155 lines
3.9 KiB
HTML
155 lines
3.9 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<li><a href="index.html">Home</a></li>
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<meta charset="utf-8" />
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<link href='https://fonts.google.com/specimen/Taviraj?selection.family=Taviraj' rel='stylesheet' type='text/css'>
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<style type="text/css">
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body {
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background:#4289f4;
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text-align:center;
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}
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canvas {
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background:#415ff4;
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-webkit-box-shadow:0 0 20px #000;
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-moz-box-shadow: 0 0 20px #000;
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box-shadow:0 0 20px #000;
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}
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h1 { font-family: 'Cabin Sketch', arial, serif; font-size:50px;
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text-indent: -100px;margin-bottom:20;margin-top:30px}
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</style>
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<script type="text/javascript">
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/**
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* @license HTML5 experiment Snake
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* http://www.xarg.org/project/html5-snake/
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*
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* Copyright (c) 2011, Robert Eisele (robert@xarg.org)
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* Dual licensed under the MIT or GPL Version 2 licenses.
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**/
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function init() {
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var ctx;
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var turn = [];
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var xV = [-1, 0, 1, 0];
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var yV = [0, -1, 0, 1];
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var queue = [];
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var elements = 1;
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var map = [];
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var X = 5 + (Math.random() * (45 - 10))|0;
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var Y = 5 + (Math.random() * (30 - 10))|0;
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var direction = Math.random() * 3 | 0;
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var interval = 0;
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var score = 0;
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var inc_score = 50;
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var sum = 0, easy = 0;
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var i, dir;
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var canvas = document.createElement('canvas');
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for (i = 0; i < 45; i++) {
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map[i] = [];
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}
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canvas.setAttribute('width', 45 * 10);
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canvas.setAttribute('height', 30 * 10);
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ctx = canvas.getContext('2d');
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document.body.appendChild(canvas);
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function placeFood() {
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var x, y;
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do {
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x = Math.random() * 45|0;
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y = Math.random() * 30|0;
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} while (map[x][y]);
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map[x][y] = 1;
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ctx.strokeRect(x * 10 + 1, y * 10 + 1, 10 - 2, 10 - 2);
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}
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placeFood();
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function clock() {
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if (easy) {
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X = (X+45)%45;
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Y = (Y+30)%30;
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}
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--inc_score;
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if (turn.length) {
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dir = turn.pop();
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if ((dir % 2) !== (direction % 2)) {
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direction = dir;
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}
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}
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if (
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(easy || (0 <= X && 0 <= Y && X < 45 && Y < 30))
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&& 2 !== map[X][Y]) {
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if (1 === map[X][Y]) {
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score+= Math.max(5, inc_score);
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inc_score = 50;
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placeFood();
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elements++;
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}
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ctx.fillRect(X * 10, Y * 10, 10 - 1, 10 - 1);
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map[X][Y] = 2;
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queue.unshift([X, Y]);
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X+= xV[direction];
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Y+= yV[direction];
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if (elements < queue.length) {
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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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} else if (!turn.length) {
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if (confirm("You lost! Play again?")) {
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ctx.clearRect(0, 0, 450, 300);
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queue = [];
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elements = 1;
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map = [];
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X = 5 + (Math.random() * (45 - 10))|0;
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Y = 5 + (Math.random() * (30 - 10))|0;
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direction = Math.random() * 3 | 0;
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score = 0;
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inc_score = 50;
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for (i = 0; i < 45; i++) {
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map[i] = [];
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}
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placeFood();
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} else {
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window.clearInterval(interval);
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window.location = "/index.html";
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}
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}
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}
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interval = window.setInterval(clock, 60);
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document.onkeydown = function(e) {
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var code = e.keyCode - 37;
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/*
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* 0: left
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* 1: up
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* 2: right
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* 3: down
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**/
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if (0 <= code && code < 4 && code !== turn[0]) {
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turn.unshift(code);
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} else if (-5 == code) {
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if (interval) {
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window.clearInterval(interval);
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interval = null;
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} else {
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interval = window.setInterval(clock, 60);
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}
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} else { // O.o
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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="init()">
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<header><title>Hello World</title></header>
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</body>
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</html>
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