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index.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>PBJ Sandbox β Point Based Joints Physics Toy</title>
<meta name="viewport" content="initial-scale=1, maximum-scale=1">
<style>
body,
html {
width: 100%;
height: 100%;
padding: 0;
margin: 0;
border: 0;
overflow: hidden;
font-family: sans-serif;
}
#always-available-controls {
position: absolute;
top: 0;
left: 0;
}
kbd {
display: inline-block;
vertical-align: baseline;
border: 1px solid rgba(128, 128, 128, .8);
border-radius: 3px;
padding: 2px 5px;
}
button {
margin: 2px;
padding: 4px;
vertical-align: bottom
}
h3 {
margin-top: 8px;
margin-bottom: 3px;
}
label {
display: block;
}
label:not(:last-child) {
margin-bottom: 3px;
}
.padded {
padding: 5px;
line-height: 1.8em;
}
.tools-window .window-content button {
width: 200px;
}
input[type=number] {
width: 50px;
}
.window-content {
padding: 5px;
overflow: auto;
}
.window-content button {
min-width: 100px;
padding-left: 20px;
padding-right: 20px;
white-space: nowrap;
user-select: none;
}
/* 98.css defines this, but I'm including it here to use it for all themes */
.field-row {
display: flex;
align-items: center;
}
.field-row-stacked {
display: flex;
flex-direction: column;
}
/* 98.css normally has this on label generally but I made it more specific (in my custom build and here) */
.field-row label {
display: inline-flex;
align-items: center;
}
/* this wrapper is used for retrofuturist theme, but needs to be defined for all themes (given that it's in the DOM) */
.select-wrapper {
display: inline-block;
}
</style>
<link rel="stylesheet" href="lib/os-gui/layout.css" />
<link rel="stylesheet" href="theme/windows-98-theme.css" id="windows-98-theme" disabled />
<link rel="stylesheet" href="theme/retrofuturist-theme.css" id="retrofuturist-theme" disabled />
<link rel="stylesheet" href="theme/sandbox-theme.css" id="sandbox-theme" />
<link rel="icon" href="pbj-sandbox-logo.svg" type="image/svg+xml" />
<script src="lib/jquery-3.6.0.slim.js"></script>
<script src="lib/os-gui/$Window.js"></script>
<script src="lib/arson.js"></script>
</head>
<body>
<!-- "window-content" here is a hack so I don't have to change all the scoped CSS -->
<div id="always-available-controls" class="window-content">
<button id='tools-button' title='Switch between interaction modes, such as dragging or shape-adding.'><span>
<img style="display: none; vertical-align: middle;" class="for-win98-only" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAMAAAAoLQ9TAAAANlBMVEUAAACBgICAgYCAgIGAgIABAAD///7//////v8AAAD+///AwMDBwMDAwMHAwcAAAAGAgAD//wDZ76ZXAAAAEnRSTlMA//////////////////////9ewYY+AAAAWUlEQVR4nKXOQQ6AMAgEQIorFNGW/v+zRq2J7dU9kclCIKLERAsDK/VAwCIq2TqkDZ73o7B0gdfqxVFNHzEzAmDX9J65cYj5DDpBxAihOu6EtrES7T98Pj0B7MwDnan62uIAAAAASUVORK5CYII=">
Tools
</span></button>
<button id='options-button' title='Change simulation settings, audio, and UI theme.'><span>
<img style="display: none; vertical-align: middle;" class="for-win98-only" src="data:image/png;base64,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">
Options
</span></button>
<button id='help-button' title='Get help on using this application.' aria-keyshortcuts="F1"><span>
<img style="display: none; vertical-align: middle;" class="for-win98-only" src="data:image/png;base64,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">
Help
</span></button>
<button id='about-button' title='Show information about this application.'><span>
<img style="display: none; vertical-align: middle;" class="for-win98-only" src="data:image/png;base64,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">
About
</span></button>
<button id='todo-button' title='See noted future improvements.'><span>
<img style="display: none; vertical-align: middle;" class="for-win98-only" src="data:image/png;base64,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">
Todo
</span></button>
</div>
<script>
// Hack: There's no global window creation / close event in the os-gui library, yet.
