How can I use the long varialbe in Unity MeshFilter.mesh

Tim0710h · Nov 17, 2020

Hello,
I want to create a big map with height elevation visualisation.
This Map would be something about two to five thousand verts per side which corresponds to around 4 to over twenty million verts. An Integer can only be up to around 65000. A long would be good for this, it can go over four billions.
But the Unity mesh wont allow me to feed an array of type long in it.

Anyone how can help me?
Thank you in advance!

kaarrrllll · Nov 17, 2020

You can use Mesh.indexFormat to change the index buffer from a ushort to a UInt32. https://docs.unity3d.com/ScriptReference/Mesh-indexFormat.html

You could also achieve this without modifying the index buffer format through the use of the baseVertex parameter on Mesh.SetIndiices. https://docs.unity3d.com/ScriptReference/Mesh.SetIndices.html

Tim0710h · Nov 23, 2020

kaarrrllll said: ↑

You can use Mesh.indexFormat to change the index buffer from a ushort to a UInt32. https://docs.unity3d.com/ScriptReference/Mesh-indexFormat.html

You could also achieve this without modifying the index buffer format through the use of the baseVertex parameter on Mesh.SetIndiices. https://docs.unity3d.com/ScriptReference/Mesh.SetIndices.html
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Thankyou kaarrrllll, you really helped me out!!
Sorry for my late response

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