InitialRandom2.m

% Generates random positions between coordinates and the respective speed
% in m/s for each point
%
% InitialRandom(Number of points to generate, Maximum Speed in Km/hr)
%
% Returns 2 tables of size N x 2
%
% position =        vel =
%    [ x0 y0 ;        [ speed bearing ;
%      x1 y1 ;          speed bearing ;
%      ... ]            ... ]
%
%
function [pos, vel, posAP] = InitialRandom2(N,S, AP)

% coordinates limits
AXIS_LIMIT = 300;
ABSCISSA_LIMIT = 200;

%% positions
pos = [AXIS_LIMIT * rand(N, 1) ABSCISSA_LIMIT * rand(N, 1)];

%draw access point location

if AP == 1
    posAP = [AXIS_LIMIT/2,ABSCISSA_LIMIT/2];
end
if AP == 2
    posAP = [AXIS_LIMIT/4,ABSCISSA_LIMIT/2;
        2*AXIS_LIMIT/4,ABSCISSA_LIMIT/2];
end
%if AP == 3
%  posAP = [AXIS_LIMIT/6,ABSCISSA_LIMIT/2;
%          3*AXIS_LIMIT/6,ABSCISSA_LIMIT/2;
%          5*AXIS_LIMIT/6,ABSCISSA_LIMIT/2];
%end
% triangle version
if AP == 3
    posAP = [60,60;
        240,60;
        150,150;];
end
if AP == 4
    posAP = [AXIS_LIMIT/4,ABSCISSA_LIMIT/4;
        3*AXIS_LIMIT/4,ABSCISSA_LIMIT/4;
        AXIS_LIMIT/4,3*ABSCISSA_LIMIT/4;
        3*AXIS_LIMIT/4,3*ABSCISSA_LIMIT/4;];
end
if AP == 5
    posAP = [AXIS_LIMIT/4,ABSCISSA_LIMIT/4;
        3*AXIS_LIMIT/4,ABSCISSA_LIMIT/4;
        AXIS_LIMIT/4,3*ABSCISSA_LIMIT/4;
        3*AXIS_LIMIT/4,3*ABSCISSA_LIMIT/4;
        AXIS_LIMIT/2,ABSCISSA_LIMIT/2];
end

%% speed and bearing
abs_val = S * rand(N, 1);           % random speed
angle_val = 2 * pi * rand(N, 1);    % random angle
vel = [ abs_val.*cos(angle_val) abs_val.*sin(angle_val) ];