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Sphere gravity in reactor
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  • Crayox
  • Posted: 07 November 2009 07:34 AM
  • Total Posts: 57
  • Joined: 2008-05-08 14:47:17

Hi,
I need to create a chandelier like on the attached photo. Conform modifier is to direct, so I’m using reactor. The problem is that reactor uses linear gravity always, and I can’t make it use point gravity, or spherical.

I created a chandelier inside, and a sphere outside of it, and now I want to compress that sphere around the chandelier to get the cloth feel.

Any ideas?

Thanks in advance.



2xAMD Opteron 275, 4GB RAM, Tyan K8WE, 8800 GTX, MAX 2009 64 bit on Vista Ultimate 64

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  • Location: Vienna Austria
  • Total Posts: 1113
  • Joined: 2006-08-27 18:21:55

I think you could achieve it to some extend using gravity and reactor cloth modifier.
Convert the result in editable Poly and model it further using soft selection.

Also there is another approach without Gravity; just fix the appropriate vertices in the Cloth modifier and use Wind or a couple of Winds. I have no idea which method gives the better result, anyway, in the both of them you need to convert in Poly and transform it further.

ivan



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  • Crayox
  • Posted: 07 November 2009 08:21 AM
  • Total Posts: 57
  • Joined: 2008-05-08 14:47:17

Yes, that’s what I’m doing, but I want to change gravity from being linear and pulling down, to being center/circular and pulling to the center. But I don’t know how to do this with reactor.

Now, my sphere - cloth - just hangs on top lol



2xAMD Opteron 275, 4GB RAM, Tyan K8WE, 8800 GTX, MAX 2009 64 bit on Vista Ultimate 64

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  • MK-3D
  • Posted: 07 November 2009 02:21 PM
  • Total Posts: 680
  • Joined: 2008-07-23 22:00:42

Not sure you can in reactor, and I wouldn’t try to simulate that cloth with it anyway. Reactor cloth might be good for simple cloth, but the cloth modifier is better at complex cloth.

And with the cloth modifier, you can turn off it’s gravity and use the gravity force and set that to spherical.



3ds Max 2009 SP1
Windows Vista Business 64-bit SP1
Dual Intel Xeon 5140, 5 GB Ram
NVIDIA Quadro FX 3450

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  • Location: Vienna Austria
  • Total Posts: 1113
  • Joined: 2006-08-27 18:21:55

That’s the best result one can get through Reactor Cloth.
MK is right, the Cloth Modifier gives much more opportunities in this particular case, give it a try.
Anyway seeing that the object is symmetrical I maybe will try modeling just one segment and cloning it. In one way or another you will not be able to get it automatically, without pushing and pulling vertices after collapsing the cloth modifier I think. Good luck.

ivan



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  • Crayox
  • Posted: 08 November 2009 11:03 AM
  • Total Posts: 57
  • Joined: 2008-05-08 14:47:17

Thanks guys. I’ll try the cloth modifier.

I see Ivan put winds to push it, also an interesting idea. Will try that too.



2xAMD Opteron 275, 4GB RAM, Tyan K8WE, 8800 GTX, MAX 2009 64 bit on Vista Ultimate 64

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  • Crayox
  • Posted: 08 November 2009 11:59 AM
  • Total Posts: 57
  • Joined: 2008-05-08 14:47:17

Cloth worked perfectly! I got what I wanted. I just made it compress, changing the U and V scale value.

Thanks again, and here’s the result.

We’ll be using a smaller version, so it’s a bit different.



2xAMD Opteron 275, 4GB RAM, Tyan K8WE, 8800 GTX, MAX 2009 64 bit on Vista Ultimate 64

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