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1681 lines (1528 loc) · 68.5 KB
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover">
<link rel="manifest" href="manifest.webmanifest">
<meta name="application-name" content="IdleGames">
<script src="assets/js/pwa.js" defer></script>
<meta name="theme-color" content="#101828">
<title>Responsive Spinners</title>
<link rel="icon" href="favicon.ico" type="image/x-icon">
<style>
:root {
color-scheme: light dark;
--bg: #101828;
--fg: #f8fafc;
--muted: rgba(248, 250, 252, 0.75);
--panel: rgba(15, 23, 42, 0.75);
--panel-border: rgba(248, 250, 252, 0.08);
--button-bg: rgba(255, 255, 255, 0.08);
--button-fg: #f8fafc;
--button-border: rgba(255, 255, 255, 0.2);
--button-bg-hover: rgba(255, 255, 255, 0.18);
--focus-ring: 0 0 0 3px rgba(14, 165, 233, 0.45);
--modal-bg: rgba(0, 0, 0, 0.45);
--surface: #111827;
--panel-control-bg: rgba(15, 23, 42, 0.15);
--panel-control-bg-hover: rgba(15, 23, 42, 0.3);
--icon-button-hover: rgba(255, 255, 255, 0.15);
--action-button-bg: rgba(255, 255, 255, 0.08);
--action-button-border: rgba(255, 255, 255, 0.18);
--action-button-bg-hover: rgba(255, 255, 255, 0.16);
--wheel-max-size: 480px;
}
[data-theme="light"] {
--bg: #f1f5f9;
--fg: #0f172a;
--muted: rgba(15, 23, 42, 0.65);
--panel: rgba(255, 255, 255, 0.88);
--panel-border: rgba(15, 23, 42, 0.08);
--button-bg: rgba(15, 23, 42, 0.08);
--button-fg: #0f172a;
--button-border: rgba(15, 23, 42, 0.2);
--button-bg-hover: rgba(15, 23, 42, 0.15);
--focus-ring: 0 0 0 3px rgba(99, 102, 241, 0.45);
--modal-bg: rgba(15, 23, 42, 0.55);
--surface: #e2e8f0;
--panel-control-bg: rgba(15, 23, 42, 0.08);
--panel-control-bg-hover: rgba(15, 23, 42, 0.16);
--icon-button-hover: rgba(15, 23, 42, 0.15);
--action-button-bg: rgba(15, 23, 42, 0.08);
--action-button-border: rgba(15, 23, 42, 0.25);
--action-button-bg-hover: rgba(15, 23, 42, 0.15);
}
[data-theme="dark"] {
--bg: #050b14;
--fg: #f8fafc;
--muted: rgba(248, 250, 252, 0.7);
--panel: rgba(15, 23, 42, 0.92);
--panel-border: rgba(255, 255, 255, 0.08);
--button-bg: rgba(148, 163, 184, 0.15);
--button-fg: #f8fafc;
--button-border: rgba(148, 163, 184, 0.35);
--button-bg-hover: rgba(148, 163, 184, 0.25);
--focus-ring: 0 0 0 3px rgba(14, 165, 233, 0.45);
--modal-bg: rgba(2, 6, 23, 0.72);
--surface: #0b1120;
--panel-control-bg: rgba(15, 23, 42, 0.35);
--panel-control-bg-hover: rgba(15, 23, 42, 0.55);
--icon-button-hover: rgba(148, 163, 184, 0.2);
--action-button-bg: rgba(255, 255, 255, 0.08);
--action-button-border: rgba(255, 255, 255, 0.18);
--action-button-bg-hover: rgba(255, 255, 255, 0.2);
}
* {
box-sizing: border-box;
}
body {
margin: 0;
min-height: 100vh;
font-family: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
background: var(--bg);
color: var(--fg);
display: flex;
flex-direction: column;
line-height: 1.5;
padding: 1rem clamp(1rem, 3vw, 2.5rem) max(env(safe-area-inset-bottom), 1rem);
gap: clamp(1rem, 2vw, 1.5rem);
}
body.modal-open,
html.modal-open {
overflow: hidden;
}
h1 {
margin: 0;
font-size: clamp(1.35rem, 2vw, 1.75rem);
font-weight: 700;
}
.toolbar {
display: flex;
flex-wrap: wrap;
align-items: center;
justify-content: space-between;
gap: 0.75rem;
padding: 0.75rem 1rem;
background: var(--panel);
border-radius: clamp(0.65rem, 1.2vw, 1rem);
border: 1px solid var(--panel-border);
