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How to make grass not go through objects in Cinema 4d?
I like how the butterfly is interacting with the grass but I don’t like to see the actual hair (the grass) piercing the butterfly. As you can see the grass is going through the butterfly. Any ideas on how to solve this?
Here you can download the project…
https://www.dropbox.com/s/a9e3xh3ah42mous/Project.rar
Thanks,
Trajko -
6 Replies
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There’s a number of ways you could improve the dynamics here, but it will seriously slow down the playback and render. For example, you could increase the steps in the hair dynamics settings so the collisions are sampled more frequently. You could enable “surface to hair” in the Hair forces settings simulate wind from the butterfly wings. You could use hair collisions instead of guide collisions. Etc.
However … I think the best way to address it is to cheat. Render a separate pass with just the butterfly and comp that over the render with the grass and butterfly. You may need to roto a bit to preserve the grass overlapping the wing edges.
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As soon as I get home I will try that. Thanks for the reply.
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That actually did the trick. I saw that by selecting “Hair surface” from the Force tab that it’s making a nice effect like the wings are influencing the grass. But it’s influencing it too hard. Any thoughts on how to make it influence less?
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You can adjust the force and radius in the hair collision tag.
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composite seems like quickest way.
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Thanks a lot for helping out guys. I’m really grateful for this community.
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