Hausaufgabe 5 Anfang

.gitignore

@@ -1,6 +1,7 @@
 *.DS_Store
 *.metadata/
 *.class
+*.prefs
 /GameProject/doc/
 /GameProject/log/
 /GameProject/highscore.txt

GameProject/src/base/GameLoop.java

@@ -8,6 +8,7 @@ import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import gameobjects.GameObject;
 import playground.Level1;
+import playground.LevelMovingObjects;
 import playground.LevelWithBox;
 import playground.Playground;
 import ui.GameUI;
@@ -56,7 +57,7 @@ public class GameLoop {
    */
   void defineLevels() {  
     this.resetLevels();
-    this.addLevel(new LevelWithBox());
+    this.addLevel(new LevelMovingObjects());
   }
   
   /**
@@ -218,8 +219,8 @@ public class GameLoop {
 
 
   /**
-   * main to start the whole application.
-   * initializes the {@link #levels} ArrayList of Playground instances (levels) to be played with one level {@link SpaceInvadersLevel} in constructor of {@link #GameLoop}.
+   * main to start the whole application. It calls. {@link #runGame(String[])}.
+   * (levels are automatically added/loaded by constructor of {@link #GameLoop}).
    * 
    * @param args Java default command line args, forwarded to {@link #runGame(String[])}
    * @throws IOException in case highscore.txt cannot be written.

GameProject/src/base/MovingObjectsGame.java

@@ -0,0 +1,33 @@
+package base;
+
+import java.io.IOException;
+import playground.LevelMovingObjects;
+
+/**
+ * main class to start a game with only one level {@link playground.LevelMovingObjects}.
+ *
+ */
+public class MovingObjectsGame extends GameLoop {
+
+  /**
+   * starts this game.
+   * 
+   * @param args command line parameters (forwarded to {@link GameLoop#runGame(String[])}).
+   * @throws IOException if highscore.txt file cannot be written or accessed, the exception is
+   *         thrown (and game ends).
+   */
+  public static void main(String[] args) throws IOException {
+    GameLoop myGame = new MovingObjectsGame();
+    myGame.runGame(args);
+  }
+
+  /**
+   * adds only one level to play ({@link playground.LevelMovingObjects}).
+   */
+  @Override
+  public void defineLevels() {
+    this.resetLevels();
+    this.addLevel(new LevelMovingObjects());
+  }
+
+}

GameProject/src/base/MultiLevelGame.java

@@ -3,13 +3,14 @@ package base;
 import java.io.IOException;
 
 import playground.Level5;
+import playground.LevelMovingObjects;
 import playground.LevelWithBox;
 
 public class MultiLevelGame extends GameLoop {
 
 	
 	void defineLevels() { 
-	    this.addLevel(new LevelWithBox());
+	   this.addLevel(new LevelMovingObjects());
 	  }
 	
 	

GameProject/src/controller/CollisionAwareEgoController.java

@@ -37,6 +37,9 @@ public class CollisionAwareEgoController extends EgoController {
     this.shot = soundOnShot;
   }
 
+  /**
+   * Copies current values of x,y position and speed vx,vy into attributes. These can be restored by call to {@link #restoreDynamicState()}.
+   */
   public void saveDynamicState() {
     this.savex = this.getX();
     this.savey = this.getY();
@@ -45,6 +48,10 @@ public class CollisionAwareEgoController extends EgoController {
   }
 
 
+  /**
+   * Restores formally saved values of x,y position and speed vx,vy from attributes back to the ego object. 
+   * These values should have been stored before by a call to {@link #saveDynamicState()}, otherwise all values will be 0.00.
+   */
   public void restoreDynamicState() {
     this.setX(savex);
     this.setY(savey);
@@ -53,6 +60,10 @@ public class CollisionAwareEgoController extends EgoController {
   }
 
 
+  /**
+   * extends parent class implementation by a check whether or not the ego object collides with any other "obstacle" object.
+   * If yes, the position stays fixed (by using {@link #saveDynamicState()} and {@link #restoreDynamicState()}.
+   */
   public boolean stopObject() {
     boolean s = super.stopObject();
 
@@ -73,6 +84,9 @@ public class CollisionAwareEgoController extends EgoController {
     return s;
   }
 
+  /**
+   * calls superclass {@link EgoController#onSpace(KeyEvent, GameObject)} only, if the time elapsed since last pressing of space is above 0.1 ms.
+   */
   public void onSpace(KeyEvent e, GameObject ego) {
     double cgt = ego.getGameTime();
     if ((cgt - this.lastSpaceAt) > 0.1) {

GameProject/src/controller/EgoController.java

@@ -42,26 +42,51 @@ public class EgoController extends ObjectController {
   }
 
 
+  /**
+   * moves ego up by {@link SpaceInvadersLevel#EGOSPEED}.
+   * @param kc  KeyEvent to process (ignored)
+   * @param ego the ego object
+   */
   public void onUp(KeyEvent kc, GameObject ego) {
     ego.setVX(0.0);
     ego.setVY(-SpaceInvadersLevel.EGOSPEED);
   }
 
+  /**
+   * moves ego down by {@link SpaceInvadersLevel#EGOSPEED}.
+   * @param kc  KeyEvent to process (ignored)
+   * @param ego the ego object
+   */
   public void onDown(KeyEvent kc, GameObject ego) {
     ego.setVX(0.0);
     ego.setVY(SpaceInvadersLevel.EGOSPEED);
   }
 