backdrop-filter: blur(12px);
}
.toolbar-actions {
display: flex;
align-items: center;
gap: 0.5rem;
flex-wrap: wrap;
}
button, select, textarea, input {
font: inherit;
color: inherit;
}
.ghost-button {
border-radius: 999px;
border: 1px solid var(--button-border);
padding: 0.35rem 0.9rem;
background: var(--button-bg);
color: var(--button-fg);
cursor: pointer;
transition: background 160ms ease, transform 160ms ease;
display: inline-flex;
align-items: center;
gap: 0.35rem;
min-height: 2.5rem;
}
.ghost-button:focus-visible,
.icon-button:focus-visible,
.action-button:focus-visible,
.modal-close:focus-visible,
.config-form input:focus-visible,
.config-form textarea:focus-visible,
.config-form select:focus-visible {
outline: none;
box-shadow: var(--focus-ring);
}
.ghost-button:hover {
background: var(--button-bg-hover);
}
.ghost-button:active {
transform: scale(0.98);
}
.icon-button {
border: none;
background: none;
color: inherit;
cursor: pointer;
padding: 0.35rem;
border-radius: 999px;
transition: background 160ms ease, transform 160ms ease;
}
.icon-button:hover {
background: var(--icon-button-hover);
}
.theme-chip {
border-radius: 999px;
border: 1px solid var(--button-border);
padding: 0.35rem 0.85rem;
background: var(--surface);
display: inline-flex;
align-items: center;
gap: 0.4rem;
cursor: pointer;
transition: background 180ms ease;
}
.wheel-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
gap: clamp(1rem, 2.5vw, 1.5rem);
width: 100%;
flex: 1;
min-height: 0;
justify-content: stretch;
align-content: start;
justify-items: stretch;
}
.wheel-grid[data-layout="single"] {
grid-template-columns: minmax(min(100%, 640px), min(var(--wheel-max-size), 100%));
justify-content: center;
}
.wheel-panel {
background: var(--panel);
border: 1px solid var(--panel-border);
border-radius: clamp(0.9rem, 1.6vw, 1.5rem);
padding: clamp(0.85rem, 1.5vw, 1.25rem);
display: flex;
flex-direction: column;
gap: 0.85rem;
min-height: auto;
position: relative;
overflow: visible;
width: 100%;
max-width: 100%;
justify-self: stretch;
align-self: stretch;
min-width: 0;
}
.wheel-panel::before {
content: "";
position: absolute;
inset: 0;
background: linear-gradient(150deg, rgba(255, 255, 255, 0.12), rgba(0, 0, 0, 0.15));
opacity: 0.35;
pointer-events: none;
z-index: 0;
border-radius: inherit;
}
.panel-header {
display: flex;
align-items: center;
justify-content: space-between;
gap: 0.5rem;
}
.panel-title {
font-weight: 600;
letter-spacing: 0.02em;
}
.panel-controls {
display: inline-flex;
align-items: center;
gap: 0.25rem;
}
.panel-controls button {
border-radius: 0.65rem;
border: 1px solid transparent;
padding: 0.3rem 0.6rem;
background: var(--panel-control-bg);
color: inherit;
cursor: pointer;
}
.panel-controls button:hover {
background: var(--panel-control-bg-hover);
}
.wheel-stage {
position: relative;
z-index: 1;
width: 100%;
padding-right: clamp(1.2rem, 2.5vw, 2.1rem);
padding-left: clamp(0.35rem, 1vw, 0.85rem);
display: grid;
place-items: center;
min-height: 0;
flex: 0 0 auto;
}
.wheel-area {
position: relative;
width: 100%;
max-width: 100%;
aspect-ratio: 1 / 1;
flex: 0 0 auto;
display: grid;
place-items: center;
min-height: 0;
}
canvas {
width: 100%;
height: 100%;
display: block;
}
.wheel-pointer {
position: absolute;
top: 50%;
right: clamp(0.25rem, 0.85vw, 0.75rem);
transform: translateY(-50%);
