src/main/java/ch/zhaw/pm2/racetrack/Game.java

@@ -293,6 +293,48 @@ public class Game implements GameSpecification {
     }
 
 
+    /**
+     * This method will check if a car is passing the finishline.
+     * If the car is passing the finishline in the wrong direction, the car will lose a winpoint.
+     * If the car is passing the finishline in the correct direction, the car will gain a winpoint.
+     * @param start the startposition of the car
+     * @param finish the expected finishpositon of the car after the move
+     */
+    private void calculateWinner(PositionVector start, PositionVector finish, int carIndex) {
+        List<PositionVector> path = calculatePath(start, finish);
+        for (PositionVector point : path) {
+            switch (track.getSpaceType(point)) {
+                case FINISH_UP:
+                    if (start.getY() < finish.getY()) {
+                        track.getCar(carIndex).increaseWinPoints();
+                    } else if (start.getY() > finish.getY()) {
+                        track.getCar(carIndex).deductWinPoints();
+                    }
+                    break;
+                case FINISH_DOWN:
+                    if (start.getY() > finish.getY()) {
+                        track.getCar(carIndex).increaseWinPoints();
+                    } else if (start.getY() < finish.getY()) {
+                        track.getCar(carIndex).deductWinPoints();
+                    }
+                    break;
+                case FINISH_RIGHT:
+                    if (start.getX() < finish.getX()) {
+                        track.getCar(carIndex).increaseWinPoints();
+                    } else if (start.getX() > finish.getX()) {
+                        track.getCar(carIndex).deductWinPoints();
+                    }
+                    break;
+                case FINISH_LEFT:
+                    if (start.getX() > finish.getX()) {
+                        track.getCar(carIndex).increaseWinPoints();
+                    } else if (start.getX() < finish.getX()) {
+                        track.getCar(carIndex).increaseWinPoints();
+                    }
+                    break;
+            }
+        }
+    }
 
 
     /**

src/main/java/ch/zhaw/pm2/racetrack/Track.java

@@ -66,8 +66,8 @@ public class Track implements TrackSpecification {
     private ConfigSpecification.SpaceType finishTyp;
 
     /**
-     * Initialize a Track from the given track file.
+     * Initializes the Track from the given track File including the cars.
-     *
+     * Throws an corresponding error if one of the conditions are not met to build a track.
      * @param trackFile Reference to a file containing the track data
      * @throws FileNotFoundException       if the given track file could not be found
      * @throws InvalidTrackFormatException if the track file contains invalid data (no tracklines, ...)
@@ -126,7 +126,9 @@ public class Track implements TrackSpecification {
     //TODO: THIS
 
     /**
-     * @throws InvalidTrackFormatException
+     *  Determines the finish line and saves it in a list, throws an Exception if none is found.
+     *
+     * @throws InvalidTrackFormatException thrown if no finish line is found
      */
     private void findFinish() throws InvalidTrackFormatException {
         for (int i = 0; i < track.size(); i++) {
@@ -238,8 +240,8 @@ public class Track implements TrackSpecification {
     /**
      * This Method will check if the Car would crash at the specific position
      *
-     * @param positionVector the position to check if the car could crash
+     * @param positionVector the position to check if the car would crash
-     * @return true if car would crash. Else false.
+     * @return true if crash otherwise false
      */
     public boolean willCrashAtPosition(int carIndex, PositionVector positionVector) {
         char charAtPosition = track.get(positionVector.getY()).charAt(positionVector.getX());
@@ -252,10 +254,10 @@ public class Track implements TrackSpecification {
     }
 
     /**
-     * This Method will make the Car Crash. In Track and in the Car Object
+     * This Method will mark the Car as crashed inside the track and the car Object.
      *
-     * @param carIndex            representing current Car
+     * @param carIndex of car that will be marked as crashed
-     * @param crashPositionVector where the Crash did happen
+     * @param crashPositionVector of the location of the crash
      */
     public void carDoesCrash(int carIndex, PositionVector crashPositionVector) {
         PositionVector currentCarPosition = getCarPos(carIndex);
@@ -271,7 +273,7 @@ public class Track implements TrackSpecification {
      * If the location is outside the track bounds, it is considered a wall.
      *
      * @param position The coordinates of the position to examine
-     * @return The type of track position at the given location
+     * @return The type of space at the desired position
      */
     @Override
     public Config.SpaceType getSpaceType(PositionVector position) {
@@ -287,9 +289,9 @@ public class Track implements TrackSpecification {
     }
 
     /**
-     * Return the number of cars.
+     * Return the number of cars that are located in a track
      *
-     * @return Number of cars
+     * @return number of cars as int
      */
     @Override
     public int getCarCount() {
@@ -363,6 +365,13 @@ public class Track implements TrackSpecification {
         return currentSpace.getValue();
     }
 
+    /**
+     * Determines all points that lie between the two position vectors including the endpoint VectorPosition using the  Bresenham algorithm.
+     *
+     * @param startPosition PositionVector of the finish coordinate
+     * @param endPosition PositionVector of the start coordinate
+     * @return ArrayList containing PositionVectors of all position that are between the start and finish including the finish position.
+     */
     public ArrayList<PositionVector> calculatePointsOnPath(PositionVector startPosition, PositionVector endPosition) {
         ArrayList<PositionVector> pathList = new ArrayList<>();
         // Use Bresenham's algorithm to determine positions.

src/main/java/ch/zhaw/pm2/racetrack/UserInterface.java

@@ -25,7 +25,6 @@ public class UserInterface {
     public UserInterface(String welcomeText) {
         textIO = TextIoFactory.getTextIO();
         textTerminal = textIO.getTextTerminal();
-
         textTerminal.println(welcomeText + "\n");
     }
 

src/test/java/ch/zhaw/pm2/racetrack/GameTest.java

@@ -187,8 +187,8 @@ class GameTest {
 
     private class interFace extends UserInterface {
 
-        private final PositionVector.Direction[] directions;
+        private PositionVector.Direction[] directions;
-        private final Integer[] instructions;
+        private Integer[] instructions;
         private int pointerDir,pointerInstruction;