forked from BilalY/Rasagar
36 lines
2.7 KiB
Markdown
36 lines
2.7 KiB
Markdown
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<div style="border: solid 1px #999; border-radius:12px; background-color:#EEE; padding: 8px; padding-left:14px; color: #555; font-size:14px;"><b>Experimental:</b> This Feature is currently experimental and is subject to change in later major versions.</div>
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# Sample Mesh Index
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**Menu Path : Operator > Sampling > Sample Mesh Index**
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**Menu Path : Operator > Sampling > Sample Skinned Mesh Renderer Index**
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The Sample Mesh or Skinned Mesh Renderer Index Operator allows you to fetch index buffer data of geometry. Both [UInt16](https://docs.unity3d.com/ScriptReference/ModelImporterIndexFormat.UInt16.html) and [UInt32](https://docs.unity3d.com/ScriptReference/ModelImporterIndexFormat.UInt32.html) format are supported the output of this operator is always an UInt.
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## Operator settings
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| **Property** | **Type** | **Description** |
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| ------------ | -------- | ------------------------------------------------------------ |
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| **Source** | Enum | Choose the kind of geometry to sample, either a **Mesh** or a **Skinned Mesh Renderer** |
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### Operator properties
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| **Input** | **Type** | **Description** |
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| ------------------------- | --------------------- | ------------------------------------------------------------ |
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| **Mesh** | Mesh | The source mesh asset to sample.<br/><br/>This property only appears if you set **Source** to **Mesh** |
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| **Skinned Mesh Renderer** | Skinned Mesh Renderer | The source Skinned Mesh Renderer component to sample. This is a reference to a component within the scene. To assign a Skinned Mesh Renderer to this port, create a Skinned Mesh Renderer property in the [Blackboard](Blackboard.md) and expose it.<br/><br/>This property only appears if you set **Source** to **Skinned Mesh Renderer** |
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| **Index** | Uint | The index offset to sample the current index buffer. |
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| **Output** | **Type** | **Description** |
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| ---------- | -------- | ------------------------------------------------------------ |
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| **Index** | UInt | The sampled index, or zero if input **Index** is out of bounds. |
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#### Limitations
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The Mesh index sampling feature has the following limitations:
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- If a Mesh is not [readable](https://docs.unity3d.com/ScriptReference/Mesh-isReadable.html), the **Position (Mesh)** Block and **Sample Mesh Index** Operator return zeros values when they attempt to sample it. For information on how to make a Mesh readable, see [Model import settings](https://docs.unity3d.com/Manual/FBXImporter-Model.html)
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