width: clamp(1.75rem, 2.8vw, 2.4rem);
height: clamp(1.75rem, 2.8vw, 2.4rem);
pointer-events: none;
z-index: 2;
filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.55));
}
.wheel-pointer::before {
content: "";
position: absolute;
inset: 0;
background: var(--accent-color, #f97316);
clip-path: polygon(0% 50%, 100% 0, 100% 100%);
border-radius: 0 0.35rem 0.35rem 0;
}
.wheel-actions {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(min(140px, 100%), 1fr));
gap: 0.5rem;
width: 100%;
}
.action-button {
border-radius: 0.85rem;
border: 1px solid var(--action-button-border);
padding: 0.65rem 1rem;
background: var(--action-button-bg);
color: inherit;
cursor: pointer;
font-weight: 600;
transition: background 180ms ease, transform 150ms ease, opacity 180ms ease;
}
.action-button:hover:not(:disabled) {
background: var(--action-button-bg-hover);
}
.action-button:disabled {
opacity: 0.45;
cursor: not-allowed;
}
.status-chip {
font-size: 0.85rem;
color: var(--muted);
}
.wheel-result-overlay {
position: absolute;
inset: clamp(0.5rem, 1vw, 1.1rem);
border-radius: inherit;
background: rgba(2, 6, 23, 0.78);
display: flex;
align-items: center;
justify-content: center;
text-align: center;
padding: clamp(1rem, 3vw, 2rem);
backdrop-filter: blur(12px);
opacity: 0;
pointer-events: none;
transition: opacity 180ms ease;
z-index: 3;
}
[data-theme="light"] .wheel-result-overlay {
background: rgba(248, 250, 252, 0.9);
}
.wheel-result-overlay.open {
opacity: 1;
pointer-events: auto;
}
.wheel-result-card {
max-width: 24rem;
width: min(100%, 24rem);
display: flex;
flex-direction: column;
gap: 0.75rem;
}
.wheel-result-card .status-chip {
text-transform: uppercase;
letter-spacing: 0.08em;
}
.wheel-result-value {
font-size: clamp(1.75rem, 4vw, 2.75rem);
font-weight: 700;
line-height: 1.2;
}
.wheel-result-hint {
font-size: 0.9rem;
color: var(--muted);
margin: 0;
}
.modal {
position: fixed;
inset: 0;
background: var(--modal-bg);
display: grid;
place-items: center;
padding: clamp(1rem, 2vw, 2.5rem);
opacity: 0;
pointer-events: none;
transition: opacity 200ms ease;
z-index: 40;
overscroll-behavior: contain;
}
.modal.open {
opacity: 1;
pointer-events: auto;
}
.modal-panel {
background: var(--panel);
border-radius: clamp(1rem, 2vw, 1.5rem);
border: 1px solid var(--panel-border);
width: min(720px, 100%);
height: min(90vh, 48rem);
max-height: min(90vh, 48rem);
display: flex;
flex-direction: column;
overflow: hidden;
box-shadow: 0 30px 60px rgba(15, 23, 42, 0.55);
}
.modal-header {
display: flex;
align-items: center;
justify-content: space-between;
padding: 1rem 1.25rem;
border-bottom: 1px solid var(--panel-border);
}
#configForm {
display: flex;
flex-direction: column;
height: 100%;
min-height: 0;
}
.modal-body {
padding: 1rem 1.25rem 0.5rem;
overflow: auto;
flex: 1;
min-height: 0;
overscroll-behavior: contain;
}
.modal-footer {
padding: 0.75rem 1.25rem 1.25rem;
border-top: 1px solid var(--panel-border);
display: flex;
justify-content: flex-end;
gap: 0.75rem;
flex-shrink: 0;
}
.modal-close {
border: none;
background: none;
color: inherit;
font-size: 1.5rem;
cursor: pointer;
}
.config-form {
display: grid;
gap: 1rem;
}
.config-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
gap: 0.85rem;
}
.config-group {
display: flex;
flex-direction: column;
gap: 0.4rem;
}
.config-group label {
