From 46223d60ca7652a5bfea0d3c6ff0b8631facad10 Mon Sep 17 00:00:00 2001
From: delvh <dev.lh@web.de>
Date: Wed, 11 Mar 2020 22:27:30 +0100
Subject: [PATCH] Updated missing Javadoc in whole repository
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* reformatted whole repository
* fixed bug enabling 180° turnaround
---
 .settings/org.eclipse.jdt.ui.prefs  |   3 +
 src/main/dev/lh/Food.java           |  38 +++-
 src/main/dev/lh/FoodFactory.java    | 242 +++++++++++++++++------
 src/main/dev/lh/Handler.java        |  19 +-
 src/main/dev/lh/Main.java           |  28 ++-
 src/main/dev/lh/Snake.java          | 186 ++++++++++-------
 src/main/dev/lh/Spawner.java        |  14 +-
 src/main/dev/lh/Updateable.java     |  28 ++-
 src/main/dev/lh/ui/Endscreen.java   | 297 +++++++++++++---------------
 src/main/dev/lh/ui/GameWindow.java  |  80 +++++---
 src/main/dev/lh/ui/StartScreen.java | 125 ++++++------
 11 files changed, 658 insertions(+), 402 deletions(-)
 create mode 100644 .settings/org.eclipse.jdt.ui.prefs

diff --git a/.settings/org.eclipse.jdt.ui.prefs b/.settings/org.eclipse.jdt.ui.prefs
new file mode 100644
index 0000000..a29b03f
--- /dev/null
+++ b/.settings/org.eclipse.jdt.ui.prefs
@@ -0,0 +1,3 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.ui.javadoc=true
+org.eclipse.jdt.ui.text.custom_code_templates=<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?><templates><template autoinsert\="false" context\="gettercomment_context" deleted\="false" description\="Comment for getter method" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.gettercomment" name\="gettercomment">/**\n * @return the ${bare_field_name}\n * @since Snake 1.0\n */</template><template autoinsert\="false" context\="settercomment_context" deleted\="false" description\="Comment for setter method" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.settercomment" name\="settercomment">/**\n * @param ${param} the ${bare_field_name} to set\n * @since Snake 1.0\n */</template><template autoinsert\="false" context\="constructorcomment_context" deleted\="false" description\="Comment for created constructors" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.constructorcomment" name\="constructorcomment">/**\n * ${tags}\n * @since Snake 1.0\n */</template><template autoinsert\="false" context\="filecomment_context" deleted\="false" description\="Comment for created Java files" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.filecomment" name\="filecomment"/><template autoinsert\="false" context\="typecomment_context" deleted\="false" description\="Comment for created types" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.typecomment" name\="typecomment">/**\n * Project\: &lt;strong&gt;${project_name}&lt;/strong&gt;&lt;br&gt;\n * File\: &lt;strong&gt;${file_name}&lt;/strong&gt;&lt;br&gt;\n * Created\: &lt;strong&gt;${date}&lt;/strong&gt;&lt;br&gt;\n * \n * @author ${user}\n * @since Snake 1.0\n */</template><template autoinsert\="false" context\="fieldcomment_context" deleted\="false" description\="Comment for fields" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.fieldcomment" name\="fieldcomment"/><template autoinsert\="false" context\="methodcomment_context" deleted\="false" description\="Comment for non-overriding methods" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.methodcomment" name\="methodcomment">/**\n * ${tags}\n * @since Snake 1.0\n */</template><template autoinsert\="false" context\="modulecomment_context" deleted\="false" description\="Comment for modules" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.modulecomment" name\="modulecomment">/**\n * @author ${user}\n *\n * ${tags}\n * @since Snake 1.1\n */</template><template autoinsert\="true" context\="overridecomment_context" deleted\="false" description\="Comment for overriding methods" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.overridecomment" name\="overridecomment"/><template autoinsert\="false" context\="delegatecomment_context" deleted\="false" description\="Comment for delegate methods" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.delegatecomment" name\="delegatecomment">/**\n * ${tags}\n * ${see_to_target}\n * @since Snake 1.0\n */</template><template autoinsert\="true" context\="newtype_context" deleted\="false" description\="Newly created files" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.newtype" name\="newtype">${filecomment}\n${package_declaration}\n\n${typecomment}\n${type_declaration}</template><template autoinsert\="true" context\="classbody_context" deleted\="false" description\="Code in new class type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.classbody" name\="classbody">\n</template><template autoinsert\="true" context\="interfacebody_context" deleted\="false" description\="Code in new interface type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.interfacebody" name\="interfacebody">\n</template><template autoinsert\="true" context\="enumbody_context" deleted\="false" description\="Code in new enum type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.enumbody" name\="enumbody">\n</template><template autoinsert\="true" context\="annotationbody_context" deleted\="false" description\="Code in new annotation type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.annotationbody" name\="annotationbody">\n</template><template autoinsert\="false" context\="catchblock_context" deleted\="false" description\="Code in new catch blocks" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.catchblock" name\="catchblock">${exception_var}.printStackTrace();</template><template autoinsert\="false" context\="methodbody_context" deleted\="false" description\="Code in created method stubs" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.methodbody" name\="methodbody">${body_statement}</template><template autoinsert\="false" context\="constructorbody_context" deleted\="false" description\="Code in created constructor stubs" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.constructorbody" name\="constructorbody">${body_statement}</template><template autoinsert\="true" context\="getterbody_context" deleted\="false" description\="Code in created getters" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.getterbody" name\="getterbody">return ${field};</template><template autoinsert\="true" context\="setterbody_context" deleted\="false" description\="Code in created setters" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.setterbody" name\="setterbody">${field} \= ${param};</template></templates>
diff --git a/src/main/dev/lh/Food.java b/src/main/dev/lh/Food.java
index d8da66a..3a2079e 100644
--- a/src/main/dev/lh/Food.java
+++ b/src/main/dev/lh/Food.java
@@ -4,18 +4,42 @@ import java.awt.Color;
 import java.awt.Graphics;
 import java.awt.Point;
 
+/**
+ * Project: <strong>Snake</strong><br>
+ * File: <strong>Food.java</strong><br>
+ * Created: <strong>11 Mar 2020</strong><br>
+ *
+ * @author Leon Hofmeister
+ * @since Snake 1.0
+ */
 public class Food {
 
 	private Point position;
-	
-	public Food(int x, int y) {
-		position = new Point(x,y);
-	}
-	
+
+	/**
+	 * Constructs a new food object.
+	 *
+	 * @param x the x coordinate of the new food
+	 * @param y the y coordinate of the new food
+	 * @since Snake 1.0
+	 */
+	public Food(int x, int y) { position = new Point(x, y); }
+
+	/**
+	 * Constructs a new food object.
+	 *
+	 * @param position the position of the food
+	 * @since Snake 1.1
+	 */
+	public Food(Point position) { this.position = position; }
+
+	/**
+	 * @param g the {@link Graphics} object used to draw the food
+	 * @since Snake 1.0
+	 */
 	public void render(Graphics g) {
 		g.setColor(Color.yellow);
 		g.fillRect(position.x, position.y, 16, 16);
 	}
-	
-	
+
 }
diff --git a/src/main/dev/lh/FoodFactory.java b/src/main/dev/lh/FoodFactory.java
index ca39968..486511a 100644
--- a/src/main/dev/lh/FoodFactory.java
+++ b/src/main/dev/lh/FoodFactory.java
@@ -6,108 +6,228 @@ import java.awt.Graphics;
 import java.awt.Point;
 import java.awt.Rectangle;
 
