rat throw fix + location sensing fix

engine/src/main/battlecode/common/RobotController.java

@@ -433,15 +433,16 @@ public interface RobotController {
     MapLocation adjacentLocation(Direction dir);
 
     /**
-     * Returns a list of all locations within the given vision cone of a location.
+     * Returns a list of all locations within a distance of a custom center location. 
+     * This will only return locations that are sense-able in the calling robot's vision cone.
      * If radiusSquared is larger than the robot's vision radius, uses the robot's
-     * vision radius instead.
+     * vision radius instead. 
      *
-     * Checks that radiusSquared is non-negative.
+     * Checks that radiusSquared is non-negative. 
      *
-     * @param center        the given location
-     * @param radiusSquared return locations within this distance away from center
-     * @return list of locations on the map and within radiusSquared of center
+     * @param center  the given location
+     * @param radiusSquared square root of the distance distance away from center location
+     * @return list of locations on the map and within radiusSquared squared distance of center
      * @throws GameActionException if the radius is negative (and not -1)
      *
      * @battlecode.doc.costlymethod