font-size: 0.9rem;
color: var(--muted);
}
.config-group textarea,
.config-group input[type="text"] {
border-radius: 0.75rem;
border: 1px solid var(--panel-border);
background: rgba(15, 23, 42, 0.15);
padding: 0.75rem;
}
.config-group textarea {
min-height: 8rem;
resize: vertical;
}
.config-group input[type="color"] {
width: 100%;
height: 2.75rem;
border: 1px solid var(--panel-border);
border-radius: 0.75rem;
background: none;
padding: 0;
}
.range-field {
display: flex;
flex-direction: column;
gap: 0.35rem;
}
.range-field output {
font-size: 0.85rem;
color: var(--muted);
}
.range-field input[type="range"] {
width: 100%;
}
.sr-only {
position: absolute;
width: 1px;
height: 1px;
padding: 0;
margin: -1px;
overflow: hidden;
clip: rect(0, 0, 0, 0);
white-space: nowrap;
border: 0;
}
@media (max-width: 768px) {
.wheel-panel {
min-height: 22rem;
}
.wheel-actions {
grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}
}
</style>
</head>
<body>
<header class="toolbar">
<div>
<h1>Smart Spinners</h1>
<p class="status-chip">Add as many wheels as you like — each remembers its own configuration automatically.</p>
</div>
<div class="toolbar-actions" aria-label="Global controls">
<button class="ghost-button" id="addWheel" type="button" aria-label="Add spinner">
<span aria-hidden="true">+</span>
<span>Wheel</span>
</button>
<button class="ghost-button" id="themeToggle" aria-live="polite" type="button"></button>
</div>
</header>
<main class="wheel-grid" id="wheelGrid" role="list"></main>
<div class="sr-only" aria-live="polite" id="liveRegion"></div>
<div class="modal" id="configModal" aria-hidden="true" role="dialog" aria-modal="true" aria-labelledby="configTitle">
<div class="modal-panel" role="document">
<div class="modal-header">
<div>
<p class="status-chip">Per-wheel settings</p>
<h2 id="configTitle">Wheel configuration</h2>
</div>
<button type="button" class="modal-close" id="configClose" aria-label="Close configuration">×</button>
</div>
<form id="configForm" novalidate>
<div class="modal-body">
<div class="config-form">
<div class="config-group">
<label for="wheelTitle">Title</label>
<input type="text" id="wheelTitle" name="wheelTitle" placeholder="Wheel Title">
</div>
<div class="config-group">
<label for="items">Entries (one per line)</label>
<textarea id="items" name="items" spellcheck="false" placeholder="Prize A Prize B Lunch Duty"></textarea>
</div>
<div class="config-group">
<p class="status-chip">Colors</p>
<div class="config-grid">
<div class="config-group">
<label for="segmentColor">Wheel segments</label>
<input type="color" id="segmentColor" name="segmentColor" value="#3b82f6">
</div>
<div class="config-group">
<label for="selectedColor">Selected segment</label>
<input type="color" id="selectedColor" name="selectedColor" value="#f97316">
</div>
<div class="config-group">
<label for="outlineColor">Segment outline</label>
<input type="color" id="outlineColor" name="outlineColor" value="#1e293b">
</div>
<div class="config-group">
<label for="textColor">Text color</label>
<input type="color" id="textColor" name="textColor" value="#101828">
</div>
<div class="config-group">
<label for="selectedTextColor">Selected text</label>
<input type="color" id="selectedTextColor" name="selectedTextColor" value="#ffffff">
</div>
</div>
</div>
<div class="config-group">
