Seagulls are spawnable and have semi-random motion, no sounds yets

racevisionGame/src/main/java/visualiser/Controllers/RaceViewController.java

@@ -92,6 +92,13 @@ public class RaceViewController extends Controller {
      */
     private AnimationTimer pointToMark;
 
+    //seagulls
+    private ObservableList<Subject3D> seagulls = FXCollections.observableArrayList();
+    //seagulls goto
+    private Map<Subject3D, List<Double>> seagullsGoToX = new HashMap<>();
+    private Map<Subject3D, List<Double>> seagullsGoToY = new HashMap<>();
+    private double seagullSpeed = 0.01;
+
     // note: it says it's not used but it is! do not remove :)
     private @FXML ArrowController arrowController;
     private @FXML NextMarkController nextMarkController;
@@ -517,6 +524,8 @@ public class RaceViewController extends Controller {
 //            Subject3D textSubject = new Annotation3D(new SeagullMesh());
 //            textSubject.setY(-10);
 //            viewSubjects.add(textSubject);
+            addToFlock();
+            seagullGoTo.start();
 
             AnimationTimer rotateArrows = new AnimationTimer() {
                 @Override
@@ -1248,4 +1257,86 @@ public class RaceViewController extends Controller {
         deathPane.setVisible(false);
     }
 
+
+    private AnimationTimer seagullGoTo = new AnimationTimer() {
+        @Override
+        public void handle(long now) {
+            for (Subject3D seagull: seagulls) {
+                if (seagullsGoToX.get(seagull).size() > 0) {
+                    //System.out.println(xPosition + " " + yPosition);
+                    seagull.setHeading(GPSConverter.getAngle(new GraphCoordinate(seagull.getX(), seagull.getZ()),
+                            new GraphCoordinate(seagullsGoToX.get(seagull).get(0), seagullsGoToY.get(seagull).get(0))));
+                    double delx = seagullsGoToX.get(seagull).get(0) - seagull.getX();
+                    double dely = seagullsGoToY.get(seagull).get(0) - seagull.getZ();
+                    double scale = seagullSpeed / Math.sqrt(delx * delx + dely * dely);
+                    if (scale < 1) {
+                        seagull.setX(seagull.getX() + delx * scale);
+                        seagull.setZ(seagull.getZ() + dely * scale);
+                    } else {
+                        seagullsGoToX.get(seagull).remove(0);
+                        seagullsGoToY.get(seagull).remove(0);
+                    }
+                } else {
+                    randSeagullNewAction(seagull);
+                }
+            }
+        }
+    };
+
+
+    public void randSeagullNewAction(Subject3D seagull){
+        Random rand = new Random();
+        int nextAction = rand.nextInt(1);
+        switch(nextAction){
+            case 0:
+                //do a straight line
+                double nextX = rand.nextInt((int)gpsConverter.getLongitudeFactor());
+                /*if (nextX > this.xBound/2){
+                    nextX = - nextX/2;
+                }*/
+                double nextY = rand.nextInt((int)gpsConverter.getLatitudeFactor());
+                /*if (nextY > this.yBound/2){
+                    nextY = - nextY/2;
+                }*/
+                seagullsGoToX.get(seagull).add(nextX);
+                seagullsGoToY.get(seagull).add(nextY);
+                break;
+            case 1:
+                //do a octogan circle
+                seagullsGoToX.get(seagull).add(seagull.getX() - 3);
+                seagullsGoToX.get(seagull).add(seagull.getX() - 3);
+                seagullsGoToX.get(seagull).add(seagull.getX());
+                seagullsGoToX.get(seagull).add(seagull.getX() + 3);
+                seagullsGoToX.get(seagull).add(seagull.getX() + 6);
+                seagullsGoToX.get(seagull).add(seagull.getX() + 6);
+                seagullsGoToX.get(seagull).add(seagull.getX() + 3);
+                seagullsGoToX.get(seagull).add(seagull.getX());
+                //y
+                seagullsGoToY.get(seagull).add(seagull.getZ() - 3);
+                seagullsGoToY.get(seagull).add(seagull.getZ() - 6);
+                seagullsGoToY.get(seagull).add(seagull.getZ() - 9);
+                seagullsGoToY.get(seagull).add(seagull.getZ() - 9);
+                seagullsGoToY.get(seagull).add(seagull.getZ() - 6);
+                seagullsGoToY.get(seagull).add(seagull.getZ() - 3);
+                seagullsGoToY.get(seagull).add(seagull.getZ());
+                seagullsGoToY.get(seagull).add(seagull.getZ());
+                break;
+        }
+    }
+
+
+    public void addToFlock(){
+        Annotation3D newSeagull = new Annotation3D(new SeagullMesh());
+        newSeagull.setY(-15);
+        System.out.println(newSeagull.getY());
+        newSeagull.setX(67);
+        newSeagull.setZ(43);
+        newSeagull.setXRot(0);
+        seagulls.add(newSeagull);
+        seagullsGoToX.put(newSeagull, new ArrayList<>());
+        seagullsGoToY.put(newSeagull, new ArrayList<>());
+        viewSubjects.add(newSeagull);
+        randSeagullNewAction(newSeagull);
+    }
+
 }

racevisionGame/src/main/java/visualiser/utils/GPSConverter.java

@@ -111,4 +111,11 @@ public class GPSConverter {
         return Math.atan2(coord2.getX() - coord1.getX(), coord2.getY() - coord1.getY());
     }
 
+    public double getLongitudeFactor() {
+        return longitudeFactor;
+    }
+
+    public double getLatitudeFactor() {
+        return latitudeFactor;
+    }
 }