Animated sunscope with day cycle
This commit is contained in:
fraxle
2026-06-06 14:49:56 +01:00
parent 6da2f34b26
commit f22833ee63
7 changed files with 433 additions and 19 deletions
+82
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@@ -191,6 +191,42 @@
display: block;
}
/* Wraps the dial SVG + the precip FX canvas so the canvas can overlay the
lens. Sizes itself to the SVG (220px, or 250px on mobile). */
.scope-wrap {
position: relative;
display: inline-block;
line-height: 0;
}
/* Animated rain/snow/lightning layer, clipped to the lens circle and sitting
on top of the glass. Inset to 95% to match the lens radius (r=95 of 100). */
.scope-fx {
position: absolute;
top: 50%;
left: 50%;
width: 95%;
height: 95%;
transform: translate(-50%, -50%);
border-radius: 50%;
pointer-events: none;
}
/* Cloud sprite strips drift horizontally inside the lens; sprites are
duplicated +200 user-units so the wrap is seamless. */
@keyframes scopeCloudDrift {
from { transform: translateX(0); }
to { transform: translateX(var(--drift, -200px)); }
}
.scope-cloud-layer {
animation: scopeCloudDrift linear infinite;
will-change: transform;
}
@media (prefers-reduced-motion: reduce) {
.scope-cloud-layer { animation: none; }
}
.scope-col {
display: flex;
flex-direction: column;
@@ -198,6 +234,52 @@
gap: 8px;
}
/* Time-lapse toggle beneath the dial. Brass pill matching the scope bezel. */
.scope-play {
display: inline-flex;
align-items: center;
gap: 7px;
padding: 4px 12px;
border: 1px solid rgba(200, 146, 42, 0.5);
border-radius: 999px;
background: rgba(40, 28, 10, 0.55);
color: #e8d8c0;
font-family: 'Manrope', sans-serif;
font-size: 11px;
font-weight: 700;
letter-spacing: 0.5px;
cursor: pointer;
transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.scope-play:hover {
background: rgba(200, 146, 42, 0.18);
border-color: rgba(200, 146, 42, 0.85);
color: #f5edd6;
}
.scope-play.is-playing {
padding: 4px 14px;
background: #241708; /* solid dark so the clock pops */
border-color: rgba(200, 146, 42, 0.9);
color: #ffd98a;
}
.scope-play.is-playing:hover {
background: #2e1d0a;
color: #ffe6b0;
}
.scope-play-icon { font-size: 9px; line-height: 1; }
/* While playing, the simulated clock is the main readout — big, bright and
monospaced so the digits don't jitter as they tick. */
.scope-play.is-playing .scope-play-label {
font-family: 'JetBrains Mono', ui-monospace, monospace;
font-size: 15px;
font-weight: 700;
letter-spacing: 0.5px;
font-variant-numeric: tabular-nums;
min-width: 52px;
text-align: center;
color: #ffd98a;
}
/* The environment selector sits just below the dial, centred under it.
Kept out of .scope-col so the dial alone defines that column's height
and stays vertically centred against the side columns. */
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+92 -6
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@@ -39,6 +39,43 @@ import { exportDayXls } from './export.js';
const html = htm.bind(h);
// ── Scope time-lapse playback ───────────────────────────────────────────
// Drives the big scope through the next 24h so you can watch the sky/ground
// gradients and weather evolve. Speed: 15 simulated minutes every 5 real
// seconds (≈ a full day in 8 minutes). UI advances smoothly every 200ms.
const PLAYBACK_SIM_MS_PER_REAL_MS = 180; // 15 min / 5 s = 180×
const PLAYBACK_STEP_MS = 200; // UI update cadence
const PLAYBACK_WINDOW_MS = 24 * 60 * 60 * 1000;
// Interpolates the hourly rows to an arbitrary instant (ms). Returns a row
// with smoothly blended elevation / cloud / precip so the scope animates
// continuously rather than snapping hour to hour.
