feat: A3 test rig — printable 6-crest sheet with cylinder occluder, walker loop and static ghost; loads the matching scene+playlist from the same constants
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<!doctype html>
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<html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1">
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<title>A3 Test Rig — Newbury Exhibit</title>
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<style>
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body { font-family:system-ui,sans-serif; margin:0; background:#0b0f1c; color:#e8ecff; }
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.bar { padding:14px 18px; display:flex; gap:10px; align-items:center; flex-wrap:wrap; }
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.bar button { padding:9px 16px; border-radius:8px; border:0; cursor:pointer; font-weight:600; }
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.bar .go { background:linear-gradient(135deg,#51eaf1,#529eff); color:#04121a; }
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.bar .ghost { background:transparent; color:#e8ecff; border:1px solid rgba(255,255,255,.35); }
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.note { padding:0 18px 14px; font-size:.85rem; line-height:1.6; opacity:.85; max-width:70rem; }
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.note code { background:rgba(255,255,255,.1); padding:1px 5px; border-radius:4px; }
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#status { font-size:.85rem; opacity:.9; }
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/* The sheet is one SVG in millimetre units, so everything prints as vectors —
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no raster scaling, and the crests stay crisp at any printer DPI. */
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.wrap { background:#fff; margin:0 18px 24px; width:max-content; }
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svg.sheet { display:block; width:420mm; height:297mm; }
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@page { size: A3 landscape; margin: 0; }
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@media print {
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.bar, .note { display:none !important; }
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body { background:#fff; }
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.wrap { margin:0; }
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}
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</style></head>
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<body>
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<div class="bar">
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<button class="go" onclick="window.print()">Print A3</button>
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<button class="ghost" id="load">Load this layout onto the server</button>
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<span id="status"></span>
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</div>
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<div class="note">
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<b>Print at 100% / "Actual size" — not "Fit to page"</b>, on A3 landscape. Verify with the 100 mm scale bar
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before trusting any measurement: if it doesn't measure 100 mm, the crest sizes are wrong and every pose will be
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scaled with them. Stand an <b>85 mm diameter × 160 mm tall</b> cylinder on the dashed circle (a drink can is
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~66 mm, so use a tube, tin or printed post). "Load this layout" replaces the live scene and playlist —
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save your current layout first if you want it back.
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</div>
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<div class="wrap"><svg class="sheet" id="sheet" viewBox="0 0 420 297" xmlns="http://www.w3.org/2000/svg"></svg></div>
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<script src="/vendor/cv.js"></script>
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<script src="/vendor/svd.js"></script>
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<script src="/vendor/posit1.js"></script>
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<script src="/vendor/aruco.js"></script>
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<script src="/vendor/dictionaries/aruco_4x4_1000.js"></script>
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<script type="module">
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import { requireAuth, api } from './admin.js';
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await requireAuth();
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/* ---------------------------------------------------------------------------
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* THE TEST RIG — one source of truth.
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*
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* World frame matches the exhibit: origin at the FRONT-LEFT corner of the sheet,
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* +X right, +Z away from the viewer, +Y up, centimetres. An A3 landscape sheet
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* is exactly 42.0 x 29.7 cm, so the sheet IS the table.
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*
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* Page mapping: page x = X*10 mm, page y = (29.7 - Z)*10 mm, i.e. the top of the
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* printed page is the BACK of the table. Crests use yawDeg 180 so their printed
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* top edge points to +Z (page top) — that is, they print the right way up.
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* ------------------------------------------------------------------------- */
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const SHEET = { w: 42.0, d: 29.7 }; // cm
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const CREST_MM = 60;
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const CRESTS = [ // markerId + centre (cm)
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{ id: 0, x: 5, z: 4 }, { id: 4, x: 21, z: 4 }, { id: 1, x: 37, z: 4 },
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{ id: 2, x: 5, z: 25.7 }, { id: 5, x: 21, z: 25.7 }, { id: 3, x: 37, z: 25.7 },
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];
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const CYL = { x: 21, z: 14.85, diaMM: 85, hMM: 160 };
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const PATH_RECT = { x0: 12, x1: 30, z0: 8.85, z1: 20.85 }; // walker's loop
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const STATIC_SPAWN = { id: 'test-static', x: 21, z: 22 }; // sits BEHIND the cylinder
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const GHOST_STATIC = 'air-marshall-brooks';
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const GHOST_WALKER = 'barney-mcphly';
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// world (cm) -> page (mm)
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const px = (xCm) => xCm * 10;
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const py = (zCm) => (SHEET.d - zCm) * 10;
