started method PathFinderStrategy, (much work needed still no real solution in mind)

src/main/java/ch/zhaw/pm2/racetrack/strategy/PathFinderStrategy.java

@@ -0,0 +1,76 @@
+package ch.zhaw.pm2.racetrack.strategy;
+
+import ch.zhaw.pm2.racetrack.PositionVector;
+import ch.zhaw.pm2.racetrack.Track;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
+
+public class PathFinderStrategy implements MoveStrategy{
+    private ArrayList<tryOutPaths> possiblePaths;
+    private Track track;
+    List<PositionVector.Direction> directions = Arrays.asList(PositionVector.Direction.values());
+
+    public PathFinderStrategy(Track track, int carIndex) {
+        this.track = track;
+        possiblePaths = new ArrayList<>();
+    }
+
+    private void test(){
+        ArrayList<tryOutPaths> temporary = new ArrayList<>();
+        Iterator<tryOutPaths> it = possiblePaths.iterator();
+        while(it.hasNext()) {
+            tryOutPaths current = it.next();
+            if (!current.isFeasible()) {
+                it.remove();
+            }
+            else {
+                for (PositionVector.Direction direction : directions) {
+                    temporary.add(current);
+                    temporary.get(temporary.size() - 1).takeDirection(direction);
+                }
+            }
+        }
+        //ab hier zu löschen
+        for (tryOutPaths paths : possiblePaths){
+            for (PositionVector.Direction direction : directions) {
+                temporary.add(paths);
+                temporary.get(temporary.size() - 1).takeDirection(direction);
+            }
+        }
+        //bis hier löschen
+        possiblePaths.clear();
+        possiblePaths.addAll(temporary);
+    }
+
+    @Override
+    public PositionVector.Direction nextMove() {
+        return null;
+    }
+    public class tryOutPaths {
+        ArrayList<PositionVector.Direction>  directionsTaken = new ArrayList<>();
+        PositionVector currentPosition;
+        Track track;
+        private boolean feasible;
+        private boolean finished;
+        public tryOutPaths(Track track){
+            this.track = track;
+        }
+        public boolean isFeasible(){
+            return feasible;
+        }
+        public void takeDirection(PositionVector.Direction direction) {
+            if(directionsTaken.size() >= 50){
+                feasible = false;
+            }
+            else if(finished){
+            }
+            else {
+                //check if possible eventuell hier??
+                directionsTaken.add(direction);
+            }
+        }
+    }
+}