+import dev.lh.ui.GameWindow;
+
+/**
+ * Project: <strong>Snake</strong><br>
+ * File: <strong>FoodFactory.java</strong><br>
+ * Created: <strong>11 Mar 2020</strong><br>
+ *
+ * @author Leon Hofmeister
+ * @since Snake 1.0
+ */
 public class FoodFactory {
-	
-	public static enum Food{
-		white, yellow, orange, red, blue
+
+	/**
+	 * This enum contains all possible variations of foods. The higher the ordinal
+	 * of an element, the less it is worth.<br>
+	 * <br>
+	 * Project: <strong>Snake</strong><br>
+	 * File: <strong>FoodFactory.java</strong><br>
+	 * Created: <strong>11 Mar 2020</strong><br>
+	 *
+	 * @author Leon Hofmeister
+	 * @since Snake 1.0
+	 */
+	public static enum Food {
+		/**
+		 * Use if white food is wanted.
+		 */
+		white,
+
+		/**
+		 * Use if yellow food is wanted.
+		 */
+		yellow,
+
+		/**
+		 * Use if orange food is wanted.
+		 */
+		orange,
+
+		/**
+		 * Use if red food is wanted.
+		 */
+		red,
+
+		/**
+		 * Use if blue food is wanted.
+		 */
+		blue
 	}
 
 	private static FoodFactory foodFactory = new FoodFactory();
 
 	private long timeOfNextFood;
-	
-	
+
 	Point pFood = null;
 
-	
-	
 	private Food nextFood = Food.white;
 
-	public int rectangleSize = 6;
+	private int rectangleSize = 6;
 
 	private FoodFactory() {}
 
+	/**
+	 * @return the (singleton) instance of FoodFactory
+	 * @since Snake 1.0
+	 */
 	public static FoodFactory getInstance() { return foodFactory; }
-	
+
+	/**
+	 * @return a new {@link Food} object without its position
+	 * @since Snake 1.0
+	 */
 	public Food generateFood() {
-		int nextFoodIs = (int) Math.floor(Math.random()*5);
+		int nextFoodIs = (int) Math.floor(Math.random() * 5);
 		switch (nextFoodIs) {
-		
-		case 0:		nextFood =Food.white;	break;
-		case 1:     nextFood =Food.yellow;	break;
-		case 2:     nextFood =Food.orange;	break;
-		case 3:     nextFood =Food.red;		break;
-		case 4:     nextFood =Food.blue;	break;
-		default: nextFood=generateFood();
+
+			case 0:
+				nextFood = Food.white;
+				break;
+			case 1:
+				nextFood = Food.yellow;
+				break;
+			case 2:
+				nextFood = Food.orange;
+				break;
+			case 3:
+				nextFood = Food.red;
+				break;
+			case 4:
+				nextFood = Food.blue;
+				break;
+			default:
+				nextFood = generateFood();
 		}
-		rectangleSize= nextFood.ordinal()+2;
+		rectangleSize = nextFood.ordinal() + 2;
 		setTimeToNextFoodMillis();
 		return nextFood;
 	}
-	
-	public void setTimeToNextFoodMillis() {
-		timeOfNextFood=System.currentTimeMillis()+(int) Math.round(Math.random()  * 15000+1000);;
-	}
 
-	public Food getNextFood() {
-		return nextFood;
-	}
+	/**
+	 * Generates the amount of time that needs to pass before the next food object
+	 * will be constructed.
+	 *
+	 * @since Snake 1.0
+	 */
+	public void setTimeToNextFoodMillis() { timeOfNextFood = System.currentTimeMillis() + (int) Math.round(Math.random() * 15000 + 1000); }
 
-	public void setNext(Food nextFood) {
-		this.nextFood = nextFood;
-	}
+	/**
+	 * @return the type of the next food
+	 * @since Snake 1.0
+	 */
+	public Food getNextFood() { return nextFood; }
 
-	public long getTimeOfNextFood() {
-		return timeOfNextFood;
-	}
+	/**
+	 * @param nextFood the type the next food should have
+	 * @since Snake 1.0
+	 */
+	public void setNext(Food nextFood) { this.nextFood = nextFood; }
 
+	/**
+	 * @return the time at which a new food object will be automatically created
+	 * @since Snake 1.0
+	 */
+	public long getTimeOfNextFood() { return timeOfNextFood; }
+
+	/**
+	 * @param width  the width of the currently used {@link GameWindow}
+	 * @param height the height of the currently used {@link GameWindow}
+	 * @return the position of the new {@link Food} object
+	 * @since Snake 1.0
+	 */
 	public Point generateFoodLocation(int width, int height) {
-		pFood=new Point((int) Math.round(Math.random() * width), (int) Math.round(Math.random() * height));
-		if(pFood.x<50||pFood.x>width-50||pFood.y<50||pFood.y>height-50) {
-			pFood.x = (pFood.x<50)?50:(pFood.x>width-50)?width-50:pFood.x;
-			pFood.y = (pFood.y<50)?50:(pFood.y>height-50)?height-50:pFood.y;
+		pFood = new Point((int) Math.round(Math.random() * width), (int) Math.round(Math.random() * height));
+		if (pFood.x < 50 || pFood.x > width - 50 || pFood.y < 50 || pFood.y > height - 50) {
+			pFood.x	= (pFood.x < 50) ? 50 : (pFood.x > width - 50) ? width - 50 : pFood.x;
+			pFood.y	= (pFood.y < 50) ? 50 : (pFood.y > height - 50) ? height - 50 : pFood.y;
 		}
-		return pFood;		
-	}
-	
-	public int getRectangleSize() {
-		return rectangleSize;
-	}
-
-	public Point getFoodLocation() {
 		return pFood;
 	}
 
+	/**
+	 * @return the size of the corresponding food (length = width)
+	 * @since Snake 1.0
+	 */
+	public int getRectangleSize() { return rectangleSize; }
+
+	/**
+	 * @return the location of the currently displayed food
+	 * @since Snake 1.0
+	 */
+	public Point getFoodLocation() { return pFood; }
+
+	/**
+	 * Sets the color of the given {@link Graphics} object according to the type of
+	 * food.
+	 *
+	 * @param g the graphics object to paint
+	 * @since Snake 1.0
+	 */
 	public void colorOfFood(Graphics g) {
-		switch(nextFood) {
-		case white:	g.setColor(Color.white);	break;
-		case yellow:g.setColor(Color.yellow);	break;
-		case orange:g.setColor(Color.orange);	break;
-		case red:	g.setColor(Color.red);		break;
-		case blue:	g.setColor(Color.blue);		break;	
-		}//switch
+		switch (nextFood) {
+			case white:
+				g.setColor(Color.white);
+				break;
+			case yellow:
+				g.setColor(Color.yellow);
+				break;
+			case orange:
+				g.setColor(Color.orange);
+				break;
+			case red:
+				g.setColor(Color.red);
+				break;
+			case blue:
+				g.setColor(Color.blue);
+				break;
+		}// switch
 	}
 
