hextris/js/main.js

409 lines
8.2 KiB
JavaScript

var textShown = false;
var showingHelp = false;
$(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);
});
});
$(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,
comboMultiplier: 240
};
} else {
settings = {
baseScale:1,
startDist:340,
creationDt:9,
scale:1,
prevScale:1,
hexWidth:65,
baseHexWidth:87,
baseBlockHeight:20,
blockHeight:15,
rows:8,
speedModifier:0.8,
creationSpeedModifier:0.6,
comboMultiplier:240
};
}
var framerate = 60;
var history = {};
var score = 0;
var isGameOver = 3;
var scoreAdditionCoeff = 1;
var prevScore = 0;
var numHighScores = 3;
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;
setStartScreen();
function resumeGame() {
gameState = 1;
hideUIElements();
$('#pauseBtn').show();
$('#restartBtn').show();
importing = 0;
startTime = Date.now();
}
function hideUIElements() {
$('#pauseBtn').hide();
$('#restartBtn').hide();
$('#startBtn').hide();
}
function init(b) {
if (b) {
clearSaveState();
}
hideUIElements();
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 = 1;
$("#restartBtn").show();
$("#pauseBtn").show();
if(saveState.clock !== undefined) gameState = 1;
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;
var i;
var block;
if(saveState.blocks) {
saveState.blocks.map(function(o){
if (rgbToHex[o.color]) {
o.color = rgbToHex[o.color];
}
});
for(i=0; i<saveState.blocks.length; i++) {
block = saveState.blocks[i];
blocks.push(block);
}
}
else {
blocks = [];
}
gdx = saveState.gdx || 0;
gdy = saveState.gdy || 0;
comboMultiplier = saveState.comboMultiplier || 0;
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;
}
}
MainClock.blocks.map(function(i){
i.map(function(o){
if (rgbToHex[o.color]) {
o.color = rgbToHex[o.color];
}
});
});
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();
}
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(j) {
if (!j) {
try {
var ih = JSON.parse(prompt("Import JSON"));
if (ih) {
init(1);
importing = 1;
importedHistory = ih;
}
}
catch (e) {
alert("Error importing JSON");
}
} else {
init();
importing = 1;
importedHistory = j;
}
}
function exportHistory() {
$('#devtoolsText').html(JSON.stringify(history));
toggleDevTools();
}
function setStartScreen() {
$('#startBtn').show();
if (!isStateSaved()) {
importHistory(introJSON);
} else {
init();
importing = 0;
}
gameState = 0;
requestAnimFrame(animLoop);
}
//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() {
switch (gameState) {
case 1:
requestAnimFrame(animLoop);
update();
render();
if (checkGameOver() && !importing) {
gameState = 2;
clearSaveState();
}
break;
case 0:
requestAnimFrame(animLoop);
if (importing) {
update();
}
render();
break;
case -1:
requestAnimFrame(animLoop);
render();
break;
case 2:
requestAnimFrame(animLoop);
update();
render();
break;
case 3:
requestAnimFrame(animLoop);
fadeOutObjectsOnScreen();
render();
default:
setStartScreen();
break;
}
}
function updateHighScore(){
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);
}
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)) {
updateHighScore();
gameOverDisplay();
return true;
}
}
return false;
}
window.onblur = function (e) {
if (gameState==1) {
pause();
}
};
function showHelp(){
if(gameState =1){
pause();
}
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;
}