hextris/js/main.js
2014-05-25 10:41:06 -04:00

357 lines
8.2 KiB
JavaScript

$(document).ready(scaleCanvas);
$(window).resize(scaleCanvas);
function scaleCanvas() {
canvas.width = $(window).width();
canvas.height = $(window).height();
canvas.originalHeight = canvas.height;
canvas.originalWidth = canvas.width;
}
var canvas = document.getElementById('canvas');
var ctx = canvas.getContext('2d');
var count = 0;
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 = {
scale:1,
prevScale:1,
baseHexWidth:87,
hexWidth:87,
baseBlockHeight:20,
blockHeight:20,
rows:6,
speedModifier:0.8,
creationSpeedModifier:0.8
};
} else {
settings = {
scale:1,
prevScale:1,
hexWidth:65,
baseHexWidth:87,
baseBlockHeight:20,
blockHeight:15,
rows:8,
speedModifier:1,
creationSpeedModifier:0.8
};
}
var firstTime = 1;
var gameState = 0;
var framerate = 60;
var history = {};
var score = 0;
var scoreScalar = 1;
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;
function init() {
history = {};
importedHistory = undefined;
importing = 0;
isGameOver = 2;
score = 0;
prevScore = 0;
spawnLane = 0;
scoreScalar = 1;
gameState = -2;
count = 0;
blocks = [];
MainClock = new Clock(settings.hexWidth);
MainClock.y = -100/(window.devicePixelRatio ? window.devicePixelRatio : 1);
startTime = Date.now();
waveone = new waveGen(MainClock,Date.now(),[1,1,0],[1,1],[1,1]);
if (firstTime) {
firstTime = 0;
requestAnimFrame(animLoop);
}
}
function addNewBlock(blocklane, color, iter, distFromHex, settled) { //last two are optional parameters
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();
}
//remember to update history function to show the respective iter speeds
function update() {
settings.hexWidth = settings.baseHexWidth * settings.scale;
settings.blockHeight = settings.baseBlockHeight * settings.scale;
var now = Date.now();
if (now - prevTimeScored > 1000) {
score += 5 * (scoreScalar * scoreAdditionCoeff);
prevTimeScored = now;
}
if (importing) {
if (importedHistory[count]) {
if (importedHistory[count].block) {
addNewBlock(importedHistory[count].block.blocklane, importedHistory[count].block.color, importedHistory[count].block.iter, importedHistory[count].block.distFromHex, importedHistory[count].block.settled);
}
if (importedHistory[count].rotate) {
MainClock.rotate(importedHistory[count].rotate);
}
}
}
else if (gameState == 1) {
waveone.update();
if (now - waveone.prevTimeScored > 1000) {
score += 5 * (scoreScalar * scoreAdditionCoeff);
waveone.prevTimeScored = now;
}
}
var i;
var objectsToRemove = [];
for (i in blocks) {
MainClock.doesBlockCollide(blocks[i]);
if (!blocks[i].settled) {
if (!blocks[i].initializing) blocks[i].distFromHex -= blocks[i].iter * settings.scale;
} else if (!blocks[i].removed) {
blocks[i].removed = 1;
}
}
var lDI;
for (i = 0; i < MainClock.blocks.length; i++) {
lDI = 99;
for (j = 0; j < MainClock.blocks[i].length; j++) {
block = MainClock.blocks[i][j];
if (block.deleted == 2) {
MainClock.blocks[i].splice(j,1);
if (j < lDI) lDI = j;
j--;
}
}
if (lDI < MainClock.blocks[i].length) {
for (var q = lDI; q < MainClock.blocks[i].length; q++) {
MainClock.blocks[i][q].settled = 0;
}
}
}
var block;
var j;
for (i in MainClock.blocks) {
for (j = 0; j < MainClock.blocks[i].length; j++) {
block = MainClock.blocks[i][j];
MainClock.doesBlockCollide(block, j, MainClock.blocks[i]);
if (!MainClock.blocks[i][j].settled) {
MainClock.blocks[i][j].distFromHex -= block.iter * settings.scale;
}
}
}
for(i=0;i<blocks.length;i++){
if(blocks[i].removed == 1){
blocks.splice(i,1);
i--;
}
}
count++;
if (score != prevScore) {
updateScoreboard();
prevScore = score;
}
}
function render() {
ctx.clearRect(0, 0, canvas.originalWidth, canvas.originalHeight);
clearGameBoard();
if (gameState == -2) {
if (Date.now() - startTime > 1300) {
var op = (Date.now() - startTime - 1300)/500;
if (op > 1) {
op = 1;
}
ctx.globalAlpha = op;
drawPolygon(canvas.originalWidth / 2 , canvas.originalHeight / 2 , 6, (settings.rows * settings.blockHeight) * (2/Math.sqrt(3)) + settings.hexWidth, 30, "#bdc3c7", false,6);
ctx.globalAlpha = 1;
}
} else {
drawPolygon(canvas.originalWidth / 2 + gdx, canvas.originalHeight / 2 + gdy, 6, (settings.rows * settings.blockHeight) * (2/Math.sqrt(3)) + settings.hexWidth, 30, '#bdc3c7', false, 6);
}
var i;
for (i in MainClock.blocks) {
for (var j = 0; j < MainClock.blocks[i].length; j++) {
var block = MainClock.blocks[i][j];
block.draw(true, j);
}
}
for (i in blocks) {
blocks[i].draw();
}
MainClock.draw();
settings.prevScale = settings.scale;
}
function stepInitialLoad() {
var dy = getStepDY(Date.now() - startTime, 0, (100 + canvas.height/2)/(window.devicePixelRatio ? window.devicePixelRatio : 1), 1300);
if (Date.now() - startTime > 1300) {
MainClock.dy = 0;
MainClock.y = (canvas.height/2)/(window.devicePixelRatio ? window.devicePixelRatio : 1);
if (Date.now() - startTime - 500 > 1300) {
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()) {
isGameOver--;
if (isGameOver === 0) {
gameState = 2;
}
}
}
else if (gameState === 0) {
clearGameBoard();
showModal('Start!', 'Press enter to start!');
}
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) {
showModal('Paused!', 'Press "P" to continue.');
}
else if (gameState == 2) {
requestAnimFrame(animLoop);
update();
render();
showModal('Game over: ' + score + ' pts!', 'Press enter to restart!');
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 checkGameOver() {
for (var i = 0; i < MainClock.sides; i++) {
if (MainClock.blocks[i].length > settings.rows) {
return true;
}
}
return false;
}
window.onblur = function (e) {
if (gameState == 1) gameState = -1;
};