Boats now reverse smoothly when colliding

- Collision objects specify which boat is colliding - RaceLogic sets up an observable CollisionCommand when collision bubbles up - Boats now selectively identify observers of collision #story[1196]
2017-09-07 16:57:07 +12:00
parent 9cba3934ea
commit a6db06a82c
7 changed files with 69 additions and 25 deletions
@@ -0,0 +1,39 @@
+package mock.model.commandFactory;
+
+import mock.model.MockBoat;
+import mock.model.MockRace;
+import shared.model.Azimuth;
+import shared.model.GPSCoordinate;
+
+import java.util.Observable;
+
+/**
+ * Created by cbt24 on 7/09/17.
+ */
+public class CollisionCommand extends ObserverCommand {
+    private GPSCoordinate startingPosition;
+    private Azimuth azimuth;
+    private double distance;
+
+    public CollisionCommand(MockRace race, MockBoat boat) {
+        super(race, boat);
+    }
+
+    @Override
+    public void execute() {
+        this.azimuth = Azimuth.fromDegrees(boat.getBearing().degrees() - 180d);
+        this.startingPosition = boat.getPosition();
+        this.distance = 30;
+        boat.setVelocityDefault(false);
+    }
+
+    @Override
+    public void update(Observable o, Object arg) {
+        if(GPSCoordinate.calculateDistanceMeters(boat.getPosition(), startingPosition) < distance) {
+            boat.setPosition(GPSCoordinate.calculateNewPosition(boat.getPosition(), 2, azimuth));
+        } else {
+            race.deleteObserver(this);
+            boat.setVelocityDefault(true);
+        }
+    }
+}