28
\$\begingroup\$

Everyone's been freaking out about that stupid "Flappy Bird" game being removed. So, your task is to crate a Flappy Bird Clone game. Its really simple. Here are the guide lines:

  • It can use either ascii art or real images
  • You can make your "bird" flap with either a click or a key press
  • It should try to be as short as possible, hence the tag.

Here's an example: http://www.reddit.com/r/learnprogramming/comments/1xiimx/i_couldnt_sleep_so_i_cloned_your_flappy_bird/

In order to be a "Flappy Bird Clone," your game needs to have the following:

  • A bird, or other character
  • The "bird" should move slightly up when a key is pressed or you click/tap
  • If there is no clicking/tapping/etc, the "bird" should rapidly move downwards
  • Pipes or other obstacles should move leftwards on the screen, creating the illusion that the bird is moving
  • The pipes should have a small gap for the bird to fly through.
  • Every time you pass through a gap between pipes, your score increases by 1.
  • If you hit a pipe or the ground, the game ends and your score is displayed.

It doesn't really need to be a "bird" or a "pipe," it can all be ascii. Here's a very minimal example of a flappy bird screen:

/-----[4]-----\
| ||      ||  |
| ||      ¯¯  |
| ||  O>      |
| ¯¯      __  |
| __      ||  |
| ||      ||  |
\-------------/
\$\endgroup\$
7
  • 3
    \$\begingroup\$ A question should ideally be self-contained, and should certainly contain at least a broad-brush spec. \$\endgroup\$ Feb 12, 2014 at 16:38
  • 3
    \$\begingroup\$ As it stands, there appears to be a little too much subjectivity in what's considered a valid submission \$\endgroup\$
    – Cruncher
    Feb 12, 2014 at 16:50
  • 2
    \$\begingroup\$ There. I put some guidelines as to makes up a "flappy bird clone" \$\endgroup\$
    – Taconut
    Feb 12, 2014 at 20:28
  • \$\begingroup\$ I did this a couple weeks ago. Maybe I'll golf it when I get some time: cwhart.co/nyanpybird \$\endgroup\$
    – Shmiddty
    Feb 18, 2014 at 17:46
  • 1
    \$\begingroup\$ I really really want to see an ASCII art version! \$\endgroup\$
    – Robin
    Mar 5, 2014 at 0:13

6 Answers 6

23
\$\begingroup\$

Javascript + jQuery (997)

Tested on Chrome 32, Firefox 27, IE9

Open Console (F12) from this page and copy/paste the following code.

scroll(0,0);h=1/30;p=[];r=320;n=0;w=80;f=2.5;o=80;t=setInterval;$('#question').children().hide().end().append('<p id="m"></p>').append('<p id="s"></p>').click(function(){v=100});$('#s').css({position:'relative',margin:'auto',border:'2px solid',width:200,height:r}).append('<img id="b" src="//i.imgur.com/4w6Vgud.gif"/>');$('<style>.p{width:1px;border:1px solid;position:absolute}</style>').appendTo('head');function u(){$('#m').text('score '+m+' (max '+n+')')}function i(){x=r/2;v=0;m=0;p.length=0;u()}i();t("v-=h*100;x+=h*v;if(x<0||x>r)i();$('.p').remove();for(j=0;j<p.length;j++){p[j].r+=h*w;if(p[j].r>200){p.shift();j--;m++;if(m>n)n=m;u();}else if((p[j].r>165&&p[j].r<185)&&(x<p[j].h||x>p[j].h+o))i();else{$('<div class=p></div>').appendTo('#s').css({bottom:0,right:p[j].r,height:p[j].h});$('<div class=p></div>').appendTo('#s').css({bottom:p[j].h+o,right:p[j].r,height:320-p[j].h-o})}}$('#b').css({position:'absolute',left:0,bottom:x-25})",h*1e3);t("p.push({h:Math.random()*(r-o),r:0})",f*1e3)

enter image description here
The game replace the question block of this page.
You have to click on the game frame to make the bird fly.

