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MoDynamics Scale Problem
I’ve got a scene setup with some chains, which simulates great & pretty fast. The trouble is everything is built at the scale of meters & centimeters. I need to work at real world scale (I’m tracking onto live footage), but when I size the dynamics setup down, so the chains are closer to centimeters & millimeters, the whole scene breaks down, running slow & with weird simulation results. I know there’s a scale setting under the expert tabs, but it doesn’t appear to have any result. Can anyone advise how I can get the dynamics to work with smaller scale values? I can provide more details if helpful!
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2 Replies
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you said Scale doesn’t appear to have any result, what did you try as values? It looks like you would want to try somewhere between 1 and 0.1. If that hasn’t helped I’d have to see the scene (or a minimized version)
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Hi, even though the problem was probably solved since the post, i’m posting a workaround which i just figured, maybe will be usefull for somebody else.
As Hamish was writing, the basic problem is, when you apply collider / rigid body on small scale (i was applying on 2 mm salt crystalls) it just doesn’t work the same as it works on large scale (ie.: rigid body piece about 10 cm).
I was following tutorials, forums, but just couldn’t find the solution.
What was finally was able to solve it for me, that i was doing everything in large scale, THEN scaled down the WHOLE PROJECT to the correct scale (ctrl+d > scale project), in this case everything worked as supposed to.
I was trying to figure out, what C4D does in the background, what values do i have to change by default to make it work, but couldn’t figure it out, if there is anyone who could tell me what should i change when i want to do dynamics in small scale, i would be very gratefull.
Anyway, i hope this post will be helpfull to someone who faces the same problem
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