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Hi everyone, I'm currently trying to recreate a smear/stretch effect in Cinema 4D, similar to the traditional animation smear effects seen in Blender or the old CA Motion Stretch Deformer plugin for C4D. I've been experimenting with both Xpresso and Scene Nodes to build this effect, and my initial idea was to store the point positions over time (using some kind of internal cache or memory) and then use that data to drive the deformation along the motion path. However, I haven't been able to get it working — even after trying with ChatGPT and doing lots of tests, it still doesn't work because i dont have all the knowledge. I'm reaching out to ask if anyone could assist me with building this effect: Either as a free collaboration if you want help me, Or as a paid freelance task, if it’s something that requires deeper development and time. Any help, suggestions, or pointers would be greatly appreciated. Thanks so much in advance!

That is a heavy scene, try first remeshing the hair than play with cloth or softbody

Okay I've been working on this project forever and im about run out of time. the fantastic four movie came out and I was making an animation of the surfer surfing through space I was wondering someone could help me make this female surfer's hair flow and move with the speed turbulence of the animated movement (direction of surf), I want it to either look like its trailing behind like a comet or flames or just the polgon shifting itself. Let me know if the can get fixed. Right now I tried getting the hairline to stay conjoined to the head so that itll stay attached but the cloth-like hair will trail behind but what it did instead was leave the hair behind entirley and start stretching the hairline all the way throughout the animatioin without stopping. ill link the file. I use Cinema 4D R18. I know it's old so some things might not transfer over. Untitled 2.c4d

@MJV - I attempted to make this work by creating two versions w/ different offset amounts and using the Morph deformer to blend via field strength. Unfortunately because the gaps are created by booleans, even very slight differences in offset strength result in different point counts/orders; which means a morph won't work. I also attempted to generate a varying voronoi pattern based on the Voronoi Noise and piping the rendered result through a Vectorizer - which didn't give me much. All this to say... I wish you the best of luck, this is a stumper.

Working on one of the scenes from my story and updating it from the old version. I think it is an improvement but I am wondering if it looks a little bit to creepy/sinister? Love to know what others think… Broom Room HB v01.mp4

Hey. Haven't posted here for awhile but hope everyone is doing ok under our new AI overlords and oligarchical corruption regimes. Despite the world being a complete mess at the moment I do find myself suddenly needing to figure out a way to control the offset of voronoi fragments in this model I'm working on . I am using R20 and it seems not possible but maybe later versions can do it with fields or forces or texture map?

I've experience this before. Last night, I cached the rigid bodies and that didn't even help. I think this is a bug and since we have the new rigid bodies, I don't think they will ever address this issue. The problem is that in a lot of cases, the new rigid body collisions don't work as well as the Bullet rigid bodies.

Done; thank you for the clarification.

alt+v

Thanks but only getting perspetive, but able to do safe frames and get rid of world axis

shift + v

Why is it when you put a collider tag on your scalp hair still seems to smash through it? This is another of my old characters that I am testing out so ignore the hand going through the floor, just trying out hair in C4D 🙂 Minkey Boy Breakdance HB v03.mp4

How do I get to this?

You can also use a Noise Modifier (available via Commander) in Modifier space to alter the orientation of a noise. disp_nosie_trans.c4d

@A P That plugin is not helping 🙂 Here is a simple scene, hopefully it is what you are after. You can rotate the noise in displacer disp_nosie_trans.c4d

Height is an issue, but more so, the lack of parallax left to right. The perspective will never match up correctly except for a viewer who aligns their eyes with where the camera is when you render. This is what OSL shaders do in the 3d world, but that won't translate to playback on an actual plasma screen in an installation. Not sure there is a live solution without the user wearing some kind of glasses/viewer. You can test this - render a box interior and full screen it on your monitor and then move around. It can still look nice, but it won't look "real". Closest thing I can think of is Beeple's Human One, but it's not a direct comparison. This exact problem is what Unreal engine solves on volume stages. The software has position of the camera lens at all times and it modifies/moves/adjusts the content to that lens perspective and makes the parallax effect work. You can get away with it on large billboards with lots of distance, but it becomes harder the closer the user is to the display. I don't think you're missing anything - at the end of the day, your user is still looking at a 2d plane that is representing a static 3d image.

Maybe you make the animation 'flat' and then run it through something else after you have rendered it in order to project it to the right height of the viewer?

I have been approached to make a faux 3D set up where a user looks into the screen and has the illusion of looking into the box the screen is mounted on. I can see big problems with this in terms of the angle of the viewer - if a little child looks in and then an adult, they will both got different projections. If I was doing all this in Cinema, I might be tempted to make a box and then put a camera in front of it at the height of the viewer and then render it from there - is that a bit brute force? What would a clever person do with this problem?

Here is a simple nodes setup where modifier takes normals from one mesh and applies it to mesh it is modifying. Selection can be made in selection to indexes mode. Is this what you are after? Normals.c4d

@dasfrodo That scene is freezing for me, can you please check on your end? maybe upload went wrong and is damaged?

SOLUTION FOUND: In the my material, the Standard Material Node - Advanced Tab, there is an option under REFLECTION, End Color. It looks like the default is set to Environment, for my purpose Diffuse behaves properly. Cheers.

Metallic material, highly reflective. Hollow object or concave with internal self reflections... camera looking in. During testing I turned EVERYTHING off in dome light Details but the internal reflections persist!?!?! (sorry, up-to-date Redshift and C4D) Am I missing something or could this be a bug? InternalReflectionsTester.c4d

Hello! Here's a scene file. I'm using Hot4D, so im not sure if you'll be able to see the wave. But the theory applies the same without it This is the layer noise i'm trying to rotate WaveTestScene_001.c4d

Hello davetwo! I tried this, but it won't rotate it as I would like to! You can see I scaled the noise inside the noise field in X, but when you rotate it, it doesn't do the effect i'm looking for.

Yeah it's really easy in Blender. You don't even need Geo Nodes, just one Modifier and a selection. And this is honestly such a nice feature that it should be easily accessible.