Ungolfed and commented version :

$('#question').children().hide();
$('#question').append('<div id="score"></div>');
$('#question').append('<div id="scene"></div>');
$('#scene').css({position:'relative',margin:'auto',border:'2px solid black',width:'200',height:'320'});
$('#scene').append('<img id="bird" src="http://fc01.deviantart.net/fs71/f/2014/037/d/0/pixel_art___flappy_bird_by_hipsterli-d75dkyr.gif"></img>');
$('#bird').css({display:'block',position:'absolute',left:0,'pointer-events':'none',margin:'0 auto'});
$(window).scrollTop(0);

//CONFIGURATION
var dt=1/30,      //delta timestep (typically 30Hz)
    pipevel=80,   //pipe velocity (in pixels per second)
    pipefreq=2.5, //pipe spawn frequency (in second)
    holesize=80,  //hole size (in pixels)
    gravity=-100, //gravity (in pixels per square second)
    punchvel=100; //velocity punch when clicked (in pixels per second)

var x, y, pipes=[], roof=$('#scene').height(), score, maxscore=0;

function updateScore() {
  $('#score').text('Score : '+score+' (max : '+maxscore+')');
}

function init() {
  x=roof/2; //position
  v=0; //velocity
  score=0;
  pipes.length=0;

  updateScore();
}

function step() {
  //euler integration
  v+=dt*gravity;
  x+=dt*v;

  if (x<0 || x>roof)  init();

  //pipes
  $('.pipe').remove();
  for (i=0; i<pipes.length; i++) {
    pipes[i].rightpos += dt*pipevel;
    if (pipes[i].rightpos > 200) {
      pipes.shift();
      i--;
      score++;
      if (score>maxscore) maxscore=score;
      updateScore();
    } else if ((pipes[i].rightpos > 165 && pipes[i].rightpos < 185) && (x < pipes[i].holepos || x > pipes[i].holepos+holesize)) {
      //collision
      init();
    } else {
      $('#scene').append('<div class="pipe" style="background-color:#000; width:1px;border:1px solid #000; position:absolute; bottom:0; right:'+Math.floor(pipes[i].rightpos)+'px; height:'+pipes[i].holepos+'px"></div>');
      $('#scene').append('<div class="pipe" style="background-color:#000; width:1px;border:1px solid #000; position:absolute; bottom:'+(pipes[i].holepos+holesize)+'; right:'+Math.floor(pipes[i].rightpos)+'px; height:'+(320-(pipes[i].holepos+holesize))+'px"></div>');
    }
  }

  $('#bird').css({bottom:Math.floor(x)-25});

  setTimeout(step, dt*1000);
}

$('#question').click(function() {
  v=punchvel;
});

function addPipe() {
  pipes.push({holepos:Math.random()*(roof-holesize),rightpos:0});
  setTimeout(addPipe, pipefreq*1000);
}

init();
setTimeout(step, dt*1000);
setTimeout(addPipe, pipefreq*1000);

You can easily modify the configuration (gravity, pipe velocity...), have a look at commented version.

\$\endgroup\$
14
  • 1
    \$\begingroup\$ Works fine in Firefox 27 as well. Nicely done +1 \$\endgroup\$ Feb 13, 2014 at 13:36
  • \$\begingroup\$ Thanks, works on IE9 too, so I guess it works on any decent browser :) \$\endgroup\$
    – Michael M.
    Feb 13, 2014 at 14:11
  • \$\begingroup\$ nice work :) and like usual on javascript here abusing the question as target :P \$\endgroup\$
    – masterX244
    Feb 13, 2014 at 16:12
  • 1
    \$\begingroup\$ With the current control scheme, it's too easy to accidentally misclick and then not be able to fall far enough to get to the next hole (and then being unable to do anything about it). \$\endgroup\$
    – Joe Z.
    Feb 14, 2014 at 16:53
  • 1
    \$\begingroup\$ What I'm saying is that it's too easy to misclick somewhere in the middle, and it's also too hard to click properly because your punch always sets you to the same initial velocity regardless of how fast you've already gone down. \$\endgroup\$
    – Joe Z.
    Feb 14, 2014 at 19:05
16
\$\begingroup\$

