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white-rabbit.html
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<!DOCTYPE html>
<html>
<head>
<title>phext.io | White Rabbit</title>
<link rel="StyleSheet" href="phext.css?rev=1" />
<style type="text/css">
#rabbit {
font-family: monospace;
padding-top: 20px;
}
body {
font-size: 1.6em;
margin-left: 40px;
}
#breadcrumbs {
position: absolute;
top: 0px;
left: 0px;
}
#banner {
height: 40px;
position: absolute;
top: 0px;
left: 0px;
width: 720px;
border-bottom: 2px solid white;
}
#score {
position: absolute;
top: 0px;
right: 0px;
width: 150px;
height: 40px;
background: #223243;
}
#coins {
position: absolute;
top: 4px;
left: 20px;
color: yellow;
font-family: monospace;
font-weight: bold;
font-size: 0.9em;
}
#questbox {
width: 720px;
height: 900px;
}
#title {
text-align: center;
width: 100%;
font-size: 3em;
}
#screen {
width: 98%;
height: 98%;
margin-top: 20px;
padding-top: 40px;
margin: 0 auto;
position: relative;
user-select: none;
}
#gameOver {
position: absolute;
top: 10%;
left: 35%;
width: 30%;
height: 70%;
font-size: 2.2em;
border: 3px solid white;
border-radius: 4px;
z-index: 2000;
background-color: black;
display: none;
text-align: center;
}
#player {
position: absolute;
top: 500px;
left: 600px;
z-index: 1000;
border-radius: 40px;
border: 3px solid white;
background-color: coral;
width: 40px;
height: 60px;
transition: 0.1s linear;
filter: drop-shadow(0 0 1rem white);
}
#enemy {
position: absolute;
top: 400px;
left: 400px;
z-index: 999;
border-radius: 80px;
border: 3px solid black;
background-color: black;
width: 80px;
height: 80px;
transition: 0.1s linear;
filter: drop-shadow(0 0 0.5rem red);
}
#board {
width: 90%;
height: 130%;
border: 10px solid #42fe42;
border-radius: 10px;
margin: 0 auto;
padding-left: 30px;
position: relative;
background: black;
clear: both;
}
#board .floor,
#board .wall,
#board .wall2,
#board #fox {
margin: 0;
padding: 0;
float: left;
transition: all 2s;
}
#board br {
height: 0px;
width: 0px;
}
#board #fox {
border: 1px solid gold;
background-color: blue;
}
#board .floor {
width: 1.5%;
height: 6%;
}
#board div.wall {
background-color: #424595;
width: 1.5%;
height: 6%;
}
#board div.wall2 {
background-color: #424242;
width: 1.5%;
height: 6%;
}
div.wall .inner,
div.wall2 .inner {
border: 1px solid white;
}
div.wall .inner,
div.wall2 .inner,
div.floor .inner {
height: 100%;
border-radius: 10px;
z-index: 3;
}
#board div.wall .inner:hover,
#board div.wall2 .inner:hover {
border: 1px solid yellow;
}
#top {
position: relative;
left: 10%;
background-color: black;
width: 90%;
}
#scoreLabel, #gamescore,
#livesLabel, #gamelives,
#healthLabel, #hp,
#soundLabel, #soundControl {
float: left;
}
#soundControl {
border: 3px solid white;
border-radius: 6px;
padding: 4px;
padding-left: 25px;
padding-right: 25px;
position: relative;
top: -6px;
margin-left: 10px;
}
#soundControl:hover {
background-color: white;
color: black;
cursor: pointer;
}
#timerLabel, #timer {
float: right;
}
#gamescore {
padding-left: 20px;
padding-right: 200px;
width: 100px;
}
#gamelives {
padding-left: 20px;
padding-right: 10px;
}
#hp {