+	/**
+	 * @param g the {@link Graphics} object used to paint the current food object
+	 * @since Snake 1.0
+	 */
 	public void paintFood(Graphics g) {
 		colorOfFood(g);
-		g.fillRect(pFood.x, pFood.y, 5*rectangleSize, 5*rectangleSize);
+		g.fillRect(pFood.x, pFood.y, 5 * rectangleSize, 5 * rectangleSize);
 	}
-	
+
+	/**
+	 * @param snakeHead the the head of a {@link Snake} object
+	 * @return true if the current food intersects with the snakehead
+	 * @since Snake 1.0
+	 */
 	public boolean checkCollision(Rectangle snakeHead) {
-		int s = rectangleSize*5;
-		Rectangle food = new Rectangle(pFood, new Dimension(s, s));
+		int			s		= rectangleSize * 5;
+		Rectangle	food	= new Rectangle(pFood, new Dimension(s, s));
 		return food.intersects(snakeHead);
 	}
 
+	/**
+	 * @return the length that will be added to the snake
+	 * @since Snake 1.0
+	 */
 	public int getAdditionalLength() {
 		int snakeAdditionalLength = 0;
-		switch(nextFood) {
-		case white:	snakeAdditionalLength =40;break;
-		case yellow:snakeAdditionalLength =15;break;
-		case orange:snakeAdditionalLength  =6;break;
-		case red:	snakeAdditionalLength  =2;break;
-		case blue:	snakeAdditionalLength  =1;break;	
-		}//switch
+		switch (nextFood) {
+			case white:
+				snakeAdditionalLength = 40;
+				break;
+			case yellow:
+				snakeAdditionalLength = 15;
+				break;
+			case orange:
+				snakeAdditionalLength = 6;
+				break;
+			case red:
+				snakeAdditionalLength = 2;
+				break;
+			case blue:
+				snakeAdditionalLength = 1;
+				break;
+		}// switch
 		return snakeAdditionalLength;
 	}
 
diff --git a/src/main/dev/lh/Handler.java b/src/main/dev/lh/Handler.java
index 1f02d2f..6aebf6b 100644
--- a/src/main/dev/lh/Handler.java
+++ b/src/main/dev/lh/Handler.java
@@ -3,10 +3,25 @@ package dev.lh;
 import java.util.ArrayList;
 import java.util.List;
 
+/**
+ * The handler handles incoming events in Snake.<br>
+ * <br>
+ * Project: <strong>Snake</strong><br>
+ * File: <strong>Handler.java</strong><br>
+ * Created: <strong>11 Mar 2020</strong><br>
+ *
+ * @author Leon Hofmeister
+ * @since Snake 1.0
+ */
 public class Handler {
-	
+
 	List<Updateable> targets;
-	
+
+	/**
+	 * Constructs a new {@link Handler}.
+	 *
+	 * @since Snake 1.0
+	 */
 	public Handler() {
 		targets = new ArrayList<>();
 		targets.add(new Snake(3));
diff --git a/src/main/dev/lh/Main.java b/src/main/dev/lh/Main.java
index 68c2f14..c446376 100644
--- a/src/main/dev/lh/Main.java
+++ b/src/main/dev/lh/Main.java
@@ -2,21 +2,41 @@ package dev.lh;
 
 import dev.lh.ui.GameWindow;
 
+/**
+ * Project: <strong>Snake</strong><br>
+ * File: <strong>Main.java</strong><br>
+ * Created: <strong>11 Mar 2020</strong><br>
+ *
+ * @author Leon Hofmeister
+ * @since Snake 1.0
+ */
 public class Main {
 
 	private static GameWindow game;
+
+	/**
+	 * @param args the program arguments
+	 * @since Snake 1.0
+	 */
 	public static void main(String[] args) {
-		//if wanted, the StartScreen can be added here
+		// if wanted, the StartScreen can be added here
 		startGame();
 	}
 
+	/**
+	 * Starts a new game of Snake.
+	 *
+	 * @since Snake 1.0
+	 */
 	public static void startGame() {
 		game = new GameWindow("Snake");
 		game.setVisible(true);
 	}
 
-	public static GameWindow getGame() {
-		return game;
-	}
+	/**
+	 * @return the currently used game
+	 * @since Snake 1.0
+	 */
+	public static GameWindow getGame() { return game; }
 
 }
diff --git a/src/main/dev/lh/Snake.java b/src/main/dev/lh/Snake.java
index dc56eda..2e0a2c1 100644
--- a/src/main/dev/lh/Snake.java
+++ b/src/main/dev/lh/Snake.java
@@ -9,86 +9,136 @@ import java.util.List;
 
 import dev.lh.ui.GameWindow;
 
+/**
+ * Project: <strong>Snake</strong><br>
+ * File: <strong>Snake.java</strong><br>
+ * Created: <strong>11 Mar 2020</strong><br>
+ *
+ * @author Leon Hofmeister
+ * @since Snake 1.0
+ */
 public class Snake implements Updateable {
 