Javascript+jQuery (ASCII Art) - 571 524 491 464

l=$('[id$=52] h4~pre').click(()=>{m=1}),o=[],d=0,e=4,m=1;setInterval(()=>{t=Array(153);s=~~(d/10-0.99);d++;d%10?0:o[d+20]=~~(Math.random()*5)+1;for(i=-1;k=o[i+d],i<17;i++)if(k--)for(j=-1;c=j==k||j-k==4?'-':j-k>0&&j-k<4?0:'|',j<9;j++)i>-1?t[j*17+i]=c:0,i<16?t[j*17+i+1]=c:0;m-=.2;e-=m;if(e<0||e>10||t[~~e*17+8])e=4,m=1,d=0,o=[];t[~~e*17+8]='>';r='|-------['+s+']-------';for(i=0;z=t[i]||' ',i<153;i++)i%17?r+=z:r+='|\n|'+z;r+='|\n|-----------------|';l.html(r);},150)

Demo

Open the dev tools console (F12) and run the above code in this page to use the below demo (right now, go ahead!):

|-------[5]-------|
|    ||        -- |
|    ||           |
|    ||           |
|    --           |
|              -- |
|              || |
|              || |
|    --  >     || |
|    ||        || |
|-----------------|

Known minor bugs:

  • If you get a double-digit score, it messes up the layout

  • It is NOT easy!!! (but the original wasn't either)

  • There's a tradeoff between efficiency and golfedness

Feel free to comment with your highscore.

Also, this is my first Code Golf post, so suggestions on compression, etc. will be welcomed

\$\endgroup\$
5
  • 1
    \$\begingroup\$ You can remove var keyword and variable declaration. You can also replace Array(153) by [] and probably can replace ~~(Math.random()*5)+1 by 1+new Date%5 \$\endgroup\$
    – Michael M.
    Mar 9, 2014 at 9:35
  • \$\begingroup\$ If you ignore the layout, skip jQuery and add the HTML it is 416 bytes: jsbin.com/flap/1/edit?html,output \$\endgroup\$
    – aemkei
    Apr 24, 2014 at 21:04
  • 1
    \$\begingroup\$ Scored 17. I have no life, I know. \$\endgroup\$ Jul 29, 2018 at 15:46
  • \$\begingroup\$ Known_minor_bugs += "irritating, unwanted and distracting text selections when double clicking"; \$\endgroup\$ Jul 29, 2018 at 15:49
  • \$\begingroup\$ This is apparently really addicting for some reason. I got a 19 \$\endgroup\$
    – fwoosh
    Aug 7, 2021 at 17:32
6
\$\begingroup\$

Floppy Dragon, JavaScript, 1024b

I'm making this game for the current js1k compo ( http://js1k.com )

Play: http://js1k.com/2014-dragons/demo/1704

_='c.scale(,    ;ontouchH=onmousedown=onkeydowif(e){    }else h=45,d=1};(Eq";Rect(0,0,^,^9Q"-k,0Q+N),0()-k,2E3980-(+3)N(+3)),Y(p="fEFf&{{~_=,;=vviJ.jfVi/.OoyizyhkhEwf74)\\n$fwwuvtU`"+(10<h?"iZ[*)yj:*im**y|Ktdww54#5Dy\\iz[Kzi[Jiijk[e@1!":"zl]LfU{\\lKtBUh{zzU66iigig5\\n&iiyz{vfwwiyDfwiiE"0"v=i-e,w=(j-=h)-eG in p)y=8>>4),z=16&15),Iv+=e?y:z,w+=e?-z:y(dW(h-=6dW!eW(k+=Q,^<kW(k-=^)!dXeX(k+280)%8X(f++,Q<lWl--if(q>jX9q<jX!((k+3)%8)W(j<qXj>2q))e=40;fff";c.font="6em Arial";dWf1,5dX"#FloppyDragon"11,5eW"score"4,4e?"reH":d?"":"H"5,6setTimeout(n,l)})()I40*o-k,a.width/()/2-30*    d=e=f=h=0;g=[];G=0;Y>o;o++)=g[o+Y]=8*Math.random()|0;i=j=3;k=Q;l=qc.fill;c.beginPath(c.moveTo(Style="#G=2E3;o--;)o%Q?,a.height/Y1*g[Q*~~(k/8)+Q]+);g[o]-2*(p.charCodeAt(o)Text(00n=function(){4*):(,1*Gfor(oHstartIc.lineTo(N),-4,1*Q20W&&X||Y1E3^4E4q50';for(Y in $='q^YXWQNIHG    ')with(_.split($[Y]))_=join(pop());eval(_)

