earch double  = double.empty;    % last step when search was executed over all elements (double to allow inf value)
        
        % Base objects for kinematics
        kinpp_sph      BinKinematics = BinKinematics.empty;   % sphere particle - sphere particle
        kinpw_sph_line BinKinematics = BinKinematics.empty;   % sphere particle - line wall
        kinpw_sph_circ BinKinematics = BinKinematics.empty;   % sphere particle - circle wall
        kinpp_cyl      BinKinematics = BinKinematics.empty;   % c