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html_snake.html
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html_snake.html
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<!doctype html>
<html>
<head>
<style ="text/css">
//#display{position:absolute; left:20%;top:20%;}
td{width:25px; height: 25px;background-color: #000000;}
.direction{width:95px; height:95px; font-size: 64px;
background-color:#000000;color:#FFFFFF;
text-align: center; vertical-align: middle;}
#emptySpace{background-color: #FFFFFF;}
</style>
<script type = "text/javascript">
var tile = new Array(10);
var direction = 0;
/*0 = right, 1 = up, 2 = left, 3 = down*/
var firstTime = 1;
var refresh = 0;
var movement = 0;
var headRow = 6;
var headCol = 6;
var length = 1;
var gridHeight = 11;
var gridWidth = 11;
function newGame(){
gameOver();
startingPoints();
}
function startingPoints(){
document.getElementById("notification").innerHTML = "";
headRow = 5;
headCol = 5;
length = 1;
direction = 0;
for(var itt = 0; itt < gridWidth; itt++){
tile[itt] = new Array(gridHeight);
}
var row = 0;
var col = 0;
for(row = 0; row <gridHeight; row++){
for(col = 0; col<gridWidth; col++){
if(col == headRow && row == headCol){
tile[row][col] = 1;
}else{
tile[row][col] = 0;
}
}
}
newFood();
draw();
start();
}
function start(){
refresh = setInterval(function(){draw()}, 60);
movement = setInterval(function(){move()}, 300);
}
function draw(){
var row = 0;
var col = 0;
for(row = 0; row <gridHeight; row++){
for(col = 0; col<gridWidth; col++){
var curr = document.getElementById(row*gridHeight+col);
if(tile[row][col] >0){
if(col == headCol && row == headRow){
curr.style.backgroundColor = "#FFD809";
}else{
curr.style.backgroundColor = "#FF0000";
}
}else if(tile[row][col] == -1){
curr.style.backgroundColor = "#00FF00";
}else{
curr.style.backgroundColor = "#000000";
}
}
}
document.getElementById("score").innerHTML = "Score: " + length;
}
function move(){
var row = 0;
var col = 0;
for(row = 0; row <gridHeight; row++){
for(col = 0; col<gridWidth; col++){
if(tile[row][col] > 0){
tile[row][col]--;
}
}
}
if(direction == 0){
if(headCol == gridWidth-1){
headCol = 0;
}else{
headCol++;
}
}else if(direction == 1){
if(headRow == 0){
headRow = gridHeight-1;
}else{
headRow--;
}
}else if(direction == 2){
if(headCol == 0){
headCol = gridWidth-1;
}else{
headCol--;
}
}else if(direction == 3){
if(headRow == gridHeight-1){
headRow = 0;
}else{
headRow++;
}
}
if(tile[headRow][headCol] > 0){
gameOver();
}
if(tile[headRow][headCol] == -1){
feed();
}
tile[headRow][headCol] = length;
}
function feed(){
for(var row = 0; row <gridHeight; row++){
for(var col = 0; col<gridWidth; col++){
if(tile[row][col] > 0){
tile[row][col]++;
}
}
}
length++
newFood();
}
function newFood(){
do{
var newRow = Math.floor(Math.random()*gridHeight);
var newCol = Math.floor(Math.random()*gridWidth);
}while(tile[newRow][newCol] != 0);
tile[newRow][newCol] = -1;
}
function gameOver(){
clearInterval(refresh);
clearInterval(movement);
document.getElementById("notification").innerHTML = "GAME OVER";
}
function changeDirection(e){
var keychar = e.which;
if(keychar == 68){
direction = 0;
}else if(keychar == 87){
direction = 1;
}else if(keychar == 65){
direction = 2;
}else if(keychar == 83){
direction = 3;
}else if(keychar == 82){