margin-left: 30px;
padding-right: 200px;
margin-right: 100px;
background-color: red;
}
#timer {
padding-left: 20px;
padding-right: 200px;
width: 200px;
}
#bottom {
position: relative;
top: 0px;
height: 60px;
width: 90%;
margin-left: 5%;
}
#prev {
position: absolute;
bottom: 0px;
left: 10px;
border: 4px solid white;
padding: 10px;
padding-left: 20px;
padding-right: 20px;
}
#next {
position: absolute;
bottom: 0px;
right: 10px;
border: 4px solid white;
padding: 10px;
padding-left: 20px;
padding-right: 20px;
}
#select {
position: absolute;
bottom: 0px;
left: 45%;
border: 4px solid white;
padding: 10px;
padding-left: 20px;
padding-right: 20px;
}
#prev:hover,
#next:hover,
#select:hover {
background-color: grey;
cursor: pointer;
}
</style>
<script type="text/JavaScript">
// -----------------------------------------------------------------------------------------------------------
// @fn dgid
//
// @param id element identifier
// -----------------------------------------------------------------------------------------------------------
function dgid(id) {
return document.getElementById(id);
}
var TILES_MAX_WIDTH = 64;
var TILES_MAX_HEIGHT = 16;
var gameLog = '';
var re = false; // response
var co = false; // coins
var ss = false; // spheres
var qb = false; // questbox
var rb = false; // rabbit
var attempts = 0;
var nuggets = 0;
var spheres = 0;
if (localStorage.attempts) {
attempts = localStorage.attempts;
}
if (localStorage.nuggets) {
nuggets = localStorage.nuggets;
}
if (localStorage.spheres) {
spheres = localStorage.spheres;
}
// -----------------------------------------------------------------------------------------------------------
// @fn loadVars
//
// loads DOM elements. also see `loadVarsForNovaFox`
// -----------------------------------------------------------------------------------------------------------
function loadVars() {
if (!re) {
re = dgid("response");
}
if (!co) {
co = dgid("coins");
}
if (!ss) {
ss = dgid("spheres");
}
if (!qb) {
qb = dgid("questbox");
}
if (!rb) {
rb = dgid("rabbit");
}
}
var go = false; // gameOver
var sc = false; // soundControl
var gt = false; // game timer
var gs = false; // game score
var gl = false; // game lives
var hp = false; // health
var player = false;
var enemy = false;
// -----------------------------------------------------------------------------------------------------------
// @fn loadVarsForNovaFox
//
// loads element handles specifically for nova fox. also see `loadVars`
// -----------------------------------------------------------------------------------------------------------
function loadVarsForNovaFox() {
if (!go ) {
go = dgid("gameOver");
}
if (!sc) {
sc = dgid("soundControl");
}
if (!gt) {
gt = dgid("timer");
}
if (!gs) {
gs = dgid("gamescore");
}
if (!player) {
player = dgid("player");
}
if (!enemy) {
enemy = dgid("enemy");
}
if (!gl) {
gl = dgid("gamelives");
}
if (!hp) {
hp = dgid("hp");
}
}
// -----------------------------------------------------------------------------------------------------------
// @fn begin
//
// startup routine for the white rabbit module. provides access to nova fox and the chapters visualizer.
// -----------------------------------------------------------------------------------------------------------
function begin(token) {
loadVars();
if (token == "cortical") {
re.innerHTML = "Incorrect, a Cortical is someone who writes source code for the exocortex. Try again.";
}
if (token == "lurker") {
re.innerHTML = "Incorrect, a Lurker is someone who just doesn't understand Phext yet. Try again.";
}
if (token == "progress") {
re.innerHTML = "Incorrect, a Progress is someone who is just watching from a distance. Try again.";
}
if (token == "phexter") {
if (attempts == 0) {
re.innerHTML = "Perfect! A Phexter is spot on!";
}
else {
re.innerHTML = "Phexter is Correct! You may proceed.";
}
re.innerHTML += "<p><a href='white-rabbit.html?m=unlocked'>you may proceed to the game</a> or try the <a href='chapters.html'>city block visualizer</a></p>";
if (!localStorage.completed) {
++nuggets;
localStorage.nuggets = nuggets;
localStorage.completed = true;
}
}
++attempts;
++spheres;
localStorage.attempts = attempts;
localStorage.spheres = spheres;
updateScore();
}
// -----------------------------------------------------------------------------------------------------------
// @fn updateScore
//
// tells the user how many nuggets and spheres they've collected
// -----------------------------------------------------------------------------------------------------------
function updateScore() {
co.innerHTML = nuggets + " 🐔 " + spheres + " 📍";
}
const SMALL = 0.1;
var ai = 0.5; // max impulse
var di = SMALL; // drag
var minx = 5; // minimum X for player
var maxx = 93; // maximum x for player
var miny = 10; // minimum y for player
var maxy = 90; // maximum y for player
var ax = 0; // acceleration X
var ay = 0; // acceleration Y
var mx = 3.2; // max velocity X
var my = 3.2; // max velocity Y
var vx = 0; // velocity X
var vy = 0; // velocity Y
var px = 50; // position X
var py = 50; // position Y
var eax = 0.0; // enemy acceleration X
var eay = 0.0; // enemy acceleration Y
var evx = 0.5; // enemy velocity X
var evy = 0; // enemy velocity Y
var ex = 40; // enemy position X
var ey = 40; // enemy position Y
const EPSILON = 0.01;
var clock = 60;
function playAudio(mp3) {
if (soundEnabled) {
mp3.play();
}
}
// -----------------------------------------------------------------------------------------------------------
// @fn keypress
//
// event handler for key strokes - used to gather arrow key input for nova fox
//
// @param e keyboard event to process
// -----------------------------------------------------------------------------------------------------------
function keypress(e) {
if (e.isComposing) {
return;
}
if (clock <= 0) {
return;
}
var movementKey = false;
if (e.key == 'ArrowLeft') {
ax = -ai;
movementKey = true;
}
if (e.key == 'ArrowRight') {
ax = ai;
movementKey = true;
}
if (e.key == 'ArrowUp') {
ay = -ai;
movementKey = true;
}
if (e.key == 'ArrowDown') {
ay = ai;
movementKey = true;
}
gameLog += "\nkp {key: " + e.key + "};";
if (movementKey) {
playAudio(action);
}
}
var soundEnabled = !(localStorage.soundEnabled == 'false');
var doubleTap = new Audio('double-tap.mp3');
var action = new Audio('action.mp3');
var warp = new Audio('warp.mp3');
doubleTap.volume = 0.2;
action.volume = SMALL;
warp.volume = SMALL;
// -----------------------------------------------------------------------------------------------------------
// @fn screenClick
//
// mouse click event handler for nova fox
//
// @param e mouse event to process
// -----------------------------------------------------------------------------------------------------------
function screenClick(e) {
if (clock <= 0) {
return;
}
const topLeft = dgid("cell1_1").getBoundingClientRect();
const bottomRight = dgid("cell" + TILES_MAX_WIDTH + "_" + TILES_MAX_HEIGHT).getBoundingClientRect();
const scWidth = (bottomRight.x - topLeft.x);
const scHeight = (bottomRight.y - topLeft.y);
const scX = 100*(e.x/scWidth - SMALL);
const scY = 100*(e.y/scHeight - 2*SMALL);
const deltaX = scX - px;
const deltaY = scY - py;
vx += deltaX / 24;
vy += deltaY / 24;
gameLog += "\nmc {x:" + e.x + ", y:" + e.y + "};";
playAudio(warp);
}
// -----------------------------------------------------------------------------------------------------------
// @fn render
//
// generates the main entry point for the white rabbit
// -----------------------------------------------------------------------------------------------------------
var questText = "";
function render() {
loadVars();
updateScore();
var urlSearchParams = new URLSearchParams(window.location.search);
var params = Object.fromEntries(urlSearchParams.entries());
if (params.m && params.m == 'unlocked') {
questText = startGame();
} else {
questText = "<p<strong>level 0:</strong><br />";
questText += "which <strong>term</strong> accurately describes someone who studies knowledge via phext?</p>";
questText += "<input type='button' value='phexter' onclick='begin(\"phexter\");' />";
questText += "<input type='button' value='lurker' onclick='begin(\"lurker\");' />";
questText += "<input type='button' value='cortical' onclick='begin(\"cortical\");' />";
questText += "<input type='button' value='progress' onclick='begin(\"progress\");' />";
questText += "<p>Answer: <span id='response'></span></p>";
}
qb.innerHTML = questText;
loadVarsForNovaFox();
setSoundEnabledVisualState();
}
var elFudge = 0;
// -----------------------------------------------------------------------------------------------------------
// @fn expandLoader
//
// Translates hex digits to a rotating visualization, meant for testing mostly. Will be replaced by phorge.
