spin..

Messaggio da mikeb »

That looks good but i've gone in a completely new direction as i can't get both ends targeted..

After some help from elsewhere a guy called vozzz had a different idea. So here is how the cloth idea went..

http://www.doghouseanimations.com/t800/gunfeed4.mov

The effect works, but i always feel the cloth engine seems to simulate in slow motion. What can be done about that? I am planning on using cloth quite a bit so any ideas would be great..
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visualtricks
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Messaggi: 3561
Iscritto il: gio set 23, 2004 5:13 pm
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Re: Bullet belt making my head spin..

Messaggio da visualtricks »

uhm.. personally i think spline dynamics have more natural and realistic movement for this rope-kind of things and maybe are a bit less complicated to set up.
What was the issue on constraint both ends of the spline ? You can use multiple constraint tags on different points, and have as many as you like... (just shooting in the dark, i don't know if this is the right solution for your work).
Anyway, you can adjust the stifness of the cloth to get a more flexible mesh, or raise up the gravity
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vozzz
Messaggi: 6
Iscritto il: mar dic 29, 2009 7:05 am

Re: Bullet belt making my head spin..

Messaggio da vozzz »

hehe, wow this is old, and look its me who helped.

you guys don't get a lot of action in your english forums do you?
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masterzone
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Messaggi: 10352
Iscritto il: ven set 17, 2004 5:34 pm
Località: Verona

Re: Bullet belt making my head spin..

Messaggio da masterzone »

:) because the italian forum was created ten year ago, and the english forum is six months old :) need to be shared over the internet :) we have about 5000 english language users :) but we need help for sharing c4dzone english side
vozzz
Messaggi: 6
Iscritto il: mar dic 29, 2009 7:05 am

Re: Bullet belt making my head spin..

Messaggio da vozzz »

Hehe ok, makes sense :)

Well i'll do my part to make it more active.

Love your smileys! :arrow:
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masterzone
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Messaggi: 10352
Iscritto il: ven set 17, 2004 5:34 pm
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Re: Bullet belt making my head spin..

Messaggio da masterzone »

oh thank you! I hope you like C4Dzone :)
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