 			_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;

			_thetaStep = value;
		}
		
		public function get phiStep() : Number
		{
			return _phiStep;

		private var _thetaStep			: Number	= 0.01;
		private var _phiStep			: Number	= 0.01;
		
		/**
		 * Distance between look at point and target
		 */		
		public function get distance() : Number
		{
			return _distance;