-	public static enum Direction{
-		Left, Right, Up, Down;
+	/**
+	 * This enum contains all possible directions for the {@link Snake}.<br>
+	 * <br>
+	 * Project: <strong>Snake</strong><br>
+	 * File: <strong>Snake.java</strong><br>
+	 * Created: <strong>11 Mar 2020</strong><br>
+	 *
+	 * @author Leon Hofmeister
+	 * @since Snake 1.0
+	 */
+	public static enum Direction {
+		/**
+		 * Use if the snake should head left.
+		 */
+		Left,
+
+		/**
+		 * Use if the snake should head right.
+		 */
+		Right,
+
+		/**
+		 * Use if the snake should head up.
+		 */
+		Up,
+
+		/**
+		 * Use if the snake should head down.
+		 */
+		Down;
 	}
-	private Direction Richtung;
-	private int length;
-	private List<Point> tiles  = new ArrayList<>();
-	private static FoodFactory foodFactory = FoodFactory.getInstance();
-	private final int snakeSize = 10;
-	
+
+	private Direction			Richtung;
+	private int					length;
+	private List<Point>			tiles		= new ArrayList<>();
+	private static FoodFactory	foodFactory	= FoodFactory.getInstance();
+	private final int			snakeSize	= 10;
+
+	/**
+	 * Constructs a new Snake with the given length in tiles.
+	 *
+	 * @param length the length of the snake in tiles
+	 * @since Snake 1.0
+	 */
 	public Snake(int length) {
-		this.length = length;
-		Richtung = Direction.Left;
-		
-		for(int i = 0; i<length;i++) {
-			tiles.add(new Point(320-50*i, 240));
-		}
-		
-	}//End Constructor
+		this.length	= length;
+		Richtung	= Direction.Left;
+
+		for (int i = 0; i < length; i++)
+			tiles.add(new Point(320 - 50 * i, 240));
+
+	}// End Constructor
+
 	@Override
-	public void tick() {
+	public void nextFrame() {
 		int velX = 0, velY = 0;
-		switch(Richtung) {
-		
-		case Up:
-			velY=-snakeSize;
-			break;
-		case Down:
-			velY=snakeSize;
-			break;
-		case Left:
-			velX=-snakeSize;
-			break;
-		case Right:
-			velX=snakeSize;
-			break;			
-		}//switch
-	Point next = (Point) tiles.get(0).clone(), cur;
-	tiles.get(0).x+=velX;
-	tiles.get(0).y+=velY;
-		
-	
-	for(int i = 1;i<length;i++) {
-		cur = tiles.get(i);
-		tiles.set(i,(Point) next.clone());
-		next = cur;
-	}//for
-//	if(tiles.get(0).x<=0||tiles.get(0).x>=)
-	if(foodFactory.checkCollision(new Rectangle(tiles.get(0).x, tiles.get(0).y, snakeSize, snakeSize))){
-		addLength(foodFactory.getAdditionalLength());
-		GameWindow game = Main.getGame();
-		game.newFood();
-	}
-	
-	}//End tick
+		switch (Richtung) {
+
+			case Up:
+				velY = -snakeSize;
+				break;
+			case Down:
+				velY = snakeSize;
+				break;
+			case Left:
+				velX = -snakeSize;
+				break;
+			case Right:
+				velX = snakeSize;
+				break;
+		}// switch
+		Point next = (Point) tiles.get(0).clone(), cur;
+		tiles.get(0).x	+= velX;
+		tiles.get(0).y	+= velY;
+
+		for (int i = 1; i < length; i++) {
+			cur = tiles.get(i);
+			tiles.set(i, (Point) next.clone());
+			next = cur;
+		} // for
+			// if(tiles.get(0).x<=0||tiles.get(0).x>=)
+		if (foodFactory.checkCollision(new Rectangle(tiles.get(0).x, tiles.get(0).y, snakeSize, snakeSize))) {
+			addLength(foodFactory.getAdditionalLength());
+			GameWindow game = Main.getGame();
+			game.newFood();
+		}
+
+	}// End tick
+
 	@Override
 	public void render(Graphics g) {
 		g.setColor(Color.green);
-	
-		for (int i = 0; i<length;i++) {
+
+		for (int i = 0; i < length; i++)
 			g.fillRect(tiles.get(i).x, tiles.get(i).y, snakeSize, snakeSize);
-			
-		}
-		
-		
-	}//End render
 
-	public Direction getRichtung() {
-		return Richtung;
-	}
+	}// End render
 
-	public void setRichtung(Direction richtung) {
-		Richtung = richtung;
-	}
-	
+	/**
+	 * @return the current {@link Direction} of the snake
+	 * @since Snake 1.0
+	 */
+	public Direction getRichtung() { return Richtung; }
+
+	/**
+	 * @param richtung the new {@link Direction} of the snake
+	 * @since Snake 1.0
+	 */
+	public void setRichtung(Direction richtung) { Richtung = richtung; }
+
+	/**
+	 * Adds the given length to the current snake object
+	 *
+	 * @param additional the number of tiles to add
+	 * @since Snake 1.0
+	 */
 	public void addLength(int additional) {
-		for(int i=0;i<additional;i++) {
-			tiles.add(null);
-		}
-		length+=additional;
+		Point last = tiles.get(tiles.size() - 1);
+		for (int i = 0; i < additional; i++)
+			tiles.add(last);
+		length += additional;
 	}
 }
diff --git a/src/main/dev/lh/Spawner.java b/src/main/dev/lh/Spawner.java
index 809b4a0..d559b54 100644
--- a/src/main/dev/lh/Spawner.java
+++ b/src/main/dev/lh/Spawner.java
@@ -2,18 +2,24 @@ package dev.lh;
 
 import java.awt.Graphics;
 
-public class Spawner implements Updateable{
+/**
+ * Project: <strong>Snake</strong><br>
+ * File: <strong>Spawner.java</strong><br>
+ * Created: <strong>11 Mar 2020</strong><br>
+ *
+ * @author Leon Hofmeister
+ * @since Snake 1.0
+ */
+public class Spawner implements Updateable {
 
 	@Override
-	public void tick() {
+	public void nextFrame() {
 
-		
 	}
 
 	@Override
 	public void render(Graphics g) {
 
-		
 	}
 
 }
diff --git a/src/main/dev/lh/Updateable.java b/src/main/dev/lh/Updateable.java
index ccc7b8b..8452686 100644
--- a/src/main/dev/lh/Updateable.java
+++ b/src/main/dev/lh/Updateable.java
@@ -2,10 +2,32 @@ package dev.lh;
 
 import java.awt.Graphics;
 
+/**
+ * This interface contains everything that needs to updated regularly.<br>
+ * <br>
+ * Project: <strong>Snake</strong><br>
+ * File: <strong>Updateable.java</strong><br>
+ * Created: <strong>11 Mar 2020</strong><br>
+ *
+ * @author Leon Hofmeister
+ * @since Snake 1.0
+ */
 public interface Updateable {
-	
-	void tick();
-	
+
+	/**
+	 * Here should the actions be implemented that are supposed to happen when a new
+	 * frame gets created.
+	 *
+	 * @since Snake 1.0
+	 */
+	void nextFrame();
+
+	/**
+	 * Renders the object.
+	 *
+	 * @param g the {@link Graphics} object that is used to render this object
+	 * @since Snake 1.0
+	 */
 	void render(Graphics g);
 
 }
diff --git a/src/main/dev/lh/ui/Endscreen.java b/src/main/dev/lh/ui/Endscreen.java
index 045dc25..c6cf133 100644
--- a/src/main/dev/lh/ui/Endscreen.java
+++ b/src/main/dev/lh/ui/Endscreen.java
@@ -2,8 +2,6 @@ package dev.lh.ui;
 
 import java.awt.BorderLayout;
 import java.awt.Font;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
 import java.awt.event.KeyEvent;
 
 import javax.swing.ImageIcon;
@@ -16,48 +14,32 @@ import javax.swing.border.EmptyBorder;
 
 import dev.lh.Main;
 
+/**
+ * Project: <strong>Snake</strong><br>
+ * File: <strong>Endscreen.java</strong><br>
+ * Created: <strong>11 Mar 2020</strong><br>
+ *
+ * @author Leon Hofmeister
+ * @since Snake v1.1
+ */
 public class Endscreen extends JDialog {
 
-
 	private static final long serialVersionUID = -4457484397259161063L;
 