// this method has side effects dominated by `elFudge` intentionally.
//
// @param c hex digit to translate
// -----------------------------------------------------------------------------------------------------------
function expandLoader(c) {
const hex = "0123456789abcdef";
var value = (parseInt(c, 16) + elFudge) % 10;
const lookup = "=A ";
++elFudge;
return lookup.charAt(value);
}
// -----------------------------------------------------------------------------------------------------------
// @fn loadLevel
//
// Loads the given level (or accepts one passed via the query string using the 'game' key).
//
// @param level the game level to load
// -----------------------------------------------------------------------------------------------------------
function loadLevel(level) {
var data = levels[level];
var urlSearchParams = new URLSearchParams(window.location.search);
var params = Object.fromEntries(urlSearchParams.entries());
if (params.game) {
var lines = 0;
data = "";
while (lines < TILES_MAX_HEIGHT) {
for (var i = 0; i < TILES_MAX_WIDTH; ++i) {
data += expandLoader(params.game.charAt(i));
}
data += "\n";
++lines;
}
}
var parts = data.split("\n");
var output = "";
var geometry1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ01234";
var geometry2 = "abcdefghijklmnopqrstuvwxyz56789";
var style1 = 'wall';
var style2 = 'wall2';
for (var j = 0; j < TILES_MAX_HEIGHT; ++j)
{
for (var i = 0; i < TILES_MAX_WIDTH; ++i)
{
var source = parts[j].charAt(i);
var cell = source;
var cellID = "cell" + (i+1) + "_" + (j+1);
cell = cell.replaceAll(geometry1.charAt(source), "_;_");
cell = cell.replaceAll(geometry2.charAt(source), "_;;_");
cell = cell.replaceAll(" ", "_;;;_");
cell = cell.replaceAll("=", "-;;-<div class='" + style1 + "'><div id='" + cellID + "' class='inner'></div></div>");
cell = cell.replaceAll("_;_", "\n<div class='" + style2 + "'><div id='" + cellID + "' class='inner'></div></div>");
cell = cell.replaceAll("_;;_", "\n<div class='" + style2 + "'><div id='" + cellID + "' class='inner'></div></div>");
cell = cell.replaceAll("_;;;_", "\n<div class='floor'><div id='" + cellID + "' class='inner'></div></div>");
cell = cell.replaceAll("-;;-", "\n");
output += cell;
}
output += "<br style='clear:both;' />";
}
return output;
}
// -----------------------------------------------------------------------------------------------------------
// @fn prevGame
//
// Event handler for the 'prev game' action. Decrements `gameLevel`, then re-renders nova fox.
// -----------------------------------------------------------------------------------------------------------
var gameLevel = 1;
function prevGame() {
--gameLevel;
if (gameLevel < 1) { gameLevel = 1; }
render();
}
// -----------------------------------------------------------------------------------------------------------
// @fn nextGame
//
// Event handler for the 'next game' action. Increments `gameLevel` and re-renders nova fox.
// -----------------------------------------------------------------------------------------------------------
function nextGame() {
++gameLevel;
if (gameLevel > 42) { gameLevel = 42; }
render();
}
// -----------------------------------------------------------------------------------------------------------
// @fn screenToCell
//
// Converts the logical coordinates and neighbor indicator to a specific cell element.