<p class="status-chip">Wheel feel</p>
<div class="config-grid">
<div class="config-group">
<div class="range-field">
<label for="outlineWidth">Outline thickness</label>
<output id="outlineWidthOutput">2.5</output>
<input type="range" id="outlineWidth" name="outlineWidth" min="0" max="6" step="0.1" value="2.5">
</div>
</div>
<div class="config-group">
<div class="range-field">
<label for="spinDuration">Spin duration (seconds)</label>
<output id="spinDurationOutput">4s</output>
<input type="range" id="spinDuration" name="spinDuration" min="2" max="8" step="0.25" value="4">
</div>
</div>
</div>
</div>
</div>
</div>
<div class="modal-footer">
<button type="button" class="ghost-button" id="configCancel">Cancel</button>
<button type="submit" class="action-button">Save changes</button>
</div>
</form>
</div>
</div>
<script type="module">
const STORAGE_KEY = 'idlegames-spinners-state-v1';
const THEME_KEY = 'idlegames-spinners-theme';
const THEMES = ['system', 'light', 'dark'];
const DEFAULT_ENTRIES = ['Team One', 'Team Two', 'Brainstorm', 'Coffee Break'];
const MAX_WHEEL_SIZE_FALLBACK = 480;
const SPIN_DURATION_MIN = 2;
const SPIN_DURATION_MAX = 8;
const DEFAULT_SPIN_DURATION = 4;
const EXTRA_ROTATIONS_MIN = 3;
const EXTRA_ROTATIONS_MAX = 6;
const TWO_PI = Math.PI * 2;
const qs = selector => document.querySelector(selector);
const wheelGrid = qs('#wheelGrid');
const addWheelBtn = qs('#addWheel');
const themeToggle = qs('#themeToggle');
const modal = qs('#configModal');
const configForm = qs('#configForm');
const modalBody = modal?.querySelector('.modal-body');
const liveRegion = qs('#liveRegion');
const modalCloseBtn = qs('#configClose');
const modalCancelBtn = qs('#configCancel');
const metaTheme = document.querySelector('meta[name="theme-color"]');
const getField = name => configForm.elements.namedItem(name);
const updateGridLayoutFlag = () => {
if (!wheelGrid) return;
if (appState.wheels.length <= 1) {
wheelGrid.dataset.layout = 'single';
} else {
delete wheelGrid.dataset.layout;
}
};
if (modal) {
modal.setAttribute('inert', '');
}
const wheelRuntime = new Map();
let editingWheelId = null;
let currentThemeIndex = 0;
let lastFocusedElement = null;
const appState = { wheels: [] };
let cachedMaxWheelSize = null;
const getMaxWheelSize = () => {
if (cachedMaxWheelSize !== null) return cachedMaxWheelSize;
if (typeof window === 'undefined' || typeof document === 'undefined') {
cachedMaxWheelSize = MAX_WHEEL_SIZE_FALLBACK;
return cachedMaxWheelSize;
}
const rootStyles = getComputedStyle(document.documentElement);
const variable = rootStyles.getPropertyValue('--wheel-max-size').trim();
const numericValue = Number.parseFloat(variable);
cachedMaxWheelSize = Number.isFinite(numericValue) ? numericValue : MAX_WHEEL_SIZE_FALLBACK;
return cachedMaxWheelSize;
};
const clampValue = (value, min, max) => Math.min(max, Math.max(min, value));
const safeId = () => {
const hasUUID = typeof window !== 'undefined' && window.crypto && typeof window.crypto.randomUUID === 'function';
return hasUUID ? window.crypto.randomUUID() : `wheel-${Date.now()}-${Math.random().toString(16).slice(2)}`;
};
const randomBetween = (min, max) => Math.random() * (max - min) + min;
const adjustFontSizeToWidth = (ctx, text, maxWidth, initialSize, minSize = 10) => {
let size = initialSize;