-	private final JPanel contentPanel = new JPanel();
-	public static int currentIndex = 0;
-	public static boolean alreadySaved = false;
-	public static int score = 0;
-	final int goodOrBadResult = 250;
-
-
-
-
-
-	// Beginn der Hauptmethode/Erstellung des JDialogs
-	public static void main(String[] args) {
-		try {
-			Endscreen dialog = new Endscreen(score);
-			dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
-			dialog.setVisible(true);
-			dialog.addWindowListener(new java.awt.event.WindowAdapter() {
-			    @Override
-			    public void windowClosing(java.awt.event.WindowEvent windowEvent) {
-			    	Thread.getAllStackTraces().forEach((thread, stackTraceElement) -> thread.interrupt());
-			    	System.exit(0);
-			    }
-			});
-		} catch (Exception e) {
-			e.printStackTrace();
-		}
-	}
+	private final JPanel	contentPanel	= new JPanel();
+	private static int		score			= 0;
+	private final int		goodOrBadResult	= 250;
 
 	/**
 	 * Create the dialog.
+	 *
+	 * @param score1 the highscore to set
 	 */
-
 	public Endscreen(int score1) {
 		setScore(score1);
 		try {
-//			readInHighscoresPoints();
-//			readInHighscoresPlayers();
+			// readInHighscoresPoints();
+			// readInHighscoresPlayers();
 
 			setTitle("Endscreen");
 			setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
@@ -65,157 +47,160 @@ public class Endscreen extends JDialog {
 			getContentPane().setLayout(new BorderLayout());
 			contentPanel.setBorder(new EmptyBorder(5, 5, 5, 5));
 			getContentPane().add(contentPanel, BorderLayout.CENTER);
-			contentPanel.setLayout(null);
-//			JScrollPane scrollPane = new JScrollPane();
-//			scrollPane.setBounds(10, 412, 349, 238);
-//			contentPanel.add(scrollPane);
-//			String[][] combis = new String[highscorePoints.length][2];
-//			for (int i = 0; i < highscorePoints.length; i++) {
-//				combis[i][0] = highscorePlayers[i];
-//				combis[i][1] = String.valueOf(highscorePoints[i]);
-//			}
-//			table = new JTable(combis, tableTitle);
-//			table.setRowSelectionAllowed(false);
-//			table.setFillsViewportHeight(true);
-//			table.setFont(new Font("Times New Roman", Font.PLAIN, 15));
-//			scrollPane.setViewportView(table);
+			addWindowListener(new java.awt.event.WindowAdapter() {
 
-//			JLabel lblNewLabel = new JLabel("Highscores");
-//			lblNewLabel.setFont(new Font("Times New Roman", Font.BOLD | Font.ITALIC, 18));
-//			lblNewLabel.setBounds(65, 292, 98, 41);
-//			contentPanel.add(lblNewLabel);
-
-			JButton btnNewButton = new JButton("Play again");
-			btnNewButton.setMnemonic(KeyEvent.VK_ENTER);
-
-			btnNewButton.addActionListener(new ActionListener() {// Beginn Listener new game
-				public void actionPerformed(ActionEvent e) {
-					Main.startGame();
-					setVisible(false);
-					dispose();
+				@Override
+				public void windowClosing(java.awt.event.WindowEvent windowEvent) {
+					Thread.getAllStackTraces().forEach((thread, stackTraceElement) -> thread.interrupt());
+					System.exit(0);
 				}
 			});
-//BLOß NICHT RAUSWERFEN
-			btnNewButton.setIconTextGap(5);
-			btnNewButton.setIcon(new ImageIcon(
-					Endscreen.class.getResource("/com/sun/javafx/webkit/prism/resources/mediaPlayDisabled.png")));
-			btnNewButton.setFont(new Font("Times New Roman", Font.PLAIN, 15));
-			btnNewButton.setBounds(85, 512, 243, 100);
-			contentPanel.add(btnNewButton);
-
-//			JButton btnClose = new JButton("Close game");
-//
-//			btnClose.addActionListener(new ActionListener() {// Beginn Listener new game
-//				public void actionPerformed(ActionEvent e) {
-//					System.exit(0);
-//				}
-//			});
-//
-//			btnClose.setFont(new Font("Times New Roman", Font.PLAIN, 15));
-//			btnClose.setBounds(400, 500, 200, 100);
-//			contentPanel.add(btnClose);
-//
-//			tfName = new JTextField();
-//			tfName.setFont(new Font("Times New Roman", Font.PLAIN, 15));
-//			tfName.setBounds(102, 344, 257, 40);
-//			contentPanel.add(tfName);
-//			tfName.setColumns(10);
-//
-//			JTextArea txtrBitteErstNamen = new JTextArea();
-//			txtrBitteErstNamen.setVisible(false);
-//			txtrBitteErstNamen.setBackground(UIManager.getColor("ScrollBar.foreground"));
-//			txtrBitteErstNamen.setText("Bitte erst Namen \r\neingeben und\r\ndann Speichern!!!!");
-//			txtrBitteErstNamen.setBounds(468, 412, 155, 92);
-//			contentPanel.add(txtrBitteErstNamen);
-//			txtrBitteErstNamen.setVisible(false);
-//
-//			JButton btnSaveHighscore = new JButton("Save Highscore");
-//			btnSaveHighscore.setMnemonic(KeyEvent.VK_ENTER);
-//			btnSaveHighscore.setIconTextGap(5);
-//			btnSaveHighscore.setIcon(
-//					new ImageIcon(Endscreen.class.getResource("/javax/swing/plaf/metal/icons/ocean/floppy.gif")));
-//			btnSaveHighscore.setFont(new Font("Times New Roman", Font.PLAIN, 15));
-//
-//			btnSaveHighscore.addActionListener(new ActionListener() {// Beginn Listener Save Highscore
-//				public void actionPerformed(ActionEvent e) {
-//					relocate(score1);
-//					writeFiles();
-//					table.updateUI();
-//				}
-//
-//			});
-//
-//			btnSaveHighscore.setBounds(468, 344, 155, 50);
-//			contentPanel.add(btnSaveHighscore);
-
-			JLabel lblDeinPunktestand = new JLabel("Dein Punktestand:	     " + String.valueOf(score));
-			lblDeinPunktestand.setFont(new Font("Times New Roman", Font.PLAIN, 25));
-			lblDeinPunktestand.setBounds(10, 45, 291, 50);
-			contentPanel.add(lblDeinPunktestand);
-
-//			JLabel lblYourName = new JLabel("Your Name:");
-//			lblYourName.setFont(new Font("Times New Roman", Font.PLAIN, 15));
-//			lblYourName.setBounds(10, 355, 82, 29);
-//			contentPanel.add(lblYourName);
-
-			JCheckBox chckbxNewCheckBox = new JCheckBox("");
-			JLabel lblDasIstEin = new JLabel("Das ist ein hervorragender Wert!");
-			lblDasIstEin.setFont(new Font("Times New Roman", Font.PLAIN, 15));
-			if (score1 >= goodOrBadResult) {
-				chckbxNewCheckBox.setIcon(new ImageIcon(Endscreen.class.getResource("/dev/lh/snake/1211548-200.png")));
-				chckbxNewCheckBox.setBounds(300, 200, 200, 200);
-				lblDasIstEin.setBounds(10, 100, 212, 50);
-			} else {
-				chckbxNewCheckBox.setIcon(new ImageIcon(Endscreen.class.getResource("/dev/lh/snake/Try_Again.jpg")));
-				chckbxNewCheckBox.setBounds(300, 200, 250, 210);
-				lblDasIstEin.setText("Das kannst du aber noch verbessern!");
-				lblDasIstEin.setBounds(10, 100, 240, 50);
-				contentPanel.add(lblDasIstEin);
-			}
-			contentPanel.add(chckbxNewCheckBox);
-			contentPanel.add(lblDasIstEin);
 		} catch (Exception e) {
 			e.printStackTrace();
 		}
+		contentPanel.setLayout(null);
+		// JScrollPane scrollPane = new JScrollPane();
+		// scrollPane.setBounds(10, 412, 349, 238);
+		// contentPanel.add(scrollPane);
+		// String[][] combis = new String[highscorePoints.length][2];
+		// for (int i = 0; i < highscorePoints.length; i++) {
+		// combis[i][0] = highscorePlayers[i];
+		// combis[i][1] = String.valueOf(highscorePoints[i]);
+		// }
+		// table = new JTable(combis, tableTitle);
+		// table.setRowSelectionAllowed(false);
+		// table.setFillsViewportHeight(true);
+		// table.setFont(new Font("Times New Roman", Font.PLAIN, 15));
+		// scrollPane.setViewportView(table);
 
