C# style interface naming

src/DotRecast.Detour.Crowd/Crowd.cs

@@ -149,7 +149,7 @@ namespace DotRecast.Detour.Crowd
         private readonly ObstacleAvoidanceQuery _obstacleQuery;
         private ProximityGrid _grid;
         private readonly Vector3f _ext = new Vector3f();
-        private readonly QueryFilter[] _filters = new QueryFilter[DT_CROWD_MAX_QUERY_FILTER_TYPE];
+        private readonly IQueryFilter[] _filters = new IQueryFilter[DT_CROWD_MAX_QUERY_FILTER_TYPE];
         private NavMeshQuery _navQuery;
         private NavMesh _navMesh;
         private readonly CrowdConfig _config;
@@ -161,7 +161,7 @@ namespace DotRecast.Detour.Crowd
         {
         }
 
-        public Crowd(CrowdConfig config, NavMesh nav, Func<int, QueryFilter> queryFilterFactory)
+        public Crowd(CrowdConfig config, NavMesh nav, Func<int, IQueryFilter> queryFilterFactory)
         {
             _config = config;
             VSet(ref _ext, config.maxAgentRadius * 2.0f, config.maxAgentRadius * 1.5f, config.maxAgentRadius * 2.0f);
@@ -364,7 +364,7 @@ namespace DotRecast.Detour.Crowd
             return _ext;
         }
 
-        public QueryFilter GetFilter(int i)
+        public IQueryFilter GetFilter(int i)
         {
             return i >= 0 && i < DT_CROWD_MAX_QUERY_FILTER_TYPE ? _filters[i] : null;
         }

src/DotRecast.Detour.Crowd/LocalBoundary.cs

@@ -98,7 +98,7 @@ namespace DotRecast.Detour.Crowd
             }
         }
 
-        public void Update(long refs, Vector3f pos, float collisionQueryRange, NavMeshQuery navquery, QueryFilter filter)
+        public void Update(long refs, Vector3f pos, float collisionQueryRange, NavMeshQuery navquery, IQueryFilter filter)
         {
             if (refs == 0)
             {
@@ -138,7 +138,7 @@ namespace DotRecast.Detour.Crowd
             }
         }
 
-        public bool IsValid(NavMeshQuery navquery, QueryFilter filter)
+        public bool IsValid(NavMeshQuery navquery, IQueryFilter filter)
         {
             if (m_polys.Count == 0)
             {

src/DotRecast.Detour.Crowd/PathCorridor.cs

@@ -234,7 +234,7 @@ namespace DotRecast.Detour.Crowd
      * @param[in] navquery The query object used to build the corridor.
      * @return Corners
      */
-        public List<StraightPathItem> FindCorners(int maxCorners, NavMeshQuery navquery, QueryFilter filter)
+        public List<StraightPathItem> FindCorners(int maxCorners, NavMeshQuery navquery, IQueryFilter filter)
         {
             List<StraightPathItem> path = new List<StraightPathItem>();
             Result<List<StraightPathItem>> result = navquery.FindStraightPath(m_pos, m_target, m_path, maxCorners, 0);
@@ -299,7 +299,7 @@ namespace DotRecast.Detour.Crowd
      * @param filter
      *            The filter to apply to the operation.
      */
-        public void OptimizePathVisibility(Vector3f next, float pathOptimizationRange, NavMeshQuery navquery, QueryFilter filter)
+        public void OptimizePathVisibility(Vector3f next, float pathOptimizationRange, NavMeshQuery navquery, IQueryFilter filter)
         {
             // Clamp the ray to max distance.
             float dist = VDist2D(m_pos, next);
@@ -344,7 +344,7 @@ namespace DotRecast.Detour.Crowd
      *            The filter to apply to the operation.
      *
      */
-        public bool OptimizePathTopology(NavMeshQuery navquery, QueryFilter filter, int maxIterations)
+        public bool OptimizePathTopology(NavMeshQuery navquery, IQueryFilter filter, int maxIterations)
         {
             if (m_path.Count < 3)
             {
@@ -423,7 +423,7 @@ namespace DotRecast.Detour.Crowd
      * @param filter
      *            The filter to apply to the operation.
      */
-        public bool MovePosition(Vector3f npos, NavMeshQuery navquery, QueryFilter filter)
+        public bool MovePosition(Vector3f npos, NavMeshQuery navquery, IQueryFilter filter)
         {
             // Move along navmesh and update new position.
             Result<MoveAlongSurfaceResult> masResult = navquery.MoveAlongSurface(m_path[0], m_pos, npos, filter);
@@ -461,7 +461,7 @@ namespace DotRecast.Detour.Crowd
      * @param filter
      *            The filter to apply to the operation.
      */
-        public bool MoveTargetPosition(Vector3f npos, NavMeshQuery navquery, QueryFilter filter)
+        public bool MoveTargetPosition(Vector3f npos, NavMeshQuery navquery, IQueryFilter filter)
         {
             // Move along navmesh and update new position.
             Result<MoveAlongSurfaceResult> masResult = navquery.MoveAlongSurface(m_path[m_path.Count - 1], m_target, npos, filter);
@@ -516,7 +516,7 @@ namespace DotRecast.Detour.Crowd
             }
         }
 
-        public void TrimInvalidPath(long safeRef, float[] safePos, NavMeshQuery navquery, QueryFilter filter)
+        public void TrimInvalidPath(long safeRef, float[] safePos, NavMeshQuery navquery, IQueryFilter filter)
         {
             // Keep valid path as far as possible.
             int n = 0;
@@ -559,7 +559,7 @@ namespace DotRecast.Detour.Crowd
      *            The filter to apply to the operation.
      * @return
      */
-        public bool IsValid(int maxLookAhead, NavMeshQuery navquery, QueryFilter filter)
+        public bool IsValid(int maxLookAhead, NavMeshQuery navquery, IQueryFilter filter)
         {
             // Check that all polygons still pass query filter.
             int n = Math.Min(m_path.Count, maxLookAhead);

src/DotRecast.Detour.Crowd/PathQuery.cs

@@ -30,7 +30,7 @@ namespace DotRecast.Detour.Crowd
         public Vector3f endPos = new Vector3f();
         public long startRef;
         public long endRef;
-        public QueryFilter filter;
+        public IQueryFilter filter;
 
         /// < TODO: This is potentially dangerous!
         public readonly PathQueryResult result = new PathQueryResult();

src/DotRecast.Detour.Crowd/PathQueue.cs

@@ -79,7 +79,7 @@ namespace DotRecast.Detour.Crowd
             }
         }
 
-        public PathQueryResult Request(long startRef, long endRef, Vector3f startPos, Vector3f endPos, QueryFilter filter)
+        public PathQueryResult Request(long startRef, long endRef, Vector3f startPos, Vector3f endPos, IQueryFilter filter)
         {
             if (queue.Count >= config.pathQueueSize)
             {

src/DotRecast.Detour.Dynamic/AddColliderQueueItem.cs

@@ -21,13 +21,13 @@ using DotRecast.Detour.Dynamic.Colliders;
 
 namespace DotRecast.Detour.Dynamic
 {
-    public class AddColliderQueueItem : UpdateQueueItem
+    public class AddColliderQueueItem : IUpdateQueueItem
     {
         private readonly long colliderId;
-        private readonly Collider collider;
+        private readonly ICollider collider;
         private readonly ICollection<DynamicTile> _affectedTiles;
 
-        public AddColliderQueueItem(long colliderId, Collider collider, ICollection<DynamicTile> affectedTiles)
+        public AddColliderQueueItem(long colliderId, ICollider collider, ICollection<DynamicTile> affectedTiles)
         {
             this.colliderId = colliderId;
             this.collider = collider;

src/DotRecast.Detour.Dynamic/Colliders/AbstractCollider.cs

@@ -20,7 +20,7 @@ using DotRecast.Recast;
 
 namespace DotRecast.Detour.Dynamic.Colliders
 {
-    public abstract class AbstractCollider : Collider
+    public abstract class AbstractCollider : ICollider
     {
         protected readonly int area;
         protected readonly float flagMergeThreshold;

src/DotRecast.Detour.Dynamic/Colliders/CompositeCollider.cs

@@ -23,18 +23,18 @@ using DotRecast.Recast;
 
 namespace DotRecast.Detour.Dynamic.Colliders
 {
-    public class CompositeCollider : Collider
+    public class CompositeCollider : ICollider
     {
-        private readonly List<Collider> colliders;
+        private readonly List<ICollider> colliders;
         private readonly float[] _bounds;
 
-        public CompositeCollider(List<Collider> colliders)
+        public CompositeCollider(List<ICollider> colliders)
         {
             this.colliders = colliders;
             _bounds = Bounds(colliders);
         }
 
-        public CompositeCollider(params Collider[] colliders)
+        public CompositeCollider(params ICollider[] colliders)
         {
             this.colliders = colliders.ToList();
             _bounds = Bounds(this.colliders);
@@ -45,14 +45,14 @@ namespace DotRecast.Detour.Dynamic.Colliders
             return _bounds;
         }
 
-        private static float[] Bounds(List<Collider> colliders)
+        private static float[] Bounds(List<ICollider> colliders)
         {
             float[] bounds = new float[]
             {
                 float.PositiveInfinity, float.PositiveInfinity, float.PositiveInfinity,
                 float.NegativeInfinity, float.NegativeInfinity, float.NegativeInfinity
             };
-            foreach (Collider collider in colliders)
+            foreach (ICollider collider in colliders)
             {
                 float[] b = collider.Bounds();
                 bounds[0] = Math.Min(bounds[0], b[0]);

src/DotRecast.Detour.Dynamic/Colliders/ICollider.cs

@@ -20,7 +20,7 @@ using DotRecast.Recast;
 
 namespace DotRecast.Detour.Dynamic.Colliders
 {
-    public interface Collider
+    public interface ICollider
     {
         float[] Bounds();
         void Rasterize(Heightfield hf, Telemetry telemetry);

src/DotRecast.Detour.Dynamic/DotRecast.Detour.Dynamic.csproj

@@ -6,12 +6,12 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="K4os.Compression.LZ4" Version="1.3.5"/>
+        <PackageReference Include="K4os.Compression.LZ4" Version="1.3.5" />
     </ItemGroup>
 
     <ItemGroup>
-        <ProjectReference Include="..\DotRecast.Detour\DotRecast.Detour.csproj"/>
+        <ProjectReference Include="..\DotRecast.Detour\DotRecast.Detour.csproj" />
-        <ProjectReference Include="..\DotRecast.Recast\DotRecast.Recast.csproj"/>
+        <ProjectReference Include="..\DotRecast.Recast\DotRecast.Recast.csproj" />
     </ItemGroup>
 
 </Project>

src/DotRecast.Detour.Dynamic/DynamicNavMesh.cs

@@ -37,7 +37,7 @@ namespace DotRecast.Detour.Dynamic
         private readonly Dictionary<long, DynamicTile> _tiles = new Dictionary<long, DynamicTile>();
         private readonly Telemetry telemetry;
         private readonly NavMeshParams navMeshParams;
-        private readonly BlockingCollection<UpdateQueueItem> updateQueue = new BlockingCollection<UpdateQueueItem>();
+        private readonly BlockingCollection<IUpdateQueueItem> updateQueue = new BlockingCollection<IUpdateQueueItem>();
         private readonly AtomicLong currentColliderId = new AtomicLong(0);
         private NavMesh _navMesh;
         private bool dirty = true;
@@ -93,7 +93,7 @@ namespace DotRecast.Detour.Dynamic
             return GetTileAt(x, z)?.checkpoint.heightfield;
         }
 
-        public long AddCollider(Collider collider)
+        public long AddCollider(ICollider collider)
         {
             long cid = currentColliderId.IncrementAndGet();
             updateQueue.Add(new AddColliderQueueItem(cid, collider, GetTiles(collider.Bounds())));
@@ -140,9 +140,9 @@ namespace DotRecast.Detour.Dynamic
             return items.SelectMany(i => i.AffectedTiles()).ToHashSet();
         }
 
