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micromages.html
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<html><head>
<title>PICO-8 Cartridge</title>
<meta name="viewport" content="width=device-width">
<script type="text/javascript">
// Default shell for PICO-8 0.1.12
// options
// p8_autoplay true to boot the cartridge automatically after page load when possible
// if the browser can not create an audio context outside of a user gesture (e.g. on iOS), p8_autoplay has no effect
var p8_autoplay = false;
// When pico8_state is defined, PICO-8 will set .is_paused, .sound_volume and .frame_number each frame
// (used for determining button icons)
var pico8_state = [];
// When pico8_buttons is defined, PICO-8 reads each int as a bitfield holding that player's button states
// 0x1 left, 0x2 right, 0x4 up, 0x8 right, 0x10 O, 0x20 X, 0x40 menu
// (used by p8_update_gamepads)
var pico8_buttons = [0, 0, 0, 0, 0, 0, 0, 0]; // max 8 players
// used to display number of detected joysticks
var pico8_gamepads = {};
pico8_gamepads.count = 0;
// When pico8_mouse is defined, PICO-8 reads the 3 integers as X, Y and a bitfield for buttons: 0x1 LMB, 0x2 RMB
// var pico8_mouse = [0,0,0];
// When pico8_gpio is defined, reading and writing to gpio pins will read and write to these values
// var pico8_gpio = new Array(128);
// When pico8_audio_context context is defined, the html shell (this file) is responsible for creating and managing it
// Otherwise, PICO-8 will create its own one
var pico8_audio_context;
p8_gfx_dat={
"p8b_pause1": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAAAOUlEQVRIx2NgGPbg/8cX/0F46FtAM4vobgHVLRowC6hm0YBbQLFFoxaM4FQ0dHPy0C1Nh26NNugBAAnizNiMfvbGAAAAAElFTkSuQmCC",
"p8b_controls":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAAAQ0lEQVRIx2NgGAXEgP8fX/ynBaap4XBLhqcF1IyfYWQBrZLz0LEAlzqqxQFVLcAmT3MLqJqTaW7B4CqLaF4fjIIBBwBL/B2vqtPVIwAAAABJRU5ErkJggg==",
"p8b_full":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAAAN0lEQVRIx2NgGPLg/8cX/2mJ6WcBrUJm4CwgOSgGrQVEB8WoBaMWDGMLhm5OHnql6dCt0YY8AAA9oZm+9Z9xQAAAAABJRU5ErkJggg==",
"p8b_pause0":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAAAKUlEQVRIx2NgGHbg/8cX/7FhctWNWjBqwagFoxaMWjBqwagF5Fkw5AAAPaGZvsIUtXUAAAAASUVORK5CYII=",
