Number of vertices used by the index buffer of this sub-mesh.
Together with firstVertex, this defines the range of vertices that are possibly used by this sub-mesh.
You must set the vertex count so that firstVertex+vertexCount
encompasses the whole range
of vertices referenced by the index buffer. For example, if the index buffer contains vertex indices 5,6,100
,
then the firstVertex
needs to be 5
, while vertexCount
needs to be 96
(100-5+1).
These values are important for any CPU-based mesh processing, for example
dynamic batching or CPU skinning.
The bounds, firstVertex and vertexCount values are calculated automatically by Mesh.SetSubMesh, unless
MeshUpdateFlags.DontRecalculateBounds flag is passed.
See Also: firstVertex.
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