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Topics - steppes

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[C4D] General Discussion / C4D 2024.4 Particles
« on: 2024-04-12, 08:15:12 »
Hi all!

Can Corona render the new native c4d Particles or only with the help of real geometry?

Hi all!

Why is the Corona tiles shader restricted to one direction? When I want to place tiles in a corner, I have to assign it twice. Why? Wouldnt it be easier to have it kinda cubemapped?

And: Why is the Corona tiles shader not proper visible in the editor?

[C4D] I need help! / scatter on tiles
« on: 2023-12-21, 08:18:17 »
Hi everyone,

Nate showed in his last YT video how to scatter objects on gaps with the new tile shader. Unfortunately I can't get it to work. Attached you can find the demo scene. Help is very welcome.


[C4D] Bug Reporting / region render in animation
« on: 2023-08-08, 08:52:40 »
Hi all!

Corona 10 forgets the selected region of the regionrender every frame while rendering an animation.

H all!

When I use the new enmesh-patterns ans assign materials, the pattern is rendered in white - no materials. Only if I convert the proxy object to mesh I can see the materials.

What can I do?

[C4D] I need help! / How to load opacity from Alphachannel
« on: 2023-05-17, 09:07:55 »
Hi all,

Cinema 4D native material identifies an images alphachannel, when placed in the textureslot in the Alpha-Section of the material.

How can I achieve this in Corona materials? When loading an image with alpha channel (RGBA) into opacity I get the opacity of the RGB not of the A.

Thanks for help!


[C4D] I need help! / How to use...
« on: 2023-03-24, 08:21:01 »
...these kind of maps?

These map include AO, metallic and roughness information.

Thanks for help.

[C4D] Feature Requests / Normal Maps - which dircection
« on: 2023-03-23, 07:55:49 »

There are two ways to interpret normal maps (Y up or Y down) and it is very hard to identify what kind of normal map ons has. You guys always say "flip Y", but this seems not always right.

I there a way to implement something in corona helping finding out what normal map is used?

Hi Team,

it would be nice to have the possibility to restrict the AO- and the wire-shader with the phong-angle.

[C4D] I need help! / Need help creating carbon material
« on: 2022-12-12, 16:35:39 »
Hi all!

I cannot get any good results creating a carbon fiber material.

I tried several map sets from f.e. What I am missing is this depth in the material. My RL sample looks so 3 dimensional, almost like an optical illusion.

I use normal maps, anisotropic rotation and clearcoat layer, but I am not satisfied with any result.

The VRScan carbon material does not work since I have no UVs on my model

Any suggestions?

[C4D] General Discussion / VRScans only in UV?
« on: 2022-12-12, 16:27:43 »
Hi all!

Can vrscan materials only be used in UV projection?


Hi all.

The Scene converter shows the number of objects to convert (which are lights) but does not convert them to corona lights

R19, R2023.1, win 10, corona 9

Hi all,

I was searching for that topic but could not find any, so I am opening this thread:

I mentioned that the "send to c4d" button in the vfb opens the c4d-pictureviewer, but the rendering is not sent to it. Just a blank window. Corona 9 and 2023.1.

It works in R19 an Corona 9

[C4D] Bug Reporting / Corona 9: Lights always visible
« on: 2022-11-18, 08:43:14 »
Hi all!

I mentioned, that Corona Lights are not affected by the "visible in editor-traffic-light" any more. One can turn the visibibity to "off" and the light is still affecting the scene.

[C4D] I need help! / restrict AO to normal side
« on: 2022-11-07, 10:12:57 »
Hi all!

Is there a way to restrict AO or dirt only to be affected by the positive normal orientation?

I mention that objects from "behind", from the inside, affect the AO, which gives wrong results. Hard to explain. Imagine placing a cube intersecting another cube and the faces are closer than the AO radius is. Then the complete invisible inside geometry is affecting the AO...

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