Attention: Here be dragons

This is the latest (unstable) version of this documentation, which may document features not available in or compatible with released stable versions of Godot.

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支持不同角色运动

要支持不同的角色运动，比如下蹲和爬行，需要和支持支持不同角色类型一样的地图设置。

为蹲伏或爬行的演员烘焙具有适当高度的不同导览网格，以便他们可以找到穿过游戏世界中这些狭窄部分的路径。

当 actor 改变运动状态时，例如站起来、开始蹲下或爬行，查询适当的地图以获取路径。

如果回避行为也应该随着运动而改变，例如仅在站立时回避或仅避开处于相同运动状态的其他代理，则随着每次运动的改变，将参与者的回避代理切换到另一个回避图。

func update_path():

    if actor_standing:
        path = NavigationServer3D.map_get_path(standing_navigation_map_rid, start_position, target_position, true)
    elif actor_crouching:
        path = NavigationServer3D.map_get_path(crouched_navigation_map_rid, start_position, target_position, true)
    elif actor_crawling:
        path = NavigationServer3D.map_get_path(crawling_navigation_map_rid, start_position, target_position, true)

func change_agent_avoidance_state():

    if actor_standing:
        NavigationServer3D.agent_set_map(avoidance_agent_rid, standing_navigation_map_rid)
    elif actor_crouching:
        NavigationServer3D.agent_set_map(avoidance_agent_rid, crouched_navigation_map_rid)
    elif actor_crawling:
        NavigationServer3D.agent_set_map(avoidance_agent_rid, crawling_navigation_map_rid)

private void UpdatePath()
{
    if (_actorStanding)
    {
        _path = NavigationServer3D.MapGetPath(_standingNavigationMapRid, _startPosition, _targetPosition, true);
    }
    else if (_actorCrouching)
    {
        _path = NavigationServer3D.MapGetPath(_crouchedNavigationMapRid, _startPosition, _targetPosition, true);
    }
    else if (_actorCrawling)
    {
        _path = NavigationServer3D.MapGetPath(_crawlingNavigationMapRid, _startPosition, _targetPosition, true);
    }
}

private void ChangeAgentAvoidanceState()
{
    if (_actorStanding)
    {
        NavigationServer3D.AgentSetMap(_avoidanceAgentRid, _standingNavigationMapRid);
    }
    else if (_actorCrouching)
    {
        NavigationServer3D.AgentSetMap(_avoidanceAgentRid, _crouchedNavigationMapRid);
    }
    else if (_actorCrawling)
    {
        NavigationServer3D.AgentSetMap(_avoidanceAgentRid, _crawlingNavigationMapRid);
    }
}

备注

虽然可以对多个地图立即执行路径查询，但回避代理地图切换只有在下一次服务器同步后才会生效。