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How can I set up a keyable variable controlling a given attribute in the mandelbulb.ass file?

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fleischmann.kristoffer
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How can I set up a keyable variable controlling a given attribute in the mandelbulb.ass file?

I'm trying to understand the tutorial "How to Render a Mandelbulb" and I'm stuck at how to

animate (for example the grid_size) a given parameter. I understand that I have to set up aiUserDataFloats and I succeeded in altering the shader, but I dont get the connection from setting up custom attributes which controll this part of the .ass file.

grid_size 400

max_iterations 5

power 6

etc.

Can someone point me in the right direction?

Hugs,

Paul

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Message 2 of 3

HI, instead of loading the ass file in newer versions of MtoA you can create the node directly in Maya.

You need to do a little setup and this functionality is still work in progress.

First copy the attached mandelbulb-proc.txt file to the same location as the mandelbulb_proc.dll(.so/.dylib) rename it to mandelbulb_proc.mtd.

Now add the location of the mandelbulb procedural in your ARNOLD_PLUGIN_PATH environment before launching Maya.

A new menu should be available under Arnold called Custom Shapes, under this menu will be a list of found procedural nodes from plugins in the ARNOLD_PLUGIUN_PATH, mandelbulb should appear in this list.

714-mandelbulb-menu.png

Once you create it, a null node will be made in the scene with a transform as a parent. I usually make a volume cube as a child of the transform so I can visualise the location of the Mandelbulb in the scene.

715-maya-screen.png

you can now assign shaders and change the parameters directly.

716-pow4.jpg717-pow8.jpg



Ashley Handscomb Retallack
Arnold Support Specialist
Arnold Documentation | Arnold Downloads
Message 3 of 3

Wow. Thank you very much! I will try that 🙂

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