ebrahimebrahim/Snake code with wasd.html

## Snake code with wasd.html
<!DOCTYPE html>
<html>
<head>
  <title>Snake Game</title>
  <script src="https://code.jquery.com/jquery-1.11.3.js"></script>
  <style>
  html, body {
    height: 100%;
    margin: 0;
  }
  body {
    background: black;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  canvas {
    border: 2px solid white; background-color:gold;
  }
  #p1
  {
    color:red;
	position:absolute;
	left:100px;
	top:10px;
  }
    #p2
  {
    color:red;
	position:absolute;
	left:100px;
	top:30px;
  }
  #score
  {
    color:yellow;
    position:absolute;
	left:155px;
	top:10px;
  }
  #totalScoreLabel
  {
    color:red;
    position:absolute;
    left:100px;
    top:50px;
  }
  #totalScoreValue
  {
    color:yellow;
  }
  #high
  {
    color:yellow;
    position:absolute;
	  left:195px;
	  top:30px;
  }
  #btn_stop
  {
    color:brown;
    position:absolute;
	  left:100px;
	  top:80px;
  }
  #end_msg
  {
    color:brown;
    position:absolute;
	  left:100px;
	  top:100px;
  }
  </style>
</head>
<body>
<p id="p1">SCORE:</p>
<p id="p2">HIGHSCORE:</p>
<p id="score"></p>
<p id="high"></p>

<p id="totalScoreLabel">TOTAL SCORE:&nbsp;<span id="totalScoreValue"></span></p>

<canvas width="400" height="400" id="game"></canvas>
<script>
var canvas = document.getElementById('game');
var context = canvas.getContext('2d');
var grid = 16;
var count = 0;
var score=0;
var totalScore = 0;
//reading  last score value
if(localStorage.score){
  document.getElementById('score').innerHTML=localStorage.score;
}

var max=0;

var snake = {
  x: 160,
  y: 160,

  // snake velocity. moves one grid length every frame in either the x or y direction
  dx: grid,
  dy: 0,

  // keep track of all grids the snake body occupies
  cells: [],

  // length of the snake. grows when eating an apple
  maxCells: 4
};
var apple = {
  x: 320,
  y: 320
};

// get random whole numbers in a specific range
// @see https://stackoverflow.com/a/1527820/2124254
function getRandomInt(min, max) {
  return Math.floor(Math.random() * (max - min)) + min;
}

// game loop
function loop() {

  requestAnimationFrame(loop);
  // slow game loop to 10 fps instead of 60 (60/10 = 6)
  if (++count < 6) {
    return;
  }
  count = 0;
  context.clearRect(0,0,canvas.width,canvas.height);
  // move snake by it's velocity
  snake.x += snake.dx;
  snake.y += snake.dy;
  // wrap snake position horizontally on edge of screen
  if (snake.x < 0) {
    snake.x = canvas.width - grid;
  }
  else if (snake.x >= canvas.width) {
    snake.x = 0;
  }

  // wrap snake position vertically on edge of screen
  if (snake.y < 0) {
    snake.y = canvas.height - grid;
  }
  else if (snake.y >= canvas.height) {
    snake.y = 0;
  }
  // keep track of where snake has been. front of the array is always the head
  snake.cells.unshift({x: snake.x, y: snake.y});
  // remove cells as we move away from them
  if (snake.cells.length > snake.maxCells) {
    snake.cells.pop();
  }
  // draw apple
  context.fillStyle = 'red';
  context.fillRect(apple.x, apple.y, grid-1, grid-1);
  // draw snake one cell at a time
  context.fillStyle = 'green';
  snake.cells.forEach(function(cell, index) {

    // drawing 1 px smaller than the grid creates a grid effect in the snake body so you can see how long it is
    context.fillRect(cell.x, cell.y, grid-1, grid-1);
    // snake ate apple
    if (cell.x === apple.x && cell.y === apple.y) {
      snake.maxCells++;
	  score+=1;
    totalScore+=1;
    //saving score for next playing.
    localStorage.setItem('score',score);
	  //max=score;
	  document.getElementById('score').innerHTML=score;
    document.getElementById('totalScoreValue').innerHTML=totalScore;

