diff -r 490bd70dac6e -r 4744d7b78c75 hedgewars/uConsts.pas
--- a/hedgewars/uConsts.pas	Sat Jun 15 18:51:04 2019 +0200
+++ b/hedgewars/uConsts.pas	Sat Jun 15 19:44:52 2019 +0200
@@ -187,6 +187,9 @@
 
     cMaxEdgePoints = 32768;
 
+    cBorderWidth = 6; // width of indestructible border
+                      // width of 3 allowed hogs to be knocked through with grenade
+
     cHHRadius = 9; // hedgehog radius
     cHHStepTicks = 29;