 			_distance = value;
 		}
 		
+		/**
+		 * Horizontal rotation angle (in radians)
+		 */		
 		public function get theta() : Number
 		{
 			return _theta;

			_minDistance = value;
		}
		
		public function get maxDistance() : Number
		{
			return _maxDistance;

			_maxDistance = value;
		}
		
		/**
		 * Distance step applied to the camera when the mouse wheel is used in meters/wheel rotation unit
		 */		
		public function get distanceStep() : Number
		{
			return _distanceStep;