// This is just for animation on window creation / close.
// Note that this makes it impossible to prevent windows from closing, as we always prevent it and then force it to close.
let old_$Window = $Window;
$Window = function (...args) {
let $w = old_$Window(...args);
// Windows 98 didn't have these animations!
// But note that the theme can change while windows are open.
if (window.windowTheme !== "windows-98-theme") {
$w.css({
opacity: 0,
transition: "none",
});
setTimeout(() => {
$w.css({
transition: "opacity 0.2s ease-in-out",
});
setTimeout(() => {
$w.css({
opacity: 1,
});
}, 0);
}, 0);
}
$w.on("close", (event) => {
if (window.windowTheme === "windows-98-theme") {
return;
}
$w.closed = "CLOSED OR CLOSING";
event.preventDefault();
$w.addClass("closing");
$w.css({
transition: "opacity .3s ease-out, transform .3s ease-out",
opacity: 0,
transform: "scale(0.9)",
});
setTimeout(() => {
// $w.remove();
$w.close(true); // generates a "closed" event
}, 5100);
});
return $w;
};
</script>
<script src="main.js"></script>
<script>
// helper for software demos
// display keystrokes in a list that fade away after a bit
function visualizeKeystrokes() {
var useSymbols = false;
var maxListLength = 10;
var ul = document.createElement("ul");
ul.className = "keystrokes";
document.body.appendChild(ul);
var modifiers = [
{ name: "Ctrl", symbol: "β", key: "Control", prop: "ctrlKey" },
{ name: "Alt", symbol: "β₯", key: "Alt", prop: "altKey" },
{ name: "Shift", symbol: "β§", key: "Shift", prop: "shiftKey" },
{ name: "Meta", symbol: "β", key: "Meta", prop: "metaKey" },
];
var keyNames = {
Backspace: useSymbols ? "β«" : "Backspace",
Tab: useSymbols ? "β₯" : "Tab",
Enter: useSymbols ? "β" : "Enter",
Escape: useSymbols ? "β" : "Escape",
Space: useSymbols ? "β£" : "Space",
Delete: useSymbols ? "β¦" : "Delete",
Home: useSymbols ? "β±" : "Home",
End: useSymbols ? "β²" : "End",
PageUp: useSymbols ? "β" : "Page Up",
PageDown: useSymbols ? "β" : "Page Down",
ArrowLeft: "β",
ArrowUp: "β",
ArrowRight: "β",
ArrowDown: "β",
Insert: useSymbols ? "β€" : "Insert",
NumLock: useSymbols ? "β" : "NumLock",
CapsLock: useSymbols ? "βͺ" : "CapsLock",
ScrollLock: useSymbols ? "β§" : "ScrollLock",
Backquote: "`",
Backslash: "\\",
Comma: ",",
Minus: "-",
Period: ".",
Slash: "/",
Semicolon: ";",
Equal: "=",
BracketLeft: "[",
BracketRight: "]",
Quote: "'",
Escape: "Esc",
Digit1: "1",
Digit2: "2",
Digit3: "3",
Digit4: "4",
Digit5: "5",
Digit6: "6",
Digit7: "7",
Digit8: "8",
Digit9: "9",
Digit0: "0",
KeyQ: "Q",
KeyW: "W",
KeyE: "E",
KeyR: "R",
KeyT: "T",
KeyY: "Y",
KeyU: "U",
KeyI: "I",
KeyO: "O",
KeyP: "P",
KeyA: "A",
KeyS: "S",
KeyD: "D",
KeyF: "F",
KeyG: "G",
KeyH: "H",
KeyJ: "J",
KeyK: "K",
KeyL: "L",
KeyZ: "Z",
KeyX: "X",
KeyC: "C",
KeyV: "V",
KeyB: "B",
KeyN: "N",
KeyM: "M",
IntlBackslash: "\\", // what is this?