const fontTemplate = sz => `600 ${sz}px "Inter", "Segoe UI", sans-serif`;
ctx.font = fontTemplate(size);
while (size > minSize && ctx.measureText(text).width > maxWidth) {
size -= 0.5;
ctx.font = fontTemplate(size);
}
return size;
};
const ellipsizeText = (ctx, text, maxWidth) => {
const ellipsis = '…';
if (ctx.measureText(text).width <= maxWidth) return text;
let trimmed = text.trim();
while (trimmed.length > 1) {
trimmed = trimmed.slice(0, -1).trimEnd();
const candidate = `${trimmed}${ellipsis}`;
if (ctx.measureText(candidate).width <= maxWidth) {
return candidate;
}
}
return ellipsis;
};
const hexToRgb = hex => {
const normalized = hex.replace('#', '');
if (normalized.length !== 6) return { r: 0, g: 0, b: 0 };
const intVal = parseInt(normalized, 16);
return {
r: (intVal >> 16) & 255,
g: (intVal >> 8) & 255,
b: intVal & 255
};
};
const relativeLuminance = hex => {
const { r, g, b } = hexToRgb(hex);
const srgb = [r, g, b].map(channel => {
const c = channel / 255;
return c <= 0.03928 ? c / 12.92 : Math.pow((c + 0.055) / 1.055, 2.4);
});
return 0.2126 * srgb[0] + 0.7152 * srgb[1] + 0.0722 * srgb[2];
};
const contrastRatio = (colorA, colorB) => {
const lumA = relativeLuminance(colorA);
const lumB = relativeLuminance(colorB);
const [lighter, darker] = lumA >= lumB ? [lumA, lumB] : [lumB, lumA];
return (lighter + 0.05) / (darker + 0.05);
};
const pickReadableTextColor = (backgroundColor, preferredLight = '#f8fafc', preferredDark = '#0f172a', minRatio = 4.5) => {
const lightContrast = contrastRatio(backgroundColor, preferredLight);
const darkContrast = contrastRatio(backgroundColor, preferredDark);
if (lightContrast >= minRatio || darkContrast >= minRatio) {
return lightContrast >= darkContrast ? preferredLight : preferredDark;
}
return lightContrast >= darkContrast ? preferredLight : preferredDark;
};
const hslToHex = (h, s, l) => {
s /= 100;
l /= 100;
const k = n => (n + h / 30) % 12;
const a = s * Math.min(l, 1 - l);
const f = n => l - a * Math.max(-1, Math.min(k(n) - 3, Math.min(9 - k(n), 1)));
const toHex = x => Math.round(x * 255).toString(16).padStart(2, '0');
return `#${toHex(f(0))}${toHex(f(8))}${toHex(f(4))}`;
};
const randomPalette = () => {
const hue = Math.floor(Math.random() * 360);
const accent = (hue + 35 + Math.random() * 40) % 360;
const segmentColor = hslToHex(hue, 65, randomBetween(45, 60));
const selectedColor = hslToHex(accent, 70, randomBetween(45, 58));
const outlineColor = hslToHex(hue, 30, randomBetween(18, 26));
return {
segmentColor,
selectedColor,
outlineColor,
textColor: pickReadableTextColor(segmentColor),
selectedTextColor: pickReadableTextColor(selectedColor)
};
};
const sanitizeColors = colors => ({
segmentColor: colors.segmentColor,
selectedColor: colors.selectedColor,
outlineColor: colors.outlineColor,
textColor: colors.textColor,
selectedTextColor: colors.selectedTextColor
});
const createItemObjects = lines => lines.map(line => ({ id: safeId(), label: line }));
const parseEntries = text => {
const lines = text.split(/\r?\n/).map(line => line.trim()).filter(Boolean);
return lines.length ? createItemObjects(lines) : createItemObjects(DEFAULT_ENTRIES);
};
const buildWheel = (overrides = {}, index = appState.wheels.length) => {
const palette = randomPalette();
const storedItems = Array.isArray(overrides.items) && overrides.items.length ? overrides.items : null;
