Provides information about what is expected to render during the current picking rendering callback.
| pickingIndex | Specifies the picking index value that the first pickable object uses to write to the picking render texture. |
| renderObjectSet | A set of GameObjects to check and determine what this callback is expected to render. |
| renderPickingType | Specifies the type of the current picking rendering the callback is invoked with. |
| NeedToRenderForPicking | Checks whether a GameObject should be rendered in the current render picking callback. |
| RenderObjectSetContains | The function tests whether a GameObject is in the RenderPickingArgs.renderObjectSet. |