380 lines
8.4 KiB
JavaScript
380 lines
8.4 KiB
JavaScript
var textShown = false;
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var showingHelp = false;
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$(document).ready(function(){
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scaleCanvas();
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$('#startBtn').on('touchstart mousedown', function(){
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setTimeout(function(){
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document.body.addEventListener('mousedown', function(e) {
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handleClickTap(e.clientX);
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}, false);
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document.body.addEventListener('touchstart', function(e) {
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handleClickTap(e.changedTouches[0].clientX);
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}, false);
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}, 1);
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});
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});
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$(window).resize(scaleCanvas);
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$(window).unload(function() {
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localStorage.setItem("saveState", exportSaveState());
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});
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function scaleCanvas() {
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canvas.width = $(window).width();
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canvas.height = $(window).height();
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if (canvas.height > canvas.width) {
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settings.scale = (canvas.width/800) * settings.baseScale;
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} else {
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settings.scale = (canvas.height/800) * settings.baseScale;
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}
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trueCanvas = {
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width:canvas.width,
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height:canvas.height
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};
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if (window.devicePixelRatio) {
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//from https://gist.github.com/joubertnel/870190
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var cw = $("#canvas").attr('width');
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var ch = $("#canvas").attr('height');
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$("#canvas").attr('width', cw * window.devicePixelRatio);
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$("#canvas").attr('height', ch * window.devicePixelRatio);
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$("#canvas").css('width', cw);
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$("#canvas").css('height', ch);
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trueCanvas = {
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width:cw,
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height:ch
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};
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ctx.scale(window.devicePixelRatio, window.devicePixelRatio);
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}
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}
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var canvas = document.getElementById('canvas');
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var ctx = canvas.getContext('2d');
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var count = 0;
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var trueCanvas = {width:canvas.width,height:canvas.height};
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window.requestAnimFrame = (function() {
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return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || function(callback) {
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window.setTimeout(callback, 1000 / framerate);
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};
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})();
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$('#clickToExit').bind('click', toggleDevTools);
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function toggleDevTools() {
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$('#devtools').toggle();
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}
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var settings;
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if(/Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ) {
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settings = {
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startDist:227,
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creationDt:40,
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baseScale:1.4,
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scale:1,
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prevScale:1,
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baseHexWidth:87,
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hexWidth:87,
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baseBlockHeight:20,
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blockHeight:20,
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rows:6,
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speedModifier:0.7,
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creationSpeedModifier:0.7,
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comboMultiplier: 240
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};
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} else {
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settings = {
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baseScale:1,
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startDist:340,
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creationDt:9,
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scale:1,
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prevScale:1,
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hexWidth:65,
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baseHexWidth:87,
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baseBlockHeight:20,
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blockHeight:15,
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rows:8,
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speedModifier:0.8,
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creationSpeedModifier:0.6,
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comboMultiplier:240
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};
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}
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var framerate = 60;
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var history = {};
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var score = 0;
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var isGameOver = 3;
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var scoreAdditionCoeff = 1;
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var prevScore = 0;
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var numHighScores = 3;
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var spaceModifier = 1;
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var highscores = [0, 0, 0];
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if(localStorage.getItem('highscores'))
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highscores = localStorage.getItem('highscores').split(',').map(Number);
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localStorage.setItem('highscores', highscores);
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var blocks = [];
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var MainClock;
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var gdx = 0;
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var gdy = 0;
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var lastGen;
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var prevTimeScored;
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var nextGen;
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var spawnLane = 0;
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var importing = 0;
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var importedHistory;
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var startTime;
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var gameState;
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setStartScreen();
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function init() {
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$('#pauseBtn').hide();
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$('#startBtn').hide();
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var saveState = localStorage.getItem("saveState") || "{}";
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saveState = JSONfn.parse(saveState);
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document.getElementById("canvas").className = "";
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history = {};
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importedHistory = undefined;
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importing = 0;
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isGameOver = 2;
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score = saveState.score || 0;
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prevScore = 0;
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spawnLane = 0;
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op = 0;
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scoreOpacity = 0;
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gameState = -2;
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if(saveState.clock !== undefined) gameState = 1;
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count = 0;
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var i;
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var block;
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if(saveState.blocks) {
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for(i=0; i<saveState.blocks.length; i++) {
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block = saveState.blocks[i];
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blocks.push(block);
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}
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}
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else {
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blocks = [];
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}
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gdx = saveState.gdx || 0;
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gdy = saveState.gdy || 0;
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comboMultiplier = saveState.comboMultiplier || 0;
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scaleCanvas();
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settings.blockHeight = settings.baseBlockHeight * settings.scale;
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settings.hexWidth = settings.baseHexWidth * settings.scale;
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MainClock = saveState.clock || new Clock(settings.hexWidth);
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MainClock.sideLength = settings.hexWidth;
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for(i=0; i<MainClock.blocks.length; i++) {
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for(var j=0; j<MainClock.blocks[i].length; j++) {
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MainClock.blocks[i][j].height = settings.blockHeight;
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block = MainClock.blocks[i][j];
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block.distFromHex = 2 * MainClock.sideLength / Math.sqrt(3) + (j-1) * block.height;
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block.settled = 0;
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}
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}
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MainClock.y = -100;