-        private List<UpdateQueueItem> ConsumeQueue()
+        private List<IUpdateQueueItem> ConsumeQueue()
         {
-            List<UpdateQueueItem> items = new List<UpdateQueueItem>();
+            List<IUpdateQueueItem> items = new List<IUpdateQueueItem>();
             while (updateQueue.TryTake(out var item))
             {
                 items.Add(item);
@@ -151,7 +151,7 @@ namespace DotRecast.Detour.Dynamic
             return items;
         }
 
-        private void Process(UpdateQueueItem item)
+        private void Process(IUpdateQueueItem item)
         {
             foreach (var tile in item.AffectedTiles())
             {

src/DotRecast.Detour.Dynamic/DynamicTile.cs

@@ -33,7 +33,7 @@ namespace DotRecast.Detour.Dynamic
         public DynamicTileCheckpoint checkpoint;
         public RecastBuilderResult recastResult;
         MeshData meshData;
-        private readonly ConcurrentDictionary<long, Collider> colliders = new ConcurrentDictionary<long, Collider>();
+        private readonly ConcurrentDictionary<long, ICollider> colliders = new ConcurrentDictionary<long, ICollider>();
         private bool dirty = true;
         private long id;
 
@@ -96,7 +96,7 @@ namespace DotRecast.Detour.Dynamic
             return r;
         }
 
-        public void AddCollider(long cid, Collider collider)
+        public void AddCollider(long cid, ICollider collider)
         {
             colliders[cid] = collider;
             dirty = true;

src/DotRecast.Detour.Dynamic/IUpdateQueueItem.cs

@@ -20,7 +20,7 @@ using System.Collections.Generic;
 
 namespace DotRecast.Detour.Dynamic
 {
-    public interface UpdateQueueItem
+    public interface IUpdateQueueItem
     {
         ICollection<DynamicTile> AffectedTiles();
 

src/DotRecast.Detour.Dynamic/RemoveColliderQueueItem.cs

@@ -20,7 +20,7 @@ using System.Collections.Generic;
 
 namespace DotRecast.Detour.Dynamic
 {
-    public class RemoveColliderQueueItem : UpdateQueueItem
+    public class RemoveColliderQueueItem : IUpdateQueueItem
     {
         private readonly long colliderId;
         private readonly ICollection<DynamicTile> _affectedTiles;

src/DotRecast.Detour.Extras/Jumplink/AbstractGroundSampler.cs

@@ -5,7 +5,7 @@ using static DotRecast.Core.RecastMath;
 
 namespace DotRecast.Detour.Extras.Jumplink
 {
-    public abstract class AbstractGroundSampler : GroundSampler
+    public abstract class AbstractGroundSampler : IGroundSampler
     {
         protected void SampleGround(JumpLinkBuilderConfig acfg, EdgeSampler es,
             Func<Vector3f, float, Tuple<bool, float>> heightFunc)

src/DotRecast.Detour.Extras/Jumplink/IGroundSampler.cs

@@ -2,7 +2,7 @@ using DotRecast.Recast;
 
 namespace DotRecast.Detour.Extras.Jumplink
 {
-    public interface GroundSampler
+    public interface IGroundSampler
     {
         void Sample(JumpLinkBuilderConfig acfg, RecastBuilderResult result, EdgeSampler es);
     }

src/DotRecast.Detour.Extras/Jumplink/JumpLinkBuilder.cs

@@ -11,7 +11,7 @@ namespace DotRecast.Detour.Extras.Jumplink
     {
         private readonly EdgeExtractor edgeExtractor = new EdgeExtractor();
         private readonly EdgeSamplerFactory edgeSamplerFactory = new EdgeSamplerFactory();
-        private readonly GroundSampler groundSampler = new NavMeshGroundSampler();
+        private readonly IGroundSampler groundSampler = new NavMeshGroundSampler();
         private readonly TrajectorySampler trajectorySampler = new TrajectorySampler();
         private readonly JumpSegmentBuilder jumpSegmentBuilder = new JumpSegmentBuilder();
 

src/DotRecast.Detour.Extras/Jumplink/NavMeshGroundSampler.cs

@@ -7,9 +7,9 @@ namespace DotRecast.Detour.Extras.Jumplink
 {
     class NavMeshGroundSampler : AbstractGroundSampler
     {
-        private readonly QueryFilter filter = new NoOpFilter();
+        private readonly IQueryFilter filter = new NoOpFilter();
 
-        private class NoOpFilter : QueryFilter
+        private class NoOpFilter : IQueryFilter
         {
             public bool PassFilter(long refs, MeshTile tile, Poly poly)
             {
@@ -55,7 +55,7 @@ namespace DotRecast.Detour.Extras.Jumplink
             return new NavMeshQuery(new NavMesh(NavMeshBuilder.CreateNavMeshData(option), option.nvp, 0));
         }
 
-        public class PolyQueryInvoker : PolyQuery
+        public class PolyQueryInvoker : IPolyQuery
         {
             public readonly Action<MeshTile, Poly, long> _callback;
 

src/DotRecast.Detour.TileCache/DotRecast.Detour.TileCache.csproj

@@ -6,11 +6,11 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="K4os.Compression.LZ4" Version="1.3.5"/>
+        <PackageReference Include="K4os.Compression.LZ4" Version="1.3.5" />
     </ItemGroup>
 
     <ItemGroup>
-        <ProjectReference Include="..\DotRecast.Detour\DotRecast.Detour.csproj"/>
+        <ProjectReference Include="..\DotRecast.Detour\DotRecast.Detour.csproj" />
     </ItemGroup>
 
 </Project>

src/DotRecast.Detour.TileCache/ITileCacheCompressor.cs

@@ -20,7 +20,7 @@ freely, subject to the following restrictions:
 
 namespace DotRecast.Detour.TileCache
 {
-    public interface TileCacheCompressor
+    public interface ITileCacheCompressor
     {
         byte[] Decompress(byte[] buf, int offset, int len, int outputlen);
 

src/DotRecast.Detour.TileCache/ITileCacheMeshProcess.cs

@@ -20,7 +20,7 @@ freely, subject to the following restrictions:
 
 namespace DotRecast.Detour.TileCache
 {
-    public interface TileCacheMeshProcess
+    public interface ITileCacheMeshProcess
     {
         void Process(NavMeshDataCreateParams option);
     }

src/DotRecast.Detour.TileCache/Io/Compress/FastLzTileCacheCompressor.cs

@@ -22,7 +22,7 @@ using DotRecast.Core;
 
 namespace DotRecast.Detour.TileCache.Io.Compress
 {
-    public class FastLzTileCacheCompressor : TileCacheCompressor
+    public class FastLzTileCacheCompressor : ITileCacheCompressor
     {
         public byte[] Decompress(byte[] buf, int offset, int len, int outputlen)
         {

src/DotRecast.Detour.TileCache/Io/Compress/LZ4TileCacheCompressor.cs

@@ -22,7 +22,7 @@ using K4os.Compression.LZ4;
 
 namespace DotRecast.Detour.TileCache.Io.Compress
 {
-    public class LZ4TileCacheCompressor : TileCacheCompressor
+    public class LZ4TileCacheCompressor : ITileCacheCompressor
     {
         public byte[] Decompress(byte[] buf, int offset, int len, int outputlen)
         {

src/DotRecast.Detour.TileCache/Io/Compress/TileCacheCompressorFactory.cs

@@ -22,7 +22,7 @@ namespace DotRecast.Detour.TileCache.Io.Compress
 {
     public static class TileCacheCompressorFactory
     {
-        public static TileCacheCompressor Get(bool cCompatibility)
+        public static ITileCacheCompressor Get(bool cCompatibility)
         {
             if (cCompatibility)
                 return new FastLzTileCacheCompressor();

src/DotRecast.Detour.TileCache/Io/TileCacheReader.cs

@@ -29,13 +29,13 @@ namespace DotRecast.Detour.TileCache.Io
     {
         private readonly NavMeshParamReader paramReader = new NavMeshParamReader();
 
-        public TileCache Read(BinaryReader @is, int maxVertPerPoly, TileCacheMeshProcess meshProcessor)
+        public TileCache Read(BinaryReader @is, int maxVertPerPoly, ITileCacheMeshProcess meshProcessor)
         {
             ByteBuffer bb = IOUtils.ToByteBuffer(@is);
             return Read(bb, maxVertPerPoly, meshProcessor);
         }
 
-        public TileCache Read(ByteBuffer bb, int maxVertPerPoly, TileCacheMeshProcess meshProcessor)
+        public TileCache Read(ByteBuffer bb, int maxVertPerPoly, ITileCacheMeshProcess meshProcessor)
         {
             TileCacheSetHeader header = new TileCacheSetHeader();
             header.magic = bb.GetInt();
@@ -64,7 +64,7 @@ namespace DotRecast.Detour.TileCache.Io
             header.meshParams = paramReader.Read(bb);
             header.cacheParams = ReadCacheParams(bb, cCompatibility);
             NavMesh mesh = new NavMesh(header.meshParams, maxVertPerPoly);
-            TileCacheCompressor compressor = TileCacheCompressorFactory.Get(cCompatibility);
+            ITileCacheCompressor compressor = TileCacheCompressorFactory.Get(cCompatibility);
             TileCache tc = new TileCache(header.cacheParams, new TileCacheStorageParams(bb.Order(), cCompatibility), mesh,
                 compressor, meshProcessor);
             // Read tiles.

src/DotRecast.Detour.TileCache/TileCache.cs

@@ -54,8 +54,8 @@ namespace DotRecast.Detour.TileCache
         private readonly TileCacheParams m_params;
         private readonly TileCacheStorageParams m_storageParams;
 
-        private readonly TileCacheCompressor m_tcomp;
+        private readonly ITileCacheCompressor m_tcomp;
-        private readonly TileCacheMeshProcess m_tmproc;
+        private readonly ITileCacheMeshProcess m_tmproc;
 
         private readonly List<TileCacheObstacle> m_obstacles = new List<TileCacheObstacle>();
         private TileCacheObstacle m_nextFreeObstacle;
@@ -112,7 +112,7 @@ namespace DotRecast.Detour.TileCache
         }
 
         public TileCache(TileCacheParams option, TileCacheStorageParams storageParams, NavMesh navmesh,
-            TileCacheCompressor tcomp, TileCacheMeshProcess tmprocs)
+            ITileCacheCompressor tcomp, ITileCacheMeshProcess tmprocs)
         {
             m_params = option;
             m_storageParams = storageParams;
@@ -726,7 +726,7 @@ namespace DotRecast.Detour.TileCache
             return m_params;
         }
 
-        public TileCacheCompressor GetCompressor()
+        public ITileCacheCompressor GetCompressor()
         {
             return m_tcomp;
         }

src/DotRecast.Detour.TileCache/TileCacheBuilder.cs

@@ -2014,7 +2014,7 @@ namespace DotRecast.Detour.TileCache
             }
         }
 
-        public TileCacheLayer DecompressTileCacheLayer(TileCacheCompressor comp, byte[] compressed, ByteOrder order,
+        public TileCacheLayer DecompressTileCacheLayer(ITileCacheCompressor comp, byte[] compressed, ByteOrder order,
             bool cCompatibility)
         {
             ByteBuffer buf = new ByteBuffer(compressed);

src/DotRecast.Detour/DefaultQueryFilter.cs

@@ -50,7 +50,7 @@ namespace DotRecast.Detour
  *
  * @see NavMeshQuery
  */
-    public class DefaultQueryFilter : QueryFilter
+    public class DefaultQueryFilter : IQueryFilter
     {
         private int m_excludeFlags;
         private int m_includeFlags;

src/DotRecast.Detour/DefaultQueryHeuristic.cs

@@ -22,7 +22,7 @@ using static DotRecast.Core.RecastMath;
 namespace DotRecast.Detour
 {
 