const items = storedItems || createItemObjects(DEFAULT_ENTRIES);
const colors = {
segmentColor: overrides.colors?.segmentColor ?? palette.segmentColor,
selectedColor: overrides.colors?.selectedColor ?? palette.selectedColor,
outlineColor: overrides.colors?.outlineColor ?? palette.outlineColor,
textColor: overrides.colors?.textColor ?? palette.textColor,
selectedTextColor: overrides.colors?.selectedTextColor ?? palette.selectedTextColor
};
const activeIds = Array.isArray(overrides.activeItemIds)
? overrides.activeItemIds.filter(id => items.some(item => item.id === id))
: items.map(item => item.id);
const duration = overrides.spin?.duration ?? DEFAULT_SPIN_DURATION;
return {
id: overrides.id || safeId(),
label: overrides.label || `Wheel ${index + 1}`,
items,
activeItemIds: activeIds,
rotation: overrides.rotation || 0,
colors,
outlineWidth: typeof overrides.outlineWidth === 'number' ? overrides.outlineWidth : randomBetween(1.5, 3.5),
spin: {
duration: clampValue(Number(duration) || DEFAULT_SPIN_DURATION, SPIN_DURATION_MIN, SPIN_DURATION_MAX)
},
lastSelectedId: overrides.lastSelectedId || null,
isSpinning: false
};
};
const saveState = () => {
const data = appState.wheels.map(wheel => ({
id: wheel.id,
label: wheel.label,
items: wheel.items,
activeItemIds: wheel.activeItemIds,
rotation: wheel.rotation,
colors: sanitizeColors(wheel.colors),
outlineWidth: wheel.outlineWidth,
spin: wheel.spin,
lastSelectedId: wheel.lastSelectedId
}));
localStorage.setItem(STORAGE_KEY, JSON.stringify(data));
};
const loadState = () => {
try {
const stored = JSON.parse(localStorage.getItem(STORAGE_KEY));
if (Array.isArray(stored) && stored.length) {
appState.wheels = stored.map((record, index) => buildWheel(record, index));
}
} catch (error) {
console.error('Unable to parse spinner state', error);
localStorage.removeItem(STORAGE_KEY);
}
};
const ensureWheels = () => {
if (!appState.wheels.length) {
appState.wheels.push(buildWheel({}, appState.wheels.length));
}
};
const getWheel = id => appState.wheels.find(w => w.id === id);
const getSelectedIndex = wheel => {
const total = wheel.activeItemIds.length;
if (!total) return -1;
const arc = (Math.PI * 2) / total;
const normalized = ((Math.PI * 2 - (wheel.rotation % (Math.PI * 2))) + Math.PI * 2) % (Math.PI * 2);
return Math.floor(normalized / arc) % total;
};
const drawWheel = wheel => {
const runtime = wheelRuntime.get(wheel.id);
if (!runtime || !runtime.logicalSize) return;
const { ctx, logicalSize, padding } = runtime;
ctx.clearRect(0, 0, logicalSize, logicalSize);
const items = wheel.activeItemIds.map(id => wheel.items.find(item => item.id === id)).filter(Boolean);
const count = items.length;
const center = logicalSize / 2;
const radius = Math.max(0, logicalSize / 2 - padding);
if (!count) {
ctx.fillStyle = 'rgba(255,255,255,0.65)';
ctx.font = `${Math.max(12, radius * 0.18)}px "Inter", sans-serif`;
ctx.textAlign = 'center';
ctx.textBaseline = 'middle';
ctx.fillText('Add entries', center, center);
return;
}
const arc = (Math.PI * 2) / count;
const selectedIndex = getSelectedIndex(wheel);
for (let i = 0; i < count; i++) {
const start = wheel.rotation + i * arc;
const end = start + arc;
ctx.beginPath();
ctx.moveTo(center, center);
ctx.arc(center, center, radius, start, end);
ctx.closePath();
