simpler expression

examples/src/OpenDis7Examples/EspduSender.java

@@ -217,7 +217,7 @@ public class EspduSender
 				// The x and y values will change, but the z value should not.
 				//lon = lon + (double)((double)idx / 100000.0);
 				//System.out.println("lla=" + lat + "," + lon + ", 0.0");
-				double direction = Math.pow(-1.0, (index));
+				double direction = Math.pow(-1.0, index);
 				longitude = longitude + (direction * 0.00006);
 
 				double disCoordinates[] = CoordinateConversions.getXYZfromLatLonDegrees(latitude, longitude, 1.0);