-    public class DefaultQueryHeuristic : QueryHeuristic
+    public class DefaultQueryHeuristic : IQueryHeuristic
     {
         private readonly float scale;
 

src/DotRecast.Detour/FindNearestPolyQuery.cs

@@ -6,7 +6,7 @@ namespace DotRecast.Detour
 {
     using static DotRecast.Core.RecastMath;
 
-    public class FindNearestPolyQuery : PolyQuery
+    public class FindNearestPolyQuery : IPolyQuery
     {
         private readonly NavMeshQuery query;
         private readonly Vector3f center;

src/DotRecast.Detour/IPolyQuery.cs

@@ -1,6 +1,6 @@
 namespace DotRecast.Detour
 {
-    public interface PolyQuery
+    public interface IPolyQuery
     {
         void Process(MeshTile tile, Poly poly, long refs);
     }

src/DotRecast.Detour/IPolygonByCircleConstraint.cs

@@ -23,21 +23,21 @@ namespace DotRecast.Detour
 {
     using static DotRecast.Core.RecastMath;
 
-    public interface PolygonByCircleConstraint
+    public interface IPolygonByCircleConstraint
     {
         float[] Aply(float[] polyVerts, Vector3f circleCenter, float radius);
 
-        public static PolygonByCircleConstraint Noop()
+        public static IPolygonByCircleConstraint Noop()
         {
             return new NoOpPolygonByCircleConstraint();
         }
 
-        public static PolygonByCircleConstraint Strict()
+        public static IPolygonByCircleConstraint Strict()
         {
             return new StrictPolygonByCircleConstraint();
         }
 
-        public class NoOpPolygonByCircleConstraint : PolygonByCircleConstraint
+        public class NoOpPolygonByCircleConstraint : IPolygonByCircleConstraint
         {
             public float[] Aply(float[] polyVerts, Vector3f circleCenter, float radius)
             {
@@ -48,7 +48,7 @@ namespace DotRecast.Detour
         /**
      * Calculate the intersection between a polygon and a circle. A dodecagon is used as an approximation of the circle.
      */
-        public class StrictPolygonByCircleConstraint : PolygonByCircleConstraint
+        public class StrictPolygonByCircleConstraint : IPolygonByCircleConstraint
         {
             private const int CIRCLE_SEGMENTS = 12;
             private static float[] unitCircle;

src/DotRecast.Detour/IQueryFilter.cs

@@ -22,7 +22,7 @@ using DotRecast.Core;
 
 namespace DotRecast.Detour
 {
-    public interface QueryFilter
+    public interface IQueryFilter
     {
         bool PassFilter(long refs, MeshTile tile, Poly poly);
 

src/DotRecast.Detour/IQueryHeuristic.cs

@@ -20,7 +20,7 @@ using DotRecast.Core;
 
 namespace DotRecast.Detour
 {
-    public interface QueryHeuristic
+    public interface IQueryHeuristic
     {
         float GetCost(Vector3f neighbourPos, Vector3f endPos);
     }

src/DotRecast.Detour/LegacyNavMeshQuery.cs

@@ -34,13 +34,13 @@ namespace DotRecast.Detour
         {
         }
 
-        public override Result<List<long>> FindPath(long startRef, long endRef, Vector3f startPos, Vector3f endPos, QueryFilter filter,
+        public override Result<List<long>> FindPath(long startRef, long endRef, Vector3f startPos, Vector3f endPos, IQueryFilter filter,
             int options, float raycastLimit)
         {
             return FindPath(startRef, endRef, startPos, endPos, filter);
         }
 
-        public override Result<List<long>> FindPath(long startRef, long endRef, Vector3f startPos, Vector3f endPos, QueryFilter filter)
+        public override Result<List<long>> FindPath(long startRef, long endRef, Vector3f startPos, Vector3f endPos, IQueryFilter filter)
         {
             // Validate input
             if (!m_nav.IsValidPolyRef(startRef) || !m_nav.IsValidPolyRef(endRef) || !VIsFinite(startPos) || !VIsFinite(endPos) || null == filter)
@@ -645,7 +645,7 @@ namespace DotRecast.Detour
             return Results.Of(status, path);
         }
 
-        public override Result<FindDistanceToWallResult> FindDistanceToWall(long startRef, Vector3f centerPos, float maxRadius, QueryFilter filter)
+        public override Result<FindDistanceToWallResult> FindDistanceToWall(long startRef, Vector3f centerPos, float maxRadius, IQueryFilter filter)
         {
             // Validate input
             if (!m_nav.IsValidPolyRef(startRef) || !VIsFinite(centerPos) || maxRadius < 0

src/DotRecast.Detour/NavMeshQuery.cs

@@ -83,7 +83,7 @@ namespace DotRecast.Detour
      *            Function returning a random number [0..1).
      * @return Random location
      */
-        public Result<FindRandomPointResult> FindRandomPoint(QueryFilter filter, FRand frand)
+        public Result<FindRandomPointResult> FindRandomPoint(IQueryFilter filter, FRand frand)
         {
             // Randomly pick one tile. Assume that all tiles cover roughly the same area.
             if (null == filter || null == frand)
@@ -197,9 +197,9 @@ namespace DotRecast.Detour
      * @return Random location
      */
         public Result<FindRandomPointResult> FindRandomPointAroundCircle(long startRef, Vector3f centerPos, float maxRadius,
-            QueryFilter filter, FRand frand)
+            IQueryFilter filter, FRand frand)
         {
-            return FindRandomPointAroundCircle(startRef, centerPos, maxRadius, filter, frand, PolygonByCircleConstraint.Noop());
+            return FindRandomPointAroundCircle(startRef, centerPos, maxRadius, filter, frand, IPolygonByCircleConstraint.Noop());
         }
 
         /**
@@ -218,13 +218,13 @@ namespace DotRecast.Detour
      * @return Random location
      */
         public Result<FindRandomPointResult> FindRandomPointWithinCircle(long startRef, Vector3f centerPos, float maxRadius,
-            QueryFilter filter, FRand frand)
+            IQueryFilter filter, FRand frand)
         {
-            return FindRandomPointAroundCircle(startRef, centerPos, maxRadius, filter, frand, PolygonByCircleConstraint.Strict());
+            return FindRandomPointAroundCircle(startRef, centerPos, maxRadius, filter, frand, IPolygonByCircleConstraint.Strict());
         }
 
         public Result<FindRandomPointResult> FindRandomPointAroundCircle(long startRef, Vector3f centerPos, float maxRadius,
-            QueryFilter filter, FRand frand, PolygonByCircleConstraint constraint)
+            IQueryFilter filter, FRand frand, IPolygonByCircleConstraint constraint)
         {
             // Validate input
             if (!m_nav.IsValidPolyRef(startRef) || !VIsFinite(centerPos) || maxRadius < 0
@@ -561,7 +561,7 @@ namespace DotRecast.Detour
      *            The polygon filter to apply to the query.
      * @return FindNearestPolyResult containing nearestRef, nearestPt and overPoly
      */
-        public Result<FindNearestPolyResult> FindNearestPoly(Vector3f center, Vector3f halfExtents, QueryFilter filter)
+        public Result<FindNearestPolyResult> FindNearestPoly(Vector3f center, Vector3f halfExtents, IQueryFilter filter)
         {
             // Get nearby polygons from proximity grid.
             FindNearestPolyQuery query = new FindNearestPolyQuery(this, center);
@@ -575,7 +575,7 @@ namespace DotRecast.Detour
         }
 
         // FIXME: (PP) duplicate?
-        protected void QueryPolygonsInTile(MeshTile tile, Vector3f qmin, Vector3f qmax, QueryFilter filter, PolyQuery query)
+        protected void QueryPolygonsInTile(MeshTile tile, Vector3f qmin, Vector3f qmax, IQueryFilter filter, IPolyQuery query)
         {
             if (tile.data.bvTree != null)
             {
@@ -682,7 +682,7 @@ namespace DotRecast.Detour
      *            The polygon filter to apply to the query.
      * @return The reference ids of the polygons that overlap the query box.
      */
-        public Status QueryPolygons(Vector3f center, Vector3f halfExtents, QueryFilter filter, PolyQuery query)
+        public Status QueryPolygons(Vector3f center, Vector3f halfExtents, IQueryFilter filter, IPolyQuery query)
         {
             if (!VIsFinite(center) || !VIsFinite(halfExtents) || null == filter)
             {
@@ -750,19 +750,19 @@ namespace DotRecast.Detour
      *            The polygon filter to apply to the query.
      * @return Found path
      */
-        public virtual Result<List<long>> FindPath(long startRef, long endRef, Vector3f startPos, Vector3f endPos, QueryFilter filter)
+        public virtual Result<List<long>> FindPath(long startRef, long endRef, Vector3f startPos, Vector3f endPos, IQueryFilter filter)
         {
             return FindPath(startRef, endRef, startPos, endPos, filter, new DefaultQueryHeuristic(), 0, 0);
         }
 
-        public virtual Result<List<long>> FindPath(long startRef, long endRef, Vector3f startPos, Vector3f endPos, QueryFilter filter,
+        public virtual Result<List<long>> FindPath(long startRef, long endRef, Vector3f startPos, Vector3f endPos, IQueryFilter filter,
             int options, float raycastLimit)
         {
             return FindPath(startRef, endRef, startPos, endPos, filter, new DefaultQueryHeuristic(), options, raycastLimit);
         }
 
-        public Result<List<long>> FindPath(long startRef, long endRef, Vector3f startPos, Vector3f endPos, QueryFilter filter,
+        public Result<List<long>> FindPath(long startRef, long endRef, Vector3f startPos, Vector3f endPos, IQueryFilter filter,
-            QueryHeuristic heuristic, int options, float raycastLimit)
+            IQueryHeuristic heuristic, int options, float raycastLimit)
         {
             // Validate input
             if (!m_nav.IsValidPolyRef(startRef) || !m_nav.IsValidPolyRef(endRef) || !VIsFinite(startPos) || !VIsFinite(endPos) || null == filter)
@@ -1022,20 +1022,20 @@ namespace DotRecast.Detour
      *            query options (see: #FindPathOptions)
      * @return
      */
-        public Status InitSlicedFindPath(long startRef, long endRef, Vector3f startPos, Vector3f endPos, QueryFilter filter,
+        public Status InitSlicedFindPath(long startRef, long endRef, Vector3f startPos, Vector3f endPos, IQueryFilter filter,
             int options)
         {
             return InitSlicedFindPath(startRef, endRef, startPos, endPos, filter, options, new DefaultQueryHeuristic(), -1.0f);
         }
 
-        public Status InitSlicedFindPath(long startRef, long endRef, Vector3f startPos, Vector3f endPos, QueryFilter filter,
+        public Status InitSlicedFindPath(long startRef, long endRef, Vector3f startPos, Vector3f endPos, IQueryFilter filter,
             int options, float raycastLimit)
         {
             return InitSlicedFindPath(startRef, endRef, startPos, endPos, filter, options, new DefaultQueryHeuristic(), raycastLimit);
         }
 