IntlRo: "γ",
IntlYen: "Β₯",
};
function renderListItem(li, event, showNonModifier) {
li.textContent = "";
for (const modifier of modifiers) {
if (event[modifier.prop]) {
const kbd = document.createElement("kbd");
if (useSymbols) {
kbd.textContent = modifier.symbol;
} else {
kbd.textContent = modifier.name;
}
li.appendChild(kbd);
li.appendChild(document.createTextNode("+"));
}
}
if (showNonModifier) {
const kbd = document.createElement("kbd");
kbd.textContent = keyNames[event.code] || event.key;
li.appendChild(kbd);
}
li.dataset.keyCombo = li.textContent;
li.dataset.repetitions = 1;
}
// TODO: stagger fade outs by a minimum amount to make it feel calmer
function fadeOutEventually(li) {
if (li.dataset.timerId) {
clearTimeout(li.dataset.timerId);
}
li.dataset.timerId = setTimeout(() => {
li.style.opacity = 0;
setTimeout(() => {
li.style.opacity = 0;
});
setTimeout(() => {
li.remove();
}, 1000);
}, 5000);
}
var modifiersLI = document.createElement("li");
var lastKeyComboLI;
addEventListener("keydown", function (event) {
const isModifier = event.key === "Alt" || event.key === "Control" || event.key === "Meta" || event.key === "Shift";
// console.log(event.key, event.code, event.keyCode, event.location, isModifier);
if (isModifier) {
renderListItem(modifiersLI, event, false);
ul.appendChild(modifiersLI);
modifiersLI.style.opacity = 1;
} else {
const li = document.createElement("li");
renderListItem(li, event, true);
if (
lastKeyComboLI &&
lastKeyComboLI.dataset.keyCombo === li.dataset.keyCombo &&
lastKeyComboLI.style.opacity !== "0"
) {
if (!event.repeat) {
lastKeyComboLI.dataset.repetitions = parseInt(lastKeyComboLI.dataset.repetitions) + 1;
}
fadeOutEventually(lastKeyComboLI);
// modifiersLI.remove(); // looks super weird to have the list shift
renderListItem(modifiersLI, event, true);
modifiersLI.style.opacity = 0;
} else {
lastKeyComboLI = li;
ul.appendChild(li);
fadeOutEventually(li);
modifiersLI.remove();
if (ul.childElementCount > maxListLength) {
ul.firstElementChild.remove();
}
}
}
});
addEventListener("keyup", function (event) {
const anyModifiers = modifiers.some(modifier => event[modifier.prop]);
if (!anyModifiers) {
modifiersLI.style.opacity = 0;
} else {
modifiersLI.style.opacity = 1;
renderListItem(modifiersLI, event, false);
}
});
addEventListener("blur", function (event) {
modifiersLI.style.opacity = 0;
});
}
</script>
<style>
.keystrokes {
position: fixed;
bottom: 0;
left: 0;
pointer-events: none;
z-index: 999999999;
list-style: none;
padding: 10px;
mask-image: linear-gradient(transparent, 5%, rgba(0, 0, 0, 1.0));
-webkit-mask-image: linear-gradient(transparent, 5%, rgba(0, 0, 0, 1.0));
}
.keystrokes li {
color: white;
font-size: 1.5em;
text-shadow: 0 2px 0 black, 0 0 1px black, 0 0 1px black, 0 0 2px black;
transition: opacity .8s ease-out;
}
.keystrokes li:not(:last-child) {
margin-bottom: 5px;
}
.keystrokes li:not([data-repetitions="1"])::after {
content: "Γ" attr(data-repetitions);
display: inline-block;
border-radius: 1em;
background: rgba(187, 187, 187, 0.8);
color: black;
text-shadow: none;
margin-left: 20px;
font-size: 0.8em;
padding: 2px 5px;
box-shadow: 0 0 1px black, 0 2px 0 rgba(0, 0, 0, 0.4);
}
</style>
</body>
</html>