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Domino piece slanted
Hi everyone,
I'm trying to build a domino track, so that you drop the first piece and it produces a chain reaction. However, I noticed that sometimes pieces would fall on its own. The problem seems to be that even if I place them completely vertical, they have a small rotation.
This is very easy to repro from scratch:
Add a plane in 0,0,0
Add a cube of dimensions 0.1, 0.1, 0.01 placed floor level (0, 0.05, 0), with a rigid body
Initially the rotation is 0, but when it starts then the rotation is for example (-1.3, 0.016, 0). Sometimes is enough to tip pieces over.
Why is that? is there a numerical error? am I missing something?
I've tried all this so far, I'm running out of ideas:
Changing the depth, of course deeper is more stable, but then it's harder to tip them off, so it's not really a solution for what I want to do.
Changing drag and angular drag doesn't seem to change anything
In play mode, reset the rotation to 0 to check if it was an initial micro-collition with the floor, still it gets tipped over
Played with moving a bit the center of mass, I can balance a bit better but doesn't really solve it.
I used
Sleep
on the pieces, that made it much better, but they're still tipping of sometimes before getting hit, I don't understand how that's happening.
Any other ideas?
Thanks!
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