-        public Status InitSlicedFindPath(long startRef, long endRef, Vector3f startPos, Vector3f endPos, QueryFilter filter,
+        public Status InitSlicedFindPath(long startRef, long endRef, Vector3f startPos, Vector3f endPos, IQueryFilter filter,
-            int options, QueryHeuristic heuristic, float raycastLimit)
+            int options, IQueryHeuristic heuristic, float raycastLimit)
         {
             // Init path state.
             m_query = new QueryData();
@@ -1800,7 +1800,7 @@ namespace DotRecast.Detour
         /// @param[in] endPos The desired end position of the mover. [(x, y, z)]
         /// @param[in] filter The polygon filter to apply to the query.
         /// @returns Path
-        public Result<MoveAlongSurfaceResult> MoveAlongSurface(long startRef, Vector3f startPos, Vector3f endPos, QueryFilter filter)
+        public Result<MoveAlongSurfaceResult> MoveAlongSurface(long startRef, Vector3f startPos, Vector3f endPos, IQueryFilter filter)
         {
             // Validate input
             if (!m_nav.IsValidPolyRef(startRef) || !VIsFinite(startPos)
@@ -2192,7 +2192,7 @@ namespace DotRecast.Detour
         /// @param[out] pathCount The number of visited polygons. [opt]
         /// @param[in] maxPath The maximum number of polygons the @p path array can hold.
         /// @returns The status flags for the query.
-        public Result<RaycastHit> Raycast(long startRef, Vector3f startPos, Vector3f endPos, QueryFilter filter, int options,
+        public Result<RaycastHit> Raycast(long startRef, Vector3f startPos, Vector3f endPos, IQueryFilter filter, int options,
             long prevRef)
         {
             // Validate input
@@ -2460,7 +2460,7 @@ namespace DotRecast.Detour
         /// @param[out] resultCount The number of polygons found. [opt]
         /// @param[in] maxResult The maximum number of polygons the result arrays can hold.
         /// @returns The status flags for the query.
-        public Result<FindPolysAroundResult> FindPolysAroundCircle(long startRef, Vector3f centerPos, float radius, QueryFilter filter)
+        public Result<FindPolysAroundResult> FindPolysAroundCircle(long startRef, Vector3f centerPos, float radius, IQueryFilter filter)
         {
             // Validate input
 
@@ -2638,7 +2638,7 @@ namespace DotRecast.Detour
         /// @param[out] resultCount The number of polygons found.
         /// @param[in] maxResult The maximum number of polygons the result arrays can hold.
         /// @returns The status flags for the query.
-        public Result<FindPolysAroundResult> FindPolysAroundShape(long startRef, float[] verts, QueryFilter filter)
+        public Result<FindPolysAroundResult> FindPolysAroundShape(long startRef, float[] verts, IQueryFilter filter)
         {
             // Validate input
             int nverts = verts.Length / 3;
@@ -2830,7 +2830,7 @@ namespace DotRecast.Detour
         /// @param[in] maxResult The maximum number of polygons the result arrays can hold.
         /// @returns The status flags for the query.
         public Result<FindLocalNeighbourhoodResult> FindLocalNeighbourhood(long startRef, Vector3f centerPos, float radius,
-            QueryFilter filter)
+            IQueryFilter filter)
         {
             // Validate input
             if (!m_nav.IsValidPolyRef(startRef) || !VIsFinite(centerPos) || radius < 0
@@ -3044,7 +3044,7 @@ namespace DotRecast.Detour
         /// @param[out] segmentCount The number of segments returned.
         /// @param[in] maxSegments The maximum number of segments the result arrays can hold.
         /// @returns The status flags for the query.
-        public Result<GetPolyWallSegmentsResult> GetPolyWallSegments(long refs, bool storePortals, QueryFilter filter)
+        public Result<GetPolyWallSegmentsResult> GetPolyWallSegments(long refs, bool storePortals, IQueryFilter filter)
         {
             Result<Tuple<MeshTile, Poly>> tileAndPoly = m_nav.GetTileAndPolyByRef(refs);
             if (tileAndPoly.Failed())
@@ -3182,7 +3182,7 @@ namespace DotRecast.Detour
         /// source point. [(x, y, z)]
         /// @returns The status flags for the query.
         public virtual Result<FindDistanceToWallResult> FindDistanceToWall(long startRef, Vector3f centerPos, float maxRadius,
-            QueryFilter filter)
+            IQueryFilter filter)
         {
             // Validate input
             if (!m_nav.IsValidPolyRef(startRef) || !VIsFinite(centerPos) || maxRadius < 0
@@ -3393,7 +3393,7 @@ namespace DotRecast.Detour
         /// Returns true if the polygon reference is valid and passes the filter restrictions.
         /// @param[in] ref The polygon reference to check.
         /// @param[in] filter The filter to apply.
-        public bool IsValidPolyRef(long refs, QueryFilter filter)
+        public bool IsValidPolyRef(long refs, IQueryFilter filter)
         {
             Result<Tuple<MeshTile, Poly>> tileAndPolyResult = m_nav.GetTileAndPolyByRef(refs);
             if (tileAndPolyResult.Failed())

src/DotRecast.Detour/QueryData.cs

@@ -30,9 +30,9 @@ namespace DotRecast.Detour
         public long startRef, endRef;
         public Vector3f startPos = new Vector3f();
         public Vector3f endPos = new Vector3f();
-        public QueryFilter filter;
+        public IQueryFilter filter;
         public int options;
         public float raycastLimitSqr;
-        public QueryHeuristic heuristic;
+        public IQueryHeuristic heuristic;
     }
 }

src/DotRecast.Recast.Demo/Draw/DebugDraw.cs

@@ -28,7 +28,7 @@ namespace DotRecast.Recast.Demo.Draw;
 public class DebugDraw
 {
     private readonly GLCheckerTexture g_tex;
-    private readonly OpenGLDraw openGlDraw;
+    private readonly IOpenGLDraw openGlDraw;
     private readonly int[] boxIndices = { 7, 6, 5, 4, 0, 1, 2, 3, 1, 5, 6, 2, 3, 7, 4, 0, 2, 6, 7, 3, 0, 4, 5, 1, };
 
     private readonly float[][] frustumPlanes = ArrayUtils.Of<float>(6, 4);
@@ -604,7 +604,7 @@ public class DebugDraw
         return _viewMatrix;
     }
 
-    private OpenGLDraw GetOpenGlDraw()
+    private IOpenGLDraw GetOpenGlDraw()
     {
         return openGlDraw;
     }

src/DotRecast.Recast.Demo/Draw/IOpenGLDraw.cs

@@ -3,7 +3,7 @@ using Silk.NET.OpenGL;
 
 namespace DotRecast.Recast.Demo.Draw;
 
-public interface OpenGLDraw
+public interface IOpenGLDraw
 {
     void Init();
 

src/DotRecast.Recast.Demo/Draw/ModernOpenGLDraw.cs

@@ -6,7 +6,7 @@ using Silk.NET.OpenGL;
 
 namespace DotRecast.Recast.Demo.Draw;
 
-public class ModernOpenGLDraw : OpenGLDraw
+public class ModernOpenGLDraw : IOpenGLDraw
 {
     private GL _gl;
     private uint program;

src/DotRecast.Recast.Demo/Geom/DemoInputGeomProvider.cs

@@ -27,7 +27,7 @@ using DotRecast.Recast.Geom;
 
 namespace DotRecast.Recast.Demo.Geom;
 
-public class DemoInputGeomProvider : InputGeomProvider
+public class DemoInputGeomProvider : IInputGeomProvider
 {
     public readonly float[] vertices;
     public readonly int[] faces;

src/DotRecast.Recast.Demo/Tools/CrowdProfilingTool.cs

@@ -83,7 +83,7 @@ public class CrowdProfilingTool
                 CreateCrowd();
                 CreateZones();
                 NavMeshQuery navquery = new NavMeshQuery(navMesh);
-                QueryFilter filter = new DefaultQueryFilter();
+                IQueryFilter filter = new DefaultQueryFilter();
                 for (int i = 0; i < agents; i++)
                 {
                     float tr = rnd.Frand();
@@ -146,7 +146,7 @@ public class CrowdProfilingTool
         }
     }
 
-    private Vector3f? GetMobPosition(NavMeshQuery navquery, QueryFilter filter)
+    private Vector3f? GetMobPosition(NavMeshQuery navquery, IQueryFilter filter)
     {
         Result<FindRandomPointResult> result = navquery.FindRandomPoint(filter, rnd);
         if (result.Succeeded())
@@ -157,7 +157,7 @@ public class CrowdProfilingTool
         return null;
     }
 
-    private Vector3f? GetVillagerPosition(NavMeshQuery navquery, QueryFilter filter)
+    private Vector3f? GetVillagerPosition(NavMeshQuery navquery, IQueryFilter filter)
     {
         if (0 < zones.Count)
         {
@@ -176,7 +176,7 @@ public class CrowdProfilingTool
     private void CreateZones()
     {
         zones.Clear();
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         NavMeshQuery navquery = new NavMeshQuery(navMesh);
         for (int i = 0; i < numberOfZones; i++)
         {
@@ -252,7 +252,7 @@ public class CrowdProfilingTool
         if (crowd != null)
         {
             NavMeshQuery navquery = new NavMeshQuery(navMesh);
-            QueryFilter filter = new DefaultQueryFilter();
+            IQueryFilter filter = new DefaultQueryFilter();
             foreach (CrowdAgent ag in crowd.GetActiveAgents())
             {
                 if (NeedsNewTarget(ag))
@@ -277,7 +277,7 @@ public class CrowdProfilingTool
         crowdUpdateTime = (endTime - startTime) / TimeSpan.TicksPerMillisecond;
     }
 
-    private void MoveMob(NavMeshQuery navquery, QueryFilter filter, CrowdAgent ag, AgentData agentData)
+    private void MoveMob(NavMeshQuery navquery, IQueryFilter filter, CrowdAgent ag, AgentData agentData)
     {
         // Move somewhere
         Result<FindNearestPolyResult> nearestPoly = navquery.FindNearestPoly(ag.npos, crowd.GetQueryExtents(), filter);
@@ -292,7 +292,7 @@ public class CrowdProfilingTool
         }
     }
 
-    private void MoveVillager(NavMeshQuery navquery, QueryFilter filter, CrowdAgent ag, AgentData agentData)
+    private void MoveVillager(NavMeshQuery navquery, IQueryFilter filter, CrowdAgent ag, AgentData agentData)
     {
         // Move somewhere close
         Result<FindNearestPolyResult> nearestPoly = navquery.FindNearestPoly(ag.npos, crowd.GetQueryExtents(), filter);
@@ -307,7 +307,7 @@ public class CrowdProfilingTool
         }
     }
 
-    private void MoveTraveller(NavMeshQuery navquery, QueryFilter filter, CrowdAgent ag, AgentData agentData)
+    private void MoveTraveller(NavMeshQuery navquery, IQueryFilter filter, CrowdAgent ag, AgentData agentData)
     {
         // Move to another zone
         List<FindRandomPointResult> potentialTargets = new();

src/DotRecast.Recast.Demo/Tools/CrowdTool.cs

@@ -192,7 +192,7 @@ public class CrowdTool : Tool
             NavMeshQuery navquery = sample.GetNavMeshQuery();
             if (nav != null && navquery != null)
             {
-                QueryFilter filter = new DefaultQueryFilter();
+                IQueryFilter filter = new DefaultQueryFilter();
                 Vector3f halfExtents = crowd.GetQueryExtents();
                 Result<FindNearestPolyResult> result = navquery.FindNearestPoly(p, halfExtents, filter);
                 long refs = result.result.GetNearestRef();
@@ -304,7 +304,7 @@ public class CrowdTool : Tool
 
         // Find nearest point on navmesh and set move request to that location.
         NavMeshQuery navquery = sample.GetNavMeshQuery();
-        QueryFilter filter = crowd.GetFilter(0);
+        IQueryFilter filter = crowd.GetFilter(0);
         Vector3f halfExtents = crowd.GetQueryExtents();
 
         if (adjust)

src/DotRecast.Recast.Demo/Tools/DynamicUpdateTool.cs

@@ -110,8 +110,8 @@ public class DynamicUpdateTool : Tool
 
     private DynamicNavMesh dynaMesh;
     private readonly TaskFactory executor;
-    private readonly Dictionary<long, Collider> colliders = new();
+    private readonly Dictionary<long, ICollider> colliders = new();
-    private readonly Dictionary<long, ColliderGizmo> colliderGizmos = new();
+    private readonly Dictionary<long, IColliderGizmo> colliderGizmos = new();
     private readonly Random random = Random.Shared;
     private readonly DemoInputGeomProvider bridgeGeom;
     private readonly DemoInputGeomProvider houseGeom;
@@ -142,7 +142,7 @@ public class DynamicUpdateTool : Tool
         {
             if (!shift)
             {
-                Tuple<Collider, ColliderGizmo> colliderWithGizmo = null;
+                Tuple<ICollider, IColliderGizmo> colliderWithGizmo = null;
                 if (dynaMesh != null)
                 {
                     if (colliderShape == ColliderShape.SPHERE)
@@ -217,15 +217,15 @@ public class DynamicUpdateTool : Tool
         }
     }
 