+		// JLabel lblNewLabel = new JLabel("Highscores");
+		// lblNewLabel.setFont(new Font("Times New Roman", Font.BOLD | Font.ITALIC,
+		// 18));
+		// lblNewLabel.setBounds(65, 292, 98, 41);
+		// contentPanel.add(lblNewLabel);
+
+		JButton btnNewButton = new JButton("Play again");
+		btnNewButton.setMnemonic(KeyEvent.VK_ENTER);
+
+		btnNewButton.addActionListener(e -> { Main.startGame(); setVisible(false); dispose(); });
+		// BLOß NICHT RAUSWERFEN
+		btnNewButton.setIconTextGap(5);
+		btnNewButton.setIcon(new ImageIcon(ClassLoader.getSystemResource("/com/sun/javafx/webkit/prism/resources/mediaPlayDisabled.png")));
+		// Endscreen.class.getResource("/com/sun/javafx/webkit/prism/resources/mediaPlayDisabled.png")));
+		btnNewButton.setFont(new Font("Times New Roman", Font.PLAIN, 15));
+		btnNewButton.setBounds(85, 512, 243, 100);
+		contentPanel.add(btnNewButton);
+
+		// JButton btnClose = new JButton("Close game");
+		//
+		// btnClose.addActionListener(new ActionListener() {// Beginn Listener new game
+		// public void actionPerformed(ActionEvent e) {
+		// System.exit(0);
+		// }
+		// });
+		//
+		// btnClose.setFont(new Font("Times New Roman", Font.PLAIN, 15));
+		// btnClose.setBounds(400, 500, 200, 100);
+		// contentPanel.add(btnClose);
+		//
+		// tfName = new JTextField();
+		// tfName.setFont(new Font("Times New Roman", Font.PLAIN, 15));
+		// tfName.setBounds(102, 344, 257, 40);
+		// contentPanel.add(tfName);
+		// tfName.setColumns(10);
+		//
+		// JTextArea txtrBitteErstNamen = new JTextArea();
+		// txtrBitteErstNamen.setVisible(false);
+		// txtrBitteErstNamen.setBackground(UIManager.getColor("ScrollBar.foreground"));
+		// txtrBitteErstNamen.setText("Bitte erst Namen \r\neingeben und\r\ndann
+		// Speichern!!!!");
+		// txtrBitteErstNamen.setBounds(468, 412, 155, 92);
+		// contentPanel.add(txtrBitteErstNamen);
+		// txtrBitteErstNamen.setVisible(false);
+		//
+		// JButton btnSaveHighscore = new JButton("Save Highscore");
+		// btnSaveHighscore.setMnemonic(KeyEvent.VK_ENTER);
+		// btnSaveHighscore.setIconTextGap(5);
+		// btnSaveHighscore.setIcon(
+		// new
+		// ImageIcon(Endscreen.class.getResource("/javax/swing/plaf/metal/icons/ocean/floppy.gif")));
+		// btnSaveHighscore.setFont(new Font("Times New Roman", Font.PLAIN, 15));
+		//
+		// btnSaveHighscore.addActionListener(new ActionListener() {// Beginn Listener
+		// Save Highscore
+		// public void actionPerformed(ActionEvent e) {
+		// relocate(score1);
+		// writeFiles();
+		// table.updateUI();
+		// }
+		//
+		// });
+		//
+		// btnSaveHighscore.setBounds(468, 344, 155, 50);
+		// contentPanel.add(btnSaveHighscore);
+
+		JLabel lblDeinPunktestand = new JLabel("Dein Punktestand:	     " + String.valueOf(score));
+		lblDeinPunktestand.setFont(new Font("Times New Roman", Font.PLAIN, 25));
+		lblDeinPunktestand.setBounds(10, 45, 291, 50);
+		contentPanel.add(lblDeinPunktestand);
+
+		// JLabel lblYourName = new JLabel("Your Name:");
+		// lblYourName.setFont(new Font("Times New Roman", Font.PLAIN, 15));
+		// lblYourName.setBounds(10, 355, 82, 29);
+		// contentPanel.add(lblYourName);
+
+		JCheckBox	chckbxNewCheckBox	= new JCheckBox("");
+		JLabel		lblDasIstEin		= new JLabel("Das ist ein hervorragender Wert!");
+		lblDasIstEin.setFont(new Font("Times New Roman", Font.PLAIN, 15));
+		if (score1 >= goodOrBadResult) {
+			chckbxNewCheckBox.setIcon(new ImageIcon(ClassLoader.getSystemResource("/dev/lh/snake/1211548-200.png")));
+			chckbxNewCheckBox.setBounds(300, 200, 200, 200);
+			lblDasIstEin.setBounds(10, 100, 212, 50);
+		} else {
+			chckbxNewCheckBox.setIcon(new ImageIcon(ClassLoader.getSystemResource("/dev/lh/snake/Try_Again.jpg")));
+			chckbxNewCheckBox.setBounds(300, 200, 250, 210);
+			lblDasIstEin.setText("Das kannst du aber noch verbessern!");
+			lblDasIstEin.setBounds(10, 100, 240, 50);
+			contentPanel.add(lblDasIstEin);
+		}
+		contentPanel.add(chckbxNewCheckBox);
+		contentPanel.add(lblDasIstEin);
+		setVisible(true);
 	}
 
-	public static int getScore() {
-		return score;
-	}
+	/**
+	 * @return the highscore of the current game
+	 * @since Snake 1.0
+	 */
+	public static int getScore() { return score; }
 
