Geometry Nodes: Make Ico Sphere primitive flat #116870
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#116982 WIP: Geometry Nodes: Shperical Ico Sphere
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Reference: blender/blender#116870
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Delete Branch "mod_moder/blender:flat_ico_sphere"
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Geodesic polyhedron is regular icosphere with positions projected onto sphere surface [1].
Right now Ico Sphere primitive node do this automatically, but this could be done separately.
This make that primitive more clear, and let to generate float polyhedron with triangle subdivision.
Versioning to keep old sphere:
[1]. https://en.wikipedia.org/wiki/Geodesic_polyhedron#Construction
Well, it's a bit sad to add 4 nodes every time we want a good old icosphere.
If I have to choose between the two shape I'd say the current one is much more useful in general.
Adding a switch in the node to go from one to the other would be much better.
I planned to add other one kind of Ico Sphere (Spherical polyhedron) as another one mode to this node (as true sphere).
To me it makes more sense to add a dedicated polyhedron node if there is a need for it, rather than changing what users are already familiar with as an icosphere.
And it's certainly not worth adding versioning code for this.
To me, there is 3 possible kind of result: flat geodesic polyhedron, spherical projection of geodesic polyhedron, and spherical polyhedron.
For me, flat geodesic polyhedron and spherical polyhedron makes sense as modes of single node / just two nodes. But current one is really redundant facade of flat ico sphere which is recreatable just from 4 nodes. Maybe this could be built-in node group, but i still think is redundant primitive.
"recreatable just from 4 nodes" is not easy at all from a usability point of view, that's effectively impossible for the majority of users to ever discover. There is no redundancy here in terms of usability.
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