All feedbacks and new ideas are welcome!

\$\endgroup\$
4
  • \$\begingroup\$ This is even harder than Flappy Bird. It would be easier to play if you made a keypress trigger the flap action, but I realize this is code golf and more features means more code. \$\endgroup\$
    – danmcardle
    Feb 18, 2014 at 18:55
  • \$\begingroup\$ no it's okay, I can try to add keypress support if you think it's useful... \$\endgroup\$
    – xem
    Feb 18, 2014 at 19:50
  • \$\begingroup\$ @crazedgremlin keypress control was added in the latest version ;) \$\endgroup\$
    – xem
    Feb 23, 2014 at 10:17
  • \$\begingroup\$ Cool! I can't get past 10, but it's still cool. \$\endgroup\$
    – danmcardle
    Feb 23, 2014 at 22:44
4
\$\begingroup\$

Color Animation and Physics; Pure JavaScript, 457 (335) bytes

This is my first post in this forum; I made this code and retrospectively found this thread to post it in.
Here's the code encapsulated in HTML, ready to be copy/pasted in to an html file:

<body><script>A=120;B=280;d=document;y=180;x=v=n=s=0;f=140;c=d.createElement('canvas');p=c.getContext('2d');c.width=B;c.height=400;c.onclick=()=>{v-=6};p.font='50px Arial';d.body.appendChild(c);r=(h,t,k=0,i='#0f0',w=40)=>{p.fillStyle=i;p.fillRect(h,k,w,t)};b=setInterval(()=>{if(x==0){n=f;f=Math.floor(B*Math.random());x=160}x--;v+=.1;y+=v;r(0,400,0,'#08f',B);r(20,40,y,'#fc0');r(x-40,n);r(x+A,f);r(x-40,B-n,n+A);r(x+A,B-f,f+A);if(x==60)s++;p.strokeText(s,A,80);if(x>20&&x<100&&(y<n||y>n+80)){clearInterval(b);location.reload()}},15)</script><br>Made by Thomas Kaldahl</body>

It has pixel perfect collisions, accurate quadratic physics, and smooth color animations, all in 457 bytes worth of purely independent offline Javascript code, shown ungolfed here in greater detail and explanation:

<!--entire HTML shell is omitted in golf-->
<body>
    <script>
        //common numbers and the document are assigned shortcut letters
        A = 120;
        B = 280;
        d = document;

        y = 180; //y position of the top of the bird
        x = //x position of scrolling for pipes
        v = //vertical velocity of bird
        n = //y position of the top of the nearest pipe opening
        s = 0; //score
        f = 140; //y position of the top of the farther pipe opening
        c = d.createElement('canvas'); //canvas
        p = c.getContext('2d'); //canvas context
        //set canvas dimensions
        c.width = B;
        c.height = 400;