-	public static void setScore(int score) {
-		Endscreen.score = score;
-	}
+	/**
+	 * @param score the new highscore
+	 * @since Snake 1.0
+	 */
+	public static void setScore(int score) { Endscreen.score = score; }
 	/*
 	 * public static void readInHighscoresPoints() { try { // FileReader reads text
 	 * files in the default encoding. FileReader fileReader = new
 	 * FileReader(fileNamePoints);
-	 * 
 	 * // Always wrap FileReader in BufferedReader. BufferedReader bufferedReader =
 	 * new BufferedReader(fileReader);
-	 * 
 	 * currentIndex = Integer.parseInt(bufferedReader.readLine()); for (int i = 0; i
 	 * < currentIndex; i++) { highscorePoints[i]=
 	 * Integer.parseInt(bufferedReader.readLine()); } // Always close files.
 	 * bufferedReader.close(); fileReader.close(); } catch (FileNotFoundException
 	 * ex) { System.out.println("Error 404:File '" + fileNamePoints +
 	 * "' not found");
-	 * 
 	 * } catch (IOException ex) { System.out.println("Error reading file '" +
 	 * fileNamePoints + "'"); ex.printStackTrace(); } } private void
 	 * readInHighscoresPlayers(){ try { // FileReader reads text files in the
 	 * default encoding. FileReader fileReader = new FileReader(fileNamePlayers);
-	 * 
 	 * // Always wrap FileReader in BufferedReader. BufferedReader bufferedReader =
 	 * new BufferedReader(fileReader);
-	 * 
 	 * for (int i = 0; i < currentIndex; i++) { highscorePlayers[i]=
 	 * bufferedReader.readLine(); } // Always close files. bufferedReader.close();
 	 * fileReader.close(); } catch (FileNotFoundException ex) {
 	 * System.out.println("Error 404:File '" + fileNamePlayers + "' not found");
-	 * 
-	 * 
 	 * } catch (IOException ex) { System.out.println("Error reading file '" +
 	 * fileNamePlayers + "'"); ex.printStackTrace(); } } /* private void
 	 * writeFiles() { File dateiPoints = new File("." + File.separator +
@@ -226,7 +211,6 @@ public class Endscreen extends JDialog {
 	 * catch (Exception e1) { e1.printStackTrace(); } finally { try {
 	 * bwpoints.close(); fwpoints.close(); alreadySaved = true; } catch (IOException
 	 * e2) { e2.printStackTrace(); } }
-	 * 
 	 * File dateiPlayers = new File("." + File.separator + fileNamePlayers);
 	 * FileWriter fwplayers = null; BufferedWriter bwplayers = null; try { fwplayers
 	 * = new FileWriter(dateiPlayers); bwplayers = new BufferedWriter(fwplayers);
@@ -234,20 +218,14 @@ public class Endscreen extends JDialog {
 	 * bwplayers.write(highscorePlayers[i]); } } catch (Exception e1) {
 	 * e1.printStackTrace(); } finally { try { bwplayers.close(); fwplayers.close();
 	 * alreadySaved = true; } catch (IOException e2) { e2.printStackTrace(); } }
-	 * 
-	 * 
 	 * }
-	 * 
-	 * 
 	 * /** Launch the application.
 	 */
 	/*
 	 * public void relocate(int newScore) {
-	 * 
 	 * String newPlayer = new String(tfName.getText()); if (newPlayer.equals("")) {
 	 * txtrBitteErstNamen.setVisible(true); return; } else { sortFiles(newScore,
 	 * newPlayer); } }
-	 * 
 	 * private void sortFiles(int newScore, String newPlayer) { if
 	 * (highscorePoints.length==highscorePlayers.length&&
 	 * highscorePoints.length<=30) { for(int i=0;i<highscorePoints.length;i++) {
@@ -276,7 +254,6 @@ public class Endscreen extends JDialog {
 	 * temp[i]=toCompare; for(int k=i+1;k<temp.length;k++) { int tmp2=temp[k];
 	 * temp[k]=tmp; tmp=tmp2; } arrange(temp); return; } else { temp[30]=toCompare;
 	 * arrange(temp); }
-	 * 
 	 * } } }
 	 */
 }
\ No newline at end of file
diff --git a/src/main/dev/lh/ui/GameWindow.java b/src/main/dev/lh/ui/GameWindow.java
index 89659ee..ba6d481 100644
--- a/src/main/dev/lh/ui/GameWindow.java
+++ b/src/main/dev/lh/ui/GameWindow.java
@@ -16,17 +16,30 @@ import dev.lh.FoodFactory;
 import dev.lh.Snake;
 import dev.lh.Snake.Direction;
 
+/**
+ * Project: <strong>Snake</strong><br>
+ * File: <strong>GameWindow.java</strong><br>
+ * Created: <strong>11 Mar 2020</strong><br>
+ *
+ * @author Leon Hofmeister
+ * @since Snake 1.0
+ */
 public class GameWindow extends JFrame {
 
-	private static final long serialVersionUID = 1L;
-	private Snake s = new Snake(7);
-	private FoodFactory foodFactory = FoodFactory.getInstance();
+	private static final long	serialVersionUID	= 1L;
+	private Snake				s					= new Snake(7);
+	private FoodFactory			foodFactory			= FoodFactory.getInstance();
 
+	/**
+	 * @param title the title of the frame
+	 * @since Snake 1.0
+	 */
 	public GameWindow(String title) {
 		super(title);
 		newFood();
 		Dimension size = Toolkit.getDefaultToolkit().getScreenSize();
 		setBounds(new Rectangle(size));
+		setLocation(0, 0);
 		setLocationRelativeTo(null);
 		setMinimumSize(size);
 		setPreferredSize(size);
@@ -35,7 +48,6 @@ public class GameWindow extends JFrame {
 		setResizable(false);
 		setDefaultCloseOperation(EXIT_ON_CLOSE);
 
-
 		add(new JPanel() {
 
 			private static final long serialVersionUID = 1L;
@@ -56,42 +68,48 @@ public class GameWindow extends JFrame {
 			public void keyPressed(KeyEvent e) {
 				super.keyPressed(e);
 				switch (e.getKeyCode()) {
-				case KeyEvent.VK_W:
-				case KeyEvent.VK_UP:
-					s.setRichtung(Direction.Up);
-					break;
-				case KeyEvent.VK_A:
-				case KeyEvent.VK_LEFT:
-					s.setRichtung(Direction.Left);
-					break;
-				case KeyEvent.VK_S:
-				case KeyEvent.VK_DOWN:
-					s.setRichtung(Direction.Down);
-					break;
-				case KeyEvent.VK_D:
-				case KeyEvent.VK_RIGHT:
-					s.setRichtung(Direction.Right);
-					break;
-				}// switch
-			}// keypressed
-		});// keylistener
-
-		Timer timer = new Timer(50, (evt) -> {
-			s.tick();
-			if(System.currentTimeMillis()>=foodFactory.getTimeOfNextFood()) newFood();
-			repaint();
+					case KeyEvent.VK_W:
+					case KeyEvent.VK_UP:
+						if (!s.getRichtung().equals(Direction.Down)) s.setRichtung(Direction.Up);
+						break;
+					case KeyEvent.VK_A:
+					case KeyEvent.VK_LEFT:
+						if (!s.getRichtung().equals(Direction.Right)) s.setRichtung(Direction.Left);
+						break;
+					case KeyEvent.VK_S:
+					case KeyEvent.VK_DOWN:
+						if (!s.getRichtung().equals(Direction.Up)) s.setRichtung(Direction.Down);
+						break;
+					case KeyEvent.VK_D:
+					case KeyEvent.VK_RIGHT:
+						if (!s.getRichtung().equals(Direction.Left)) s.setRichtung(Direction.Right);
+						break;
+				}
+			}
 		});
+
+		Timer timer = new Timer(50,
+				(evt) -> { s.nextFrame(); if (System.currentTimeMillis() >= foodFactory.getTimeOfNextFood()) newFood(); repaint(); });
 		timer.start();
 
 		setVisible(true);
 	}
 
+	/**
+	 * Generates new food
+	 *
+	 * @since Snake 1.1
+	 */
 	public void newFood() {
 		foodFactory.generateFood();
 		foodFactory.generateFoodLocation(super.getWidth(), super.getHeight());
+		repaint();
 	}
 
