Comment interfaces, expand the hittable interface.

src/de/teamteamteam/spacescooter/entity/Collidable.java

@@ -2,7 +2,18 @@ package de.teamteamteam.spacescooter.entity;
 
 import java.awt.Rectangle;
 
+/**
+ * Interface providing everything needed for collision handling.
+ */
 public interface Collidable {
+	
+	/**
+	 * Provide information about the position and dimensions of the Entity.
+	 */
 	public Rectangle getCollisionBox();
+	
+	/**
+	 * Notify the Collidable that a collision happened.
+	 */
 	public void collideWith(Collidable entity);
 }

src/de/teamteamteam/spacescooter/entity/Hittable.java

@@ -1,9 +1,40 @@
 package de.teamteamteam.spacescooter.entity;
 
+/**
+ * Interface providing everything needed to handle taking damage.
+ */
 public interface Hittable {
 
+	/**
+	 * Notify the Hittable that it took damage.
+	 */
+	public void takeDamage(int damage);
+	
+	/**
+	 * Tell whether the Hittable is still alive.
+	 */
+	public boolean isAlive();
+	
+	/**
+	 * Get the Hittables current health points.
+	 */
 	public int getHealthPoints();
 	
+	/**
+	 * Set the Hittables current health points.
+	 */
+	public int setHealthPoints();
+
+	/**
+	 * Get the Hittables current shield points.
+	 */
 	public int getShieldPoints();
 	
+	/**
+	 * Set the Hittables current shield points.
+	 */
+	public int setShieldPoints();
+	
+
+	
 }

src/de/teamteamteam/spacescooter/entity/Paintable.java

@@ -2,8 +2,14 @@ package de.teamteamteam.spacescooter.entity;
 
 import java.awt.Graphics2D;
 
+/**
+ * Interface providing the paint method.
+ */
 public interface Paintable {
 
+	/**
+	 * All Paintable Entities need to implement this to paint themselves.
+	 */
 	public void paint(Graphics2D g);
 
 }

src/de/teamteamteam/spacescooter/entity/Updateable.java

@@ -1,7 +1,13 @@
 package de.teamteamteam.spacescooter.entity;
 
+/**
+ * Interface providing the update method.
+ */
 public interface Updateable {
 
+	/**
+	 * All entities are Updateable through this method.
+	 */
 	public void update();
 
 }