| pickingIndex | The picking index to encode. For example, a picking index passed from RenderPickingArgs.pickingIndex). |
Vector4
The Vector4 selectionId value used for rendering.
Translates a single integer picking index into a Vector4 selectionId value. The Vector4 selectionId is used to render the picking render textures during picking rendering.
Additional resources: HandleUtility.DecodeSelectionId, HandleUtility.RegisterRenderPickingCallback.