-	public void close() {
-		dispose();
-	}
+	/**
+	 * Disposes this frame
+	 *
+	 * @since Snake 1.1
+	 */
+	public void close() { dispose(); }
 }
\ No newline at end of file
diff --git a/src/main/dev/lh/ui/StartScreen.java b/src/main/dev/lh/ui/StartScreen.java
index 795279f..b62dd68 100644
--- a/src/main/dev/lh/ui/StartScreen.java
+++ b/src/main/dev/lh/ui/StartScreen.java
@@ -2,11 +2,7 @@ package dev.lh.ui;
 
 import java.awt.EventQueue;
 import java.awt.Font;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
 import java.awt.event.KeyEvent;
-import java.util.ArrayList;
-import java.util.List;
 
 import javax.swing.ImageIcon;
 import javax.swing.JButton;
@@ -16,68 +12,76 @@ import javax.swing.border.EmptyBorder;
 
 import dev.lh.Main;
 
+/**
+ * Project: <strong>Snake</strong><br>
+ * File: <strong>StartScreen.java</strong><br>
+ * Created: <strong>11 Mar 2020</strong><br>
+ *
+ * @author Leon Hofmeister
+ * @since Snake 1.0
+ */
 public class StartScreen extends JFrame {
 
-	private static final long serialVersionUID = 6055940532003735543L;
-	private JPanel contentPane;
-	public static int currentIndex = 0;
-	public static List<String[]> combination = new ArrayList<>();
+	private static final long	serialVersionUID	= 6055940532003735543L;
+	private JPanel				contentPane;
 
 	/**
-	 * Launch the application.
+	 * closes the application.
+	 */
+	public static void close() { System.exit(0); }
+
+	/**
+	 * Launches Snake.
+	 *
+	 * @param args the program arguments
+	 * @since Snake 1.0
 	 */
-	public static void close() {
-		System.exit(0);
-	}
-	
 	public static void main(String[] args) {
-		EventQueue.invokeLater(new Runnable() {
-			public void run() {
-				try {
-					StartScreen frame = new StartScreen();
-					frame.setVisible(true);
-				} catch (Exception e) {
-					e.printStackTrace();
-				}
+		EventQueue.invokeLater(() -> {
+			try {
+				StartScreen frame = new StartScreen();
+				frame.setVisible(true);
+			} catch (Exception e) {
+				e.printStackTrace();
 			}
 		});
 	}
-	
-//	public static void readInHighscores() {
-//		try {
-//			combination.clear();
-//			// FileReader reads text files in the default encoding.
-//			FileReader fileReader = new FileReader(fileName);
-//
-//			// Always wrap FileReader in BufferedReader.
-//			BufferedReader bufferedReader = new BufferedReader(fileReader);
-//
-//			currentIndex = Integer.parseInt(bufferedReader.readLine());
-//			for (int i = 0; i < currentIndex; i++) {
-//				String[] spielerScore = new String[2];
-//				spielerScore[0] = bufferedReader.readLine();
-//				spielerScore[1] = bufferedReader.readLine();
-//				combination.add(spielerScore);
-//			}
-//			// Always close files.
-//			bufferedReader.close();
-//			fileReader.close();
-//		} catch (FileNotFoundException ex) {
-//			System.out.println("Error 404:File '" + fileName + "' not found");
-//
-//		} catch (IOException ex) {
-//			System.out.println("Error reading file '" + fileName + "'");
-//			ex.printStackTrace();
-//
-//		}
-//	}
+
+	// public static void readInHighscores() {
+	// try {
+	// combination.clear();
+	// // FileReader reads text files in the default encoding.
+	// FileReader fileReader = new FileReader(fileName);
+	//
+	// // Always wrap FileReader in BufferedReader.
+	// BufferedReader bufferedReader = new BufferedReader(fileReader);
+	//
+	// currentIndex = Integer.parseInt(bufferedReader.readLine());
+	// for (int i = 0; i < currentIndex; i++) {
+	// String[] spielerScore = new String[2];
+	// spielerScore[0] = bufferedReader.readLine();
+	// spielerScore[1] = bufferedReader.readLine();
+	// combination.add(spielerScore);
+	// }
+	// // Always close files.
+	// bufferedReader.close();
+	// fileReader.close();
+	// } catch (FileNotFoundException ex) {
+	// System.out.println("Error 404:File '" + fileName + "' not found");
+	//
+	// } catch (IOException ex) {
+	// System.out.println("Error reading file '" + fileName + "'");
+	// ex.printStackTrace();
+	//
+	// }
+	// }
 
 	/**
 	 * Create the frame.
 	 */
 	public StartScreen() {
 		try {
-//			readInHighscores();
+			// readInHighscores();
 			setTitle("Snake - Startscreen");
 			setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 			setBounds(500, 200, 550, 550);
@@ -86,25 +90,22 @@ public class StartScreen extends JFrame {
 			setContentPane(contentPane);
 
 			JButton buPlay = new JButton("Start Game");
-			buPlay.setBounds(158,197, 190, 131);
-			buPlay.setIcon(new ImageIcon(
-					StartScreen.class.getResource("/com/sun/javafx/webkit/prism/resources/mediaPlayDisabled.png")));
+			buPlay.setBounds(158, 197, 190, 131);
+			buPlay.setIcon(new ImageIcon(StartScreen.class.getResource("/com/sun/javafx/webkit/prism/resources/mediaPlayDisabled.png")));
 			buPlay.setMnemonic(KeyEvent.VK_ENTER);
 			buPlay.setFont(new Font("Times New Roman", Font.PLAIN, 16));
 
-			buPlay.addActionListener(new ActionListener() {
-				public void actionPerformed(ActionEvent a) {
+			buPlay.addActionListener(a -> {
 
-					Main.startGame();
-					setVisible(false);
-					dispose();
-					System.gc();
-				}
+				Main.startGame();
+				setVisible(false);
+				dispose();
+				System.gc();
 			});
 			contentPane.setLayout(null);
 
 		} catch (Exception e) {
-			
+
 			e.printStackTrace();
 		}
 	}