Reverted changes to code finding ideal triangle setup

terrain/Terrain.cs

@@ -62,12 +62,19 @@ public partial class Terrain
 
 					SetTexture(tile.TexturePrimary, tile.TextureSecondary, tile.TextureBlend);
 
+					var sorted = new (Corner Corner, float Height)[] {
+						(Corner.TopLeft    , tile.Height.TopLeft    ),
+						(Corner.TopRight   , tile.Height.TopRight   ),
+						(Corner.BottomRight, tile.Height.BottomRight),
+						(Corner.BottomLeft , tile.Height.BottomLeft ),
+					};
+					Array.Sort(sorted, (a, b) => a.Height.CompareTo(b.Height));
+
 					// Find the "ideal way" to split the quad for the tile into two triangles.
 					// This is done by finding the corner with the least variance between its neighboring corners.
-					var sorted  = tile.Height.ToArray(); Array.Sort(sorted);
+					var minDiff = Abs(sorted[0].Height - sorted[2].Height); // Difference between lowest and 3rd lowest point.
-					var minDiff = Abs(sorted[0] - sorted[2]); // Difference between lowest and 3rd lowest point.
+					var maxDiff = Abs(sorted[3].Height - sorted[1].Height); // Difference between highest and 3rd highest point.
-					var maxDiff = Abs(sorted[3] - sorted[1]); // Difference between highest and 3rd highest point.
+					var first   = sorted[(minDiff > maxDiff) ? 0 : 3].Corner;
-					var first   = (Corner)sorted[(minDiff > maxDiff) ? 0 : 3];
 
 					if (first is Corner.TopLeft or Corner.BottomRight) {
 						AddTriangle(corners.TopLeft    , new(0.0f, 0.0f),

terrain/Tile.cs

@@ -61,9 +61,6 @@ public struct Corners<T>(T topLeft, T topRight, T bottomRight, T bottomLeft)
 		} }
 	}
 
-	public readonly T[] ToArray()
-		=> [ TopLeft, TopRight, BottomRight, BottomLeft ];
-
 	public readonly bool Equals(Corners<T> other)
 		=> TopLeft    .Equals(other.TopLeft    )
 		&& TopRight   .Equals(other.TopRight   )