Slight effeciency improvemnts to borders.cs.

Added changes to TagManager to include "Tiles Parent" addition.

Assets/Scripts/Util/Borders.cs

@@ -3,7 +3,7 @@ using UnityEditor;
 
 public class Borders : MonoBehaviour
 {
-	public int top = 2, right = 2, bottom = 2, left = 2;	// Border sizes by pixel
+	public int top = 0, right = 0, bottom = 0, left = 0;	// Border sizes by pixel
 
 	private enum Direction{none, t, r, rt, b, bt, br, brt, l, lt, lr, lrt, lb, lbt, lbr, lbrt}
 	// Binary representation:
@@ -38,19 +38,19 @@ public class Borders : MonoBehaviour
 			World.setup();
 		}
 
-		if(!World.posIsThis(pos + Vector3.up, (GameObject)PrefabUtility.GetPrefabParent(gameObject)))
+		if(top > 0 && !World.posIsThis(pos + Vector3.up, (GameObject)PrefabUtility.GetPrefabParent(gameObject)))
 		{
 			d |= Direction.t;
 		}
-		if(!World.posIsThis(pos + Vector3.left, (GameObject)PrefabUtility.GetPrefabParent(gameObject)))
+		if(right > 0 && !World.posIsThis(pos + Vector3.left, (GameObject)PrefabUtility.GetPrefabParent(gameObject)))
 		{
 			d |= Direction.r;
 		}
-		if(!World.posIsThis(pos + Vector3.down, (GameObject)PrefabUtility.GetPrefabParent(gameObject)))
+		if(bottom > 0 && !World.posIsThis(pos + Vector3.down, (GameObject)PrefabUtility.GetPrefabParent(gameObject)))
 		{
 			d |= Direction.b;
 		}
-		if(!World.posIsThis(pos + Vector3.right, (GameObject)PrefabUtility.GetPrefabParent(gameObject)))
+		if(left > 0 && !World.posIsThis(pos + Vector3.right, (GameObject)PrefabUtility.GetPrefabParent(gameObject)))
 		{
 			d |= Direction.l;
 		}
@@ -61,6 +61,7 @@ public class Borders : MonoBehaviour
 	{
 		if((d & Direction.t) > 0)	// top
 		{
+			Debug.Log("set top");
 			for(int i = left; i < width - right; i++)
 			{
 				for(int j = height - top*2; j < height - top; j++)