{"schemaVersion":1,"record":{"key":"mechanic/game-mechanics--gm-location-triggered-event","type":"mechanic","id":"game-mechanics--gm-location-triggered-event","lang":"en","title":"Location-triggered event","summary":"Entering a specified area triggers an event.","updatedAt":"2026-10-22","status":"active","url":"https://gamemechanics.pro/en/knowledge/mechanic/game-mechanics--gm-location-triggered-event/","jsonUrl":"https://gamemechanics.pro/api/v1/knowledge/en/mechanic/game-mechanics--gm-location-triggered-event.json","markdownUrl":"https://gamemechanics.pro/content/knowledge/en/mechanic/game-mechanics--gm-location-triggered-event.md","aliases":[],"tags":["Game design techniques","Scripted"],"sourceIds":["source-6a0730494d20148a","source-ee02a34f15567347","source-8aa111c7dbadde42"],"sources":[{"id":"source-6a0730494d20148a","title":"Game Mechanics: Location-triggered event","url":"https://gamemechanics.org/patterns/location-triggered-event","verifiedAt":null},{"id":"source-ee02a34f15567347","title":"Doom 3 (2004)","url":"https://gamemechanics.org/patterns/location-triggered-event/game/doom-3","verifiedAt":null},{"id":"source-8aa111c7dbadde42","title":"F.E.A.R. 2: Project Origin (2009)","url":"https://gamemechanics.org/patterns/location-triggered-event/game/f-e-a-r-2-project-origin","verifiedAt":null}],"sections":[{"id":"principle","title":"How it works","body":"Entering a specified area triggers an event."},{"id":"variants","title":"Variants","body":"### How the technique works\n\n<a id=\"gm-location-triggered-event-rule\"></a>\n\n- Entering a specified area triggers an event. <a id=\"gm-location-triggered-event-definition\"></a>"},{"id":"context","title":"Context and limits","body":"All 199 Game Mechanics entries at the check date: player actions, systems, presentation techniques and contested patterns. Entries are grouped by their first source-card category; all categories appear in their descriptions. Definitions use original wording. References link to game-specific galleries; images and videos remain at the source."}],"relations":[],"placements":[{"catalogId":"game-mechanics","id":"gm-location-triggered-event","title":"Game design techniques","url":"https://gamemechanics.pro/en/mechanics/game-mechanics/#gm-location-triggered-event","categoryIds":["gm-category-scripted"]}],"supersededBy":[],"attributes":{"preview":{"updatedAt":"2026-10-22","title":"Location-triggered event","description":"Entering a specified area triggers an event.","image":{"src":"images/mechanics/world-location-triggered-event.webp","width":600,"height":340,"game":"Doom 3","sourceUrl":"https://gamemechanics.org/patterns/location-triggered-event","originalUrl":"https://cdn.gamemechanics.org/webm/doom_3_hanging_man.webm","sourceFrameSeconds":4.04,"credit":"id Software; frame from clip via GameMechanics.org","rights":"Game imagery © its respective rights holders. Source host: GameMechanics.org. Visible source watermarks preserved. All rights reserved; excluded from MIT and CC BY 4.0.","caption":"An enemy appears from an upper opening in the corridor","alt":"Doom 3: An enemy appears from an upper opening in the corridor.","markers":[{"x":57,"y":44,"label":"Enemy appearing on approach"}]},"tips":["Define retrigger behavior and test approaches from different directions."],"examples":[{"title":"Doom 3","url":"https://gamemechanics.org/patterns/location-triggered-event"}]}},"endsAt":null,"provenance":"Editorial reference index based on the 199 public Game Mechanics pattern pages checked on 2026-10-20. Original concise RU/EN definitions by gamemechanics.pro; pattern names, category associations and game-reference URLs retained from gamemechanics.org. The source gallery includes a film analogy. Linked materials retain their original rights; references are upstream attributions, not independent verification.","license":"CC-BY-4.0","codeLicense":"MIT","attribution":"gamemechanics.pro contributors","catalogKey":"catalog/game-mechanics"}}