        c.onclick = () => { v -= 6 }; //apply jump velocity to bird when clicked
        p.font = '50px Arial'; //font for scoring (omitted in golf)
        d.body.appendChild(c); //add canvas to html page
        //draw a rectangle on the canvas
        r = (h, t, k = 0, i = '#0f0', w = 40) => {
            p.fillStyle = i;
            p.fillRect(h, k, w, t)
        };
        //main loop (not assigned to b in golf)
        b = setInterval( () => {
            if (x == 0) { //the x position is a countdown. when it hits 0:
                n = f; //the far pipe is now the near pipe, overwriting the old near pipe
                f = B * Math.random() //assign the far pipe a new vertical location
                x = 160; //restart the countdown back at 160
                //(score increments here in golf)
            }
            x--; //count down
            v += .1; // apply gravity to velocity
            y += v; // apply velocity to bird
            r(0, 400, 0, '#08f', B); //draw background
            r(20, 40, y, '#fc0'); //draw bird (non-default color is omitted in golf)
            r(x - 40, n); //draw first pipe upper half
            r(x + A, f); //draw second pipe upper half
            r(x - 40, B - n, n + A); //draw first pipe lower half
            r(x + A, B - f, f + A); //draw second pipe lower half
            if (x == 60)
                s++; //(this is done earlier on golf)
            p.strokeText(s, A, 80); //draw score
            // if the bird is in range of the pipes horizontally,
            // and is not in between the pipes,
            if (x > 20 && x < 100 && (y < n || y > n + 80)) {
                clearInterval(b); location.reload() //omit interval clear in golf
            }
        }, 15) //(reduced the frame delay to 9, a 1 digit number, in golf)
    </script><br>
    Made by Thomas Kaldahl <!-- GG -->
</body>

For fun, here's a 1066 byte version with fancier graphics:

<body style='margin:0'><script>var y=180,x=v=n=s=0,f=140,c=document.createElement('canvas'),p=c.getContext('2d');c.width=280;c.height=400;c.onclick=function(){v-=6};c.style='width:68vh;height:97vh';document.body.appendChild(c);p.font="50px Arial";p.shadowColor='#444';p.shadowBlur=9;p.shadowOffsetX=p.shadowOffsetY=5;function r(h,t,k=0,i='#0f0',j='#0a0',u=0,l=0,w=40){var g=p.createLinearGradient(h,l,h+40,u);g.addColorStop(0,i);g.addColorStop(1,j);p.fillStyle=g;p.fillRect(h,k,w,t);}b=setInterval(function(){if(x==0){n=f;f=Math.floor(280*Math.random());}x=x==0?159:x-1;v+=.1;y+=v;r(0,400,0,'#08c','#0cf',280,0,280);r(20,40,y,'#ff0','#fa0',y+40,y);r(x-40,n);r(x-50,20,n-20,'#0f0','#0a0',n+20,n,60);r(x+120,f);r(x+110,20,f-20,'#0f0','#0a0',f+20,f,60);r(x-40,280-n,n+120);r(x-50,20,n+120,'#0f0','#0a0',n+140,n+100,60);r(x+120,280-f,f+120);r(x+110,20,f+120,'#0f0','#0a0',f+140,f+100,60);if(x==60){s++;}p.fillStyle='#fff';p.fillText(s,120,80);if(x>20&&x<100&&(y<n||y>n+80)||y<0||y>360){clearInterval(b);location.reload();}},15);</script><br>Made by Thomas Kaldahl</body>

Also, is it cheating to use a compression system like DEFLATE?
Below is the ASCII85 code for a DEFLATEd version of the code:
By the way, compressed it is 335 bytes total.

Gapon95_Wi'Kf'c(i##6'h,+cM\JZeFO<h;$W'#A1',RqNigBH02C'#R$m]<i<X#6GR`2pE<Ri5mu-n%cVPrsJe:*R^pnr9bI@[DAZnPP02A^!.$MN/@`U7l5gm!!Vr4>A;P?u[Pk8]jCnOP%dIu?`fWql>"tuO4/KbIWgK;7/iJN'f2,hnFg8e.^SO*t\*`,3JBn6j(f`O#],M0;5Sa35Zc@*XaBs@N%]k\M76qa[.ie7n(^*Z5G-lfhUZ3F#'%,X17Pj1u]L)LjpO6XbIl%N3tJhTsab8oV1T(?MC$9mT;90VMmnfBNKEY(^'UV4c?SW':X(!4,*WCY+f;19eQ?`FK0I"(uDe:f&XV&^Rc+'SWRIbd8Lj9bG.l(MRUc1G8HoUsn#H\V(8"Y$/TT(^kATb(OreGfWH7uIf

