%drunkensailor
%Darvell Powell
 
 %Clear data and command window, standard procedure...
 
 clear
 
%Constant Probability

p=input('Please enter a probability from 0.00 to 1.00 '); %0.50
while p>1.00
    
        p=input('please enter a probability frop 0.00 to 1.00  ');
end
%Number of steps nessesary
n=20;
 
%Range for planks (y values)
ya=[0:n:n]; %Length of (steps)
 
%inital position of sailor is
%(5,-3)
x = 5;
y = -2;
steps = 0;
dead = 0;
 
%setup parameters for our movie..
reruns=1;                  % number of times movie is to play
fps=2;                     % frames per second
 
nframes = 15;              % number of frames in the movie
Frames = moviein(nframes); % initialize the matrix 'Frames'
 
 
 
 
 
%movement of sailor
while steps < n 
    
      steps = steps + 1
      r = rand;
      r = r + p;
      
      if r >= 0.75                        % 60% chance of going straight
         y = y + 2;
      elseif r <= 0.45    % 20% chance of going right
         y = y + 2;  
         x = x + 2;
      else
           
         y = y + 2; 
         x = x - 2;  
      end
      if x>11
          disp('o help me i am dying, i need 20 pts on this assignment')
          break
      else
          if x<-1
              disp('o help me please, i need 20 pts on this assignment')
              break
          else
              if y>=20
          disp('success, congrats you made it but dont drink next time cuz you might not get lucky! for now you get 20 pts')
          load handel
      sound(y,Fs)
          break
              end
              disp('success')
          end
      end
          
      %First plank
      xa=[-1,-1];
      %Second Plank
      xb=[1,1];
      %Third Plank
      xc=[3,3];
      %Fourth Plank
      xd=[5,5];
      %Fifth Plank
      xe=[7,7];
      %Sixth Plank
      xf=[9,9];
      %Seventh Plank
      xg=[11,11];
 
      
      
      %Plot the planks
      plot(xa,ya,'g',xb,ya,'g',xc,ya,'g',xd,ya,'k',xe,ya,'g',xf,ya,'g',xg,ya,'g');
      axis([xa(1)-2, xg(1)+2, ya(1)-3, n+2]);
      hold on

      plot(x,y,'*');
      Frames(:,steps)=getframe;
      hold off
      
      
 end
 
      

%Playback our creation
movie(Frames,reruns,fps)