+  /**
+   * moves ego left by {@link SpaceInvadersLevel#EGOSPEED}.
+   * @param kc  KeyEvent to process (ignored)
+   * @param ego the ego object
+   */
   public void onLeft(KeyEvent kc, GameObject ego) {
     ego.setVY(0.0);
     ego.setVX(-SpaceInvadersLevel.EGOSPEED);
   }
 
+  /**
+   * moves ego right by {@link SpaceInvadersLevel#EGOSPEED}.
+   * @param kc  KeyEvent to process (ignored)
+   * @param ego the ego object
+   */
   public void onRight(KeyEvent kc, GameObject ego) {
     ego.setVY(0.0);
     ego.setVX(SpaceInvadersLevel.EGOSPEED);
   }
 
+  /** 
+   * sets speed to 0.0
+   * @param kc  KeyEvent to process (ignored)
+   * @param ego the ego object
+   */
   public void onStop(KeyEvent kc, GameObject ego) {
     ego.setVY(0.0);
     ego.setVX(0.0);
@@ -72,7 +97,7 @@ public class EgoController extends ObjectController {
 
   /** checks the position and respects level boundaries and own radius or width/height set on constructor. 
    * 
-   * @return true if the object reached the boundaries of the level, false otherwise
+   * @return true if the object reached the boundaries of the level, false otherwise.
    */
   public boolean stopObject() {
     // check whether ego object is at level boundaries
@@ -93,7 +118,7 @@ public class EgoController extends ObjectController {
   }
 
 
-  /** behavior for shooting on key space
+  /** behavior for shooting on key space. Creates a new shot using {#link SimpleShotController} with a {@link RectObject}.
    * 
    * @param e KeyEvent of the space key
    * @param ego EgoObject instance (used to determine position of shot object's start)
@@ -119,7 +144,7 @@ public class EgoController extends ObjectController {
 
 
   /**
-   * updates position based on key events (mouse currently ignored)
+   * updates position based on key events (mouse currently ignored).
    */
   public void updateObject() {
 
@@ -140,23 +165,14 @@ public class EgoController extends ObjectController {
         released = false;
       }
 
-      /**
-       * Generelle Idee: Wenn eine Taste gedrückt wird wird sie gespeichert. wenn die zuvor
-       * gespeicherte Taste wieder losgelassen wird stoppt das Ego-Objekt. Falls vor dem Loslassen
-       * eine andere Taste gedrückt wird, wird diese gespeichert und die alte vergessen. Dh das
-       * loslassen der alten Taste stoppt das Objekt nicht. Spezialfall: space, das loslassen von
-       * space stoppt das Objekt nicht!
-       */
 
       if (pressed == true) {
         lastPressedKey = pressedKey;
         pressedKey = kc;
       }
 
-      /**
-       * Nur eine losgelassene Taste die auch vorher gedrückt wurde stoppt das Objekt. Eine
-       * losgelassene Taste die nicht vorher gedrückt wurde bzw vergessen wurde stoppt das Objekt
-       * nicht
+      /*
+       * Only if the released key is the same as the before pressed one, it stops the ego object movement.       
        */
       if (released == true) {
         if (pressedKey != null) {
@@ -194,7 +210,7 @@ public class EgoController extends ObjectController {
 
       // shot
       if (kc == KeyEvent.VK_SPACE) {
-        // space is not registered! Releasing space does not stop the egoobject
+        // space is not registered! Releasing space does not stop the ego object
         this.onSpace(e, ego);
       }
     }

GameProject/src/playground/Level2.java

@@ -3,7 +3,7 @@ package playground;
 
 
 /**
- * extends extends {@link SpaceInvadersLevel} with a different startup message.
+ * extends {@link SpaceInvadersLevel} with a different startup message.
  */
 public class Level2 extends SpaceInvadersLevel {
 

GameProject/src/playground/Level4.java

@@ -10,14 +10,14 @@ import org.apache.logging.log4j.Logger;
 
 
 /**
- * extends extends {@link SpaceInvadersLevel}
+ * extends {@link SpaceInvadersLevel} with aliens that need two hits to be destroyed.
  * <ul>
  * <li>Hit aliens twice to kill them
  * <li>they say AUA when not destroyed
  * </ul>
  */
 public class Level4 extends SpaceInvadersLevel {
-
+  
   /** constant defining the number of shots needed to destroy an enemy */
   public static final int MAX_HITS = 2;
 

GameProject/src/playground/LevelMovingObjects.java

@@ -0,0 +1,28 @@
+package playground;
+
+import java.awt.Color;
+
+import gameobjects.RectObject;
+
+/** This level adds two distracting objects to the canvas that cannot collide but bounce around all the time.
+ */
+public class LevelMovingObjects extends SpaceInvadersLevel {
+
+   public void prepareLevel(String id) {
+	   super.prepareLevel(id);
+	   LevelMovingObjects ml = this;
+	   RectObject object2 = new RectObject(id +"Bluebox",ml,300,300,170,70,30,30,Color.BLUE);
+	   this.addObject(object2);
+   }
+  
+
+  /** "Moving Objects Level!" is the message.
+   * 
+   * @return String "Moving Objects Level!"
+   */
+  @Override
+  protected String getStartupMessage() {
+    return "Moving Objects Level!";
+  }
+}
+

GameProject/src/playground/LevelWithBox.java

@@ -25,7 +25,8 @@ public class LevelWithBox extends SpaceInvadersLevel {
 	public void prepareLevel(String id) { 
 
 		super.prepareLevel(id);
-		RectObject Object = new RectObject(id,null,350,100,0,0,700,250,Color.RED);
+		LevelWithBox myLevel = this;
+		RectObject Object = new RectObject(id,myLevel,350,100,0,0,700,250,Color.RED);
 		this.addObject(Object);		
 	}