NavMeshEditorHelpers.DrawBuildDebug

Parameters

Description

Displays in the Editor the precise intermediate data used during the build process of the specified NavMesh.

Additional resources: NavMeshBuildSettings.debug.

using System.Collections.Generic;
using UnityEditor.AI;
using UnityEngine;
using UnityEngine.AI;

public class NavMeshBuildDebugDraw : MonoBehaviour
{
    NavMeshData m_NavMeshData;

    void Start()
    {
        var bounds = new Bounds(transform.position, new Vector3(100.0f, 100.0f, 100.0f));
        var markups = new List<NavMeshBuildMarkup>();
        var sources = new List<NavMeshBuildSource>();
        UnityEditor.AI.NavMeshBuilder.CollectSourcesInStage(
            bounds, ~0, NavMeshCollectGeometry.RenderMeshes, 0, markups, gameObject.scene, sources);

        var settings = NavMesh.GetSettingsByID(0);
        var debug = new NavMeshBuildDebugSettings();
        debug.flags = NavMeshBuildDebugFlags.All;
        settings.debug = debug;

        m_NavMeshData = new NavMeshData();
        UnityEngine.AI.NavMeshBuilder.UpdateNavMeshDataAsync(m_NavMeshData, settings, sources, bounds);
    }

    void OnDrawGizmos()
    {
        NavMeshEditorHelpers.DrawBuildDebug(
            m_NavMeshData, NavMeshBuildDebugFlags.Regions | NavMeshBuildDebugFlags.SimplifiedContours);
    }
}