Recovered stable rotation of the player's boat

- Uses AnimationTimer rather than listeners
- Reduced pre-start time to speed up testing

#story[1261]

racevisionGame/src/main/java/visualiser/layout/View3D.java

@@ -50,6 +50,8 @@ public class View3D extends Pane {
      */
     private Rotate pitch;
 
+    private PerspectiveCamera camera;
+
     /**
      * Default constructor for View3D. Sets up Scene and PerspectiveCamera.
      */
@@ -86,6 +88,7 @@ public class View3D extends Pane {
         pitch = new Rotate(0, Rotate.X_AXIS);
         camera.getTransforms().addAll(pivot, yaw, pitch, distance);
 
+        this.camera = camera;
         return camera;
     }
 
@@ -142,4 +145,8 @@ public class View3D extends Pane {
     public void setPitch(double pitch) {
         this.pitch.setAngle(-pitch);
     }
+
+    public PerspectiveCamera getCamera() {
+        return camera;
+    }
 }