function [x y]=traj(A,B,alpha,fps,frames,S0)

%Initialise Parameters
%fps and frames are declared as global variables

t=0:(1/fps):(frames/fps);   %Time points
x_0=S0(1,1);
y_0=S0(1,2);
x=zeros(length(t),1);
y=zeros(length(t),1);

Ax=A(1,1); Ay=A(1,2);
Bx=B(1,1); By=B(1,2);

for n=1:length(t)
    x(n) = x_0 + Ax.*t(n) - ((Bx-Ax)/alpha).*exp(-alpha*t(n)) + ((Bx-Ax)/alpha);   
    y(n) = y_0 + Ay.*t(n) - ((By-Ay)/alpha).*exp(-alpha*t(n)) + ((By-Ay)/alpha);
end;

plot(x,y);