// -----------------------------------------------------------------------------------------------------------
function screenToCell(x, y, neighbor) {
var coords = coordinatesToIndex(x, y);
if (neighbor == 'n') { --coords.y; }
if (neighbor == 'e') { ++coords.x; }
if (neighbor == 's') { ++coords.y; }
if (neighbor == 'w') { --coords.x; }
if (neighbor == 'ne') { --coords.y; ++coords.x; }
if (neighbor == 'se') { ++coords.y; ++coords.x; }
if (neighbor == 'sw') { ++coords.y; --coords.x; }
if (neighbor == 'nw') { --coords.y; --coords.x; }
if (coords.x < 1) { coords.x = 1; }
if (coords.x > TILES_MAX_WIDTH) { coords.x = TILES_MAX_WIDTH; }
if (coords.y < 1) { coords.y = 1; }
if (coords.y > TILES_MAX_HEIGHT) { coords.y = TILES_MAX_HEIGHT; }
return coordsToCell(coords.x, coords.y);
}
// -----------------------------------------------------------------------------------------------------------
// @fn coordsToCell
//
// Selects the given cell from our game matrix.
//
// @param x the column number (1 to TILES_MAX_WIDTH)
// @param y the row number (1 to TILES_MAX_HEIGHT)
// -----------------------------------------------------------------------------------------------------------
function coordsToCell(x, y) {
return dgid("cell" + x + "_" + y);
}
// -----------------------------------------------------------------------------------------------------------
// @fn coordinatesToIndex
//
// Fuzzy conversion of a set of percentage coordinates to numeric indexes. Over-samples a bit.
//
// @param x a number in the range [5-95] to be converted to a column index
// @param y a number in the range [5-95] to be converted to a row index
//
// @return a tuple containing x and y indexes into our matrix
// -----------------------------------------------------------------------------------------------------------
function coordinatesToIndex(x, y) {
x = Math.round(x * 0.72, 0) - 2;
y = Math.round(y * 0.2, 0);
return {x: x, y: y};
}
// -----------------------------------------------------------------------------------------------------------
// @fn getShadowColor
//
// Calculates the shadow color for a given orbital and node.
//
// @param orbital a designation indicating which orbit type to select
// @param vx x velocity to modulate the output with
// @param vy y velocity to modulate the output with
//
// @return a color representing the risk/reward of traveling through a cell
// -----------------------------------------------------------------------------------------------------------
function getShadowColor(orbital, vx, vy) {
if (regenerating) {
return "#20fe80";
}
// red green blue
var red = "74";
var green = "82";
var blue = "72";
const magnitude = 1.6;
if (vx < -magnitude) { red = "42"; }
if (vx > magnitude) { red = "e9"; }
if (vy < -magnitude) { green = "88"; }
if (vy > magnitude) { green = "c6"; }
var velocity = Math.sqrt(vx*vx+vy*vy);
if (velocity < -magnitude) { blue = "40"; }
if (velocity > magnitude) { blue = "bf"; }
if (orbital == 'nw' || orbital == 'ne' || orbital == 'sw' || orbital == 'se') {
return "#" + red + "42" + blue;
}
if (orbital == 'w' || orbital == 'n' || orbital == 's' || orbital == 'e') {
return "#64" + green + blue;
}
return "#3a3a" + blue;
}
const ENEMY_CRIT = 10;
const ENEMY_HIT = 30;
const DAMAGE = 1;
const CRIT_DAMAGE = 5;
var lives = 3;
var health = 100;
var lastCell = false;
var enemyCell = false;
var regenerating = false;
var orbitals = Array(
'nw', 'n', 'ne',
'w', '', 'e',
'sw', 's', 'se'
);
// -----------------------------------------------------------------------------------------------------------
// @fn timingLoop
//
// Applies physics calculations for our player - velocity and position mostly. Invokes itself every 100ms
// until the clock runs out.
