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How to create / animate a large crowd moving over terrain.

Hi! As the title says, I want to essentially create a "fleeing crowd" shot, running across a hilly terrain. It's going to be a GIGANTIC crowd. Thousands of people all running away from a monster on a hill.

I'm thinking I'll....

1 - Create 4 or 5 low-poly human characters on a looping run animation.

2 - Essentially treat them in the same way I would as if populating a forest... Clone them along the surface of the terrain. Do a Plain Effector which scales them to zero (invisible). Then use a Shader field to create a mask on the Plain for where the people are visible.

Where I'm scratching my head is... How would I MOVE the clones forward in a way which they follow the topology of the terrain.

All the tools I can think of (Offset on the cloner / position change with Plain or Random field etc) will only ever make it so the clones travel directly on X,Y or Z. It's the "staying stuck to the topology of the terrain as they move" part of this which I cannot think of a solution for.

I'm sure this is VERY possible!... I just don't know how! Would love to know if anyone has any ideas.

https://redd.it/1v8trk4
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Fresnel shader in Arnold?

Hi there, does anyone know how to get a Fresnel look in C4D using Arnold? I believe you do it via the facing ratio node, but I'm stuck.

Specifically, I'd like to use the shader to drive the transparency of my objects, so they are soft/translucent as their faces curve away from the camera. And I want to that translucency to affect the shadows they cast. Much appreciated!

https://redd.it/1v9je75
@Cinema4Dbackup
Isolate and Edit

One thing I find my self doing a lot, when in a complex model, is I copy and paste the objects I'm having an issue with so I can work on it clearly both visually and in the object manager ... far away from the massive projects noises ...

Is there some workflow of quick-keys action for this?, like selected Objects into a new window.

I'd also like that new window to be floatable :-O :-)

https://preview.redd.it/hggk24a60cgh1.png?width=4000&format=png&auto=webp&s=b2c31cde765baac0dc2adb9ffd71abfc0960e95b



https://redd.it/1vao5bl
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