A working demo.
A basic snake game as an entry to the 140byt.es contest in 136 chars / 138 bytes.
Credit goes to the JS ASCII Logo for the ASCII rendering engine :), and the whole community for the great minifying tips.
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Snake game in 140byt.es
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| function( | |
| a, // The array containing the points of the snake | |
| b, // The next step snake head should move to | |
| c, // The apple position | |
| d, // The size of the level | |
| e // Just declaration | |
| ) { | |
| a.unshift(b); // Move the head of the snake forward | |
| c^a[0]&&a.pop(); // If we don't hit apple, decrement snake tail | |
| for(b=d*d;b--;) // Loop through level | |
| e=[e]+"■ "[!~a.indexOf(b)&b!=c]+["\n"[b%d]]; // Put space or snake(or apple) body, and line end if needed | |
| return~a.indexOf(a[0],1)||e // Return rendered level as string, or a number if game is over | |
| } |
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| function(a,b,c,d,e){a.unshift(b);c^a[0]&&a.pop();for(b=d*d;b--;)e=[e]+"■ "[!~a.indexOf(b)&b!=c]+["\n"[b%d]];return~a.indexOf(a[0],1)||e} |
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| DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
| Version 2, December 2004 | |
| Copyright (C) 2011 Attila Incze <http://atimb.me> | |
| Everyone is permitted to copy and distribute verbatim or modified | |
| copies of this license document, and changing it is allowed as long | |
| as the name is changed. | |
| DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
| TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION | |
| 0. You just DO WHAT THE FUCK YOU WANT TO. |
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| { | |
| "name": "snakeGame", | |
| "description": "A basic snake game rendered in ASCII", | |
| "keywords": [ | |
| "ascii", | |
| "snake", | |
| "game" | |
| ] | |
| } |
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Snake</title> | |
| <style> | |
| #snake { | |
| font-family: "Courier New", monospace; | |
| color: #F0DB4F; | |
| background: #323330; | |
| display: inline-block; | |
| white-space: pre; | |
| line-height: 9px; | |
| font-size: 15px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="snake"></div> | |
| <script> | |
| var snake = | |
| function(a,b,c,d,e){a.unshift(b);c^a[0]&&a.pop();for(b=d*d;b--;)e=[e]+"■ "[!~a.indexOf(b)&b!=c]+["\n"[b%d]];return~a.indexOf(a[0],1)||e}; | |
| (function(){ | |
| var size = 30; | |
| var oldstep, step = -1; | |
| document.onkeydown = function(e) { | |
| var keyCode = (e || window.event).keyCode, | |
| nextstep = [1,size,-1,-size][keyCode-37]; // Bind arrows to change snake direction | |
| step = (nextstep == -oldstep) ? oldstep : nextstep; // Don't enable to turn Pi/2 | |
| } | |
| var center, apple = center = size*(size*.5+.5); // Init apple to middle of level | |
| var f,snakie = (f=function(c,i){return i?f(c,--i).concat(c):[]})(center,5); // Fancy fn to create snakie = [center,center,..] with length = 5 | |
| (function() { | |
| var oldlength = snakie.length, next = (snakie[0]+(oldstep=step)+size*size)%(size*size), | |
| game = snake(snakie, next, apple, size); | |
| if (typeof game === "number") { // Snake hit himself: Print Game Over centered | |
| document.getElementById( "snake" ).innerHTML += (f=function(i){return i?f(--i)+" ":""})(size*.5-5) + "Game Over"; | |
| } else { | |
| document.getElementById( "snake" ).innerHTML = game; // Print the level | |
| setTimeout(arguments.callee, 100); // loop the game | |
| } | |
| if (snakie.length !== oldlength) { | |
| while (~snakie.indexOf(apple)) { | |
| apple = Math.floor(Math.random()*size*size); // reposition apple, if it was consumed | |
| } | |
| } | |
| })(); | |
| })(); | |
| </script> | |
| </body> |
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it looks like there's a tiny bug. if you move the snake to the right off the screen, it will appear on the other side one square down. was this on purpose maybe?