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const NS = 'http://www.w3.org/2000/svg';
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const svg = document.getElementById('sheet');
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const el = (tag, attrs, parent = svg) => {
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const n = document.createElementNS(NS, tag);
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for (const [k, v] of Object.entries(attrs)) n.setAttribute(k, v);
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parent.appendChild(n);
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return n;
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};
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function text(x, y, str, { size = 3.2, anchor = 'middle', fill = '#888', weight = 400, rotate = 0 } = {}) {
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const t = el('text', {
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x, y, 'font-size': size, 'text-anchor': anchor, fill,
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'font-family': 'system-ui, sans-serif', 'font-weight': weight,
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});
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if (rotate) t.setAttribute('transform', `rotate(${rotate} ${x} ${y})`);
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t.textContent = str;
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return t;
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}
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// ---- sheet edge + origin ----
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el('rect', { x: 0.5, y: 0.5, width: 419, height: 296, fill: '#fff', stroke: '#ccc', 'stroke-width': 0.4 });
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// ruler ticks every 10mm along the front (bottom) and left edges, labelled every 50mm
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for (let cm = 0; cm <= SHEET.w; cm++) {
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const big = cm % 5 === 0;
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el('line', { x1: px(cm), y1: py(0), x2: px(cm), y2: py(0) - (big ? 4 : 2), stroke: '#c8c8c8', 'stroke-width': 0.3 });
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if (big && cm > 0 && cm < SHEET.w) text(px(cm), py(0) - 5.5, `${cm}`, { size: 2.6, fill: '#bbb' });
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}
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for (let cm = 0; cm <= Math.floor(SHEET.d); cm++) {
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const big = cm % 5 === 0;
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el('line', { x1: 0, y1: py(cm), x2: (big ? 4 : 2), y2: py(cm), stroke: '#c8c8c8', 'stroke-width': 0.3 });
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if (big && cm > 0) text(5.5, py(cm) + 1, `${cm}`, { size: 2.6, anchor: 'start', fill: '#bbb' });
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}
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// origin marker + axes
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el('circle', { cx: px(0), cy: py(0), r: 1.6, fill: 'none', stroke: '#e0645a', 'stroke-width': 0.5 });
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el('line', { x1: px(0), y1: py(0), x2: px(3.4), y2: py(0), stroke: '#e0645a', 'stroke-width': 0.5 });
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el('line', { x1: px(0), y1: py(0), x2: px(0), y2: py(3.4), stroke: '#e0645a', 'stroke-width': 0.5 });
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text(px(3.9), py(0) + 1, '+X', { size: 3, anchor: 'start', fill: '#e0645a' });
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text(px(0) + 1.5, py(3.9), '+Z', { size: 3, anchor: 'start', fill: '#e0645a' });
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text(px(0) + 2, py(0) + 5, 'origin (0,0) — front-left', { size: 2.8, anchor: 'start', fill: '#e0645a' });
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// ---- the walker's path ----
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el('rect', {
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x: px(PATH_RECT.x0), y: py(PATH_RECT.z1),
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width: px(PATH_RECT.x1) - px(PATH_RECT.x0), height: py(PATH_RECT.z0) - py(PATH_RECT.z1),
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fill: 'none', stroke: '#7aa7d8', 'stroke-width': 0.6, 'stroke-dasharray': '4 3',
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});
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for (const c of [[PATH_RECT.x0, PATH_RECT.z0], [PATH_RECT.x1, PATH_RECT.z0], [PATH_RECT.x1, PATH_RECT.z1], [PATH_RECT.x0, PATH_RECT.z1]])
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el('circle', { cx: px(c[0]), cy: py(c[1]), r: 1, fill: '#7aa7d8' });
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text(px(PATH_RECT.x0) + 2, py(PATH_RECT.z0) - 2.5, 'walker path (loop, 60 cm)', { size: 3, anchor: 'start', fill: '#7aa7d8' });
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// ---- cylinder footprint ----
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const rMM = CYL.diaMM / 2;
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el('circle', { cx: px(CYL.x), cy: py(CYL.z), r: rMM, fill: 'none', stroke: '#d08b3c', 'stroke-width': 0.7, 'stroke-dasharray': '3 2' });
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el('line', { x1: px(CYL.x) - rMM - 4, y1: py(CYL.z), x2: px(CYL.x) + rMM + 4, y2: py(CYL.z), stroke: '#d08b3c', 'stroke-width': 0.3 });
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el('line', { x1: px(CYL.x), y1: py(CYL.z) - rMM - 4, x2: px(CYL.x), y2: py(CYL.z) + rMM + 4, stroke: '#d08b3c', 'stroke-width': 0.3 });
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text(px(CYL.x), py(CYL.z) - rMM - 6, `cylinder ⌀${CYL.diaMM} mm × ${CYL.hMM} mm tall`, { size: 3.2, fill: '#d08b3c', weight: 600 });
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text(px(CYL.x), py(CYL.z) + rMM + 9, 'occluder — ghosts behind it should be hidden', { size: 2.8, fill: '#d08b3c' });
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// ---- static ghost spot ----
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el('circle', { cx: px(STATIC_SPAWN.x), cy: py(STATIC_SPAWN.z), r: 2.5, fill: 'none', stroke: '#8f6fd0', 'stroke-width': 0.6 });
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el('circle', { cx: px(STATIC_SPAWN.x), cy: py(STATIC_SPAWN.z), r: 0.7, fill: '#8f6fd0' });
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text(px(STATIC_SPAWN.x) + 4, py(STATIC_SPAWN.z) + 1, 'static ghost', { size: 3, anchor: 'start', fill: '#8f6fd0' });
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// ---- crests, drawn as vector cells ----
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const dic = new AR.Dictionary('ARUCO_4X4_1000');
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for (const c of CRESTS) {
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const s = CREST_MM, cell = s / 6;
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const x0 = px(c.x) - s / 2, y0 = py(c.z) - s / 2;
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el('rect', { x: x0, y: y0, width: s, height: s, fill: '#000' }); // border + payload ground
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const code = dic.codeList[c.id]; // 16 chars, row-major
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for (let r = 0; r < 4; r++) for (let q = 0; q < 4; q++) {
