Added javadoc to classes.

#story[1097]

racevisionGame/src/main/java/mock/model/commandFactory/TackGybeCommand.java

@@ -6,12 +6,17 @@ import mock.model.VMG;
 import shared.model.Bearing;
 
 /**
- * Created by David on 2/08/2017.
+ * Command class for tacking and gybing
  */
 public class TackGybeCommand implements Command {
     private MockRace race;
     private MockBoat boat;
 
+    /**
+     * Constructor for class
+     * @param race mock race
+     * @param boat mock boat to update
+     */
     public TackGybeCommand(MockRace race, MockBoat boat) {
         this.race = race;
         this.boat = boat;
@@ -39,6 +44,12 @@ public class TackGybeCommand implements Command {
         }
     }
 
+    /**
+     * Method to calculate smallest angle between 2 angles
+     * @param degreeA first angle degree
+     * @param degreeB second angle degree
+     * @return the calculated smallest angle
+     */
     public double calcDistance(double degreeA, double degreeB){
         double phi = Math.abs(degreeB - degreeA) % 360;
         double distance = phi > 180 ? 360 - phi : phi;