"p8b_sound0":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAAANklEQVRIx2NgGDHg/8cX/5Hx0LEA3cChYwEugwavBcRG4qgFoxYMZwuGfk4efqXp8KnRBj0AAMz7cLDnG4FeAAAAAElFTkSuQmCC",
"p8b_sound1":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAAAPUlEQVRIx2NgGDHg/8cX/5Hx0LEA3cChYwEugwhZQLQDqG4BsZFIKMhGLRi1YChbMPRz8vArTYdPjTboAQCSVgpXUWQAMAAAAABJRU5ErkJggg==",
"p8b_close":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAAAU0lEQVRIx2NkoDFgpJsF/z+++I8iwS9BkuW49A+cBcRaREgf/Swg1SJi1dHfAkIG4EyOOIJy4Cwg1iJCiWDUAvItGLqpaOjm5KFfmg79Gm3ItioAl+mAGVYIZUUAAAAASUVORK5CYII=",
"controls_left_panel":"data:image/png;base64,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",
"controls_right_panel":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAASwAAAFeCAYAAAA/lyK/AAAKHklEQVR42u3dAZKaWBAGYE3tvfBmMCfDnGzWJLhLHHBGBt7rhu+rSiWbbAk8p3+7UeF0AgAAAAAAAAAAAOAQzpaAzN5vDlOsNwILhJXQSuIfP/YoZMGcxQ9LgLByfAILQGABAgtAYAEILEBgAQgsAIEFCCwAgQUgsACBBSCwAAQWILAABBYst/cL3LmA3/9ccRRFTRquZIigylKsrjwKAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMZ0tAXz0/v7eLi6q8/nNCgos2CKYmttvl+E/uw02cX/M6y3IflpxgQVLu6fuScC8HDIP4ff08XVhwNMwuf3q3z9qvzP+fTUgh1+P+iHkAP4Li6mQairtTzO3T54tEFRhu5mZrk9wwYGDqo0+ds10XYILjhRUjgOI2J30ezqRvcdjAmH1dzeyu6KeCC7dFiQt5sMU8mMwe/YhV9cx1jhuQKehswRWCKvm4GvRCC3I0VUYhT6GlvNaIKyEFiCshBYIK6EltKBuAQorawYKz9oBaxWct+uXraGPf0ChYuudh7GOkKkzUGTrhpZOFTYcBY0x1hR0A7pWQFF5MYDDFJSxpdBoaDVgp93Vk3sJzmmjdjF76rLc+Zmq3dXvH8KbKCF1+nPn5svDP12HX1Om/v9fukh3d4621pC1u2oD7cv4+vDtwscJeZ/BSOsNKbur2udVtrqlVtT7DDqXBQlf7aduo1UoFPsjrzvorpaFVdGbOUwEZHPEtYeMYdXU6jZqXzcqQmiN9sHHSOCFsaQpvN0mSIdT9WoKo3UwFkLEkSTaZWtqh6exEIK+uke9xta40zpKlwvGwc+32Qf+NH2VfTMWQsBRJMMXq2t9bcZYCF8rkrZ0UUYefWp9Ofke5tl+hn4oI0oVSOnOZfjjr+/0/Yy6LsO+XWusUa1tQorAKjwOphp5KnVZzmNB7YLM+BWUGvvsPBY8L45eIc7uc/FvANxP+GdaJ+ewKOm602192+hc1sUaCSwqjzsVtnVNuFTX0utVY3sCiyxdxNset5V1nzOukcBibzrHsF8CC6EVcCxEYIHAElgAAgtAYAECC0BgAQgsiOdiCQQWx9IJLIEFwsoxCCxYW8YL07mYnsDiYAU5+kJvxtHq8nAMAhIqhVWxq2m6gN/XA8sF/OCTDqKALmEHcV+b6w6fD0jZYbkJRaD9zdiJ6rAopSu8vWuWLmt8S7IDPC+QooNo3Uh1ch+r3kjViXd4HiBthaJ0q/qZtfFTCZ90PJUCoQ+4HtX2zT0J4esdT1Nwm81oNGwDrsV7hW03xkEIWijRQuthf5oK22+jn9uDw46FEUJiqrOqtR/GQUjw6v4QWjXOG/UBwso4CAsKpq+8/WLBMWyzD9Lh9cZBSDSSTARIv+G22ppdnXEQ1iviNsh+rHpCfgjETR57D+sOuqx1g6tfUtTD4/TRgmpP3dVZ6VArJE5/vsfWlbr+0xf36XL6eBWD62n+KgpT//8p0nFFXW+BRbou6/cP4U3QQD2dvv7l4G44ljdrDTvtsqJ/128n69w7dwUrvfJ7m33T9W28Mwi6LN0VKCq8GECSscVoaE1BN6BrBTYqMqFlHSHVGKMz+F6nahSEwqGl4KwdKDxrBqxZgL0CXBRWzluB0BJWgNASViC0hBVQr0C9XT8dVj7+AQlCqz/oGvTCCnJ2F4fpto563KDT0FkCtQt5b13HxO3IjICws6JOH1x7PCZgvttK243s5TiAhQUfvTuJeuNVoF5whRurJkY/QQWC64NqXddMNyWogE+7mXt4tRtvu50JKSfTX+QusByy6xr+2E388/jvrufz+ecroXj6+7b1s4+f+XbxAmv/hfH6E+MHuljnNQqZboNNdEvCD4Hlhx4vNgLLWGGsAEJ2Uk7cAuG7KW+NA9mCyocPgfBB5esdQPygchxAxO7EJUqAVN2Ii8ABYYvZZXaBFF2HGxkYEUGnobME1g4rN+MUWpCiqzAKndzuHISV0AKEldACYYXQgmAFKKysGSg8awesVXDerl+2hj7+AYWKrXcexjpCps5Aka0bWjpV2HAUNMZYU9AN6FoBReXFAA5TUMaWQqOh1YBA3dWeinLNY9FlwYrdVdTH28u67GltyOtH9u5q+GO31mOeb7J3Wvd9vx/LirqHdQcivOJn7Sa23m9dFjqsIN1V9k5rw85KlwUZXumzdBQl91OXhQ7rtYK5f3zhuvW2MnRahTqrsevD8wAC64nLluNgptCqEFbjdb8oIQg6kkQbhWruj7EQHdZr42BXetuROq1KndWHLstYiMD62jh4rbHxCKEVIKzG628shOijiLHUWIgO66VxpKYanVaQzirU84DAitxdhfqwYsnQChhWYZ8XBFYot5p9O1JoRQ2rSM8DROywwp4z2Wrfop8nch4LHdZz16Bd3+qdVuQxMPrzgcBSIAVDK0lYCSwE1kwBpzixu0ZoJQqrdM8PAqt0ILwl2MfFoZUtrJx4R2DtwJLQythZgcA6YGgJKxBYKUJLWIHAShFawgoEVorQElYgsFKElrACgZUmtIQVCKzwpkZCQGCFDavzQGiBwAofVo8jodACgRU6rIQWCKxUYSW0YOeBlemqAK98dCFraLlKAwJruqDfkhXyy5+zytxpuWoDAmvaZY9hlTi0LsoIZoIgeiGvtY9ZrpXumu7osOZ1e+2skndanVJCYM0HQxtwn1b/bmD00HLCHYH1vIDfghbuZl9kztBpOeEOT8IhUvGW2p+I54qcv0KH9bluKJZmz51V9E5rtP6dMkJgzbsOv1+OElZBQ+vy8HwAEUeRo2/fOIgOK8lYGOFKobU7LeMgvFgwwwt8f+Suotb+/Fr3YdONn0YIWKxRR6Aa+2UcxEi4fCxsSxRo7TEwyng4Wm/jIER7pfedPt0VOqwUXVamW3GV6LR0VxD0FT9rJ7Hlfuuu0GGt12X1axZmls6qVKc1Wl/dFazxyr/G2+x76SLWPI7Rx0h0V7BCQbVrfS5rT0W5YmDdP3flcjKgqI7xYgBMjC0+gW1NQTegawU2KjKhZR0h1RijM/hep2oUhMKhpeCsHSg8awasWYC9AlwUVs5bgdASVoDQElYgtIQVUK9AvV0/HVY+/gEJQqs/6Br0wgpydheH6baOetyg09BZArULeW9dx9BVGQFhx0WdPrj2eEzAfLeVthvZy3EACws+encydFSCCgRX3LFqYvQTVCC4PqjWdc10U4IK+LSbuYdXu/G225mQcjKdwzhbguUBMvyxm/jn8d9dz+fzz1dC8fbbZeax/vq72+O+eSYQWLzceY1CpttgE92S8AOBxZIu7PUnRvcEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACwwL/cvBIh09+hJAAAAABJRU5ErkJggg==",
};
function p8_update_button_icons()
{
// regenerate every frame (shouldn't be expensive?)
