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Ragdoll Physics

OVDOVD Posts: 253
in Technical Help (nuts n bolts)

Hi all

Simple question; not simple answer, I'd imagine. 

Is it possible to simulate ragdoll physics in DAZ animation? Like take a rigged character like the DAZ Dog or a Genesis 8 figure and just make them go limp? 

Thanks! 

Comments

  • wolf359wolf359 Posts: 3,821
    No.
  • richardandtracyrichardandtracy Posts: 5,522

    Actually, I think there is a chance you could.

    You would have to apply an initial pose then use the Spring Dynamics script from the store (https://www.daz3d.com/spring-dynamics-for-daz-studio) and apply a low stiffness and damping such that you don't get vibration. It would be trial & error to get it right, but I think it may be possible.

    Regards,

    Richard

  • Faeryl WomynFaeryl Womyn Posts: 3,547

    Couldn't dforce work for this. Apply to the appropriate parts and run the sim, just be careful if you save so you don't overwrite the original.

  • Richard HaseltineRichard Haseltine Posts: 99,413

    Faeryl Womyn said:

    Couldn't dforce work for this. Apply to the appropriate parts and run the sim, just be careful if you save so you don't overwrite the original.

    Despite the name a ragdoll simulation keeps most parts rigid and just lets the joints flop around - really its more like a marionette without strings.

  • wolf359wolf359 Posts: 3,821

    Richard is correct.

     
    A ragdoll simlulation is effectively a rigid body simulation 
    with constraints at the limb joints.

    it is typically acheived via invisible proxies that are auto
    created by the Physics engine on each major bodypart

  • WendyLuvsCatzWendyLuvsCatz Posts: 38,046
    edited January 2021

    I can do ragdoll with my Poser7 physics plugin cheeky

    probably out of luck buying that now or Poser 7

    I recently reinstalled it on my Win7 PC and converted the saved M4 "poses" for genesis 8 too

    Post edited by WendyLuvsCatz on
  • wolf359wolf359 Posts: 3,821
    edited January 2021

    I still run the old Endporphin  
    software on two of my Old PC's
    the exported BVH are full compatible with Millenium 3

    And after that, importing into 3DX is a breeze

     

     

    Post edited by wolf359 on
  • TheMysteryIsThePointTheMysteryIsThePoint Posts: 2,923

    wolf359 said:

    I still run the old Endporphin  
    software on two of my Old PC's
    the exported BVH are full compatible with Millenium 3

    And after that, importing into 3DX is a breeze

     

    Ha ha, nice @wolf359

  • onixonix Posts: 282

    OdinVonD said:

    Hi all

    Simple question; not simple answer, I'd imagine. 

    Is it possible to simulate ragdoll physics in DAZ animation? Like take a rigged character like the DAZ Dog or a Genesis 8 figure and just make them go limp? 

    Thanks! 

     

    This could be done with a script but one big problem is collision detection the result of the primitive simulation will be just all limbs getting straight and pointing right down.

    As I understand "spring dynamic" script will have the same problem 

    simulating things in a way that legs do not go through the body will be much harder

     

  • WendyLuvsCatzWendyLuvsCatz Posts: 38,046
    edited January 2021

    video click to play

    yet the Poser7 python managed to detetect collision back in the day in 2011

    Post edited by WendyLuvsCatz on
  • Richard HaseltineRichard Haseltine Posts: 99,413

    It might be possible with bounding boxes (or cylinders) - I've a feeling thast the Poser Rag Doll tool was figure-specific (and obviosuly has trouble fully resolving).

  • WendyLuvsCatzWendyLuvsCatz Posts: 38,046

    Richard Haseltine said:

    It might be possible with bounding boxes (or cylinders) - I've a feeling thast the Poser Rag Doll tool was figure-specific (and obviosuly has trouble fully resolving).

    that scene used Simon but I have used M4 and it saves as a pz2 animation

    as an aside:That is actually a Carrara render of a Poser scene too, it loaded in DAZ studio too 

  • IsaacNewtonIsaacNewton Posts: 1,300

    Bounding boxes might indeed be the way to go. However, wolf359's simple answer of "No" is correct at the moment. Ragdoll physics, and physics in general has been around a long time in 3d and has been a requested feature in DAZ Studio for a long time. Maybe DAZ Studio 5.0 will introduce it?

     

  • wolf359wolf359 Posts: 3,821

    The old poser physics plugin was actually a powerful unified rigid body/ragdoll simulator based on the freely available ODE engine.

    I used it in paid commercial animation work using poser 6.

  • wolf359wolf359 Posts: 3,821

    12 year old video BTW

  • WendyLuvsCatzWendyLuvsCatz Posts: 38,046

    wolf359 said:

    12 year old video BTW

    pity it was not supported after 7 

    I did try it in subsequent Poser releases

    but yes it still works up to 7 and 7 is also before the Adobe air thing and doesn't phone home hence my reinstalling it on my other rig yes

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