Added audio indication when the user boat is low on hp. Audio rate changes when hp is critically low. #story[1292]

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

@@ -18,6 +18,7 @@ import javafx.scene.input.KeyEvent;
 import javafx.scene.layout.AnchorPane;
 import javafx.scene.layout.GridPane;
 import javafx.scene.layout.StackPane;
+import javafx.scene.media.AudioClip;
 import javafx.scene.paint.Color;
 import javafx.scene.paint.Material;
 import javafx.scene.paint.PhongMaterial;
@@ -66,6 +67,9 @@ public class RaceViewController extends Controller {
     private ObservableList<Subject3D> viewSubjects;
     private ResizableRaceCanvas raceCanvas;
     private boolean mapToggle = true;
+    private int heartbeatDelay = 1000;
+    private long heartbeatTime = 0;
+
 
     /**
      * Arrow pointing to next mark in third person
@@ -115,6 +119,7 @@ public class RaceViewController extends Controller {
         initKeypressHandler();
         initialiseRaceVisuals();
         initialiseRaceCanvas();
+        healthLoop();
     }
 
     /**
@@ -656,6 +661,34 @@ public class RaceViewController extends Controller {
         }.start();
     }
 
+    private void healthLoop(){
+        new AnimationTimer(){
+            @Override
+            public void handle(long arg0){
+                if (raceState.getRaceStatusEnum() == RaceStatusEnum.FINISHED) {
+                    stop(); // stop the timer
+                } else {
+                    try {
+                        if(raceState.getBoat(raceState.getPlayerBoatID()).getHealth()<=20){
+                            heartbeatDelay = 500;
+                        } else if (raceState.getBoat(raceState.getPlayerBoatID()).getHealth()<=40){
+                            heartbeatDelay = 1000;
+                        }
+                        if(raceState.getBoat(raceState.getPlayerBoatID()).getHealth()<=40){
+                            if(System.currentTimeMillis() > heartbeatTime+heartbeatDelay) {
+                                AudioClip sound = new AudioClip(this.getClass().getResource("/visualiser/sounds/heartbeat.mp3").toExternalForm());
+                                sound.play();
+                                heartbeatTime = System.currentTimeMillis() + heartbeatDelay;
+                            }
+                        }
+                    } catch (BoatNotFoundException e) {
+                        e.printStackTrace();
+                    }
+                }
+            }
+        }.start();
+    }
+
     /**
      * toggles if the info table is shown
      */