\$\endgroup\$
3
  • \$\begingroup\$ This looks great, but unfortunately for codr-golf questions we require golfed code. \$\endgroup\$ Jun 22, 2018 at 5:28
  • 3
    \$\begingroup\$ @NoOneIsHere please read the post and view the golfed code for yourself \$\endgroup\$
    – ei2
    Jun 22, 2018 at 5:49
  • \$\begingroup\$ I'm sorry, I see now. This is a great answer. \$\endgroup\$ Jun 22, 2018 at 12:34
4
\$\begingroup\$

C, 386 351 347 341 bytes (Windows, MinGW), 332 with a terminal emulator

enter image description here

Certainly not the prettiest entry, but it captures the core mechanics of flappy bird: The bird accelerates downwards, pressing a key makes him jump up, touching the pipes or the edges of the screen ends the game, score is the number of cleared pipes.

#import<windows.h>
#define T(x)P[v*10+x]=
char P[71];X,Y,W,s;main(v){srand(time(0));for(float y=1,t=0;!(v<0|v>6|(v<Y|v>=Y+W)&X>0&X<3);Sleep(99)){y+=t=kbhit()?getch(),-.9:t+.3;--X<0?X=8,Y=rand()%3+1,W=rand()%2+2:X-1||++s;memset(P,32,70);for(v=0;v<7;T(9)10,T(X)v<Y|v++>=Y+W?35:32);v=y;T(1)79;T(2)62;system("cls");printf("%s\nSCORE: %d",P,s);}}

It can be shortened to 333 bytes, if a POSIX terminal emulator is used (like Cmder):

#import<windows.h>
#define T(x)P[v*10+x]=
char P[71];X,Y,W,s;main(v){srand(time(0));for(float y=1,t=0;!(v<0|v>6|(v<Y|v>=Y+W)&X>0&X<3);Sleep(99)){y+=t=kbhit()?getch(),-.9:t+.3;--X<0?X=8,Y=rand()%3+1,W=rand()%2+2:X-1||++s;memset(P,32,70);for(v=0;v<7;T(9)10,T(X)v<Y|v++>=Y+W?35:32);v=y;T(1)79;T(2)62;printf("\033c%s\nSCORE: %d",P,s);}}
\$\endgroup\$
2
\$\begingroup\$

Objective C - ungolfed

Possibly the worst code I have ever written.

Hacky Bird Running

You can download the binary here: AsciiBird Download Binary

Tap the control key frantically to keep the bird in the air!

This was compiled by Xcode and run in Terminal. It has colors! Protip: Resize your terminal's window so you don't see a backlog of screen refreshes.

main.m:

#import <Foundation/Foundation.h>
#import "ABManager.h"

void drawScreen(int counter)
{
    __block struct ABPoint thisPoint;
    thisPoint.x = 0;
    thisPoint.y = 0;

    __block ABManager *man = [ABManager sharedManager];
    [man.screen enumerateObjectsUsingBlock:^(NSString *c, NSUInteger idx, BOOL *stop)
     {
         NSString *c2 = c;
         NSMutableArray *newObstacles = [[NSMutableArray alloc] init];
         for (NSValue *s in man.obstacles)
         {
             struct ABPoint o;
             [s getValue:&o];

             if (thisPoint.x == o.x)
             {
                 if (thisPoint.y != o.y && thisPoint.y != (o.y + 1) && thisPoint.y != (o.y - 1))
                 {
                     c2 = @"\033[1;33m|\033[0m";
                 }
                 else
                 {
                     if (counter == 0 && thisPoint.y < o.y)
                     {
                         o.x = o.x - 1;

                         if (o.x < 0)
                         {
                             o.x = 49;
                             o.y = (arc4random() % 11) + 1;
                         }