      // canvas is 400x400 which is 25x25 grids
      apple.x = getRandomInt(0, 25) * grid;
      apple.y = getRandomInt(0, 25) * grid;
    }
    // check collision with all cells after this one (modified bubble sort)
    for (var i = index + 1; i < snake.cells.length; i++)
	{

      // snake occupies same space as a body part. reset game
      if (cell.x === snake.cells[i].x && cell.y === snake.cells[i].y)
	 {

	    if(score>max)
	    {
	     max=score;
	    }
    	snake.x = 160;
        snake.y = 160;
        snake.cells = [];
        snake.maxCells = 4;
        snake.dx = grid;
        snake.dy = 0;
		score=0;
        apple.x = getRandomInt(0, 25) * grid;
        apple.y = getRandomInt(0, 25) * grid;
	    document.getElementById('high').innerHTML=max;
      }
    }
  }
  );
}
// listen to keyboard events to move the snake
document.addEventListener('keydown', function(e) {
  // prevent snake from backtracking on itself by checking that it's
  // not already moving on the same axis (pressing left while moving
  // left won't do anything, and pressing right while moving left
  // shouldn't let you collide with your own body)

  // left arrow key
  if (e.which === 65 && snake.dx === 0) {
    snake.dx = -grid;
    snake.dy = 0;
  }
  // up arrow key
  else if (e.which === 87 && snake.dy === 0) {
    snake.dy = -grid;
    snake.dx = 0;
  }
  // right arrow key
  else if (e.which === 68 && snake.dx === 0) {
    snake.dx = grid;
    snake.dy = 0;
  }
  // down arrow key
  else if (e.which === 83 && snake.dy === 0) {
    snake.dy = grid;
    snake.dx = 0;
  }
});
// start the game
requestAnimationFrame(loop);


function myFunction() {
  document.getElementById('end_msg').innerHTML="";
  alert('Press confirm to continue');
}

//stop playing
//$(document).ready(function(){
		//$('#btn_stop').click(function(){
     // document.getElementById('end_msg').innerHTML="Game stoped by player" ;
     // setTimeout(myFunction, 1000);
		//});
	//});

</script>
</body>
</html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>Snake Game</title>
	<script src="https://code.jquery.com/jquery-1.11.3.js"></script>
	<style>
	html, body {
	height: 100%;
	margin: 0;
	}
	body {
	background: black;
	display: flex;
	align-items: center;
	justify-content: center;
	}
	canvas {
	border: 2px solid white; background-color:gold;
	}
	#p1
	{
	color:red;
	position:absolute;
	left:100px;
	top:10px;
	}
	#p2
	{
	color:red;
	position:absolute;
	left:100px;
	top:30px;
	}
	#score
	{
	color:yellow;
	position:absolute;
	left:155px;
	top:10px;
	}
	#totalScoreLabel
	{
	color:red;
	position:absolute;
	left:100px;
	top:50px;
	}
	#totalScoreValue
	{
	color:yellow;
	}
	#high
	{
	color:yellow;
	position:absolute;
	left:195px;
	top:30px;
	}
	#btn_stop
	{
	color:brown;
	position:absolute;
	left:100px;
	top:80px;
	}
	#end_msg
	{
	color:brown;
	position:absolute;
	left:100px;
	top:100px;
	}
	</style>
	</head>
	<body>
	<p id="p1">SCORE:</p>
	<p id="p2">HIGHSCORE:</p>
	<p id="score"></p>
	<p id="high"></p>

	<p id="totalScoreLabel">TOTAL SCORE: <span id="totalScoreValue"></span></p>

	<canvas width="400" height="400" id="game"></canvas>
	<script>
	var canvas = document.getElementById('game');
	var context = canvas.getContext('2d');
	var grid = 16;
	var count = 0;
	var score=0;
	var totalScore = 0;
	//reading last score value
	if(localStorage.score){
	document.getElementById('score').innerHTML=localStorage.score;
	}

	var max=0;

	var snake = {
	x: 160,
	y: 160,

	// snake velocity. moves one grid length every frame in either the x or y direction
	dx: grid,
	dy: 0,

	// keep track of all grids the snake body occupies
	cells: [],

	// length of the snake. grows when eating an apple
	maxCells: 4
	};
	var apple = {
	x: 320,
	y: 320
	};

