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Dynamics; car falling thru ground

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Jukka KlemettiDynamics; car falling thru ground
by on Aug 29, 2011 at 7:05:57 pm

I cannot figure this out: I´ve a car with multiple parts and a ground. I´ve added dynamics tags to them but the car keeps to fall thru ground. What would the settings be that I can drop the car to the ground?


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Brian JonesRe: Dynamics; car falling thru ground
by on Aug 30, 2011 at 4:47:51 am

what version of C4D and what type of Dynamics (if it's not R12)


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Jukka KlemettiRe: Dynamics; car falling thru ground
by on Aug 30, 2011 at 5:42:51 am

It is R12. I added dynamics tags from the Tags-menu.


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Bill KellyRe: Dynamics; car falling thru ground
by on Aug 30, 2011 at 7:11:45 am

On the Floor try deleting the tag, then right click on the Floor in the Object Menu, go to Dynamics Tags, and choose Dynamics Body.

Or, in the Simulation menu, choose Dynamics Tags >> Create Collider.

Either one should work.




To see tutorials, articles, tips, free stuff, and more visit my post-production blog at http://thekellzone.com


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Jukka KlemettiRe: Dynamics; car falling thru ground
by on Aug 30, 2011 at 8:25:01 am

It works when there is one united object. It drops nicely on the floor. But when I try to use a car with separate parts, it falls thru.


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Bill KellyRe: Dynamics; car falling thru ground
by on Aug 30, 2011 at 11:18:18 am

Take all the individual parts that need to be together as one object and group them into a Null Object. Apply the Rigid Body Dynamics tag to the Null Object. Repeat for each group of parts, keeping all the Nulls inside the car object.




To see tutorials, articles, tips, free stuff, and more visit my post-production blog at http://thekellzone.com


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Jukka KlemettiRe: Dynamics; car falling thru ground
by on Aug 30, 2011 at 1:06:29 pm

I got it working by putting Inherit tag to Compound collision shape.
I´m just following the greyscalegorilla.com´s tutorial. When I make simple box as a car body and cylinders as wheels, everything works as tutorial guides.

Now I´m trying the same with actual car model. Now the car body is falling on the ground after that inherit tag thing. I made wheels as simple cylinders, added connectors to all and put motors to the body.
The problem now is that the car body falls right on the ground and also wheels do the same. The body is nor falling on the wheels.


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sean bowermanRe: Dynamics; car falling thru ground
by on Jan 14, 2012 at 2:45:36 pm

hi, did you ever get this to work? i have exactly the same problem....


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