// -----------------------------------------------------------------------------------------------------------
function timingLoop() {
var velocity = Math.sqrt(vx*vx + vy*vy);
gt.innerHTML = Math.round(clock) + " v: " + velocity.toFixed(2);
gs.innerHTML = getGameScore();
gl.innerHTML = lives;
if (regenerating) { health = 100; }
if (health < EPSILON) { health = 0; }
hp.innerHTML = health.toFixed(0);
hp.style.paddingRight = health * 2 + "px";
hp.style.marginRight = (100 + (100-health)) + "px";
gameLog += "\ntl {ax: " + ax + ", ay: " + ay + ", vx: " + vx + ", vy: " + vy + ", px: " + px + ", py: " + py + "};";
evx += (Math.random() - 0.5)/2;
evy += (Math.random() - 0.5)/2;
if (evy < -my) { evy = -my; }
if (evy > my) { evy = my; }
if (evx < -mx) { evx = -mx; }
if (evx > mx) { evx = mx; }
evx -= vy;
evy -= vx;
if (ex < 30) { evx += mx; }
if (ex > 70) { evx -= mx; }
if (ey < 20) { evy += my; }
if (ey > 80) { evy -= my; }
if (ax > EPSILON) { ax -= di; }
if (ax < -EPSILON) { ax += di; }
if (ay > EPSILON) { ay -= di; }
if (ay < -EPSILON) { ay += di; }
if (vx > EPSILON) { vx -= di; }
if (vx < -EPSILON) { vx += di; }
if (vy > EPSILON) { vy -= di; }
if (vy < -EPSILON) { vy += di; }
vx += ax;
vy += ay;
if (vx > mx) { vx = mx; } if (evx > mx) { evx = mx; }
if (vx < -mx) { vx = -mx; } if (evx < -mx) { evx = -mx; }
if (vy > my) { vy = my; } if (evy > my) { evy = my; }
if (vy < -my) { vy = -my; } if (evy < -my) { evy = -my; }
px += vx; ex += evx;
py += vy; ey += evy;
if (px < minx) { px = minx; } if (ex < minx) { ex = minx; }
if (px > maxx) { px = maxx; } if (ex > maxx) { ex = maxx; }
if (py < miny) { py = miny; } if (ey < miny) { ey = miny; }
if (py > maxy) { py = maxy; } if (ey > maxy) { ey = maxy; }
player.style.top = py + "%";
player.style.left = px + "%";
enemy.style.top = ey + "%";
enemy.style.left = ex + "%";
const enemyDistance = Math.sqrt((px-ex)*(px-ex) + (py-ey)*(py-ey));
if (regenerating == false) {
if (enemyDistance < ENEMY_HIT) {
if (enemyDistance < ENEMY_CRIT) {
health -= CRIT_DAMAGE;
playAudio(doubleTap);
}
health -= DAMAGE;
}
if (health < EPSILON) {
--lives;
if (lives < 1) {
clock = 0;
gameResult = "You Died";
} else {
playAudio(warp);
regenerating = true;
setTimeout(() => {
regenerating = false;
clock += 10;
}, 5000);
}
}
}
for (var o = 0; o < orbitals.length; ++o) {
var cell = screenToCell(px, py, orbitals[o]);
var enemyCell = screenToCell(ex, ey, orbitals[o]);
if (cell) {
cell.style.backgroundColor = getShadowColor(orbitals[o], vx, vy);
cell.style.minHeight = "22px";
cell.style.border = '1px solid white';
cell.style.scale = "1.1";
if (health < 99) {
health += 0.05;
}
if (enemyDistance < ENEMY_HIT) {
cell.style.border = '1px solid yellow';
cell.style.backgroundColor = 'grey';
}
if (enemyDistance < ENEMY_CRIT) {
cell.style.border = '1px solid white';
cell.style.backgroundColor = 'red';
}
lastCell = cell;
setTimeout(() => {
if (lastCell != cell && enemyCell != cell && cell) {
cell.style.backgroundColor = '';
cell.style.scale = '';
}
}, 200);
if (enemyCell && enemyCell.style.backgroundColor != '') {
enemyCell.style.backgroundColor = '';
enemyCell.style.border = '';
baseScore += 10;
playAudio(warp);
}
}
}
clock -= SMALL;
if (clock > 4*SMALL) {
setTimeout(timingLoop, 100);
} else {
gameOver();
}
}
// -----------------------------------------------------------------------------------------------------------
// @fn getGameScore
//
// Produces a point in time estimate of the score based upon the current game state.
