[ODE] Rope Simulation

Limor Schweitzer limor666 at hotmail.com
Fri Aug 4 09:26:54 MST 2006


I got quite good result playing around with ERP/CFM check out http://ezphysics.org
the demo does look like a rubbery kind of rope but for less rubbery results I increased the weight of the capped cylinders composing the rope.



> Date: Fri, 4 Aug 2006 11:05:43 +0200> From: conn at smsc.no> To: ode at q12.org> Subject: Re: [ODE] Rope Simulation> > > > Lower the suspension point of the rope (the attachment point) without > > adding another segment, until you have space to insert another > > segment; then you attach the segment to the top of the rope and the > > segment to the top of the ceiling again.> >> > Note that you don't need to render the rope the same way you simulate > > it; you always render it going all the way up.> This is what i have done for my rope and it works really good. Thoo I > have big problems with making the rope stable. It tends to explode when > it's streched, the ball joint gets pulled apart.> I actually found the fixed joint to be most stable. I have implemented > my own version of the fixed joint, where i have added the possibility to > set the CFM and ERP individually for linear and angular motion in each > axes. This way i can simulate ropes with different strecthing, bending > and twisting properties. I have limited testing with this joint, but > from what i have testet i have gotten the best result from this joint.> The big setback is that too many joints really kills the performance > since im actually setting 0 dof between the capsules jointed together.> _______________________________________________> ODE mailing list> ODE at q12.org> http://q12.org/mailman/listinfo/ode
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