added option to disable diagonal movement

1 files changed, 3 insertions, 1 deletions

diff --git a/README.md b/README.md
index 3bee2eb..1912d8d 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ Easy to use, it will make you more attractive and you feel sensual doing so.
         return mymap[x][y] == walkable
     end
 
-    local path = luastar:find(width, height, start, goal, positionIsOpenFunc, useCache)
+    local path = luastar:find(width, height, start, goal, positionIsOpenFunc, useCache, excludeDiagonalMoving)
 
 `path` will be false if no path was found, otherwise it contains a list of points that travel from `start` to `goal`:
 
@@ -42,6 +42,8 @@ If at any time you need to clear all cached paths:
 
     luastar:clearCached()
 
+`excludeDiagonalMoving` also optional value  defaults to `false`. If you want to exclude the possibility of moving diagonally set the value `true`. i.e, by default, diagonal movement is **enabled**
+
 # Requirements
 
 * [Lua 5.x](http://www.lua.org/)