-    private Tuple<Collider, ColliderGizmo> SphereCollider(Vector3f p)
+    private Tuple<ICollider, IColliderGizmo> SphereCollider(Vector3f p)
     {
         float radius = 1 + (float)random.NextDouble() * 10;
-        return Tuple.Create<Collider, ColliderGizmo>(
+        return Tuple.Create<ICollider, IColliderGizmo>(
             new SphereCollider(p, radius, SampleAreaModifications.SAMPLE_POLYAREA_TYPE_WATER, dynaMesh.config.walkableClimb),
             GizmoFactory.Sphere(p, radius));
     }
 
-    private Tuple<Collider, ColliderGizmo> CapsuleCollider(Vector3f p)
+    private Tuple<ICollider, IColliderGizmo> CapsuleCollider(Vector3f p)
     {
         float radius = 0.4f + (float)random.NextDouble() * 4f;
         Vector3f a = Vector3f.Of(
@@ -240,11 +240,11 @@ public class DynamicUpdateTool : Tool
         a.z *= len;
         Vector3f start = Vector3f.Of(p.x, p.y, p.z);
         Vector3f end = Vector3f.Of(p.x + a.x, p.y + a.y, p.z + a.z);
-        return Tuple.Create<Collider, ColliderGizmo>(new CapsuleCollider(
+        return Tuple.Create<ICollider, IColliderGizmo>(new CapsuleCollider(
             start, end, radius, SampleAreaModifications.SAMPLE_POLYAREA_TYPE_WATER, dynaMesh.config.walkableClimb), GizmoFactory.Capsule(start, end, radius));
     }
 
-    private Tuple<Collider, ColliderGizmo> BoxCollider(Vector3f p)
+    private Tuple<ICollider, IColliderGizmo> BoxCollider(Vector3f p)
     {
         Vector3f extent = Vector3f.Of(
             0.5f + (float)random.NextDouble() * 6f, 
@@ -254,11 +254,11 @@ public class DynamicUpdateTool : Tool
         Vector3f forward = Vector3f.Of((1f - 2 * (float)random.NextDouble()), 0, (1f - 2 * (float)random.NextDouble()));
         Vector3f up = Vector3f.Of((1f - 2 * (float)random.NextDouble()), 0.01f + (float)random.NextDouble(), (1f - 2 * (float)random.NextDouble()));
         Vector3f[] halfEdges = Detour.Dynamic.Colliders.BoxCollider.GetHalfEdges(up, forward, extent);
-        return Tuple.Create<Collider, ColliderGizmo>(
+        return Tuple.Create<ICollider, IColliderGizmo>(
             new BoxCollider(p, halfEdges, SampleAreaModifications.SAMPLE_POLYAREA_TYPE_WATER, dynaMesh.config.walkableClimb), GizmoFactory.Box(p, halfEdges));
     }
 
-    private Tuple<Collider, ColliderGizmo> CylinderCollider(Vector3f p)
+    private Tuple<ICollider, IColliderGizmo> CylinderCollider(Vector3f p)
     {
         float radius = 0.7f + (float)random.NextDouble() * 4f;
         float[] a = new float[] { (1f - 2 * (float)random.NextDouble()), 0.01f + (float)random.NextDouble(), (1f - 2 * (float)random.NextDouble()) };
@@ -269,11 +269,11 @@ public class DynamicUpdateTool : Tool
         a[2] *= len;
         Vector3f start = Vector3f.Of(p.x, p.y, p.z);
         Vector3f end = Vector3f.Of(p.x + a[0], p.y + a[1], p.z + a[2]);
-        return Tuple.Create<Collider, ColliderGizmo>(new CylinderCollider(start, end, radius, SampleAreaModifications.SAMPLE_POLYAREA_TYPE_WATER,
+        return Tuple.Create<ICollider, IColliderGizmo>(new CylinderCollider(start, end, radius, SampleAreaModifications.SAMPLE_POLYAREA_TYPE_WATER,
             dynaMesh.config.walkableClimb), GizmoFactory.Cylinder(start, end, radius));
     }
 
-    private Tuple<Collider, ColliderGizmo> CompositeCollider(Vector3f p)
+    private Tuple<ICollider, IColliderGizmo> CompositeCollider(Vector3f p)
     {
         Vector3f baseExtent = Vector3f.Of(5, 3, 8);
         Vector3f baseCenter = Vector3f.Of(p.x, p.y + 3, p.z);
@@ -305,38 +305,38 @@ public class DynamicUpdateTool : Tool
         SphereCollider crown = new SphereCollider(crownCenter, 4f, SampleAreaModifications.SAMPLE_POLYAREA_TYPE_GRASS,
             dynaMesh.config.walkableClimb);
         CompositeCollider collider = new CompositeCollider(@base, roof, trunk, crown);
-        ColliderGizmo baseGizmo = GizmoFactory.Box(baseCenter, Detour.Dynamic.Colliders.BoxCollider.GetHalfEdges(baseUp, forward, baseExtent));
+        IColliderGizmo baseGizmo = GizmoFactory.Box(baseCenter, Detour.Dynamic.Colliders.BoxCollider.GetHalfEdges(baseUp, forward, baseExtent));
-        ColliderGizmo roofGizmo = GizmoFactory.Box(roofCenter, Detour.Dynamic.Colliders.BoxCollider.GetHalfEdges(roofUp, forward, roofExtent));
+        IColliderGizmo roofGizmo = GizmoFactory.Box(roofCenter, Detour.Dynamic.Colliders.BoxCollider.GetHalfEdges(roofUp, forward, roofExtent));
-        ColliderGizmo trunkGizmo = GizmoFactory.Capsule(trunkStart, trunkEnd, 0.5f);
+        IColliderGizmo trunkGizmo = GizmoFactory.Capsule(trunkStart, trunkEnd, 0.5f);
-        ColliderGizmo crownGizmo = GizmoFactory.Sphere(crownCenter, 4f);
+        IColliderGizmo crownGizmo = GizmoFactory.Sphere(crownCenter, 4f);
-        ColliderGizmo gizmo = GizmoFactory.Composite(baseGizmo, roofGizmo, trunkGizmo, crownGizmo);
+        IColliderGizmo gizmo = GizmoFactory.Composite(baseGizmo, roofGizmo, trunkGizmo, crownGizmo);
-        return Tuple.Create<Collider, ColliderGizmo>(collider, gizmo);
+        return Tuple.Create<ICollider, IColliderGizmo>(collider, gizmo);
     }
 
-    private Tuple<Collider, ColliderGizmo> TrimeshBridge(Vector3f p)
+    private Tuple<ICollider, IColliderGizmo> TrimeshBridge(Vector3f p)
     {
         return TrimeshCollider(p, bridgeGeom);
     }
 
-    private Tuple<Collider, ColliderGizmo> TrimeshHouse(Vector3f p)
+    private Tuple<ICollider, IColliderGizmo> TrimeshHouse(Vector3f p)
     {
         return TrimeshCollider(p, houseGeom);
     }
 
-    private Tuple<Collider, ColliderGizmo> ConvexTrimesh(Vector3f p)
+    private Tuple<ICollider, IColliderGizmo> ConvexTrimesh(Vector3f p)
     {
         float[] verts = TransformVertices(p, convexGeom, 360);
         ConvexTrimeshCollider collider = new ConvexTrimeshCollider(verts, convexGeom.faces,
             SampleAreaModifications.SAMPLE_POLYAREA_TYPE_ROAD, dynaMesh.config.walkableClimb * 10);
-        return Tuple.Create<Collider, ColliderGizmo>(collider, GizmoFactory.Trimesh(verts, convexGeom.faces));
+        return Tuple.Create<ICollider, IColliderGizmo>(collider, GizmoFactory.Trimesh(verts, convexGeom.faces));
     }
 
-    private Tuple<Collider, ColliderGizmo> TrimeshCollider(Vector3f p, DemoInputGeomProvider geom)
+    private Tuple<ICollider, IColliderGizmo> TrimeshCollider(Vector3f p, DemoInputGeomProvider geom)
     {
         float[] verts = TransformVertices(p, geom, 0);
         TrimeshCollider collider = new TrimeshCollider(verts, geom.faces, SampleAreaModifications.SAMPLE_POLYAREA_TYPE_ROAD,
             dynaMesh.config.walkableClimb * 10);
-        return Tuple.Create<Collider, ColliderGizmo>(collider, GizmoFactory.Trimesh(verts, geom.faces));
+        return Tuple.Create<ICollider, IColliderGizmo>(collider, GizmoFactory.Trimesh(verts, geom.faces));
     }
 
     private float[] TransformVertices(Vector3f p, DemoInputGeomProvider geom, float ax)

src/DotRecast.Recast.Demo/Tools/Gizmos/BoxGizmo.cs

@@ -4,7 +4,7 @@ using DotRecast.Recast.Demo.Draw;
 
 namespace DotRecast.Recast.Demo.Tools.Gizmos;
 
-public class BoxGizmo : ColliderGizmo
+public class BoxGizmo : IColliderGizmo
 {
     private static readonly int[] TRIANLGES =
     {

src/DotRecast.Recast.Demo/Tools/Gizmos/CapsuleGizmo.cs

@@ -6,7 +6,7 @@ using static DotRecast.Recast.Demo.Tools.Gizmos.GizmoHelper;
 
 namespace DotRecast.Recast.Demo.Tools.Gizmos;
 
-public class CapsuleGizmo : ColliderGizmo
+public class CapsuleGizmo : IColliderGizmo
 {
     private readonly float[] vertices;
     private readonly int[] triangles;

src/DotRecast.Recast.Demo/Tools/Gizmos/CompositeGizmo.cs

@@ -4,11 +4,11 @@ using DotRecast.Recast.Demo.Draw;
 
 namespace DotRecast.Recast.Demo.Tools.Gizmos;
 
-public class CompositeGizmo : ColliderGizmo
+public class CompositeGizmo : IColliderGizmo
 {
-    private readonly ColliderGizmo[] gizmos;
+    private readonly IColliderGizmo[] gizmos;
 
-    public CompositeGizmo(params ColliderGizmo[] gizmos)
+    public CompositeGizmo(params IColliderGizmo[] gizmos)
     {
         this.gizmos = gizmos;
     }

src/DotRecast.Recast.Demo/Tools/Gizmos/CylinderGizmo.cs

@@ -7,7 +7,7 @@ using static DotRecast.Recast.Demo.Tools.Gizmos.GizmoHelper;
 
 namespace DotRecast.Recast.Demo.Tools.Gizmos;
 
-public class CylinderGizmo : ColliderGizmo
+public class CylinderGizmo : IColliderGizmo
 {
     private readonly float[] vertices;
     private readonly int[] triangles;

src/DotRecast.Recast.Demo/Tools/Gizmos/GizmoFactory.cs

@@ -4,32 +4,32 @@ namespace DotRecast.Recast.Demo.Tools.Gizmos;
 
 public static class GizmoFactory
 {
-    public static ColliderGizmo Box(Vector3f center, Vector3f[] halfEdges)
+    public static IColliderGizmo Box(Vector3f center, Vector3f[] halfEdges)
     {
         return new BoxGizmo(center, halfEdges);
     }
 
-    public static ColliderGizmo Sphere(Vector3f center, float radius)
+    public static IColliderGizmo Sphere(Vector3f center, float radius)
     {
         return new SphereGizmo(center, radius);
     }
 
