Updated 'StartNode' class.

Updated the 'StartNode' class by reverting all enumerations to its origin types in it.

Projekte/mdga/model/src/main/java/pp/mdga/game/StartNode.java

@@ -10,7 +10,7 @@ public class StartNode extends Node {
     /**
      * The color of the node.
      */
-    private int color;
+    private Color color;
 
     /**
      * Creates a new start node with the given color.
@@ -18,11 +18,11 @@ public class StartNode extends Node {
      * @param color the color of the node
      */
     public StartNode(Color color) {
-        this.color = color.ordinal();
+        this.color = color;
     }
 
     private StartNode() {
-        color = Color.NONE.ordinal();
+        color = Color.NONE;
     }
 
     /**
@@ -31,7 +31,7 @@ private StartNode() {
      * @return the color of the node
      */
     public Color getColor() {
-        return Color.values()[color];
+        return color;
     }
 
     /**
@@ -40,6 +40,6 @@ public Color getColor() {
      * @param color the new color of the node
      */
     public void setColor(Color color) {
-        this.color = color.ordinal();
+        this.color = color;
     }
 }