moved some classes for simplification

src/de/miaurizius/jgame2d/core/enums/Direction.java

@@ -0,0 +1,19 @@
+package de.miaurizius.jgame2d.core.enums;
+
+public enum Direction {
+
+    UP("up"),
+    DOWN("down"),
+    LEFT("left"),
+    RIGHT("right");
+
+    private final String name;
+
+    Direction(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+}

src/de/miaurizius/jgame2d/core/enums/GameState.java

@@ -0,0 +1,8 @@
+package de.miaurizius.jgame2d.core.enums;
+
+public enum GameState {
+
+    PLAY,
+    PAUSE;
+
+}