mirror of
https://github.com/krislamo/vagrant-easyredmine
synced 2024-11-14 16:00:34 +00:00
142 lines
3.1 KiB
Plaintext
142 lines
3.1 KiB
Plaintext
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<!-- http://www.9lessons.info/2011/08/html5-snake-game.html -->
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<!documentTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<title>Redmine Maintenance</title>
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<style type="text/css">
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body {text-align:center;}
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canvas { border:5px dotted #ccc; }
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h1 { font-size:50px; text-align: center; margin: 0; padding-bottom: 25px;}
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</style>
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<script type="text/javascript">
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function play_game()
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{
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var level = 160; // Game level, by decreasing will speed up
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var rect_w = 45; // Width
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var rect_h = 30; // Height
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var inc_score = 50; // Score
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var snake_color = "#006699"; // Snake Color
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var ctx; // Canvas attributes
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var tn = []; // temp directions storage
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var x_dir = [-1, 0, 1, 0]; // position adjusments
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var y_dir = [0, -1, 0, 1]; // position adjusments
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var queue = [];
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var frog = 1; // defalut food
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var map = [];
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var MR = Math.random;
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var X = 5 + (MR() * (rect_w - 10))|0; // Calculate positions
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var Y = 5 + (MR() * (rect_h - 10))|0; // Calculate positions
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var direction = MR() * 3 | 0;
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var interval = 0;
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var score = 0;
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var sum = 0, easy = 0;
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var i, dir;
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// getting play area
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var c = document.getElementById('playArea');
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ctx = c.getContext('2d');
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// Map positions
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for (i = 0; i < rect_w; i++)
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{
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map[i] = [];
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}
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// random placement of snake food
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function rand_frog()
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{
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var x, y;
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do
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{
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x = MR() * rect_w|0;
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y = MR() * rect_h|0;
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}
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while (map[x][y]);
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map[x][y] = 1;
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ctx.fillStyle = snake_color;
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ctx.strokeRect(x * 10+1, y * 10+1, 8, 8);
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}
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// Default somewhere placement
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rand_frog();
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function set_game_speed()
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{
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if (easy)
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{
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X = (X+rect_w)%rect_w;
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Y = (Y+rect_h)%rect_h;
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}
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--inc_score;
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if (tn.length)
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{
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dir = tn.pop();
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if ((dir % 2) !== (direction % 2))
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{
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direction = dir;
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}
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}
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if ((easy || (0 <= X && 0 <= Y && X < rect_w && Y < rect_h)) && 2 !== map[X][Y])
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{
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if (1 === map[X][Y])
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{
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score+= Math.max(5, inc_score);
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inc_score = 50;
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rand_frog();
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frog++;
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}
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//ctx.fillStyle("#ffffff");
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ctx.fillRect(X * 10, Y * 10, 9, 9);
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map[X][Y] = 2;
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queue.unshift([X, Y]);
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X+= x_dir[direction];
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Y+= y_dir[direction];
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if (frog < queue.length)
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{
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dir = queue.pop()
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map[dir[0]][dir[1]] = 0;
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ctx.clearRect(dir[0] * 10, dir[1] * 10, 10, 10);
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}
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}
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else if (!tn.length)
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{
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var msg_score = document.getElementById("msg");
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msg_score.innerHTML = "Thank you for playing game.<br /> Your Score : <b>"+score+"</b><br /><br /><input type='button' value='Play Again' onclick='window.location.reload();' />";
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document.getElementById("playArea").style.display = 'none';
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window.clearInterval(interval);
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}
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}
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interval = window.setInterval(set_game_speed, level);
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document.onkeydown = function(e) {
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var code = e.keyCode - 37;
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if (0 <= code && code < 4 && code !== tn[0])
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{
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tn.unshift(code);
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}
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else if (-5 == code)
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{
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if (interval)
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{
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window.clearInterval(interval);
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interval = 0;
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}
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else
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{
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interval = window.setInterval(set_game_speed, 60);
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}
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}
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else
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{
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dir = sum + code;
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if (dir == 44||dir==94||dir==126||dir==171) {
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sum+= code
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} else if (dir === 218) easy = 1;
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}
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}
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}
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</script>
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</head>
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<body onload="play_game()">
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<h1>Redmine is down for maintenance</h1>
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Play snake while you wait.
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<div id="msg"></div>
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<canvas id="playArea" width="450" height="300">Sorry your browser does not support HTML5</canvas>
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</body>
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</html>
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