From 26b955fee837354f9dded81a3349ce996700bb82 Mon Sep 17 00:00:00 2001
From: Andrew Ardill <andrew.ardill@gmail.com>
Date: Wed, 10 Jul 2013 13:39:46 +1000
Subject: [PATCH] world.js: Increase functionality of getDistance

Allow passing 'from' and 'to' positions to getDistance to find the distance
between them.
---
 script/world.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/script/world.js b/script/world.js
index 5dbde21..7534d80 100644
--- a/script/world.js
+++ b/script/world.js
@@ -419,8 +419,10 @@ var World = {
 		}
 	},
 	
-	getDistance: function() {
-		return Math.abs(World.curPos[0] - World.RADIUS) + Math.abs(World.curPos[1] - World.RADIUS);
+	getDistance: function(from, to) {
+		from = from || World.curPos;
+		to = to || World.VILLAGE_POS;
+		return Math.abs(from[0] - to[0]) + Math.abs(from[1] - to[1]);
 	},
 	
 	getTerrain: function() {