Version: 2020.1
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Light.cullingMask

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public int cullingMask;

Description

This is used to light certain objects in the Scene selectively.

A GameObject will only be illuminated by a light if that light's cullingMask/ includes the layer chosen for the GameObject (ie, the mask bit for the layer must be set to 1 for the object to receive any light). See Layers for more information about layer masking. See Also: Light component.

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Copyright © 2020 Unity Technologies. Publication Date: 2021-02-24.
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