hextris/js/main.js

348 lines
7.7 KiB
JavaScript

var textShown = false;
var showingHelp = false;
$(document).ready(scaleCanvas);
$(window).resize(scaleCanvas);
$(window).unload(function() {
localStorage.setItem("saveState", exportSaveState());
});
function scaleCanvas() {
canvas.width = $(window).width();
canvas.height = $(window).height();
if (canvas.height > canvas.width) {
settings.scale = (canvas.width/800) * settings.baseScale;
} else {
settings.scale = (canvas.height/800) * settings.baseScale;
}
trueCanvas = {
width:canvas.width,
height:canvas.height
};
if (window.devicePixelRatio) {
//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);
}
}
var canvas = document.getElementById('canvas');
var ctx = canvas.getContext('2d');
var count = 0;
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);
};
})();
$('#clickToExit').bind('click', toggleDevTools);
function toggleDevTools() {
$('#devtools').toggle();
}
var settings;
if(/Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ) {
settings = {
startDist:227,
creationDt:40,
baseScale:1.4,
scale:1,
prevScale:1,
baseHexWidth:87,
hexWidth:87,
baseBlockHeight:20,
blockHeight:20,
rows:6,
speedModifier:0.7,
creationSpeedModifier:0.7
};
} else {
settings = {
baseScale:1,
startDist:340,
creationDt:9,
scale:1,
prevScale:1,
hexWidth:65,
baseHexWidth:87,
baseBlockHeight:20,
blockHeight:15,
rows:8,
speedModifier:1,
creationSpeedModifier:0.8
};
}
var framerate = 60;
var history = {};
var score = 0;
var isGameOver = 3;
var scoreAdditionCoeff = 1;
var prevScore = 0;
var numHighScores = 3;
var spaceModifier = 1;
var highscores = [0, 0, 0];
if(localStorage.getItem('highscores'))
highscores = localStorage.getItem('highscores').split(',').map(Number);
localStorage.setItem('highscores', highscores);
var blocks = [];
var MainClock;
var gdx = 0;
var gdy = 0;
var lastGen;
var prevTimeScored;
var nextGen;
var spawnLane = 0;
var importing = 0;
var importedHistory;
var startTime;
var gameState;
if(isStateSaved())
init();
else
gameState = 0;
function init() {
$('#pauseBtn').hide();
var saveState = localStorage.getItem("saveState") || "{}";
saveState = JSONfn.parse(saveState);
document.getElementById("canvas").className = "";
history = {};
importedHistory = undefined;
importing = 0;
isGameOver = 2;
score = saveState.score || 0;
prevScore = 0;
spawnLane = 0;
op=0;
scoreOpacity=0;
gameState = -2;
if(saveState.clock !== undefined) gameState = 1;
count = 0;
var i;
var block;
if(saveState.blocks) {
for(i=0; i<saveState.blocks.length; i++) {
block = saveState.blocks[i];
blocks.push(block);
}
console.log(blocks);
}
else {
blocks = [];
}
gdx = saveState.gdx || 0;
gdy = saveState.gdy || 0;
comboMultiplier = saveState.comboMultiplier || 0;
MainClock = saveState.clock || new Clock(settings.hexWidth);
scaleCanvas();
settings.blockHeight = settings.baseBlockHeight * settings.scale;
settings.hexWidth = settings.baseHexWidth * settings.scale;
MainClock.sideLength = settings.hexWidth;
for(i=0; i<MainClock.blocks.length; i++) {
MainClock.blocks[i].height = settings.blockHeight;
for(var j=0; j<MainClock.blocks[i].length; j++) {
block = MainClock.blocks[i][j];
block.distFromHex = 2 * MainClock.sideLength / Math.sqrt(3) + (j-1) * block.height;
block.settled = 0;
}
}
MainClock.y = -100;
startTime = Date.now();
waveone = saveState.wavegen || new waveGen(MainClock,Date.now(),[1,1,0],[1,1],[1,1]);
MainClock.texts = []; //clear texts
hideText();
clearSaveState();
}
function addNewBlock(blocklane, color, iter, distFromHex, settled) { //last two are optional parameters
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;
}
blocks.push(new Block(blocklane, color, iter, distFromHex, settled));
}
function importHistory() {
try {
var ih = JSON.parse(prompt("Import JSON"));
if (ih) {
init();
importing = 1;
importedHistory = ih;
}
}
catch (e) {
alert("Error importing JSON");
}
}
function exportHistory() {
$('#devtoolsText').html(JSON.stringify(history));
toggleDevTools();
}
function stepInitialLoad() {
var dy = getStepDY(Date.now() - startTime, 0, (100 + trueCanvas.height/2), 1300);
if (Date.now() - startTime > 1300) {
MainClock.dy = 0;
MainClock.y = (trueCanvas.height/2);
if (Date.now() - startTime - 500 > 1300) {
$('#pauseBtn').show();
gameState = 1;
}
} else {
MainClock.dy = dy;
}
}
//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;
}
}
function animLoop() {
if (gameState == 1) {
requestAnimFrame(animLoop);
update();
render();
if (checkGameOver()) {
gameState = 2;
clearSaveState();
}
}
else if (gameState === 0) {
requestAnimFrame(animLoop);
clearGameBoard();
if(!textShown){
showText('start');
textShown = true;
}
}
else if (gameState == -2) { //initialization screen just before starting
requestAnimFrame(animLoop);
settings.hexWidth = settings.baseHexWidth * settings.scale;
settings.blockHeight = settings.baseBlockHeight * settings.scale;
stepInitialLoad();
render();
}
else if (gameState == -1) {
requestAnimFrame(animLoop);
render();
}
else if (gameState == 2) {
requestAnimFrame(animLoop);
update();
render();
gameOverDisplay();
highscores = localStorage.getItem('highscores').split(',').map(Number);
for (var i = 0; i < numHighScores; i++) {
if (highscores[i] < score) {
for (var j = numHighScores - 1; j > i; j--) {
highscores[j] = highscores[j - 1];
}
highscores[i] = score;
break;
}
}
localStorage.setItem('highscores', highscores);
}
else {
gameState = 0;
}
}
requestAnimFrame(animLoop);
function isInfringing(clock){
for(var i=0;i<clock.sides;i++){
var subTotal=0;
for (var j=0;j<clock.blocks[i].length;j++){
subTotal+=clock.blocks[i][j].deleted ;
}
if (clock.blocks[i].length- subTotal>settings.rows){
return true;
}
}
return false;
}
function checkGameOver() {
for (var i = 0; i < MainClock.sides; i++) {
if (isInfringing(MainClock)) {
return true;
}
}
return false;
}
window.onblur = function (e) {
if(gameState==1){
pause();
}
};
function showHelp(){
pause(false,true);
if(document.getElementById("helpScreen").style.display=="none" || document.getElementById("helpScreen").style.display === ""){
document.getElementById("helpScreen").style.display = "block";
}
else if(document.getElementById("helpScreen").style.display=="block" ){
document.getElementById("helpScreen").style.display = "none";
}
showingHelp = !showingHelp;
}