els = document.getElementsByClassName('p8_menu_button');
for (i = 0; i < els.length; i++)
{
el = els[i];
index = el.id;
if (index == 'p8b_sound') index += (pico8_state.sound_volume == 0 ? "0" : "1"); // 1 if undefined
if (index == 'p8b_pause') index += (pico8_state.is_paused > 0 ? "1" : "0"); // 0 if undefined
new_str = '<img width=24 height=24 style="pointer-events:none" src="'+p8_gfx_dat[index]+'">';
if (el.innerHTML != new_str)
el.innerHTML = new_str;
// hide all buttons for touch mode (can pause with menu buttons)
var is_visible = p8_is_running;
if (!p8_touch_detected && el.parentElement.id == "menu_buttons_touch")
is_visible = false;
if (p8_touch_detected && el.parentElement.id == "menu_buttons")
is_visible = false;
var is_fullscreen=(document.fullscreenElement || document.mozFullScreenElement || document.webkitIsFullScreen || document.msFullscreenElement);
if (is_fullscreen)
is_visible = false;
if (is_visible)
el.style.display="";
else
el.style.display="none";
}
requestAnimationFrame(p8_update_button_icons);
}
function abs(x)
{
return x < 0 ? -x : x;
}
// step 0 down 1 drag 2 up
function pico8_buttons_event(e, step)
{
if (!p8_is_running) return;
pico8_buttons[0] = 0;
var num = 0;
if (e.touches) num = e.touches.length;
for (var i = 0; i < num; i++)
{
var touch = null;
touch = e.touches[i];
//tindex = touch.identifier;
var x = touch.clientX;
var y = touch.clientY;
// same as svg drawing
var w = window.innerWidth;
var h = window.innerHeight;
var r = Math.min(w,h) / 12;
if (r > 40) r = 40;
b = 0;
if (y < h - r*8)
{
// no controller buttons up here; includes canvas and menu buttons at top in touch mode
}
else if ((y < h - r*6) && y > (h - r*8))
{
// menu button: half as high as X O button
// stretch across right-hand half above X O buttons
if (x > w - r*3)
b |= 0x40;
}
else if (x < w/2 && x < r*6)
{
// stick
mask = 0xf; // dpad
var cx = 0 + r*3;
var cy = h - r*3;
deadzone = r/3;
var dx = x - cx;
var dy = y - cy;
if (abs(dx) > abs(dy) * 0.6) // horizontal
{
if (dx < -deadzone) b |= 0x1;
if (dx > deadzone) b |= 0x2;
}
if (abs(dy) > abs(dx) * 0.6) // vertical
{
if (dy < -deadzone) b |= 0x4;
if (dy > deadzone) b |= 0x8;
}
}
else if (x > w - r*6)
{
// button; diagonal split from bottom right corner
mask = 0x30;
// one or both of [X], [O]
if ( (h-y) > (w-x) * 0.8) b |= 0x10;
if ( (w-x) > (h-y) * 0.8) b |= 0x20;
}
pico8_buttons[0] |= b;
}
}
// call this every frame -- browser is supposed to handle redundant changes, right?
// otherwise difficult to catch every case layout needs to be updated
function p8_update_layout()
{
var canvas = document.getElementById("canvas");
var p8_playarea = document.getElementById("p8_playarea");
var p8_container = document.getElementById("p8_container");
var p8_frame = document.getElementById("p8_frame");
var csize = 512;
var margin_top = 0;
var margin_left = 0;
// page didn't load yet? first call should be after p8_frame is created
if (!canvas || !p8_playarea || !p8_container || !p8_frame)
{
requestAnimationFrame(p8_update_layout);
return;
}
// assumes frame doesn't have padding
var is_fullscreen=(document.fullscreenElement || document.mozFullScreenElement || document.webkitIsFullScreen || document.msFullscreenElement);
var frame_width = p8_frame.offsetWidth;
var frame_height = p8_frame.offsetHeight;
if (is_fullscreen)
{
// same as window
frame_width = window.innerWidth;
frame_height = window.innerHeight;
}
else{
// never larger than window // (happens when address bar is down in portraight mode on phone)
frame_width = Math.min(frame_width, window.innerWidth);
frame_height = Math.min(frame_height, window.innerHeight);
}
// as big as will fit in a frame..
csize = Math.min(frame_width,frame_height);
// .. but never more than 2/3 of longest side for touch (e.g. leave space for controls on iPad)
if (p8_touch_detected && p8_is_running)
{
var longest_side = Math.max(window.innerWidth,window.innerHeight);
csize = Math.min(csize, longest_side * 2/3);
}
// pixel perfect: quantize to closest multiple of 128
// only when large display (desktop)
if (frame_width >= 512 && frame_height >= 512)
{
csize = (csize+1) & ~0x7f;
}
if (is_fullscreen)
{
// always center horizontally
margin_left = (frame_width - csize)/2;
if (p8_touch_detected)
{
if (window.innerWidth < window.innerHeight)
{
// portrait: keep at y=40 (avoid rounded top corners / camer num thing etc.)