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startTime = Date.now();
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waveone = saveState.wavegen || new waveGen(MainClock,Date.now(),[1,1,0],[1,1],[1,1]);
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MainClock.texts = []; //clear texts
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hideText();
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}
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function addNewBlock(blocklane, color, iter, distFromHex, settled) { //last two are optional parameters
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iter *= settings.speedModifier;
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if (!history[count]) {
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history[count] = {};
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}
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history[count].block = {
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blocklane:blocklane,
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color:color,
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iter:iter
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};
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if (distFromHex) {
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history[count].distFromHex = distFromHex;
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}
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if (settled) {
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blockHist[count].settled = settled;
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}
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blocks.push(new Block(blocklane, color, iter, distFromHex, settled));
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}
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function importHistory(j) {
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if (!j) {
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try {
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var ih = JSON.parse(prompt("Import JSON"));
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if (ih) {
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init();
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importing = 1;
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importedHistory = ih;
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}
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}
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catch (e) {
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alert("Error importing JSON");
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}
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} else {
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init();
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importing = 1;
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importedHistory = j;
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}
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}
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function exportHistory() {
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$('#devtoolsText').html(JSON.stringify(history));
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toggleDevTools();
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}
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function stepInitialLoad() {
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var dy = getStepDY(Date.now() - startTime, 0, (100 + trueCanvas.height/2), 1300);
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if (Date.now() - startTime > 1300) {
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MainClock.dy = 0;
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MainClock.y = (trueCanvas.height/2);
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if (Date.now() - startTime - 500 > 1300) {
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$('#pauseBtn').show();
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gameState = 1;
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}
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} else {
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MainClock.dy = dy;
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}
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}
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function setStartScreen() {
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init();
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$('#startBtn').show();
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if (!isStateSaved()) {
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importHistory(introJSON);
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} else {
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importing = 0;
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}
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gameState = 0;
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requestAnimFrame(animLoop);
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}
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//t: current time, b: begInnIng value, c: change In value, d: duration
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function getStepDY(t, b, c, d) {
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if ((t/=d) < (1/2.75)) {
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return c*(7.5625*t*t) + b;
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} else if (t < (2/2.75)) {
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return c*(7.5625*(t-=(1.5/2.75))*t + 0.75) + b;
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} else if (t < (2.5/2.75)) {
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return c*(7.5625*(t-=(2.25/2.75))*t + 0.9375) + b;
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} else {
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return c*(7.5625*(t-=(2.625/2.75))*t + 0.984375) + b;
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}
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}
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function animLoop() {
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if (gameState == 1) { //game play
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requestAnimFrame(animLoop);
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update();
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render();
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if (checkGameOver()) {
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gameState = 2;
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clearSaveState();
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}
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}
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else if (gameState === 0) { //start screen
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requestAnimFrame(animLoop);
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if (importing) {
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update();
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}
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render();
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}
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else if (gameState == -2) { //initialization screen just before starting
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requestAnimFrame(animLoop);
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settings.hexWidth = settings.baseHexWidth * settings.scale;
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settings.blockHeight = settings.baseBlockHeight * settings.scale;
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stepInitialLoad();
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render();
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}
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else if (gameState == -1) { //pause
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requestAnimFrame(animLoop);
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render();
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}
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else if (gameState == 2) { //end screen
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requestAnimFrame(animLoop);
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update();
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render();
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}
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else {
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setStartScreen();
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}
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}
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function updateHighScore(){
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if(localStorage.getItem('highscores')){
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highscores = localStorage.getItem('highscores').split(',').map(Number);
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}
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for (var i = 0; i < numHighScores; i++) {
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if (highscores[i] <= score) {
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highscores.splice(i, 0, score);
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highscores = highscores.slice(0,-1);
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break;
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}
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}
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localStorage.setItem('highscores', highscores);
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}
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function isInfringing(clock){
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for(var i=0;i<clock.sides;i++){
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var subTotal=0;
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for (var j=0;j<clock.blocks[i].length;j++){
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subTotal+=clock.blocks[i][j].deleted ;
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}
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if (clock.blocks[i].length- subTotal>settings.rows){
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return true;
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}
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}
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return false;
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}
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function checkGameOver() {
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for (var i = 0; i < MainClock.sides; i++) {
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if (isInfringing(MainClock)) {
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updateHighScore();
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gameOverDisplay();
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return true;
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}
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}
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return false;
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}
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window.onblur = function (e) {
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if (gameState==1) {
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pause();
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}
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};
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function showHelp(){
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pause(false,true);
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if(document.getElementById("helpScreen").style.display=="none" || document.getElementById("helpScreen").style.display === ""){
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document.getElementById("helpScreen").style.display = "block";
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}
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else if(document.getElementById("helpScreen").style.display=="block" ){
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document.getElementById("helpScreen").style.display = "none";
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}
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showingHelp = !showingHelp;
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}
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