Created
February 19, 2018 22:16
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Snake js
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| body { | |
| background-color: #00FFAB; | |
| } | |
| #container { | |
| margin: auto; | |
| width: 600px; | |
| } | |
| #myCanvas { | |
| background-color: #000000; | |
| border: 3px red solid; | |
| } | |
| #gameover { | |
| position : absolute; | |
| top: 200px; | |
| left: 600px; | |
| font-size: 25px; | |
| text-align: center; | |
| color: #FFFFFF; | |
| display: none; | |
| } | |
| #score { | |
| width: 600px; | |
| height: 100px; | |
| margin: auto; | |
| background-color: grey; | |
| } | |
| #current, #highest { | |
| font-size : 25px; | |
| color: black; | |
| text-align: center; | |
| } | |
| a { | |
| text-decoration: none; | |
| color : #FFFFFF; | |
| } | |
| span { | |
| color : #FFFFFF; | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title> Snake Game </title> | |
| <link rel="stylesheet" href="snake.css"> | |
| </head> | |
| <body> | |
| <div id="container"> | |
| <div id="gameover"> | |
| Game over! | |
| <br> | |
| Your score is <span id="final"></span> | |
| <br> | |
| <a onClick="window.location.reload()" href="#">Click To Play Again</a> | |
| </div> | |
| <canvas id="myCanvas" width="600" height="450"> | |
| Your browser does not support the canvas feature | |
| </canvas> | |
| <div id="score"> | |
| <div>Current Score:<span id="current">0</span> | |
| </div> | |
| <div>High Score:<span id="highest">3</span> | |
| </div> | |
| </div> | |
| </div> | |
| <!-- jQuery --> | |
| <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" type="text/javascript"></script> | |
| <!-- Main JS --> | |
| <script src="snake.js"></script> | |
| </body> | |
| </html> |
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| $(document).ready(function() { | |
| var canvas = $("#myCanvas")[0]; | |
| var ctx = canvas.getContext("2d"); | |
| var w = $("#myCanvas").width(); | |
| var h = $("#myCanvas").height(); | |
| var cw = 15; | |
| var food; | |
| var snake; | |
| var d = "RIGHT"; | |
| var gameloop = setInterval(update, 100); | |
| function update() { | |
| if (d == "RIGHT") | |
| snake.x = snake.x + 1; | |
| else if (d == "LEFT") | |
| snake.x = snake.x - 1; | |
| else if (d == "UP") | |
| snake.y = snake.y - 1; | |
| else if (d == "DOWN") | |
| snake.y = snake.y + 1; | |
| check_borders(); | |
| check_food(); | |
| blank(); | |
| paint_cell(food.x, food.y, "grey"); | |
| paint_cell(snake.x, snake.y, "green"); | |
| } | |
| function showGameOver() { | |
| var current = $('#current').text(); | |
| $('#final').text(current); | |
| $('#gameover').fadeIn(); | |
| } | |
| function updateHighScore() { | |
| var current = $("#current").text(); | |
| var highest = $("#highest").text(); | |
| if (parseInt(current) > parseInt(highest)) { | |
| $('#highest').text(current) | |
| } | |
| } | |
| function placeFood() { | |
| food = { | |
| x : Math.round(Math.random()*(w-cw)/cw), | |
| y : Math.round(Math.random()*(h-cw)/cw) | |
| } | |
| } | |
| function placeSnake() { | |
| snake = { | |
| x : Math.round(Math.random()*(w-cw)/cw), | |
| y : Math.round(Math.random()*(h-cw)/cw) | |
| } | |
| } | |
| function blank(){ | |
| //Paint The Canvas | |
| ctx.fillStyle = "black"; | |
| ctx.fillRect(0, 0, w, h); | |
| ctx.strokeStyle = "white"; | |
| ctx.strokeRect(0, 0, w, h); | |
| } | |
| function check_borders() { | |
| if (snake.x < 0 || snake.x > (w-cw)/cw || snake.y < 0 || snake.y > (h-cw)/cw) { | |
| clearInterval(gameloop); | |
| showGameOver(); | |
| } | |
| } | |
| function paint_cell(x,y, color){ | |
| ctx.fillStyle=color; | |
| ctx.fillRect(x*cw,y*cw,cw,cw); | |
| ctx.strokeStyle="white"; | |
| ctx.strokeRect(x*cw,y*cw,cw,cw); | |
| } | |
| function check_food() { | |
| if (food.x == snake.x && food.y == snake.y) { | |
| var current = parseInt($('#current').text()); | |
| current += 1; | |
| $('#current').text(current); | |
| placeFood(); | |
| } | |
| } | |
| placeFood(); | |
| paint_cell(food.x, food.y, "grey"); | |
| placeSnake(); | |
| paint_cell(snake.x, snake.y, "green"); | |
| //Keyboard Controller | |
| $(document).keydown(function(e){ | |
| //39: RIGHT | |
| //37: LEFT | |
| //38: UP | |
| //40: DOWN | |
| var key = e.which; | |
| if(key == "37") { | |
| snake.x -= 1; | |
| d = "LEFT"; | |
| } | |
| else if(key == "38") { | |
| snake.y -= 1; | |
| d = "UP"; | |
| } | |
| else if(key == "39") { | |
| snake.x += 1; | |
| d = "RIGHT"; | |
| } | |
| else if(key == "40") { | |
| snake.y += 1; | |
| d = "DOWN"; | |
| } | |
| check_food(); | |
| blank(); | |
| color = "grey"; | |
| paint_cell(food.x, food.y); | |
| color = "green"; | |
| paint_cell(snake.x, snake.y); | |
| }); | |
| }); |
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