margin_top = Math.min(40, frame_height - csize);
}
else
{
// landscape: put a little above vertical center
margin_top = (frame_height - csize)/4;
}
}
else{
// non-touch: center vertically
margin_top = (frame_height - csize)/2;
}
}
// mobile in portrait mode: put screen at top (w / a little space for fullscreen button)
// (don't cart about buttons overlapping screen)
if (p8_touch_detected && p8_is_running && document.body.clientWidth < document.body.clientHeight)
p8_playarea.style.marginTop = 32;
else if (p8_touch_detected && p8_is_running) // landscape: slightly above vertical center (only relevant for iPad / highres devices)
p8_playarea.style.marginTop = (document.body.clientHeight - csize) / 4;
else
p8_playarea.style.marginTop = "";
canvas.style.width = csize;
canvas.style.height = csize;
// to do: this should just happen from css layout
canvas.style.marginLeft = margin_left;
canvas.style.marginTop = margin_top;
p8_container.style.width = csize;
p8_container.style.height = csize;
// set menu buttons position to bottom right
el = document.getElementById("menu_buttons");
el.style.marginTop = csize - el.offsetHeight;
if (p8_touch_detected && p8_is_running)
{
// turn off pointer events to prevent double-tap zoom etc (works on Android)
// don't want this for desktop because breaks mouse input & click-to-focus when using codo_textarea
canvas.style.pointerEvents = "none";
p8_container.style.marginTop = "0px";
// buttons
// same as touch event handling
var w = window.innerWidth;
var h = window.innerHeight;
// doesn't work -- viewport changes size according to
//var w = document.body.clientWidth;
//var h = document.body.clientHeight;
var r = Math.min(w,h) / 12;
if (r > 40) r = 40;
el = document.getElementById("controls_right_panel");
el.style.left = w-r*6;
el.style.top = h-r*7;
el.style.width = r*6;
el.style.height = r*7;
if (el.getAttribute("src") != p8_gfx_dat["controls_right_panel"]) // optimisation: avoid reload? (browser should handle though)
el.setAttribute("src", p8_gfx_dat["controls_right_panel"]);
el = document.getElementById("controls_left_panel");
el.style.left = 0;
el.style.top = h-r*6;
el.style.width = r*6;
el.style.height = r*6;
if (el.getAttribute("src") != p8_gfx_dat["controls_left_panel"]) // optimisation: avoid reload? (browser should handle though)
el.setAttribute("src", p8_gfx_dat["controls_left_panel"]);
// scroll to cart (need to stop running with X)
p8_frame.scrollIntoView(true);
document.getElementById("touch_controls_gfx").style.display="table";
document.getElementById("touch_controls_background").style.display="table";
}
else{
document.getElementById("touch_controls_gfx").style.display="none";
document.getElementById("touch_controls_background").style.display="none";
}
if (!p8_is_running)
{
p8_playarea.style.display="none";
p8_container.style.display="flex";
p8_container.style.marginTop="auto";
el = document.getElementById("p8_start_button");
if (el) el.style.display="flex";
}
requestAnimationFrame(p8_update_layout);
}
var p8_touch_detected = false;
addEventListener("touchstart", function(event){p8_touch_detected = true; }, {passive: true});
function p8_create_audio_context()
{
if (pico8_audio_context)
{
pico8_audio_context.resume();
return;
}
var webAudioAPI = window.AudioContext || window.webkitAudioContext || window.mozAudioContext || window.oAudioContext || window.msAudioContext;
if (webAudioAPI)
{
pico8_audio_context = new webAudioAPI;
if (pico8_audio_context)
{
var source_sfx = pico8_audio_context.createBufferSource();
source_sfx.buffer = pico8_audio_context.createBuffer(1, 1, 22050); // dummy
source_sfx.connect(pico8_audio_context.destination);
source_sfx.start(1, 0.25);
//source_sfx.noteOn(0);
}
}
}
// just hides. can reopen in a paused state.