                         if (man.charPos.x == o.x)
                         {
                             man.score = man.score + 1;
                         }
                     }
                 }
             }
             [newObstacles addObject:[NSValue valueWithBytes:&o objCType:@encode(struct ABPoint)]];
         }

         man.obstacles = [[NSMutableArray alloc] initWithArray: newObstacles];


         if (thisPoint.x == man.charPos.x && thisPoint.y == man.charPos.y)
         {
             printf("\033[1;35m>\033[0m");

             if ([c2 isEqualToString:@"\033[1;33m|\033[0m"])
             {
                 man.shouldExit = TRUE;
             }
         }
         else
         {
             printf("%s", [c2 UTF8String]);
         }

         if (idx % 50 == 49)
         {
             printf("\n");
             thisPoint.y = thisPoint.y + 1;
             thisPoint.x = 0;
         }
         else
         {
             thisPoint.x = thisPoint.x + 1;
         }
     }];
}

int main(int argc, const char * argv[])
{

    @autoreleasepool {

        ABManager *man = [ABManager sharedManager];
        int count = 0;
        BOOL ignoreKeypress = FALSE;
        while (TRUE)
        {
            if (CGEventSourceKeyState(kCGEventSourceStateCombinedSessionState,59) && !ignoreKeypress)
            {
                ignoreKeypress = TRUE;
                struct ABPoint p = man.charPos;
                p.y = p.y - 2;
                man.charPos = p;
            }
            else
            {
                ignoreKeypress = CGEventSourceKeyState(kCGEventSourceStateCombinedSessionState,59);

                if (count > 3)
                {
                    count = 0;
                    struct ABPoint p = man.charPos;
                    p.y = p.y + 1;
                    man.charPos = p;
                }
                else
                {
                    count = count + 1;
                }
            }

            if (man.charPos.y < -1 || man.charPos.y > 11 || man.shouldExit)
            {
                exit(1);
            }

            printf("\n\n\n\n\n");
            printf("\033[1;36m[\033[0m\033[1;30mHacky Bird\033[0m\033[1;36m]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\033[0m\n");
            drawScreen(count);
            printf("\033[1;32m[\033[0m\033[1;31mScore: %li\033[0m\033[1;32m]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\033[0m\n", (long)man.score);

            [NSThread sleepForTimeInterval:0.0157];
        }

    }
}

ABManager.h

#import <Foundation/Foundation.h>
#import <CoreGraphics/CoreGraphics.h>

struct ABPoint {
    NSInteger x;
    NSInteger y;
};

@interface ABManager : NSObject
{

}

@property (nonatomic, readwrite) NSMutableArray *screen;
@property (nonatomic, readwrite) NSMutableArray *obstacles;
@property (nonatomic, readwrite) struct ABPoint charPos;
@property (nonatomic, readwrite) NSInteger score;
@property (nonatomic, readwrite) BOOL shouldExit;;

+ (id)sharedManager;

@end

ABManager.m

#import "ABManager.h"

@implementation ABManager
+ (id)sharedManager {
    static ABManager *sharedMyManager = nil;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        sharedMyManager = [[self alloc] init];
    });
    return sharedMyManager;
}

- (id)init
{
    if (self = [super init]) {

        self.screen = [[NSMutableArray alloc] init];
        for (NSUInteger i=0; i < 600; i++)
        {
            [self.screen addObject:@" "];
        }

        self.score = 0;

        self.shouldExit = FALSE;

        struct ABPoint p;
        p.x = 5;
        p.y = 0;

        self.charPos = p;

        struct ABPoint o;
        o.x = 10;
        o.y = 5;

        struct ABPoint o2;
        o2.x = 30;
        o2.y = 5;

        self.obstacles = [[NSMutableArray alloc] initWithArray:@[[NSValue valueWithBytes:&o objCType:@encode(struct ABPoint)],[NSValue valueWithBytes:&o2 objCType:@encode(struct ABPoint)]]];
    }

    return self;
}

@end
\$\endgroup\$

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