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if (code[r * 4 + q] === '1')
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el('rect', { x: x0 + (q + 1) * cell, y: y0 + (r + 1) * cell, width: cell, height: cell, fill: '#fff' });
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}
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// ID caption, kept outside the quiet zone
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text(px(c.x), y0 - 3.5, `crest #${c.id}`, { size: 3.4, fill: '#555', weight: 600 });
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text(px(c.x), y0 + s + 6, `(${c.x}, ${c.z}) cm · ${CREST_MM} mm`, { size: 2.7, fill: '#999' });
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}
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// ---- scale bar (print verification) ----
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const sbX = px(31), sbY = py(14.5);
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el('line', { x1: sbX, y1: sbY, x2: sbX + 100, y2: sbY, stroke: '#333', 'stroke-width': 0.6 });
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el('line', { x1: sbX, y1: sbY - 2, x2: sbX, y2: sbY + 2, stroke: '#333', 'stroke-width': 0.6 });
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el('line', { x1: sbX + 100, y1: sbY - 2, x2: sbX + 100, y2: sbY + 2, stroke: '#333', 'stroke-width': 0.6 });
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text(sbX + 50, sbY - 3.5, '100 mm — measure this to confirm 1:1', { size: 3, fill: '#333', weight: 600 });
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text(210, 292, 'Newbury Exhibit — A3 test rig · A3 landscape at 100% · sheet = table, 42.0 × 29.7 cm', { size: 3, fill: '#aaa' });
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/* ---------------------------------------------------------------------------
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* The matching server config, built from the same constants as the drawing —
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* so the printed sheet and the live scene can never drift apart.
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* ------------------------------------------------------------------------- */
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function buildScene() {
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return {
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world: { units: 'cm', note: 'A3 test rig: origin = front-left corner of the sheet; +X right, +Z back, +Y up.' },
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anchors: CRESTS.map(c => ({
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markerId: c.id, position: [c.x, 0, c.z], mount: 'flat',
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yawDeg: 180, pitchDeg: 0, rollDeg: 0, sizeMM: CREST_MM, enabled: true,
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})),
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buildings: [{
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id: 'test-cylinder', shape: 'cylinder',
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position: [CYL.x, 0, CYL.z],
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radiusCm: CYL.diaMM / 20, heightCm: CYL.hMM / 10,
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yawDeg: 0,
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}],
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spawns: [{ id: STATIC_SPAWN.id, position: [STATIC_SPAWN.x, 0, STATIC_SPAWN.z], enabled: true }],
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paths: [{
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id: 'test-loop', mode: 'loop', enabled: true,
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points: [
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[PATH_RECT.x0, 0, PATH_RECT.z0], [PATH_RECT.x1, 0, PATH_RECT.z0],
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[PATH_RECT.x1, 0, PATH_RECT.z1], [PATH_RECT.x0, 0, PATH_RECT.z1],
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],
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}],
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table: { width: SHEET.w, depth: SHEET.d, offsetX: 0, offsetZ: 0, show: true },
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ghostHeightCm: 4,
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};
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}
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function buildPlaylist() {
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return {
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crossfadeSeconds: 3,
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behaviors: {
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staticChance: 0.5,
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wanderRadius: 2.5, wanderSpeed: 0.15, wanderVertical: 0.4,
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pathSpeed: 1.5, pathChance: 0.4,
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bobAmp: 0.3, bobHz: 0.4, // 3mm idle float
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},
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rarity: {
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weights: { Common: 1, Rare: 0.5, Epic: 0.25, Legendary: 0.1 },
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movementScale: { Common: 1, Rare: 1, Epic: 0.7, Legendary: 0.4 },
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},
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// exactly two ghosts, both permanent: nothing spawns or despawns mid-test
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residents: [
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{ id: GHOST_STATIC, behavior: 'static', spawnId: STATIC_SPAWN.id },
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{ id: GHOST_WALKER, behavior: 'path', pathId: 'test-loop' },
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],
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tracks: [], // ambient off — a fixed scene is the point
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timeWindows: [],
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};
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}
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const status = document.getElementById('status');
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document.getElementById('load').addEventListener('click', async () => {
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if (!confirm('Replace the live scene AND playlist with the A3 test rig?')) return;
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status.textContent = 'loading…';
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try {
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await api('/api/scene', 'PUT', buildScene());
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await api('/api/playlist', 'PUT', buildPlaylist());
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status.textContent = '✓ loaded — open the exhibit and point at a crest';
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} catch (e) {
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status.textContent = '✗ ' + (e && e.message || e);
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}
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});
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</script>
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</body>
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</html>
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