Fixed sails so they behave correctly

- Changed sail angle calculations back
- Luffing currently displays no sail as a temporary representation of sails in

#story[1098]

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

@@ -328,31 +328,29 @@ public class ResizableRaceCanvas extends ResizableCanvas {
         double sailRotateAngle; // required rotation for correct sail display
         Image sailImage;
 
+        // remove when method is finished
+        sailRotateAngle = 0;
+        sailImage = null;
+
         gc.save();
-        // right half of points of sail
-        if (boatBearing < 180) {
+        if (ThisBoat.getInstance().isSailsOut()) {
+            if (boatBearing < 180) {    // right half of points of sail
                 sailImage = sailsRight;
-            sailRotateAngle = boatBearing;    // math
+                sailRotateAngle = boatBearing * 0.5;    // math
                 xPos -= 1;  // right align to boat edge on canvas
                 //            System.out.println("right side -- boat: " + boatBearing +
                 //                    "|| rotate: " + sailRotateAngle);
             }
-        // left half of points of sail
-        else {
+            else {  // left half of points of sail
                 sailImage = sailsLeft;
-            sailRotateAngle = -(360 - boatBearing);   // math
+                sailRotateAngle = -(360 - boatBearing) * 0.5;   // math
                 xPos -= 5;  // left align to boat edge on canvas
                 //            System.out.println("left side -- boat: " + boatBearing +
                 //                    "|| rotate: " + sailRotateAngle);
             }
-
-        // Change the angle of the sail if the sail is out
-        if (ThisBoat.getInstance().isSailsOut()) {
-            if (boatBearing < 180) {
-                sailRotateAngle -= 90;
-            } else {
-                sailRotateAngle += 90;
         }
+        else {
+//            TODO: display luffing sail
         }
 
         // rotate sails based on boats current heading