building blocks for drawing the race line around the course

#story[1087]

racevisionGame/src/main/java/shared/model/Race.java

@@ -323,6 +323,13 @@ public abstract class Race implements Runnable {
         return  lastFps;
     }
 
+    /**
+     * Returns the legs of this race
+     * @return list of legs
+     */
+    public List<Leg> getLegs() {
+        return legs;
+    }
 
     /**
      * Increments the FPS counter, and adds timePeriod milliseconds to our FPS reset timer.

racevisionGame/src/main/java/visualiser/model/ResizableRaceCanvas.java

@@ -1,6 +1,7 @@
 package visualiser.model;
 
 
+import javafx.collections.ObservableList;
 import javafx.scene.Node;
 import javafx.scene.image.Image;
 import javafx.scene.paint.Color;
@@ -9,6 +10,7 @@ import javafx.scene.transform.Rotate;
 import network.Messages.Enums.BoatStatusEnum;
 import shared.dataInput.RaceDataSource;
 import shared.model.GPSCoordinate;
+import shared.model.Leg;
 import shared.model.Mark;
 import shared.model.RaceClock;
 
@@ -516,6 +518,17 @@ public class ResizableRaceCanvas extends ResizableCanvas {
 
     }
 
+    /**
+     * draws a transparent line around the course that shows the paths boats must travel
+     */
+    public void drawRaceLine(){
+        List<Leg> legs = this.visualiserRace.getLegs();
+
+        for (Leg leg: legs) {
+            //todo calculate and draw line around this leg
+        }
+
+    }
 
     /**
      * Draws the race boundary image onto the canvas.