diff options
Diffstat (limited to 'src/snake')
| -rw-r--r-- | src/snake/index.html | 211 |
1 files changed, 136 insertions, 75 deletions
diff --git a/src/snake/index.html b/src/snake/index.html index eb11f86..ea982cf 100644 --- a/src/snake/index.html +++ b/src/snake/index.html @@ -1,83 +1,144 @@ -<center> +<!doctype html> +<html lang="en"> + +<head> + <title>Snake</title> + <meta charset="UTF-8"> + <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> + <!-- <link rel="stylesheet" type="text/css" href="/css/styles.css"> --> +</head> + +<body style="padding:0; margin:0; overflow:hidden;"> <canvas width="400" height="400" id="canvas"></canvas> -</center> -<script> - window.onload = function(){ - canvas = document.getElementById("canvas"); - ctx = canvas.getContext("2d"); -// canvas.height = 300; -// canvas.width = 400; - document.addEventListener("keydown",keyPush); - setInterval(game, 1000/10); - } - var tileCountWidth = 40; - var tileCountHeight = 40; - var tileWidth = canvas.width/tileCountWidth; - var tileHeight = canvas.height/tileCountHeight; - var snake = []; - var x = randomInt(tileWidth); - var y = randomInt(tileHeight); - var vx = 1; - var vy = 0; - var apple = {}; - console.log(apple); - setRandomCoords(apple); - console.log(apple); - var length = 5; - function game(){ - color("black"); - ctx.fillRect(0,0,canvas.width, canvas.height); - color("white"); - for(var i = 0; i < snake.length; i++){ - ctx.fillRect(snake[i].x*tileWidth, snake[i].y*tileHeight, tileWidth, tileHeight); + <script src="/highscore.js"></script> + <script> + var tileCountWidth = 40; + var tileCountHeight = 40; + var tileWidth = canvas.width / tileCountWidth; + var tileHeight = canvas.height / tileCountHeight; + var x, y; + var vx, vy; + var snake, apple; + var isGameOver; + var length, gameInterval, score; + var username = undefined + var inputThisFrame = false + window.onload = function () { + canvas = document.getElementById("canvas"); + ctx = canvas.getContext("2d"); + document.addEventListener("keydown", keyPush); + init(); } - color("red"); - ctx.fillRect(apple.x*tileWidth, apple.y*tileHeight, tileWidth, tileHeight); - - x+=vx; - y+=vy; - snake.push({"x": x, "y": y}); - if(x==apple.x && y==apple.y){ - length++; + function init() { + snake = []; + x = randomInt(10); + y = randomInt(40); + vx = 1; + vy = 0; + apple = {}; + isGameOver = false; setRandomCoords(apple); + length = 5; + score = 0 + if(gameInterval != undefined){ + clearInterval(gameInterval) + } + gameInterval = setInterval(game, 1000 / 10); } + function game() { + inputThisFrame = false + // DRAW + color("black"); + ctx.fillRect(0, 0, canvas.width, canvas.height); + color("white"); + for (var i = 0; i < snake.length; i++) { + ctx.fillRect(snake[i].x * tileWidth, snake[i].y * tileHeight, tileWidth, tileHeight); + } + color("red"); + ctx.fillRect(apple.x * tileWidth, apple.y * tileHeight, tileWidth, tileHeight); + if (isGameOver) { + color("blue"); + font(32); + ctx.fillText("Game over!", 160, 200); + font(24); + ctx.fillText("(press any key)", 160, 240) + return // don't update + } + + // UPDATE + x += vx; + y += vy; + for (var i = 0; i < snake.length; i++) { + if(snake[i].x == x && snake[i].y == y){ + gameOver() + } + } + snake.push({ "x": x, "y": y }); + if (x < 0 || y < 0 || x >= 40 || y >= 40) { + gameOver(); + } else if (x == apple.x && y == apple.y) { + score++; + length++; + setRandomCoords(apple); + } + + while (snake.length > length) { + snake.shift(); + } - while(snake.length > length){ - snake.shift(); } + function keyPush(e) { + if (isGameOver) { + init() + return + } + if (inputThisFrame) { + return + } - } - function keyPush(e){ - switch(e.keyCode){ - case 37: - vx = -1; - vy = 0; - break; - case 38: - vx = 0; - vy = -1; - break; - case 39: - vx = 1; - vy = 0; - break; - case 40: - vx = 0; - vy = 1; - break; + switch (e.keyCode) { + case 37: + if (vx == 1) return + vx = -1; + vy = 0; + break; + case 38: + if (vy == 1) return + vx = 0; + vy = -1; + break; + case 39: + if (vx == -1) return + vx = 1; + vy = 0; + break; + case 40: + if (vy == -1) return + vx = 0; + vy = 1; + break; + } + inputThisFrame = true + } + function gameOver() { + isGameOver = true; + // clearInterval(gameInterval); + username = submitScore("snake", score, username); } - } - function setRandomCoords(item){ - item.x = randomInt(tileWidth); - item.y = randomInt(tileHeight); - } - function randomInt(max){ - return Math.floor(Math.random()*max); - } - function font(size){ - ctx.font=size+"px Courier"; - } - function color(c){ - ctx.fillStyle=c; - } -</script> + function setRandomCoords(item) { + item.x = randomInt(40); + item.y = randomInt(40); + } + function randomInt(max) { + return Math.floor(Math.random() * max); + } + function font(size) { + ctx.font = size + "px Courier"; + } + function color(c) { + ctx.fillStyle = c; + } + </script> +</body> + +</html>
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