function p8_close_cart()
{
p8_is_running = false;
p8_touch_detected = false;
Module.pico8SetPaused(1);
}
var p8_is_running = false;
var p8_script = null;
var Module = null;
function p8_run_cart()
{
if (p8_is_running) return;
p8_is_running = true;
// create audio context and wake it up (for iOS -- needs happen inside touch event)
p8_create_audio_context();
// show touch elements
els = document.getElementsByClassName('p8_controller_area');
for (i = 0; i < els.length; i++)
els[i].style.display="";
// install touch events. These also serve to block scrolling / pinching / zooming on phones when p8_is_running
// moved event.preventDefault(); calls into pico8_buttons_event (want to let top buttons pass through)
addEventListener("touchstart", function(event){ pico8_buttons_event(event, 0); }, {passive: false});
addEventListener("touchmove", function(event){ pico8_buttons_event(event, 1); }, {passive: false});
addEventListener("touchend", function(event){ pico8_buttons_event(event, 2); }, {passive: false});
// load and run script
e = document.createElement("script");
p8_script = e;
e.onload = function(){
// show canvas / menu buttons only after loading
el = document.getElementById("p8_playarea");
if (el) el.style.display="table";
}
e.type = "application/javascript";
e.src = "micromages.js";
e.id = "e_script";
document.body.appendChild(e); // load and run
// hide start button and show canvas / menu buttons. hide start button
el = document.getElementById("p8_start_button");
if (el) el.style.display="none";
// add #playing for touchscreen devices (allows back button to close)
if (p8_touch_detected)
{
window.location.hash = "#playing";
window.onhashchange = function()
{
if (window.location.hash.search("playing") < 0)
p8_close_cart();
}
}
}
// gamepad https://developer.mozilla.org/en-US/docs/Web/API/Gamepad_API/Using_the_Gamepad_API
// (sets bits in pico8_buttons[])
function p8_update_gamepads() {
var threshold = 0.3;
var max_players = 8;
var gps = navigator.getGamepads() || navigator.webkitGetGamepads();
if (!gps) return;
pico8_gamepads.count = gps.length;
for (var i = 0; i < gps.length && i < max_players; i++) {
var gp = gps[i];
if (gp && gp.axes && gp.buttons)
{
pico8_buttons[i] = 0;
if (gp.axes[0] && gp.axes[0] < -threshold) pico8_buttons[i] |= 0x1;
if (gp.axes[0] && gp.axes[0] > threshold) pico8_buttons[i] |= 0x2;
if (gp.axes[1] && gp.axes[1] < -threshold) pico8_buttons[i] |= 0x4;
if (gp.axes[1] && gp.axes[1] > threshold) pico8_buttons[i] |= 0x8;
// buttons: first 4 are O/X; everything else is menu button
for (j = 0; j < gp.buttons.length; j++)
if (gp.buttons[j].value > 0 || gp.buttons[j].pressed)
{
if (j < 4)
pico8_buttons[i] |= (0x10 << (((j+1)/2)&1)); // 0 1 1 0 0 1 -- A,X are O,X on xbox controller
else
pico8_buttons[0] |= 0x40; // menu button
}
}
}
requestAnimationFrame(p8_update_gamepads);
}
requestAnimationFrame(p8_update_gamepads);
// key blocker. prevent cursor keys from scrolling page while playing cart.
// also don't act on M, R so that can mute / reset cart
document.addEventListener('keydown',
function (event) {
event = event || window.event;
if (!p8_is_running) return;
if (pico8_state.has_focus == 1)
if ([32, 37, 38, 39, 40, 77, 82, 9].indexOf(event.keyCode) > -1) // cursors, M R, tab
if (event.preventDefault) event.preventDefault();
},{passive: false});
function p8_request_fullscreen() {
var is_fullscreen=(document.fullscreenElement || document.mozFullScreenElement || document.webkitIsFullScreen || document.msFullscreenElement);
if (is_fullscreen)
{
if (document.exitFullscreen) {
document.exitFullscreen();
} else if (document.webkitExitFullscreen) {
document.webkitExitFullscreen();
} else if (document.mozCancelFullScreen) {
document.mozCancelFullScreen();
} else if (document.msExitFullscreen) {
document.msExitFullscreen();
}
return;
}
var el = document.getElementById("p8_playarea");
if ( el.requestFullscreen ) {
el.requestFullscreen();
} else if ( el.mozRequestFullScreen ) {
el.mozRequestFullScreen();
} else if ( el.webkitRequestFullScreen ) {
el.webkitRequestFullScreen( Element.ALLOW_KEYBOARD_INPUT );
}
}
</script>
<STYLE TYPE="text/css">
<!--
.p8_menu_button{
opacity:0.3;
padding:4px;
display:table;
width:24px;
height:24px;
float:right;
}
@media screen and (min-width:512px) {
.p8_menu_button{
