is it normal that I have to run the sim twice to get the initial velocity to kick in (like the array layout)?
Well, like I wrote before, it's always a good idea to rewind your scene after making any changes to rigid bodies to allow Dynamica to reset itself.I don't know about the new constraints, Herbert Law, who added the constraints functionality to Dynamica wrote a little guide (see bottom of page): Issue 221: Fix and Extend BulletMayaPluginsorry if this is covered somewhere else in the forum but I can't wrap my head around how the hinge is supposed to be set up. I am getting some crazy behaviour with a hull mesh and a hinge
If your simulation starts off with interpenetrating objects, they will explode like that; you should avoid having rigid bodies interpenetrating at the start of a simulation to avoid explosions. It definitely looks like the object you are using as a floor is colliding with the bricks, try moving it lower. It looks like you are using a cube primitive for a floor; note that cube primitives have an extra collision margin around them, a small gap of about 0.04 units, so you can't line up a cube primitive right up against another rigid body because you will start off with an interpenetration / collision, and therefore a potential explosion. (Plane primitives are ideal for floors.)so everyone once in a while, I get an unstable start but it doesn't always fix itself the second time around: [...]Is there a way to avoid that? If I bake animations, half the time, it's the bad sim.
By the way, with my Bricks on Curve script, you can close your curve and the bricks will line up and form a continous wall.
Statistics: Posted by RBD — Sat Jul 25, 2009 5:09 pm
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