diff --git a/www/about.html b/www/about.html new file mode 100644 index 0000000..4af7662 --- /dev/null +++ b/www/about.html @@ -0,0 +1,12 @@ + + + + + + + +
+
+ + + diff --git a/www/index.html b/www/index.html index 081f3cc..976e7fd 100644 --- a/www/index.html +++ b/www/index.html @@ -35,8 +35,8 @@ @@ -94,373 +94,8 @@

tiny text!!!

wuff

- + - + \ No newline at end of file diff --git a/www/script.js b/www/script.js new file mode 100644 index 0000000..fe0168a --- /dev/null +++ b/www/script.js @@ -0,0 +1,364 @@ +// ─── Configuration ──────────────────────────────────────────────────────────── +const CONFIG = { + bezelWidth: 0.18, + glassThickness: 2.0, + ior: 1.65, + scaleRatio: 1.6, + specularAngle: -55, + specularOpacity: 0.9, + specularSaturation: 6, + borderRadius: 50, +}; + +// ─── Maths helpers ──────────────────────────────────────────────────────────── + +function surfaceHeight(t) { + return Math.pow(1 - Math.pow(1 - t, 4), 0.25); +} + +function surfaceNormal(t) { + const d = 0.001; + const y1 = surfaceHeight(Math.max(0, t - d)); + const y2 = surfaceHeight(Math.min(1, t + d)); + const derivative = (y2 - y1) / (2 * d); + return { x: -derivative, y: 1 }; +} + +function refract(incidentDir, normal, n1, n2) { + const nLen = Math.hypot(normal.x, normal.y); + const nx = normal.x / nLen; + const ny = normal.y / nLen; + const ratio = n1 / n2; + const cosI = -(incidentDir.x * nx + incidentDir.y * ny); + const sinT2 = ratio * ratio * (1 - cosI * cosI); + if (sinT2 > 1) return null; + const cosT = Math.sqrt(1 - sinT2); + return { + x: ratio * incidentDir.x + (ratio * cosI - cosT) * nx, + y: ratio * incidentDir.y + (ratio * cosI - cosT) * ny, + }; +} + +// ─── Rounded rect helper ────────────────────────────────────────────────────── + +function roundedRectInfo(px, py, width, height, r) { + const radius = Math.min(r, width / 2, height / 2); + + const inCornerZone = + (px < radius || px > width - radius) && + (py < radius || py > height - radius); + + let dist, nx, ny; + + if (inCornerZone) { + const corners = [ + { cx: radius, cy: radius }, + { cx: width - radius, cy: radius }, + { cx: radius, cy: height - radius }, + { cx: width - radius, cy: height - radius }, + ]; + let best = corners[0], bestD = Math.hypot(px - corners[0].cx, py - corners[0].cy); + for (let i = 1; i < corners.length; i++) { + const d = Math.hypot(px - corners[i].cx, py - corners[i].cy); + if (d < bestD) { bestD = d; best = corners[i]; } + } + dist = radius - bestD; + const len = bestD || 1; + nx = (best.cx - px) / len; + ny = (best.cy - py) / len; + } else { + const dLeft = px; + const dRight = width - 1 - px; + const dTop = py; + const dBottom = height - 1 - py; + const minD = Math.min(dLeft, dRight, dTop, dBottom); + dist = minD; + if (minD === dLeft) { nx = 1; ny = 0; } + else if (minD === dRight) { nx = -1; ny = 0; } + else if (minD === dTop) { nx = 0; ny = 1; } + else { nx = 0; ny = -1; } + } + + return { dist, nx, ny }; +} + +// ─── Displacement map generation ───────────────────────────────────────────── + +function buildDisplacementMap(width, height) { + const bezel = CONFIG.bezelWidth * Math.min(width, height); + const samples = 128; + + const magnitudes = new Float32Array(samples); + const incident = { x: 0, y: 1 }; + + for (let i = 0; i < samples; i++) { + const t = i / (samples - 1); + const normal = surfaceNormal(t); + const refracted = refract(incident, normal, 1.0, CONFIG.ior); + magnitudes[i] = refracted + ? (refracted.x - incident.x) * CONFIG.glassThickness * bezel + : 0; + } + + const maxDisp = Math.max(...magnitudes) || 1; + const data = new Uint8ClampedArray(width * height * 4); + + for (let py = 0; py < height; py++) { + for (let px = 0; px < width; px++) { + const idx = (py * width + px) * 4; + const { dist, nx, ny } = roundedRectInfo(px, py, width, height, CONFIG.borderRadius); + + let dispX = 0, dispY = 0; + + if (dist >= 0 && dist < bezel) { + const t = dist / bezel; + const sampleIdx = Math.min(samples - 1, Math.floor(t * (samples - 1))); + const rawMag = magnitudes[sampleIdx] / maxDisp; + const smooth = t * t * (3 - 2 * t); + const mag = rawMag * (1 - smooth); + dispX = nx * mag; + dispY = ny * mag; + } + + data[idx] = Math.round(128 + dispX * 127); + data[idx + 1] = Math.round(128 + dispY * 127); + data[idx + 2] = 128; + data[idx + 3] = 255; + } + } + + return { + imageData: new ImageData(data, width, height), + maxDisplacement: maxDisp * CONFIG.scaleRatio, + }; +} + +// ─── Specular highlight map generation ─────────────────────────────────────── + +function buildSpecularMap(width, height) { + const canvas = document.createElement('canvas'); + canvas.width = width; + canvas.height = height; + const ctx = canvas.getContext('2d'); + + const bezel = CONFIG.bezelWidth * Math.min(width, height); + const lightAngleRad = (CONFIG.specularAngle * Math.PI) / 180; + const lightDir = { x: Math.cos(lightAngleRad), y: Math.sin(lightAngleRad) }; + + const imageData = ctx.createImageData(width, height); + const data = imageData.data; + + for (let py = 0; py < height; py++) { + for (let px = 0; px < width; px++) { + const idx = (py * width + px) * 4; + const { dist, nx, ny } = roundedRectInfo(px, py, width, height, CONFIG.borderRadius); + + let intensity = 0; + + if (dist >= 0 && dist < bezel) { + const t = dist / bezel; + const dot = nx * lightDir.x + ny * lightDir.y; + const rim = Math.max(0, dot); + const slope = Math.abs(surfaceNormal(t).x); + const smooth = t * t * (3 - 2 * t); + const raw = rim * slope * (1 - smooth); + intensity = Math.pow(raw, 0.5); + } + + data[idx] = Math.round(235 * intensity); + data[idx + 1] = Math.round(245 * intensity); + data[idx + 2] = Math.round(255 * intensity); + data[idx + 3] = Math.round(CONFIG.specularOpacity * 255 * intensity); + } + } + + ctx.putImageData(imageData, 0, 0); + return canvas.toDataURL(); +} + +// ─── ImageData → data URL ───────────────────────────────────────────────────── + +function imageDataToDataURL(imageData) { + const canvas = document.createElement('canvas'); + canvas.width = imageData.width; + canvas.height = imageData.height; + canvas.getContext('2d').putImageData(imageData, 0, 0); + return canvas.toDataURL(); +} + +// ─── Apply filter to card ───────────────────────────────────────────────────── + +function applyLiquidGlass() { + const card = document.getElementById('card'); + + // offsetWidth/Height for map generation (unaffected by zoom) + const w = card.offsetWidth; + const h = card.offsetHeight; + if (w === 0 || h === 0) return; + + // getBoundingClientRect for SVG filter dimensions — these must match the + // actual rendered pixel size that backdrop-filter sees at current zoom level + const rect = card.getBoundingClientRect(); + const fw = Math.round(rect.width); + const fh = Math.round(rect.height); + + CONFIG.borderRadius = parseFloat(getComputedStyle(card).borderRadius) || 25; + + const { imageData, maxDisplacement } = buildDisplacementMap(w, h); + const dispDataURL = imageDataToDataURL(imageData); + const specularDataURL = buildSpecularMap(w, h); + + const dispImg = document.getElementById('displacement-map-img'); + const specImg = document.getElementById('specular-map-img'); + const dispFilter = document.getElementById('displacement-map-filter'); + + // Set filter image dimensions to the zoomed rect size so the map aligns correctly + dispImg.setAttribute('href', dispDataURL); + dispImg.setAttribute('width', fw); + dispImg.setAttribute('height', fh); + specImg.setAttribute('href', specularDataURL); + specImg.setAttribute('width', fw); + specImg.setAttribute('height', fh); + dispFilter.setAttribute('scale', maxDisplacement); + + const isChrome = /Chrome/.test(navigator.userAgent) && !