function interpolateRowAt(rows, t) {
if (!rows || rows.length === 0) return null;
if (t <= +rows[0].dt) return rows[0];
if (t >= +rows[rows.length - 1].dt) return rows[rows.length - 1];
let lo = rows[0], hi = rows[1];
for (let i = 1; i < rows.length; i++) {
if (+rows[i].dt >= t) { lo = rows[i - 1]; hi = rows[i]; break; }
}
const f = (t - +lo.dt) / (+hi.dt - +lo.dt);
const L = (a, b) => (a == null || b == null) ? (a ?? b) : a + (b - a) * f;
return {
...lo,
dt: new Date(t),
elev: L(lo.elev, hi.elev),
glob: L(lo.glob, hi.glob),
utciAdj: L(lo.utciAdj, hi.utciAdj),
cc: L(lo.cc, hi.cc),
ccLow: L(lo.ccLow, hi.ccLow),
ccMid: L(lo.ccMid, hi.ccMid),
ccHigh: L(lo.ccHigh, hi.ccHigh),
precip: L(lo.precip, hi.precip),
snow: L(lo.snow, hi.snow),
visKm: L(lo.visKm, hi.visKm),
};
}
export function UTCIForecast() {
// ── STATE + EFFECTS ───────────────────────────────────────────────────
@@ -120,6 +157,25 @@ export function UTCIForecast() {
};
}, [searchOpen, setSearchQuery]);
// ─── SCOPE TIME-LAPSE ──────────────────────────────────────────────────
// `playing` toggles the time-lapse; `simMs` is the simulated instant shown.
const [playing, setPlaying] = useState(false);
const [simMs, setSimMs] = useState(null);
useEffect(() => {
if (!playing) return;
const start = now.getTime();
const end = start + PLAYBACK_WINDOW_MS;
setSimMs(prev => (prev == null || prev < start || prev > end) ? start : prev);
const id = setInterval(() => {
setSimMs(prev => {
let next = (prev == null ? start : prev) + PLAYBACK_STEP_MS * PLAYBACK_SIM_MS_PER_REAL_MS;
if (next > end) next = start; // loop back to "now"
return next;
});
}, PLAYBACK_STEP_MS);
return () => clearInterval(id);
}, [playing]);
// Columns that mark the start of a logical group - used to draw a faint
// vertical border separating groups in the forecast table.
const GROUP_ORDER = {
@@ -205,6 +261,21 @@ export function UTCIForecast() {
// ─── 3b. PANEL COMPUTATIONS ──────────────────────────────────────────
// Derived from currentRow and the active day - no side effects.
const whyFeelsLike = computeWhyFeelsLike(currentRow ?? null, UTCI_ENVIRONMENTS[utciEnv]);
// During time-lapse, the scope reads an interpolated row at the simulated
// instant instead of the live "now" row. Everything else stays on real now.
const simRow = (playing && simMs != null) ? interpolateRowAt(hourlyRows, simMs) : null;
const scopeRow = simRow || currentRow;
const scopeElev = simRow ? simRow.elev : (liveElev ?? currentRow?.elev ?? 0);
const scopeDt = simRow ? simRow.dt : now;
const scopeCat = simRow ? utciCategory(simRow.utciAdj) : currentCat;
// Synthesize a storm overlay (lightning) when the simulated hour is wet;
// outside playback keep the real active event.
const scopeEvent = simRow ? ((simRow.precip ?? 0) >= 4 ? { id: 'storm' } : null) : lensEvent;
// Local clock label for the playback button, e.g. "14:30".