// -----------------------------------------------------------------------------------------------------------
var baseScore = 0;
function getGameScore() {
var score = baseScore;
for (var i = 1; i < TILES_MAX_WIDTH; ++i) {
for (var j = 1; j < TILES_MAX_HEIGHT; ++j) {
var cell = coordsToCell(i, j);
if (cell) {
const test = cell.style.backgroundColor;
if (test == 'grey') {
score += 10;
}
if (test.match("114") != null) {
score += 77;
}
if (test.match("116") != null) {
score += 55;
}
if (test.match("130") != null) {
score += 33;
}
if (test.length > 0) {
score += 3;
}
}
}
}
return score;
}
// -----------------------------------------------------------------------------------------------------------
// @fn gameOver
//
// Renders the final score board.
// -----------------------------------------------------------------------------------------------------------
var gameResult = "Game Over";
function gameOver() {
go.style.display = 'block';
var score = getGameScore().toLocaleString();
digestGame().then((gameHash) => {
playAudio(doubleTap);
const displayHash = gameHash.replace(/(.{16})/g, "$1\n");
console.log("Game Hash: " + displayHash);
var result = "<h1>" + gameResult + "</h1><p>Score: " + score + "</p>";
if (gameResult == "You Died") {
result += "<p>Try Again!</p>";
} else {
result += "<p><a href='white-rabbit.html?m=unlocked&game=" + gameHash + "'>Next Level</a></p>";
}
go.innerHTML = result;
}
);
}
// -----------------------------------------------------------------------------------------------------------
// @fn digestGame
//
// Computes a SHA-512 hash of the gameplay log.
// -----------------------------------------------------------------------------------------------------------
async function digestGame() {
const buffer = new TextEncoder().encode(gameLog);
const hashBuffer = await crypto.subtle.digest("SHA-512", buffer);
const hashArray = Array.from(new Uint8Array(hashBuffer));
return hashArray.map((b) => b.toString(16).padStart(2, "0")).join("");
}
// -----------------------------------------------------------------------------------------------------------
// @fn toggleSound
//
// Toggles sound on or off depending upon the initial state, which is persisted locally.
// -----------------------------------------------------------------------------------------------------------
function toggleSound() {
soundEnabled = !soundEnabled;
setSoundEnabledVisualState();
localStorage.soundEnabled = soundEnabled;
}
// -----------------------------------------------------------------------------------------------------------
// @fn setSoundEnabledVisualState
//
// Renders the current sound state in the GUI.
// -----------------------------------------------------------------------------------------------------------
function setSoundEnabledVisualState() {
sc.innerHTML = soundEnabled ? "ON" : "OFF";
}
// -----------------------------------------------------------------------------------------------------------
// @fn startGame
//
// Kickstarts nova fox!
// -----------------------------------------------------------------------------------------------------------
function startGame() {
setTimeout(timingLoop, 100);
dgid("intro").innerHTML = "";
qb.style.width = "100%";
var data = loadLevel(gameLevel);
var levelDisplay = gameLevel;
if (coordinate[gameLevel]) {
levelDisplay = coordinate[gameLevel];
}
var board = `
<div id="title">Nova Fox</div>
<div id="screen" onclick="screenClick(event);">
<div id="gameOver"></div>
<div id="top">
<div id="scoreLabel">score:</div><div id="gamescore">0</div>
<div id="livesLabel">lives:</div><div id="gamelives">3</div>
<div id="healthLabel">hp:</div><div id="hp">100</div>
<div id="soundLabel">sound:</div><div id="soundControl" onclick="toggleSound();">ON</div>
<div id="timer">1,000,000</div><div id="timerLabel">time:</div>
</div>
<div id="player"></div>
<div id="enemy"></div>
<div id="board">
` + data + `
</div>
<div id="bottom">
<input type="button" id="prev" onclick="prevGame();" value="Prev" />
<input type="button" id="select" value="Select ` + levelDisplay + `" />
<input type="button" id="next" onclick="nextGame();" value="Next" />
</div>
</div>
`.trim();
return board;
}
</script>
</head>