Use mesh collision proxy if available.

Source/Engine/Graphics/Mesh.cs

@@ -633,5 +633,14 @@ namespace FlaxEngine
                 throw new Exception("Failed to download mesh data.");
             return result;
         }
+
+        /// <summary>
+        /// Gets the collision proxy points for the mesh.
+        /// </summary>
+        /// <returns>The triangle points in the collision proxy.</returns>
+        public Float3[] GetCollisionProxyPoints()
+        {
+            return Internal_GetCollisionProxyPoints(__unmanagedPtr, out _);
+        }
     }
 }

Source/Engine/Graphics/Models/Mesh.cpp

@@ -847,4 +847,17 @@ MArray* Mesh::DownloadBuffer(bool forceGpu, MTypeObject* resultType, int32 typeI
     return result;
 }
 
+Array<Float3> Mesh::GetCollisionProxyPoints() const
+{
+    Array<Vector3> result;
+    for (int i = 0; i < _collisionProxy.Triangles.Count(); ++i)
+    {
+        auto triangle = _collisionProxy.Triangles[i];
+        result.Add(triangle.V0);
+        result.Add(triangle.V1);
+        result.Add(triangle.V2);
+    }
+    return result;
+}
+
 #endif

Source/Engine/Graphics/Models/Mesh.h

@@ -320,5 +320,6 @@ private:
     API_FUNCTION(NoProxy) bool UpdateTrianglesUInt(int32 triangleCount, const MArray* trianglesObj);
     API_FUNCTION(NoProxy) bool UpdateTrianglesUShort(int32 triangleCount, const MArray* trianglesObj);
     API_FUNCTION(NoProxy) MArray* DownloadBuffer(bool forceGpu, MTypeObject* resultType, int32 typeI);
+    API_FUNCTION(NoProxy) Array<Float3> GetCollisionProxyPoints() const;
 #endif
 };