width:24px; margin-left:12px; margin-bottom:8px;
}
}
.p8_menu_button:hover{
opacity:1.0;
cursor:pointer;
}
canvas{
image-rendering: optimizeSpeed;
image-rendering: -moz-crisp-edges;
image-rendering: -webkit-optimize-contrast;
image-rendering: optimize-contrast;
image-rendering: pixelated;
-ms-interpolation-mode: nearest-neighbor;
border: 0px;
cursor: none;
}
.p8_start_button{
cursor:pointer;
background:url("data:image/png;base64,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");
-repeat center;
-webkit-background-size:cover; -moz-background-size:cover; -o-background-size:cover; background-size:cover;
}
.button_gfx{
stroke-width:2;
stroke: #ffffff;
stroke-opacity:0.4;
fill-opacity:0.2;
fill:black;
}
.button_gfx_icon{
stroke-width:3;
stroke: #909090;
stroke-opacity:0.7;
fill:none;
}
-->
</STYLE>
</head>
<body style="padding:0px; margin:0px; background-color:#222; color:#ccc">
<!-- the itch app messes with the first found canvas // from @ultrabrite's shell-->
<canvas id="dummy4itchapp" style="position:absolute;visibility:hidden;width:0;height:0;"></canvas>
<div style="max-width:800px; max-height:800px; margin:auto"> <!-- optional div to limit size -->
<div id="p8_frame" style="display:flex; width:100%; max-width:100vw; height:100vw; max-height:100vh; margin:auto;">
<div id="menu_buttons_touch" style="position:absolute; width:100%; z-index:10; left:0px;">
<div class="p8_menu_button" id="p8b_full" style="float:left;margin-left:10px" onClick="p8_request_fullscreen();"></div>
<div class="p8_menu_button" id="p8b_sound" style="float:left;margin-left:10px" onClick="p8_create_audio_context(); Module.pico8ToggleSound();"></div>
<div class="p8_menu_button" id="p8b_close" style="float:right; margin-right:10px" onClick="p8_close_cart()"></div>
</div>
<div id="p8_container"
style="margin:auto; display:table;"
onclick="p8_create_audio_context(); p8_run_cart();">
<div id="p8_start_button" class="p8_start_button" style="width:100%; height:100%; display:flex;">
<img width=80 height=80 style="margin:auto;"
src="data:image/png;base64,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"/>
</div>
<div id="p8_playarea" style="display:none; margin:auto;">
<div id="touch_controls_background"
style=" pointer-events:none; display:none; background-color:#000;
position:fixed; top:0px; left:0px; border:0; width:100vw; height:100vh">
 
</div>
<div style="display:flex; position:relative">
<canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault();" ></canvas>
<div id="menu_buttons" style="width:0px; height:164px">
<div class="p8_menu_button" style="position:relative; left:44px" id="p8b_controls" onClick="Module.pico8ToggleControlMenu();"></div>
<div class="p8_menu_button" style="position:relative; left:44px" id="p8b_pause" onClick="Module.pico8TogglePaused();"></div>
<div class="p8_menu_button" style="position:relative; left:44px" id="p8b_sound" onClick="p8_create_audio_context(); Module.pico8ToggleSound();"></div>
<div class="p8_menu_button" style="position:relative; left:44px" id="p8b_full" onClick="p8_request_fullscreen();"></div>
</div>
</div>
<!-- display after first layout update -->
<div id="touch_controls_gfx"
style=" pointer-events:none; display:table;
position:fixed; top:0px; left:0px; border:0; width:100vw; height:100vh">
<img src="" id="controls_right_panel" style="position:absolute; opacity:0.5;">
<img src="" id="controls_left_panel" style="position:absolute; opacity:0.5;">
</div> <!-- touch_controls_gfx -->
<script type="text/javascript">
</script>
</div> <!--p8_playarea -->
</div> <!-- p8_container -->
</div> <!-- p8_frame -->
</div> <!-- size limit -->
<script type="text/javascript">
p8_update_layout();
p8_update_button_icons();
var canvas = document.getElementById("canvas");
Module = {};
Module.canvas = canvas;
// from @ultrabrite's shell: test if an AudioContext can be created outside of an event callback.
// If it can't be created, then require pressing the start button to run the cartridge
if (p8_autoplay)
{
var temp_context = new AudioContext();
temp_context.onstatechange = function ()
{
if (temp_context.state=='running')
{
p8_run_cart();
temp_context.close();
}
};
}
</script>
<!-- uncomment this if you want clipboard access
<textarea id="codo_textarea" class="emscripten" style="position:absolute; left:-9999px;"></textarea>
-->
</body></html>