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Question by electricsauce · Sep 30, 2012 at 07:42 PM · physicsrigidbodycollider

Physics question

I made a crate with separate planks, each with a rigid-body and box collider(there are no physics joints yet). For some reason, the planks slide in one direction as if there is a constant force. What could cause this to happen?

crate vid

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avatar image hvilela · Sep 30, 2012 at 08:10 PM 1
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When the create hits the ground and you replace it by small pieces, do you apply any forces to it? If yes, could you post the code?

avatar image electricsauce · Sep 30, 2012 at 08:22 PM 0
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I do eventually plan on having the planks replace the crate, but as it sits now it's just the planks, no scripting involved.

avatar image Dreamblur · Oct 01, 2012 at 07:15 AM 0
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Try putting the splinters in their own layer and removing their interaction with each other (via layer). Also, check if your ground is perfectly parallel to the xz-plane. $$anonymous$$ost likely, you've already checked that, but it doesn't hurt to give it a double-check.

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Answer by electricsauce · Oct 01, 2012 at 05:05 PM

It turns out that the floor sections had a rigidbody on them. This in itself shouldn't cause the problems I was having, so I kept looking. It turns out that Blender's fbx exporter gives all meshes an animation by default. I don't think it plays well with rigidbodys in Unity.

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avatar image electricsauce · Oct 01, 2012 at 05:09 PM 0
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I'm only using box colliders

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