newGame();
}
}
function redirect(dir){
direction = dir;
}
</script>
</head>
<body onload = "startingPoints()" onkeydown = "changeDirection(event)">
<table id = "display" border ="1">
<tr>
<td id = "0"></td>
<td id = "1"></td>
<td id = "2"></td>
<td id = "3"></td>
<td id = "4"></td>
<td id = "5"></td>
<td id = "6"></td>
<td id = "7"></td>
<td id = "8"></td>
<td id = "9"></td>
<td id = "10"></td>
</tr>
<tr>
<td id = "11"></td>
<td id = "12"></td>
<td id = "13"></td>
<td id = "14"></td>
<td id = "15"></td>
<td id = "16"></td>
<td id = "17"></td>
<td id = "18"></td>
<td id = "19"></td>
<td id = "20"></td>
<td id = "21"></td>
</tr>
<tr>
<td id = "22"></td>
<td id = "23"></td>
<td id = "24"></td>
<td id = "25"></td>
<td id = "26"></td>
<td id = "27"></td>
<td id = "28"></td>
<td id = "29"></td>
<td id = "30"></td>
<td id = "31"></td>
<td id = "32"></td>
</tr>
<tr>
<td id = "33"></td>
<td id = "34"></td>
<td id = "35"></td>
<td id = "36"></td>
<td id = "37"></td>
<td id = "38"></td>
<td id = "39"></td>
<td id = "40"></td>
<td id = "41"></td>
<td id = "42"></td>
<td id = "43"></td>
</tr>
<tr>
<td id = "44"></td>
<td id = "45"></td>
<td id = "46"></td>
<td id = "47"></td>
<td id = "48"></td>
<td id = "49"></td>
<td id = "50"></td>
<td id = "51"></td>
<td id = "52"></td>
<td id = "53"></td>
<td id = "54"></td>
</tr>
<tr>
<td id = "55"></td>
<td id = "56"></td>
<td id = "57"></td>
<td id = "58"></td>
<td id = "59"></td>
<td id = "60"></td>
<td id = "61"></td>
<td id = "62"></td>
<td id = "63"></td>
<td id = "64"></td>
<td id = "65"></td>
</tr>
<tr>
<td id = "66"></td>
<td id = "67"></td>
<td id = "68"></td>
<td id = "69"></td>
<td id = "70"></td>
<td id = "71"></td>
<td id = "72"></td>
<td id = "73"></td>
<td id = "74"></td>
<td id = "75"></td>
<td id = "76"></td>
</tr>
<tr>
<td id = "77"></td>
<td id = "78"></td>
<td id = "79"></td>
<td id = "80"></td>
<td id = "81"></td>
<td id = "82"></td>
<td id = "83"></td>
<td id = "84"></td>
<td id = "85"></td>
<td id = "86"></td>
<td id = "87"></td>
</tr>
<tr>
<td id = "88"></td>
<td id = "89"></td>
<td id = "90"></td>
<td id = "91"></td>
<td id = "92"></td>
<td id = "93"></td>
<td id = "94"></td>
<td id = "95"></td>
<td id = "96"></td>
<td id = "97"></td>
<td id = "98"></td>
</tr>
<tr>
<td id = "99"></td>
<td id = "100"></td>
<td id = "101"></td>
<td id = "102"></td>
<td id = "103"></td>
<td id = "104"></td>
<td id = "105"></td>
<td id = "106"></td>
<td id = "107"></td>
<td id = "108"></td>
<td id = "109"></td>
</tr>
<tr>
<td id = "110"></td>
<td id = "111"></td>
<td id = "112"></td>
<td id = "113"></td>
<td id = "114"></td>
<td id = "115"></td>
<td id = "116"></td>
<td id = "117"></td>
<td id = "118"></td>
<td id = "119"></td>
<td id = "120"></td>
</tr>
</table>
<button type = "button" onclick = "newGame()" alt = "Hotkey: (r)">New Game</button>
<p id = "score"></p>
<table>
<tr>
<td id = "emptySpace"></td>
<td onmousedown = "redirect(1)" class = "direction">
^
</td>
</tr>
<tr>
<td onmousedown = "redirect(2)" class = "direction">
<
</td>
<td onmousedown = "redirect(3)" class = "direction">
V
</td>
<td onmousedown = "redirect(0)" class = "direction">
>
</td>
</tr>
</table>
<p>Controls:</p>
<p>(WASD) Change Direction</p>
<p>(R) Start New Game</p>
<p id = "notification"></p>
</body>
</html>