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I am following some basic tutorials on animation nodes with latest Blender 2.81.

Tutorial

He is using older version of blender, but right at the beginning he adds a Grid Mesh node with a very different output than what I find in mine.

enter image description here

For example, the same node "Grid Mesh" only has one output "Mesh" in my latest version, while in tutorial he has 3: Vertices, Edge Indices, Polygon Indices.

I am wondering if there is a way to add additional, missing, outputs in Grid Mesh node, or if there has been some change I am not aware about?1

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2 Answers 2

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You can use 'Mesh Info' node (Add -> Mesh -> Mesh info). enter image description here

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Actually, you cannot add additional inputs or outputs in any node (e.g., Grid Mesh in your case). However, there is a Group-Node in Subprogrames category in Animation Nodes: enter image description here

which allows creating any kind of inputs and/or outputs and arrange them as you like. You can also combine multiple nodes similar to the shader group-node. Here, I have made a simple example: enter image description here

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    $\begingroup$ Thank you, this is very helpful for me to dig deeper. Recently, seeing all the insane #nodevember, I was wondering how do they dig so deep and dynamic with just the nodes. $\endgroup$ Nov 11, 2019 at 18:34
  • $\begingroup$ Does working like that expands into any node system? I did notice Shader editor has script node, but nothing like invoke subprogram. $\endgroup$ Nov 11, 2019 at 18:59
  • $\begingroup$ Animation Nodes also has a Script Node in Subprogrames category. Sorry, "Does working like that expands into any node system?" do you want to know about the general workflow or something else? $\endgroup$
    – 3DSinghVFX
    Nov 11, 2019 at 19:12
  • $\begingroup$ yes please, i want to understand how these node systems are unified through general workflow. For example what’s the equivalent of invoke subprogram in shaders nodes ? $\endgroup$ Nov 12, 2019 at 21:26
  • $\begingroup$ Do you mean Invoke Subprogram of the Animation Nodes in Shader Nodes or Invoke Subprogram of the Shader Nodes? $\endgroup$
    – 3DSinghVFX
    Nov 13, 2019 at 7:20

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