[x3d-public] Deformable Skin Animation

Leonard Daly Leonard.Daly at realism.com
Fri Nov 11 19:50:28 PST 2016

On 11/11/2016 11:01 AM, doug sanden wrote:
> Wouldn't a deformable skin/ skinCoord example be like BoxMan.x3d in the HAnim examples?
> Or do you mean you're trying to do it without the HAnim nodes, calculating it from scratch?

Without H-Anim. X3DOM has not implemented H-Anim and that type of 
animation needs to be available in there. I used BS Contact because I 
didn't want to have to create the entire node structure to develop and 
test the algorithm.

Leonard Daly

> ________________________________________
> From: x3d-public <x3d-public-bounces at web3d.org> on behalf of Leonard Daly <Leonard.Daly at realism.com>
> Sent: November 11, 2016 10:53 AM
> To: X3D Public
> Subject: [x3d-public] Deformable Skin Animation
> I am trying to construct an example of deformable skin based on joint animation. The example calculates the new vertices for a very simple (and small) object. To work slowly through the process, I started the work in BS Contact. The calculation involves some matrix calculations. These appear to not be available in BS Contact's Script node. I have found problems with
>   * X3DMatrix4
>   * X3DMatrix4.setTransform
>   * X3DMatrix4.multMatrixVec
> This is the first time I have tried anything like this -- so I very well may be doing this wrong. If anyone has any references or examples where they did calculations with 4x4 matrices in BS Contact, please let me know.
> So far, I have unrolled the calculations and am advancing (aka debugging) the algorithm. I will soon move it into X3DOM.
> --
> Leonard Daly
> 3D Systems & Cloud Consultant
> President, Daly Realism - Creating the Future
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*Leonard Daly*
3D Systems & Cloud Consultant
President, Daly Realism - /Creating the Future/
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