hextris/js/main.js

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