ctx.fillStyle = i === selectedIndex ? wheel.colors.selectedColor : wheel.colors.segmentColor;
ctx.fill();
if (wheel.outlineWidth > 0) {
ctx.strokeStyle = wheel.colors.outlineColor;
ctx.lineWidth = wheel.outlineWidth;
ctx.stroke();
}
const label = items[i].label;
const middle = start + arc / 2;
const innerRadius = Math.max(12, radius * 0.2);
const outerRadius = radius * 0.85;
const maxTextWidth = Math.max(outerRadius - innerRadius, radius * 0.35);
const baseFontSize = Math.max(12, Math.min(radius * 0.17, maxTextWidth * 0.35));
ctx.save();
ctx.translate(center, center);
ctx.rotate(middle);
ctx.translate(innerRadius, 0);
ctx.fillStyle = i === selectedIndex ? wheel.colors.selectedTextColor : wheel.colors.textColor;
const fontSize = adjustFontSizeToWidth(ctx, label, maxTextWidth, baseFontSize, 10);
ctx.font = `600 ${fontSize}px "Inter", "Segoe UI", sans-serif`;
ctx.textAlign = 'left';
ctx.textBaseline = 'middle';
const renderText = ellipsizeText(ctx, label, maxTextWidth);
ctx.fillText(renderText, 0, 0, maxTextWidth);
ctx.restore();
}
};
const resizeCanvas = wheel => {
const runtime = wheelRuntime.get(wheel.id);
if (!runtime) return;
const { canvas } = runtime;
const rect = canvas.getBoundingClientRect();
const size = Math.min(rect.width, rect.height);
const dpr = window.devicePixelRatio || 1;
canvas.width = size * dpr;
canvas.height = size * dpr;
runtime.logicalSize = size;
runtime.padding = Math.max(6, size * 0.025);
runtime.ctx.setTransform(1, 0, 0, 1, 0, 0);
runtime.ctx.scale(dpr, dpr);
drawWheel(wheel);
};
const layoutWheel = wheel => {
const runtime = wheelRuntime.get(wheel.id);
if (!runtime) return;
const parsePx = value => Number.parseFloat(value) || 0;
const stageStyles = getComputedStyle(runtime.stage);
const stagePaddingLeft = parsePx(stageStyles.paddingLeft);
const stagePaddingRight = parsePx(stageStyles.paddingRight);
const panelStyles = getComputedStyle(runtime.panel);
const panelPaddingLeft = parsePx(panelStyles.paddingLeft);
const panelPaddingRight = parsePx(panelStyles.paddingRight);
const panelInnerWidth = Math.max(0, runtime.panel.clientWidth - panelPaddingLeft - panelPaddingRight);
const stageWidth = Math.max(runtime.stage.clientWidth, panelInnerWidth);
const pointerWidth = runtime.pointer?.offsetWidth || 0;
const availableWidth = Math.max(0, stageWidth - stagePaddingLeft - stagePaddingRight - pointerWidth);
const MIN_STAGE = 140;
let size = availableWidth;
if (!Number.isFinite(size) || size <= 0) {
const fallback = Math.max(panelInnerWidth, MIN_STAGE);
size = Math.max(MIN_STAGE, fallback);
} else {
size = Math.max(MIN_STAGE, size);
}
const maxWheelSize = getMaxWheelSize();
const viewportLimit = typeof window !== 'undefined'
? Math.min(window.innerHeight * 0.7, window.innerWidth * 0.6)
: Infinity;
const combinedLimit = [maxWheelSize, viewportLimit].filter(value => Number.isFinite(value) && value > 0);
if (combinedLimit.length) {
size = Math.min(size, Math.max(MIN_STAGE, Math.min(...combinedLimit)));
}
runtime.area.style.width = `${size}px`;
runtime.area.style.height = `${size}px`;
resizeCanvas(wheel);
};
let pendingGlobalLayoutFrame = null;
const requestGlobalLayout = () => {
if (pendingGlobalLayoutFrame !== null) return;
pendingGlobalLayoutFrame = requestAnimationFrame(() => {
pendingGlobalLayoutFrame = null;
wheelRuntime.forEach((runtime, wheelId) => {