diff --git a/.gitignore b/.gitignore
index f42c311..68345f4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,6 @@
 *.class
-
+*.java~
 bin/*
-
 .ant_targets
 
 # Package Files #
diff --git a/src/Grid.java b/src/Grid.java
index ba28694..ca18d64 100644
--- a/src/Grid.java
+++ b/src/Grid.java
@@ -18,7 +18,7 @@ public class Grid {
         }
     }
 
-    private static int normalizeX(int x) {
+    private int normalizeX(int x) {
         while (x >= getWidth())
             x -= getWidth();
         while (x < 0)
@@ -26,7 +26,7 @@ public class Grid {
         return x;
     }
 
-    private static int normalizeY(int y) {
+    private int normalizeY(int y) {
         while (y >= getHeight())
             y -= getHeight();
         while (y < 0)