-    public static ColliderGizmo Capsule(Vector3f start, Vector3f end, float radius)
+    public static IColliderGizmo Capsule(Vector3f start, Vector3f end, float radius)
     {
         return new CapsuleGizmo(start, end, radius);
     }
 
-    public static ColliderGizmo Cylinder(Vector3f start, Vector3f end, float radius)
+    public static IColliderGizmo Cylinder(Vector3f start, Vector3f end, float radius)
     {
         return new CylinderGizmo(start, end, radius);
     }
 
-    public static ColliderGizmo Trimesh(float[] verts, int[] faces)
+    public static IColliderGizmo Trimesh(float[] verts, int[] faces)
     {
         return new TrimeshGizmo(verts, faces);
     }
 
-    public static ColliderGizmo Composite(params ColliderGizmo[] gizmos)
+    public static IColliderGizmo Composite(params IColliderGizmo[] gizmos)
     {
         return new CompositeGizmo(gizmos);
     }

src/DotRecast.Recast.Demo/Tools/Gizmos/IColliderGizmo.cs

@@ -2,7 +2,7 @@ using DotRecast.Recast.Demo.Draw;
 
 namespace DotRecast.Recast.Demo.Tools.Gizmos;
 
-public interface ColliderGizmo
+public interface IColliderGizmo
 {
     void Render(RecastDebugDraw debugDraw);
 }

src/DotRecast.Recast.Demo/Tools/Gizmos/SphereGizmo.cs

@@ -6,7 +6,7 @@ using static DotRecast.Recast.Demo.Tools.Gizmos.GizmoHelper;
 
 namespace DotRecast.Recast.Demo.Tools.Gizmos;
 
-public class SphereGizmo : ColliderGizmo
+public class SphereGizmo : IColliderGizmo
 {
     private readonly float[] vertices;
     private readonly int[] triangles;

src/DotRecast.Recast.Demo/Tools/Gizmos/TrimeshGizmo.cs

@@ -2,7 +2,7 @@
 
 namespace DotRecast.Recast.Demo.Tools.Gizmos;
 
-public class TrimeshGizmo : ColliderGizmo
+public class TrimeshGizmo : IColliderGizmo
 {
     private readonly float[] vertices;
     private readonly int[] triangles;

src/DotRecast.Recast.Demo/Tools/TestNavmeshTool.cs

@@ -489,9 +489,9 @@ public class TestNavmeshTool : Tool
                 float dx = m_epos.x - m_spos.x;
                 float dz = m_epos.z - m_spos.z;
                 float dist = (float)Math.Sqrt(dx * dx + dz * dz);
-                PolygonByCircleConstraint constraint = constrainByCircle
+                IPolygonByCircleConstraint constraint = constrainByCircle
-                    ? PolygonByCircleConstraint.Strict()
+                    ? IPolygonByCircleConstraint.Strict()
-                    : PolygonByCircleConstraint.Noop();
+                    : IPolygonByCircleConstraint.Noop();
                 for (int i = 0; i < 200; i++)
                 {
                     Result<FindRandomPointResult> result = m_navQuery.FindRandomPointAroundCircle(m_startRef, m_spos, dist,

src/DotRecast.Recast.Demo/Tools/ToolUIModule.cs

@@ -1,26 +0,0 @@
-/*
-recast4j copyright (c) 2021 Piotr Piastucki piotr@jtilia.org
-
-This software is provided 'as-is', without any express or implied
-warranty.  In no event will the authors be held liable for any damages
-arising from the use of this software.
-Permission is granted to anyone to use this software for any purpose,
-including commercial applications, and to alter it and redistribute it
-freely, subject to the following restrictions:
-1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
-2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
-3. This notice may not be removed or altered from any source distribution.
-*/
-
-using Silk.NET.Windowing;
-
-namespace DotRecast.Recast.Demo.Tools;
-
-public interface ToolUIModule
-{
-    void Layout(IWindow ctx);
-}

src/DotRecast.Recast/Geom/IConvexVolumeProvider.cs

@@ -20,7 +20,7 @@ using System.Collections.Generic;
 
 namespace DotRecast.Recast.Geom
 {
-    public interface ConvexVolumeProvider
+    public interface IConvexVolumeProvider
     {
         IList<ConvexVolume> ConvexVolumes();
     }

src/DotRecast.Recast/Geom/IInputGeomProvider.cs

@@ -23,7 +23,7 @@ using DotRecast.Core;
 
 namespace DotRecast.Recast.Geom
 {
-    public interface InputGeomProvider : ConvexVolumeProvider
+    public interface IInputGeomProvider : IConvexVolumeProvider
     {
         Vector3f GetMeshBoundsMin();
 

src/DotRecast.Recast/Geom/SimpleInputGeomProvider.cs

@@ -25,7 +25,7 @@ using DotRecast.Core;
 
 namespace DotRecast.Recast.Geom
 {
-    public class SimpleInputGeomProvider : InputGeomProvider
+    public class SimpleInputGeomProvider : IInputGeomProvider
     {
         public readonly float[] vertices;
         public readonly int[] faces;

src/DotRecast.Recast/Geom/SingleTrimeshInputGeomProvider.cs

@@ -23,7 +23,7 @@ using DotRecast.Core;
 
 namespace DotRecast.Recast.Geom
 {
-    public class SingleTrimeshInputGeomProvider : InputGeomProvider
+    public class SingleTrimeshInputGeomProvider : IInputGeomProvider
     {
         private readonly Vector3f bmin;
         private readonly Vector3f bmax;

src/DotRecast.Recast/ObjImporter.cs

@@ -31,7 +31,7 @@ namespace DotRecast.Recast
             public List<int> meshFaces = new List<int>();
         }
 
-        public static InputGeomProvider Load(byte[] chunck)
+        public static IInputGeomProvider Load(byte[] chunck)
         {
             var context = LoadContext(chunck);
             return new SimpleInputGeomProvider(context.vertexPositions, context.meshFaces);

src/DotRecast.Recast/RecastBuilder.cs

@@ -29,24 +29,24 @@ namespace DotRecast.Recast
 {
     public class RecastBuilder
     {
-        public interface RecastBuilderProgressListener
+        public interface IRecastBuilderProgressListener
         {
             void OnProgress(int completed, int total);
         }
 
-        private readonly RecastBuilderProgressListener progressListener;
+        private readonly IRecastBuilderProgressListener progressListener;
 
         public RecastBuilder()
         {
             progressListener = null;
         }
 
-        public RecastBuilder(RecastBuilderProgressListener progressListener)
+        public RecastBuilder(IRecastBuilderProgressListener progressListener)
         {
             this.progressListener = progressListener;
         }
 
-        public List<RecastBuilderResult> BuildTiles(InputGeomProvider geom, RecastConfig cfg, TaskFactory taskFactory)
+        public List<RecastBuilderResult> BuildTiles(IInputGeomProvider geom, RecastConfig cfg, TaskFactory taskFactory)
         {
             Vector3f bmin = geom.GetMeshBoundsMin();
             Vector3f bmax = geom.GetMeshBoundsMax();
@@ -67,7 +67,7 @@ namespace DotRecast.Recast
         }
 
 
-        public Task BuildTilesAsync(InputGeomProvider geom, RecastConfig cfg, int threads, List<RecastBuilderResult> results, TaskFactory taskFactory, CancellationToken cancellationToken)
+        public Task BuildTilesAsync(IInputGeomProvider geom, RecastConfig cfg, int threads, List<RecastBuilderResult> results, TaskFactory taskFactory, CancellationToken cancellationToken)
         {
             Vector3f bmin = geom.GetMeshBoundsMin();
             Vector3f bmax = geom.GetMeshBoundsMax();
@@ -87,7 +87,7 @@ namespace DotRecast.Recast
             return task;
         }
 
-        private Task BuildSingleThreadAsync(InputGeomProvider geom, RecastConfig cfg, Vector3f bmin, Vector3f bmax,
+        private Task BuildSingleThreadAsync(IInputGeomProvider geom, RecastConfig cfg, Vector3f bmin, Vector3f bmax,
             int tw, int th, List<RecastBuilderResult> results)
         {
             AtomicInteger counter = new AtomicInteger(0);
@@ -102,7 +102,7 @@ namespace DotRecast.Recast
             return Task.CompletedTask;
         }
 
-        private Task BuildMultiThreadAsync(InputGeomProvider geom, RecastConfig cfg, Vector3f bmin, Vector3f bmax,
+        private Task BuildMultiThreadAsync(IInputGeomProvider geom, RecastConfig cfg, Vector3f bmin, Vector3f bmax,
             int tw, int th, List<RecastBuilderResult> results, TaskFactory taskFactory, CancellationToken cancellationToken)
         {
             AtomicInteger counter = new AtomicInteger(0);
@@ -152,7 +152,7 @@ namespace DotRecast.Recast
             return Task.WhenAll(tasks.ToArray());
         }
 
-        private RecastBuilderResult BuildTile(InputGeomProvider geom, RecastConfig cfg, Vector3f bmin, Vector3f bmax, int tx,
+        private RecastBuilderResult BuildTile(IInputGeomProvider geom, RecastConfig cfg, Vector3f bmin, Vector3f bmax, int tx,
             int ty, AtomicInteger counter, int total)
         {
             RecastBuilderResult result = Build(geom, new RecastBuilderConfig(cfg, bmin, bmax, tx, ty));
@@ -164,7 +164,7 @@ namespace DotRecast.Recast
             return result;
         }
 
-        public RecastBuilderResult Build(InputGeomProvider geom, RecastBuilderConfig builderCfg)
+        public RecastBuilderResult Build(IInputGeomProvider geom, RecastBuilderConfig builderCfg)
         {
             RecastConfig cfg = builderCfg.cfg;
             Telemetry ctx = new Telemetry();
@@ -175,7 +175,7 @@ namespace DotRecast.Recast
             return Build(builderCfg.tileX, builderCfg.tileZ, geom, cfg, solid, ctx);
         }
 
-        public RecastBuilderResult Build(int tileX, int tileZ, ConvexVolumeProvider geom, RecastConfig cfg, Heightfield solid,
+        public RecastBuilderResult Build(int tileX, int tileZ, IConvexVolumeProvider geom, RecastConfig cfg, Heightfield solid,
             Telemetry ctx)
         {
             FilterHeightfield(solid, cfg, ctx);
@@ -290,7 +290,7 @@ namespace DotRecast.Recast
         /*
          * Step 3. Partition walkable surface to simple regions.
          */
-        private CompactHeightfield BuildCompactHeightfield(ConvexVolumeProvider volumeProvider, RecastConfig cfg, Telemetry ctx,
+        private CompactHeightfield BuildCompactHeightfield(IConvexVolumeProvider volumeProvider, RecastConfig cfg, Telemetry ctx,
             Heightfield solid)
         {
             // Compact the heightfield so that it is faster to handle from now on.
@@ -312,7 +312,7 @@ namespace DotRecast.Recast
             return chf;
         }
 
-        public HeightfieldLayerSet BuildLayers(InputGeomProvider geom, RecastBuilderConfig builderCfg)
+        public HeightfieldLayerSet BuildLayers(IInputGeomProvider geom, RecastBuilderConfig builderCfg)
         {
             Telemetry ctx = new Telemetry();
             Heightfield solid = RecastVoxelization.BuildSolidHeightfield(geom, builderCfg, ctx);

src/DotRecast.Recast/RecastVoxelization.cs

@@ -23,7 +23,7 @@ namespace DotRecast.Recast
 {
     public class RecastVoxelization
     {
-        public static Heightfield BuildSolidHeightfield(InputGeomProvider geomProvider, RecastBuilderConfig builderCfg,
+        public static Heightfield BuildSolidHeightfield(IInputGeomProvider geomProvider, RecastBuilderConfig builderCfg,
             Telemetry ctx)
         {
             RecastConfig cfg = builderCfg.cfg;

test/DotRecast.Detour.Crowd.Test/AbstractCrowdTest.cs

@@ -132,7 +132,7 @@ public class AbstractCrowdTest
     protected void SetMoveTarget(Vector3f pos, bool adjust)
     {
         Vector3f ext = crowd.GetQueryExtents();
-        QueryFilter filter = crowd.GetFilter(0);
+        IQueryFilter filter = crowd.GetFilter(0);
         if (adjust)
         {
             foreach (CrowdAgent ag in crowd.GetActiveAgents())

test/DotRecast.Detour.Crowd.Test/PathCorridorTest.cs

@@ -28,7 +28,7 @@ namespace DotRecast.Detour.Crowd.Test;
 public class PathCorridorTest
 {
     private readonly PathCorridor corridor = new PathCorridor();
-    private readonly QueryFilter filter = new DefaultQueryFilter();
+    private readonly IQueryFilter filter = new DefaultQueryFilter();
 