	// get random whole numbers in a specific range
	// @see https://stackoverflow.com/a/1527820/2124254
	function getRandomInt(min, max) {
	return Math.floor(Math.random() * (max - min)) + min;
	}

	// game loop
	function loop() {

	requestAnimationFrame(loop);
	// slow game loop to 10 fps instead of 60 (60/10 = 6)
	if (++count < 6) {
	return;
	}
	count = 0;
	context.clearRect(0,0,canvas.width,canvas.height);
	// move snake by it's velocity
	snake.x += snake.dx;
	snake.y += snake.dy;
	// wrap snake position horizontally on edge of screen
	if (snake.x < 0) {
	snake.x = canvas.width - grid;
	}
	else if (snake.x >= canvas.width) {
	snake.x = 0;
	}

	// wrap snake position vertically on edge of screen
	if (snake.y < 0) {
	snake.y = canvas.height - grid;
	}
	else if (snake.y >= canvas.height) {
	snake.y = 0;
	}
	// keep track of where snake has been. front of the array is always the head
	snake.cells.unshift({x: snake.x, y: snake.y});
	// remove cells as we move away from them
	if (snake.cells.length > snake.maxCells) {
	snake.cells.pop();
	}
	// draw apple
	context.fillStyle = 'red';
	context.fillRect(apple.x, apple.y, grid-1, grid-1);
	// draw snake one cell at a time
	context.fillStyle = 'green';
	snake.cells.forEach(function(cell, index) {

	// drawing 1 px smaller than the grid creates a grid effect in the snake body so you can see how long it is
	context.fillRect(cell.x, cell.y, grid-1, grid-1);
	// snake ate apple
	if (cell.x === apple.x && cell.y === apple.y) {
	snake.maxCells++;
	score+=1;
	totalScore+=1;
	//saving score for next playing.
	localStorage.setItem('score',score);
	//max=score;
	document.getElementById('score').innerHTML=score;
	document.getElementById('totalScoreValue').innerHTML=totalScore;

	// canvas is 400x400 which is 25x25 grids
	apple.x = getRandomInt(0, 25) * grid;
	apple.y = getRandomInt(0, 25) * grid;
	}
	// check collision with all cells after this one (modified bubble sort)
	for (var i = index + 1; i < snake.cells.length; i++)
	{

	// snake occupies same space as a body part. reset game
	if (cell.x === snake.cells[i].x && cell.y === snake.cells[i].y)
	{

	if(score>max)
	{
	max=score;
	}
	snake.x = 160;
	snake.y = 160;
	snake.cells = [];
	snake.maxCells = 4;
	snake.dx = grid;
	snake.dy = 0;
	score=0;
	apple.x = getRandomInt(0, 25) * grid;
	apple.y = getRandomInt(0, 25) * grid;
	document.getElementById('high').innerHTML=max;
	}
	}
	}
	);
	}
	// listen to keyboard events to move the snake
	document.addEventListener('keydown', function(e) {
	// prevent snake from backtracking on itself by checking that it's
	// not already moving on the same axis (pressing left while moving
	// left won't do anything, and pressing right while moving left
	// shouldn't let you collide with your own body)

	// left arrow key
	if (e.which === 65 && snake.dx === 0) {
	snake.dx = -grid;
	snake.dy = 0;
	}
	// up arrow key
	else if (e.which === 87 && snake.dy === 0) {
	snake.dy = -grid;
	snake.dx = 0;
	}
	// right arrow key
	else if (e.which === 68 && snake.dx === 0) {
	snake.dx = grid;
	snake.dy = 0;
	}
	// down arrow key
	else if (e.which === 83 && snake.dy === 0) {
	snake.dy = grid;
	snake.dx = 0;
	}
	});
	// start the game
	requestAnimationFrame(loop);




	function myFunction() {
	document.getElementById('end_msg').innerHTML="";
	alert('Press confirm to continue');
	}

	//stop playing
	//$(document).ready(function(){
	//$('#btn_stop').click(function(){
	// document.getElementById('end_msg').innerHTML="Game stoped by player" ;
	// setTimeout(myFunction, 1000);
	//});
	//});

	</script>
	</body>
	</html>