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44 lines
1.9 KiB
Markdown
44 lines
1.9 KiB
Markdown
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.. _doc_navigation_different_actor_locomotion:
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Support different actor locomotion
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==================================
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.. image:: img/nav_actor_locomotion.png
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To support different actor locomotion like crouching and crawling, a similar
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map setup as supporting :ref:`doc_navigation_different_actor_types` is required.
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Bake different navigation meshes with an appropriate height for crouched
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or crawling actors so they can find paths through those narrow sections in your game world.
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When an actor changes locomotion state, e.g. stands up, starts
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crouching or crawling, query the appropriate map for a path.
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If the avoidance behavior should also change with the locomotion e.g. only avoid while standing or only avoid
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other agents in the same locomotion state, switch the actors's avoidance agent to another avoidance map with each locomotion change.
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.. tabs::
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.. code-tab:: gdscript GDScript
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func update_path():
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if actor_standing:
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path = NavigationServer3D.map_get_path(standing_navigation_map_rid, start_position, target_position, true)
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elif actor_crouching:
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path = NavigationServer3D.map_get_path(crouched_navigation_map_rid, start_position, target_position, true)
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elif actor_crawling:
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path = NavigationServer3D.map_get_path(crawling_navigation_map_rid, start_position, target_position, true)
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func change_agent_avoidance_state():
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if actor_standing:
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NavigationServer3D.agent_set_map(avoidance_agent_rid, standing_navigation_map_rid)
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elif actor_crouching:
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NavigationServer3D.agent_set_map(avoidance_agent_rid, crouched_navigation_map_rid)
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elif actor_crawling:
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NavigationServer3D.agent_set_map(avoidance_agent_rid, crawling_navigation_map_rid)
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.. note::
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While a path query can be execute immediately for multiple maps, the avoidance agent map switch will only take effect after the next server synchronization.
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