     [SetUp]
     public void SetUp()

test/DotRecast.Detour.Crowd.Test/RecastTestMeshBuilder.cs

@@ -46,7 +46,7 @@ public class RecastTestMeshBuilder
     {
     }
 
-    public RecastTestMeshBuilder(InputGeomProvider m_geom, PartitionType m_partitionType, float m_cellSize,
+    public RecastTestMeshBuilder(IInputGeomProvider m_geom, PartitionType m_partitionType, float m_cellSize,
         float m_cellHeight, float m_agentHeight, float m_agentRadius, float m_agentMaxClimb, float m_agentMaxSlope,
         int m_regionMinSize, int m_regionMergeSize, float m_edgeMaxLen, float m_edgeMaxError, int m_vertsPerPoly,
         float m_detailSampleDist, float m_detailSampleMaxError)

test/DotRecast.Detour.Dynamic.Test/DynamicNavMeshTest.cs

@@ -36,7 +36,7 @@ public class DynamicNavMeshTest
         bool _ = future.Result;
         // create new query
         NavMeshQuery query = new NavMeshQuery(mesh.NavMesh());
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         // find path
         FindNearestPolyResult start = query.FindNearestPoly(START_POS, EXTENT, filter).result;
         FindNearestPolyResult end = query.FindNearestPoly(END_POS, EXTENT, filter).result;
@@ -45,7 +45,7 @@ public class DynamicNavMeshTest
         // check path length without any obstacles
         Assert.That(path.Count, Is.EqualTo(16));
         // place obstacle
-        Collider colldier = new SphereCollider(SPHERE_POS, 20, SampleAreaModifications.SAMPLE_POLYAREA_TYPE_GROUND, 0.1f);
+        ICollider colldier = new SphereCollider(SPHERE_POS, 20, SampleAreaModifications.SAMPLE_POLYAREA_TYPE_GROUND, 0.1f);
         long colliderId = mesh.AddCollider(colldier);
         // update navmesh asynchronously
         future = mesh.Update(Task.Factory);

test/DotRecast.Detour.Extras.Test/Unity/Astar/UnityAStarPathfindingImporterTest.cs

@@ -93,7 +93,7 @@ public class UnityAStarPathfindingImporterTest
     {
         // Perform a simple pathfinding
         NavMeshQuery query = new NavMeshQuery(mesh);
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
 
         FindNearestPolyResult[] polys = GetNearestPolys(mesh, startPos, endPos);
         return query.FindPath(polys[0].GetNearestRef(), polys[1].GetNearestRef(), startPos, endPos, filter);
@@ -102,7 +102,7 @@ public class UnityAStarPathfindingImporterTest
     private FindNearestPolyResult[] GetNearestPolys(NavMesh mesh, params Vector3f[] positions)
     {
         NavMeshQuery query = new NavMeshQuery(mesh);
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         Vector3f extents = Vector3f.Of(0.1f, 0.1f, 0.1f);
 
         FindNearestPolyResult[] results = new FindNearestPolyResult[positions.Length];

test/DotRecast.Detour.Test/FindDistanceToWallTest.cs

@@ -48,7 +48,7 @@ public class FindDistanceToWallTest : AbstractDetourTest
     [Test]
     public void TestFindDistanceToWall()
     {
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         for (int i = 0; i < startRefs.Length; i++)
         {
             Vector3f startPos = startPoss[i];

test/DotRecast.Detour.Test/FindLocalNeighbourhoodTest.cs

@@ -54,7 +54,7 @@ public class FindLocalNeighbourhoodTest : AbstractDetourTest
     [Test]
     public void TestFindNearestPoly()
     {
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         for (int i = 0; i < startRefs.Length; i++)
         {
             Vector3f startPos = startPoss[i];

test/DotRecast.Detour.Test/FindNearestPolyTest.cs

@@ -37,7 +37,7 @@ public class FindNearestPolyTest : AbstractDetourTest
     [Test]
     public void TestFindNearestPoly()
     {
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         Vector3f extents = Vector3f.Of(2, 4, 2);
         for (int i = 0; i < startRefs.Length; i++)
         {
@@ -52,7 +52,7 @@ public class FindNearestPolyTest : AbstractDetourTest
         }
     }
 
-    public class EmptyQueryFilter : QueryFilter
+    public class EmptyQueryFilter : IQueryFilter
     {
         public bool PassFilter(long refs, MeshTile tile, Poly poly)
         {

test/DotRecast.Detour.Test/FindPathTest.cs

@@ -131,7 +131,7 @@ public class FindPathTest : AbstractDetourTest
     [Test]
     public void TestFindPath()
     {
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         for (int i = 0; i < startRefs.Length; i++)
         {
             long startRef = startRefs[i];
@@ -151,7 +151,7 @@ public class FindPathTest : AbstractDetourTest
     [Test]
     public void TestFindPathSliced()
     {
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         for (int i = 0; i < startRefs.Length; i++)
         {
             long startRef = startRefs[i];
@@ -179,7 +179,7 @@ public class FindPathTest : AbstractDetourTest
     [Test]
     public void TestFindPathStraight()
     {
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         for (int i = 0; i < STRAIGHT_PATHS.Length; i++)
         {
             // startRefs.Length; i++) {

test/DotRecast.Detour.Test/FindPolysAroundCircleTest.cs

@@ -101,7 +101,7 @@ public class FindPolysAroundCircleTest : AbstractDetourTest
     [Test]
     public void TestFindPolysAroundCircle()
     {
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         for (int i = 0; i < startRefs.Length; i++)
         {
             long startRef = startRefs[i];

test/DotRecast.Detour.Test/FindPolysAroundShapeTest.cs

@@ -128,7 +128,7 @@ public class FindPolysAroundShapeTest : AbstractDetourTest
     [Test]
     public void TestFindPolysAroundShape()
     {
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         for (int i = 0; i < startRefs.Length; i++)
         {
             long startRef = startRefs[i];

test/DotRecast.Detour.Test/GetPolyWallSegmentsTest.cs

@@ -77,7 +77,7 @@ public class GetPolyWallSegmentsTest : AbstractDetourTest
     [Test]
     public void TestFindDistanceToWall()
     {
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         for (int i = 0; i < startRefs.Length; i++)
         {
             Result<GetPolyWallSegmentsResult> result = query.GetPolyWallSegments(startRefs[i], true, filter);

test/DotRecast.Detour.Test/Io/MeshSetReaderWriterTest.cs

@@ -54,7 +54,7 @@ public class MeshSetReaderWriterTest
     [Test]
     public void Test()
     {
-        InputGeomProvider geom = ObjImporter.Load(Loader.ToBytes("dungeon.obj"));
+        IInputGeomProvider geom = ObjImporter.Load(Loader.ToBytes("dungeon.obj"));
 
         NavMeshSetHeader header = new NavMeshSetHeader();
         header.magic = NavMeshSetHeader.NAVMESHSET_MAGIC;

test/DotRecast.Detour.Test/MoveAlongSurfaceTest.cs

@@ -68,7 +68,7 @@ public class MoveAlongSurfaceTest : AbstractDetourTest
     [Test]
     public void TestMoveAlongSurface()
     {
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         for (int i = 0; i < startRefs.Length; i++)
         {
             long startRef = startRefs[i];

test/DotRecast.Detour.Test/PolygonByCircleConstraintTest.cs

@@ -24,7 +24,7 @@ namespace DotRecast.Detour.Test;
 [Parallelizable]
 public class PolygonByCircleConstraintTest
 {
-    private readonly PolygonByCircleConstraint constraint = new PolygonByCircleConstraint.StrictPolygonByCircleConstraint();
+    private readonly IPolygonByCircleConstraint constraint = new IPolygonByCircleConstraint.StrictPolygonByCircleConstraint();
 
     [Test]
     public void ShouldHandlePolygonFullyInsideCircle()

test/DotRecast.Detour.Test/RandomPointTest.cs

@@ -32,7 +32,7 @@ public class RandomPointTest : AbstractDetourTest
     public void TestRandom()
     {
         FRand f = new FRand(1);
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         for (int i = 0; i < 1000; i++)
         {
             Result<FindRandomPointResult> point = query.FindRandomPoint(filter, f);
@@ -60,7 +60,7 @@ public class RandomPointTest : AbstractDetourTest
     public void TestRandomAroundCircle()
     {
         FRand f = new FRand(1);
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         FindRandomPointResult point = query.FindRandomPoint(filter, f).result;
         for (int i = 0; i < 1000; i++)
         {
@@ -91,7 +91,7 @@ public class RandomPointTest : AbstractDetourTest
     public void TestRandomWithinCircle()
     {
         FRand f = new FRand(1);
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         FindRandomPointResult point = query.FindRandomPoint(filter, f).result;
         float radius = 5f;
         for (int i = 0; i < 1000; i++)
@@ -109,7 +109,7 @@ public class RandomPointTest : AbstractDetourTest
     public void TestPerformance()
     {
         FRand f = new FRand(1);
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         FindRandomPointResult point = query.FindRandomPoint(filter, f).result;
         float radius = 5f;
         // jvm warmup

test/DotRecast.Detour.Test/RecastTestMeshBuilder.cs

@@ -47,7 +47,7 @@ public class RecastTestMeshBuilder
     {
     }
 
-    public RecastTestMeshBuilder(InputGeomProvider m_geom, PartitionType m_partitionType, float m_cellSize,
+    public RecastTestMeshBuilder(IInputGeomProvider m_geom, PartitionType m_partitionType, float m_cellSize,
         float m_cellHeight, float m_agentHeight, float m_agentRadius, float m_agentMaxClimb, float m_agentMaxSlope,
         int m_regionMinSize, int m_regionMergeSize, float m_edgeMaxLen, float m_edgeMaxError, int m_vertsPerPoly,
         float m_detailSampleDist, float m_detailSampleMaxError)

test/DotRecast.Detour.Test/TestDetourBuilder.cs

@@ -23,7 +23,7 @@ namespace DotRecast.Detour.Test;
 
 public class TestDetourBuilder : DetourBuilder
 {
-    public MeshData Build(InputGeomProvider geom, RecastBuilderConfig rcConfig, float agentHeight, float agentRadius,
+    public MeshData Build(IInputGeomProvider geom, RecastBuilderConfig rcConfig, float agentHeight, float agentRadius,
         float agentMaxClimb, int x, int y, bool applyRecastDemoFlags)
     {
         RecastBuilder rcBuilder = new RecastBuilder();

test/DotRecast.Detour.Test/TestTiledNavMeshBuilder.cs

@@ -52,7 +52,7 @@ public class TestTiledNavMeshBuilder
     {
     }
 
-    public TestTiledNavMeshBuilder(InputGeomProvider m_geom, PartitionType m_partitionType, float m_cellSize, float m_cellHeight,
+    public TestTiledNavMeshBuilder(IInputGeomProvider m_geom, PartitionType m_partitionType, float m_cellSize, float m_cellHeight,
         float m_agentHeight, float m_agentRadius, float m_agentMaxClimb, float m_agentMaxSlope, int m_regionMinSize,
         int m_regionMergeSize, float m_edgeMaxLen, float m_edgeMaxError, int m_vertsPerPoly, float m_detailSampleDist,
         float m_detailSampleMaxError, int m_tileSize)

test/DotRecast.Detour.Test/TiledFindPathTest.cs

@@ -64,7 +64,7 @@ public class TiledFindPathTest
     [Test]
     public void TestFindPath()
     {
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         for (int i = 0; i < START_REFS.Length; i++)
         {
             long startRef = START_REFS[i];

test/DotRecast.Detour.TileCache.Test/AbstractTileCacheTest.cs

@@ -39,7 +39,7 @@ public class AbstractTileCacheTest
     private readonly float m_edgeMaxError = 1.3f;
     private readonly int m_tileSize = 48;
 
