Using physics to place assets in ue4

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Hi all, I must have my terminology incorrect because I cant find a solution online. I'm (almost) sure I've seen a video of someone distributing objects with Houdini engine and then somehow activating physics to drop them into place. Can anyone point me in the right direction? Was it a dream?

Thanks in advance
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Physics Painter perhaps?

https://www.sidefx.com/tutorials/game-tools-physics-painter/ [www.sidefx.com]

Solaris also supports similar physics layout behavior

https://www.youtube.com/watch?v=JZbNyWw4nHw [www.youtube.com]
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Yes that’s what I’m thinking of, but inside unreal. Could I scatter Houdini objects onto ue4 static meshes somehow?
Thanks for the response
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So it all depends what you are trying to do.

One approach might be to scatter various meshes in Houdini and simulate them in a DOP network, then output them to the UE plugin as instances. (You could also import the ground collision into houdini if needed.)

Simon has a great video on Youtube describing the instancing workflow:

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