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Question by Existingman · Dec 29, 2013 at 08:20 AM · meshverticesmeshfilterreferencing

How to Reference Vertices of a Mesh of a meshFilter of a GameObject?

I want to move some vertices on a very simple mesh to modify its shape.

I put the mesh into the world by instantiating a Prefab as a GameObject, so all I know is how to reference the GameObject.

I don't know the first thing about referencing vertices, meshes, meshfilters or anything and cannot seem to find the answers on google.

Any help greatly appreciated!

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avatar image robertbu · Dec 29, 2013 at 08:26 AM 0
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Read the script reference and look at the examples for the $$anonymous$$esh class.

Download the free Procedural Examples from the Asset store and take a look at the scripts.

Both have script examples on how to modify vertices and/or triangles at runtime.

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Answer by asafsitner · Dec 29, 2013 at 08:48 AM

Start with `GameObject.GetComponent` to reference the `MeshFilter`, then use the `MeshFilter.mesh` (in runtime) or `MeshFilter.sharedMesh` (in edit time) to reference the `Mesh` itself, then use the `Mesh.vertices` to get the vertices of the mesh.
It's important to note that the `Mesh.triangles` can also be accessed, and it's always a multiply of the `Mesh.vertexCount` by 3, where each triangle is defined by 3 vertices starting from Mesh.vertices[0].

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