Optimize code

Signed-off-by: Chris Cromer <chris@cromer.cl>

src/main/java/cl/cromer/azaraka/Celda.java

@@ -94,15 +94,6 @@ public class Celda extends JComponent implements Constantes {
 		this.object = object;
 	}
 
-	/**
-	 * Get the top object
-	 *
-	 * @return Returns the top object
-	 */
-	public Object getObjectOnTop() {
-		return objectOnTop;
-	}
-
 	/**
 	 * Set a top object
 	 *

src/main/java/cl/cromer/azaraka/object/Gem.java

@@ -24,10 +24,6 @@ import cl.cromer.azaraka.sprite.AnimationException;
  * This class contains the gem
  */
 public class Gem extends Object {
-	/**
-	 * The type of gem
-	 */
-	private Type type = null;
 	/**
 	 * The current state of the gem
 	 */
@@ -92,7 +88,6 @@ public class Gem extends Object {
 	 * @param type The type of gem
 	 */
 	public void setType(Type type) {
-		this.type = type;
 		loadGemAnimation(type);
 	}
 

src/main/java/cl/cromer/azaraka/object/Object.java

@@ -126,7 +126,7 @@ public class Object implements Runnable, Constantes {
 	 *
 	 * @param x The amount of pixels to scale
 	 */
-	public void setXScale(int x) {
+	protected void setXScale(@SuppressWarnings("SameParameterValue") int x) {
 		this.xScale = x;
 	}
 
@@ -135,7 +135,7 @@ public class Object implements Runnable, Constantes {
 	 *
 	 * @param y The amount of pixels to scale
 	 */
-	public void setYScale(int y) {
+	protected void setYScale(@SuppressWarnings("SameParameterValue") int y) {
 		this.yScale = y;
 	}
 

src/main/java/cl/cromer/azaraka/object/Portal.java

@@ -109,15 +109,6 @@ public class Portal extends Object implements Constantes {
 		}
 	}
 
-	/**
-	 * Get the current status of the portal
-	 *
-	 * @return Returns the status
-	 */
-	public State getState() {
-		return state;
-	}
-
 	/**
 	 * Sets a new status for the portal
 	 *