Changed Entity to 3d axis and added a fpstimer that calculates the fps

src/ei/engine/math/Vector3f.java

@@ -78,6 +78,15 @@ public class Vector3f {
 		z += i.getZ();
 	}
 	
+	/**
+	 * Add to the vector
+	 * @param i The amount to add
+	 */
+	public void add(Vector2f i){
+		x += i.getX();
+		y += i.getY();
+	}
+	
 	/**
 	 * Add to the vector
 	 * @param x The value to add to the x value