refactor: added test RcVec3f.CopyTo

src/DotRecast.Core/Numerics/RcVec3f.cs

@@ -456,11 +456,17 @@ namespace DotRecast.Core.Numerics
         }
         
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static void Copy(float[] @out, int n, RcVec3f @in)
+        public readonly void CopyTo(float[] array)
         {
-            @out[n + 0] = @in.X;
+            CopyTo(array, 0);
-            @out[n + 1] = @in.Y;
+        }
-            @out[n + 2] = @in.Z;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public readonly void CopyTo(float[] array, int n)
+        {
+            array[n + 0] = X;
+            array[n + 1] = Y;
+            array[n + 2] = Z;
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]

src/DotRecast.Recast/RcMeshDetails.cs

@@ -1088,7 +1088,7 @@ namespace DotRecast.Recast
                     // Mark sample as added.
                     samples[besti * 4 + 3] = 1;
                     // Add the new sample point.
-                    RcVec3f.Copy(verts, nverts * 3, bestpt);
+                    bestpt.CopyTo(verts, nverts * 3);
                     nverts++;
 
                     // Create new triangulation.

test/DotRecast.Core.Test/Vector3Tests.cs

@@ -91,5 +91,22 @@ public class Vector3Tests
         Assert.That(v3.X, Is.EqualTo(v33.X));
         Assert.That(v3.Y, Is.EqualTo(v33.Y));
         Assert.That(v3.Z, Is.EqualTo(v33.Z));
+        
     }
+
+    [Test]
+    [Repeat(100000)]
+    public void TestVectorCopyTo()
+    {
+        var v1 = new Vector3(Random.Shared.NextSingle(), Random.Shared.NextSingle(), Random.Shared.NextSingle());
+        var array1 = new float[3];
+        v1.CopyTo(array1);
+        
+        var v11 = new RcVec3f(v1.X, v1.Y, v1.Z);
+        var array11 = new float[3];
+        v11.CopyTo(array11);
+        
+        Assert.That(array1, Is.EqualTo(array11));
+    }
+
 }