-    protected class TestTileCacheMeshProcess : TileCacheMeshProcess
+    protected class TestTileCacheMeshProcess : ITileCacheMeshProcess
     {
         public void Process(NavMeshDataCreateParams option)
         {
@@ -50,7 +50,7 @@ public class AbstractTileCacheTest
         }
     }
 
-    public TileCache GetTileCache(InputGeomProvider geom, ByteOrder order, bool cCompatibility)
+    public TileCache GetTileCache(IInputGeomProvider geom, ByteOrder order, bool cCompatibility)
     {
         TileCacheParams option = new TileCacheParams();
         int[] twh = Recast.Recast.CalcTileCount(geom.GetMeshBoundsMin(), geom.GetMeshBoundsMax(), m_cellSize, m_tileSize, m_tileSize);

test/DotRecast.Detour.TileCache.Test/Io/TileCacheReaderWriterTest.cs

@@ -50,7 +50,7 @@ public class TileCacheReaderWriterTest : AbstractTileCacheTest
 
     private void TestDungeon(bool cCompatibility)
     {
-        InputGeomProvider geom = ObjImporter.Load(Loader.ToBytes("dungeon.obj"));
+        IInputGeomProvider geom = ObjImporter.Load(Loader.ToBytes("dungeon.obj"));
         TestTileLayerBuilder layerBuilder = new TestTileLayerBuilder(geom);
         List<byte[]> layers = layerBuilder.Build(ByteOrder.LITTLE_ENDIAN, cCompatibility, 1);
         TileCache tc = GetTileCache(geom, ByteOrder.LITTLE_ENDIAN, cCompatibility);

test/DotRecast.Detour.TileCache.Test/TempObstaclesTest.cs

@@ -33,7 +33,7 @@ public class TempObstaclesTest : AbstractTileCacheTest
     public void TestDungeon()
     {
         bool cCompatibility = true;
-        InputGeomProvider geom = ObjImporter.Load(Loader.ToBytes("dungeon.obj"));
+        IInputGeomProvider geom = ObjImporter.Load(Loader.ToBytes("dungeon.obj"));
         TestTileLayerBuilder layerBuilder = new TestTileLayerBuilder(geom);
         List<byte[]> layers = layerBuilder.Build(ByteOrder.LITTLE_ENDIAN, cCompatibility, 1);
         TileCache tc = GetTileCache(geom, ByteOrder.LITTLE_ENDIAN, cCompatibility);
@@ -67,7 +67,7 @@ public class TempObstaclesTest : AbstractTileCacheTest
     public void TestDungeonBox()
     {
         bool cCompatibility = true;
-        InputGeomProvider geom = ObjImporter.Load(Loader.ToBytes("dungeon.obj"));
+        IInputGeomProvider geom = ObjImporter.Load(Loader.ToBytes("dungeon.obj"));
         TestTileLayerBuilder layerBuilder = new TestTileLayerBuilder(geom);
         List<byte[]> layers = layerBuilder.Build(ByteOrder.LITTLE_ENDIAN, cCompatibility, 1);
         TileCache tc = GetTileCache(geom, ByteOrder.LITTLE_ENDIAN, cCompatibility);

test/DotRecast.Detour.TileCache.Test/TestTileLayerBuilder.cs

@@ -45,11 +45,11 @@ public class TestTileLayerBuilder : AbstractTileLayersBuilder
     private const float m_detailSampleMaxError = 1.0f;
     private readonly RecastConfig rcConfig;
     private const int m_tileSize = 48;
-    protected readonly InputGeomProvider geom;
+    protected readonly IInputGeomProvider geom;
     private readonly int tw;
     private readonly int th;
 
-    public TestTileLayerBuilder(InputGeomProvider geom)
+    public TestTileLayerBuilder(IInputGeomProvider geom)
     {
         this.geom = geom;
         rcConfig = new RecastConfig(true, m_tileSize, m_tileSize, RecastConfig.CalcBorder(m_agentRadius, m_cellSize),

test/DotRecast.Detour.TileCache.Test/TileCacheFindPathTest.cs

@@ -47,7 +47,7 @@ public class TileCacheFindPathTest : AbstractTileCacheTest
     [Test]
     public void TestFindPath()
     {
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         Vector3f extents = Vector3f.Of(2f, 4f, 2f);
         Result<FindNearestPolyResult> findPolyStart = query.FindNearestPoly(start, extents, filter);
         Result<FindNearestPolyResult> findPolyEnd = query.FindNearestPoly(end, extents, filter);

test/DotRecast.Detour.TileCache.Test/TileCacheNavigationTest.cs

@@ -56,7 +56,7 @@ public class TileCacheNavigationTest : AbstractTileCacheTest
     public void SetUp()
     {
         bool cCompatibility = true;
-        InputGeomProvider geom = ObjImporter.Load(Loader.ToBytes("dungeon.obj"));
+        IInputGeomProvider geom = ObjImporter.Load(Loader.ToBytes("dungeon.obj"));
         TestTileLayerBuilder layerBuilder = new TestTileLayerBuilder(geom);
         List<byte[]> layers = layerBuilder.Build(ByteOrder.LITTLE_ENDIAN, cCompatibility, 1);
         TileCache tc = GetTileCache(geom, ByteOrder.LITTLE_ENDIAN, cCompatibility);
@@ -83,7 +83,7 @@ public class TileCacheNavigationTest : AbstractTileCacheTest
     [Test]
     public void TestFindPathWithDefaultHeuristic()
     {
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         for (int i = 0; i < startRefs.Length; i++)
         {
             long startRef = startRefs[i];
@@ -103,7 +103,7 @@ public class TileCacheNavigationTest : AbstractTileCacheTest
     [Test]
     public void TestFindPathWithNoHeuristic()
     {
-        QueryFilter filter = new DefaultQueryFilter();
+        IQueryFilter filter = new DefaultQueryFilter();
         for (int i = 0; i < startRefs.Length; i++)
         {
             long startRef = startRefs[i];

test/DotRecast.Detour.TileCache.Test/TileCacheTest.cs

@@ -59,7 +59,7 @@ public class TileCacheTest : AbstractTileCacheTest
 
     private void TestDungeon(ByteOrder order, bool cCompatibility)
     {
-        InputGeomProvider geom = ObjImporter.Load(Loader.ToBytes("dungeon.obj"));
+        IInputGeomProvider geom = ObjImporter.Load(Loader.ToBytes("dungeon.obj"));
         TileCache tc = GetTileCache(geom, order, cCompatibility);
         TestTileLayerBuilder layerBuilder = new TestTileLayerBuilder(geom);
         List<byte[]> layers = layerBuilder.Build(order, cCompatibility, 1);
@@ -155,7 +155,7 @@ public class TileCacheTest : AbstractTileCacheTest
 
     private void Test(ByteOrder order, bool cCompatibility)
     {
-        InputGeomProvider geom = ObjImporter.Load(Loader.ToBytes("nav_test.obj"));
+        IInputGeomProvider geom = ObjImporter.Load(Loader.ToBytes("nav_test.obj"));
         TileCache tc = GetTileCache(geom, order, cCompatibility);
         TestTileLayerBuilder layerBuilder = new TestTileLayerBuilder(geom);
         List<byte[]> layers = layerBuilder.Build(order, cCompatibility, 1);
@@ -181,7 +181,7 @@ public class TileCacheTest : AbstractTileCacheTest
         int threads = 4;
         ByteOrder order = ByteOrder.LITTLE_ENDIAN;
         bool cCompatibility = false;
-        InputGeomProvider geom = ObjImporter.Load(Loader.ToBytes("dungeon.obj"));
+        IInputGeomProvider geom = ObjImporter.Load(Loader.ToBytes("dungeon.obj"));
         TestTileLayerBuilder layerBuilder = new TestTileLayerBuilder(geom);
         for (int i = 0; i < 4; i++)
         {

test/DotRecast.Recast.Test/RecastLayersTest.cs

@@ -145,7 +145,7 @@ public class RecastLayersTest
 
     private HeightfieldLayerSet Build(string filename, int x, int y)
     {
-        InputGeomProvider geom = ObjImporter.Load(Loader.ToBytes(filename));
+        IInputGeomProvider geom = ObjImporter.Load(Loader.ToBytes(filename));
         RecastBuilder builder = new RecastBuilder();
         RecastConfig cfg = new RecastConfig(true, m_tileSize, m_tileSize, RecastConfig.CalcBorder(m_agentRadius, m_cellSize),
             m_partitionType, m_cellSize, m_cellHeight, m_agentMaxSlope, true, true, true, m_agentHeight, m_agentRadius,

test/DotRecast.Recast.Test/RecastSoloMeshTest.cs

@@ -96,7 +96,7 @@ public class RecastSoloMeshTest
         int expContours, int expVerts, int expPolys, int expDetMeshes, int expDetVerts, int expDetTris)
     {
         m_partitionType = partitionType;
-        InputGeomProvider geomProvider = ObjImporter.Load(Loader.ToBytes(filename));
+        IInputGeomProvider geomProvider = ObjImporter.Load(Loader.ToBytes(filename));
         long time = FrequencyWatch.Ticks;
         Vector3f bmin = geomProvider.GetMeshBoundsMin();
         Vector3f bmax = geomProvider.GetMeshBoundsMax();

test/DotRecast.Recast.Test/RecastTileMeshTest.cs

@@ -60,7 +60,7 @@ public class RecastTileMeshTest
 
     public void TestBuild(string filename)
     {
-        InputGeomProvider geom = ObjImporter.Load(Loader.ToBytes(filename));
+        IInputGeomProvider geom = ObjImporter.Load(Loader.ToBytes(filename));
         RecastBuilder builder = new RecastBuilder();
         RecastConfig cfg = new RecastConfig(true, m_tileSize, m_tileSize, RecastConfig.CalcBorder(m_agentRadius, m_cellSize),
             m_partitionType, m_cellSize, m_cellHeight, m_agentMaxSlope, true, true, true, m_agentHeight, m_agentRadius,
@@ -95,7 +95,7 @@ public class RecastTileMeshTest
     [Test]
     public void TestPerformance()
     {
-        InputGeomProvider geom = ObjImporter.Load(Loader.ToBytes("dungeon.obj"));
+        IInputGeomProvider geom = ObjImporter.Load(Loader.ToBytes("dungeon.obj"));
         RecastBuilder builder = new RecastBuilder();
         RecastConfig cfg = new RecastConfig(true, m_tileSize, m_tileSize, RecastConfig.CalcBorder(m_agentRadius, m_cellSize),
             m_partitionType, m_cellSize, m_cellHeight, m_agentMaxSlope, true, true, true, m_agentHeight, m_agentRadius,
@@ -124,7 +124,7 @@ public class RecastTileMeshTest
         Console.WriteLine(" Time MT : " + (t3 - t2) / TimeSpan.TicksPerMillisecond);
     }
 
-    private void Build(InputGeomProvider geom, RecastBuilder builder, RecastConfig cfg, int threads, bool validate)
+    private void Build(IInputGeomProvider geom, RecastBuilder builder, RecastConfig cfg, int threads, bool validate)
     {
         CancellationTokenSource cts = new CancellationTokenSource();
         List<RecastBuilderResult> tiles = new();