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Quake II uses the term PHS (Potentially Hearable Set) instead.
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'''PAS''' ('''Potentially Audible Set''') is the set of [[visleaves]] which are ''audible'' from the visleaf occupied by the [[NPC Sensing|Sensing NPC]] or Player. Generally, the PAS is one visleaf further than the [[PVS]], and is not limited by the view frustum. Similar to [[PVS]], A PAS-test is only the first filter that a sound must pass in order to be audible to the NPC{{clarify}}. Like with the [[PVS]], and [[areaportal]] can be used to toggle whether a visleaf is part of the PAS; this is integral for preventing NPCs from hearing the player behind closed doors. | |||
{{ | {{note|{{quake2|4}} uses the term PHS (Potentially Hearable Set) instead.}} | ||
==See also== | |||
* [[PVS]] | |||
*[[NPC Sensing]] - The group that PAS falls under. | |||
*[[AI Perception Behavior Enhancement]] - An easy code edit that will make an NPC investigate any sound it hears. | |||
*[[Talk:NPC Sensing]] - Information about PAS. | |||
[[Category:Glossary]] | [[Category:Glossary]] | ||
Latest revision as of 07:15, 28 March 2025
PAS (Potentially Audible Set) is the set of visleaves which are audible from the visleaf occupied by the Sensing NPC or Player. Generally, the PAS is one visleaf further than the PVS, and is not limited by the view frustum. Similar to PVS, A PAS-test is only the first filter that a sound must pass in order to be audible to the NPC[Clarify]. Like with the PVS, and areaportal can be used to toggle whether a visleaf is part of the PAS; this is integral for preventing NPCs from hearing the player behind closed doors.
Note: Quake II uses the term PHS (Potentially Hearable Set) instead.See also
- PVS
- NPC Sensing - The group that PAS falls under.
- AI Perception Behavior Enhancement - An easy code edit that will make an NPC investigate any sound it hears.
- Talk:NPC Sensing - Information about PAS.