jitter and ragdoll

Discuss issues specific to the Flash/AS3 port of Box2D
yarek
Posts: 4
Joined: Tue Jan 10, 2012 3:00 am

jitter and ragdoll

Postby yarek » Tue Jan 10, 2012 3:11 am

Hello,

I have created a simple doll with arms and legs (revolute joints).
Trouble is, once the doll has been launched (that's my game) and lands on the ground, it keeps on moving (jitters): so it never sleeps.

Is there a way to avoid this perpetual movement, jitters ?

Same happens with TestBed.swf demo and with wck demo (buoyancy)
I tried setting b2Settings.b2_velocityThreshold or change the joints and body part properties such as mass with no success.
Any clue ?

Regards

mmankt
Posts: 17
Joined: Sat Aug 01, 2009 12:31 pm
Location: Poland
Contact:

Re: jitter and ragdoll

Postby mmankt » Fri Jan 20, 2012 2:02 pm

it also happens in my game sometimes when the body makes a 'bridge'. anyways i would check all the bodies linear/angular velocity and if it's smaller then 'something small' after a second just force sleep on it. experiment with the values.


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