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Dynamics interacting with displacer

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Tj Smith
Dynamics interacting with displacer
on Mar 25, 2019 at 10:22:17 pm

Im trying to have the spheres from the emitter (Rigid Body) interact with the plane (Collider Body) but the simulation is not being affected by the displacer on the plane.

The problem is the spheres hit where I assume the plane would exist without the displacer, instead of interacting with the animated displacement on the plane.

Attached a simplified scene to show the issue, any tips what am I missing / doing wrong?









screenshot2019-03-25at4.13.52pm.png


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Jim Scott
Re: Dynamics interacting with displacer
on Mar 26, 2019 at 12:18:50 am

For the plane's dynamics tag, change the collision "Shape" to Static Mesh (or Automatic (MoDynamics) or Moving Mesh). Right click on "Shape" and select "Show Help" for more info.



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Tj Smith
Re: Dynamics interacting with displacer
on Mar 26, 2019 at 12:25:46 am

Worked thank you!


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Jim Scott
Re: Dynamics interacting with displacer
on Mar 26, 2019 at 1:12:28 am

Glad to help, and thanks for reporting back.


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Steve Bentley
Re: Dynamics interacting with displacer
on Mar 26, 2019 at 2:35:04 am

You can also "fix" that displaced mesh so c4d is not having to calculate that displacement on every frame. Might seem quick in the viewport but you probably have more tessellations built in for the render. Right click on the object and select "Current State to object". That will flatten the deformers and generate a fixed mesh.



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