Tweaked and updated the day tab background shades depending on cloud & rain. Give comfortable special treatment to avoid the green as it just looks weird.
This commit is contained in:
fraxle
2026-06-27 18:41:56 +01:00
parent df3256462a
commit bf64122bc2
4 changed files with 167 additions and 31 deletions
+42 -29
View File
@@ -45,26 +45,13 @@
import { h, Fragment } from '../../vendor/preact.js';
import { useRef, useEffect, useState } from '../../vendor/preact-hooks.js';
import htm from '../../vendor/htm.js';
import { confidenceBand } from '../utils.js';
import { confidenceBand, utciCategory } from '../utils.js';
import { FREE_DAYS, FILTER_PROFILES, OUTDOORS_VARIANTS, profileButtonOrder, activityVariantKeys, placeVariantKeys, workVariantKeys } from '../config.js';
import { CloudIcon, PrecipIcon, CustomSelect } from '../components.js';
import { SubscribeModal } from './SubscribeModal.js';
const html = htm.bind(h);
// Converts a base RGB colour into the same 135° gradient used by the thermal
// bands legend: 50% white blend to pastelise, then a subtle light→dark sweep.
function weatherGradient(r, g, b) {
const blend = (c) => Math.round(c + (255 - c) * 0.82);
const [mr, mg, mb] = [blend(r), blend(g), blend(b)];
const lighten = (c) => Math.min(255, Math.round(c + (255 - c) * 0.30));
const darken = (c) => Math.round(c * 0.96);
const light = `rgb(${lighten(mr)},${lighten(mg)},${lighten(mb)})`;
const mid = `rgb(${mr},${mg},${mb})`;
const dark = `rgb(${darken(mr)},${darken(mg)},${darken(mb)})`;
return `linear-gradient(135deg, ${light} 0%, ${mid} 60%, ${dark} 100%)`;
}
// Active-tab variant: a more solid (less pastelised) version of the weather
// colour, drawn as a radial gradient whose strong colour sits at the outer
// edge and softens toward a lighter centre — so the hue reads as radiating
@@ -333,21 +320,47 @@ export function DayTabs({
const repDt = noonRow ? noonRow.dt : dDate;
const showPrecip = dayPrecip >= 0.3 || daySnow >= 0.1;
// Base RGB for each weather condition — pastelised by weatherGradient()
const [wR, wG, wB] = (daySnow >= 0.1) ? [100, 160, 230]
: (dayHi > 44) ? [136, 0, 0]
: (dayHi > 38) ? [210, 60, 30]
: showPrecip ? [ 50, 120, 200]
: (dayHi > 32) ? [220, 110, 30]
: (dayHi > 26) ? [220, 180, 30]
: modalCloudCat === 'overcast' ? [100, 110, 130]
: (dayHi !== null && dayHi < 9) ? [ 60, 110, 180]
: modalCloudCat === 'scattered' ? [160, 150, 130]
: modalCloudCat === 'wispy' ? [200, 180, 130]
: [220, 190, 50];
// Danger days keep a dark, saturated edge with a lighter centre.
const isDanger = dayHi !== null && dayHi > 44;
const wBg = weatherGradient(wR, wG, wB);
// Day-tab colour — PRIORITY model, no hue blending.
// Mixing a warm yellow with grey/blue passes through green, so rather
// than blend temperature with sky we pick ONE dimension by priority and
// only vary its shade: heat → snow → rain → cloud → sun (first wins).
// • Hot/extreme days always keep their heat colour (a safety signal).
// • Otherwise rain wins, then cloud, then a clear "sunny"/cold colour.
const mix = (a, b, t) => a.map((v, i) => Math.round(v + (b[i] - v) * Math.max(0, Math.min(1, t))));
const hex2rgb = (hx) => { const n = parseInt(hx.replace('#', ''), 16); return [(n >> 16) & 255, (n >> 8) & 255, n & 255]; };
const tBand = dayHi !== null ? utciCategory(dayHi) : { bg: '#f8e554' };
const ccVals = repRows.map(r => r.cc).filter(v => isFinite(v));
const avgCloud = ccVals.length ? ccVals.reduce((s, v) => s + v, 0) / ccVals.length : 0;
const isHot = dayHi !== null && dayHi >= 29; // Hot band and above
const isDanger = tBand.solid === true;
let rgb;
if (isHot) {
// Keep the heat hue; cloud only mutes it a touch (orange/red never
// greens) and rain does not override heat.
const heatFactor = dayHi >= 39 ? 0.15 : dayHi >= 34 ? 0.30 : 0.45;
const t = Math.max(0, Math.min(1, (avgCloud - 30) / 70)) * heatFactor;
rgb = mix(hex2rgb(tBand.bg), [170, 162, 152], t);
} else if (daySnow >= 0.1) {
// Snow: pale → icy blue with depth.
rgb = mix([226, 234, 244], [176, 202, 232], Math.max(0, Math.min(1, daySnow / 1.5)));
} else if (showPrecip) {
// Rain: light → deep blue with amount (pure blue, no temperature hue).
rgb = mix([150, 176, 212], [44, 84, 150], Math.max(0, Math.min(1, dayPrecip / 8)));
} else if (avgCloud >= 30) {
// Cloud: light → dark grey with cover (pure grey, no temperature hue).
rgb = mix([205, 206, 208], [110, 115, 122], Math.max(0, Math.min(1, (avgCloud - 30) / 70)));
} else if (dayHi !== null && dayHi < 10) {
// Clear & cold: keep the cold temperature blue.
rgb = hex2rgb(tBand.bg);
} else {
// Clear & mild/warm: a plain sunny yellow.
rgb = hex2rgb('#f8e554');
}
const [wR, wG, wB] = rgb;
const wBgNeutral = isDanger
? weatherGradientNeutral(wR, wG, wB, 0.15, 0.72)
: weatherGradientNeutral(wR, wG, wB);