const simClock = (playing && scopeDt)
? new Date(scopeDt.getTime() + utcOffsetMs).toISOString().slice(11, 16)
: null;
const staleThreshMs = isPro ? 15 * 60 * 1000 : 30 * 60 * 1000;
const isStale = fetchedAt ? (now - fetchedAt) > staleThreshMs : false;
const glanceSummary = computeGlanceSummary(
@@ -440,15 +511,30 @@ export function UTCIForecast() {
<div class="scope-col">
<${ScopeReticle}
value=${currentRow?.utciAdj ?? null}
cat=${currentCat}
value=${scopeRow?.utciAdj ?? null}
cat=${scopeCat}
loading=${loading}
elev=${liveElev ?? currentRow?.elev ?? 0}
dt=${now}
glob=${currentRow?.glob ?? 0}
activeEvent=${lensEvent}
elev=${scopeElev}
dt=${scopeDt}
glob=${scopeRow?.glob ?? 0}
activeEvent=${scopeEvent}
utciEnvShort=${UTCI_ENVIRONMENTS[utciEnv]?.shortLabel ?? null}
cc=${scopeRow?.cc ?? null}
ccLow=${scopeRow?.ccLow ?? null}
ccMid=${scopeRow?.ccMid ?? null}
ccHigh=${scopeRow?.ccHigh ?? null}
precip=${scopeRow?.precip ?? 0}
snow=${scopeRow?.snow ?? 0}
visKm=${scopeRow?.visKm ?? null}
/>
${hourlyRows.length > 0 && html`
<button type="button"
class=${`scope-play ${playing ? 'is-playing' : ''}`}
onClick=${() => setPlaying(p => !p)}
title=${playing ? 'Stop time-lapse' : 'Play a 24-hour time-lapse on the scope'}>
<span class="scope-play-icon">${playing ? '◼' : '▶'}</span>
<span class="scope-play-label">${playing ? simClock : 'Day cycle'}</span>
</button>`}
</div>
<div class="header-right">
+151 -4
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+5 -9
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@@ -82,10 +82,8 @@ export function getLensOverlaySVG(event, cx, cy, lensR) {
}
if (id === 'wet') {
const sl = [-55,-30,-5,20,45,65].map(function(x){
return '<line x1="' + (cx+x) + '" y1="' + (cy-lensR+10) + '" x2="' + (cx+x-15) + '" y2="' + (cy+lensR-10) + '" stroke="rgba(140,180,220,0.6)" stroke-width="1" stroke-linecap="round" />';
}).join('');
return '<g clip-path="url(#scope-lens-clip)" opacity="0.45">' + sl + '</g>';
// Rain is now drawn continuously on the scope FX canvas; no static overlay.
return null;
}
if (id === 'wind') {
@@ -96,12 +94,10 @@ export function getLensOverlaySVG(event, cx, cy, lensR) {
}
if (id === 'storm') {
// Driving rain streaks plus a forked lightning bolt.
const sl = [-55,-30,-5,20,45,65].map(function(x){
return '<line x1="' + (cx+x) + '" y1="' + (cy-lensR+10) + '" x2="' + (cx+x-22) + '" y2="' + (cy+lensR-10) + '" stroke="rgba(140,180,220,0.55)" stroke-width="1" stroke-linecap="round" />';
}).join('');
// Driving rain + lightning flashes are drawn on the FX canvas; keep just
// the static forked bolt as the event signifier.
const bolt = '<path d="M ' + (cx+6) + ' ' + (cy-lensR+18) + ' L ' + (cx-14) + ' ' + (cy+8) + ' L ' + (cx-2) + ' ' + (cy+8) + ' L ' + (cx-18) + ' ' + (cy+lensR-14) + ' L ' + (cx+18) + ' ' + (cy-2) + ' L ' + (cx+4) + ' ' + (cy-2) + ' Z" fill="rgba(255,224,120,0.7)" stroke="rgba(255,200,60,0.8)" stroke-width="1" stroke-linejoin="round" />';
return '<g clip-path="url(#scope-lens-clip)" opacity="0.5">' + sl + bolt + '</g>';
return '<g clip-path="url(#scope-lens-clip)" opacity="0.5">' + bolt + '</g>';
}
if (id === 'frost') {