/Edg|Firefox/.test(navigator.userAgent); + if (isChrome) { + card.style.backdropFilter = 'url(#liquid-glass) blur(3px) saturate(1.8) brightness(1.05)'; + card.style.webkitBackdropFilter = 'url(#liquid-glass) blur(3px) saturate(1.8) brightness(1.05)'; + } +} + +// ─── Nav glass ──────────────────────────────────────────────────────────────── + +// Phase durations in ms — keep in sync with CSS transitions +const OPEN_WIDTH_MS = 250; // width/radius expand duration +const OPEN_DROPDOWN_MS = 300; // dropdown slide-down duration +const OPEN_DROPDOWN_DELAY = 220; // CSS delay before dropdown opens +const CLOSE_DROPDOWN_MS = 200; // dropdown collapse duration (no CSS delay) +const CLOSE_WIDTH_MS = 250; // width/radius collapse duration +const CLOSE_WIDTH_DELAY = 200; // wait for dropdown to finish before collapsing width + +// Build and apply nav glass maps at a specific border-radius +function applyNavGlassAt(radius) { + const pill = document.getElementById('nav-pill'); + const w = pill.offsetWidth; + const h = pill.offsetHeight; + if (w === 0 || h === 0) return; + + const rect = pill.getBoundingClientRect(); + const fw = Math.round(rect.width); + const fh = Math.round(rect.height); + + const savedBezel = CONFIG.bezelWidth; + const savedScale = CONFIG.scaleRatio; + const savedRadius = CONFIG.borderRadius; + CONFIG.bezelWidth = 0.35; + CONFIG.scaleRatio = 1.6; + CONFIG.borderRadius = Math.min(radius, w / 2, h / 2); + + const { imageData, maxDisplacement } = buildDisplacementMap(w, h); + const dispDataURL = imageDataToDataURL(imageData); + const specularDataURL = buildSpecularMap(w, h); + + CONFIG.bezelWidth = savedBezel; + CONFIG.scaleRatio = savedScale; + CONFIG.borderRadius = savedRadius; + + document.getElementById('nav-disp-img').setAttribute('href', dispDataURL); + document.getElementById('nav-disp-img').setAttribute('width', fw); + document.getElementById('nav-disp-img').setAttribute('height', fh); + document.getElementById('nav-spec-img').setAttribute('href', specularDataURL); + document.getElementById('nav-spec-img').setAttribute('width', fw); + document.getElementById('nav-spec-img').setAttribute('height', fh); + document.getElementById('nav-disp-filter').setAttribute('scale', maxDisplacement); + + const isChrome = /Chrome/.test(navigator.userAgent) && !/Edg|Firefox/.test(navigator.userAgent); + if (isChrome) { + pill.style.backdropFilter = 'url(#liquid-glass-nav) blur(3px) saturate(1.8) brightness(1.05)'; + pill.style.webkitBackdropFilter = 'url(#liquid-glass-nav) blur(3px) saturate(1.8) brightness(1.05)'; + } +} + +// Animate refraction maps across a time window +function scheduleNavGlassFrames(startRadius, targetRadius, delayMs, durationMs, steps = 14) { + for (let i = 1; i <= steps; i++) { + const t = i / steps; + const eased = 1 - Math.pow(1 - t, 3); + const radius = startRadius + (targetRadius - startRadius) * eased; + setTimeout(() => applyNavGlassAt(radius), delayMs + t * durationMs); + } +} + +function applyNavGlass() { + const pill = document.getElementById('nav-pill'); + const radius = parseFloat(getComputedStyle(pill).borderRadius) || 999; + applyNavGlassAt(radius); +} + +// ─── Event listeners ────────────────────────────────────────────────────────── + +window.addEventListener('load', () => { applyLiquidGlass(); applyNavGlass(); }); +window.addEventListener('resize', () => { applyLiquidGlass(); applyNavGlass(); }); + +let lastDPR = window.devicePixelRatio; +setInterval(() => { + if (window.devicePixelRatio !== lastDPR) { + lastDPR = window.devicePixelRatio; + applyLiquidGlass(); + applyNavGlass(); + } +}, 250); + +// ─── Nav pill interactions ──────────────────────────────────────────────────── + +const navPill = document.getElementById('nav-pill'); +const navBar = document.getElementById('nav-pill-bar'); + +navBar.addEventListener('click', () => { + const opening = !navPill.classList.contains('open'); + navPill.classList.toggle('open'); + + if (opening) { + // Phase 1: width expands (0 → OPEN_WIDTH_MS) + scheduleNavGlassFrames(999, 25, 0, OPEN_WIDTH_MS); + // Phase 2: dropdown falls (OPEN_DROPDOWN_DELAY → +OPEN_DROPDOWN_MS) + // refraction height grows as the pill gets taller — track it live + scheduleNavGlassFrames(25, 25, OPEN_DROPDOWN_DELAY, OPEN_DROPDOWN_MS); + // Final settle + setTimeout(applyNavGlass, OPEN_DROPDOWN_DELAY + OPEN_DROPDOWN_MS + 50); + } else { + // Phase 1: dropdown collapses (0 → CLOSE_DROPDOWN_MS) + scheduleNavGlassFrames(25, 25, 0, CLOSE_DROPDOWN_MS); + // Phase 2: width shrinks after dropdown finishes + scheduleNavGlassFrames(25, 999, CLOSE_WIDTH_DELAY, CLOSE_WIDTH_MS); + // Final settle + setTimeout(applyNavGlass, CLOSE_WIDTH_DELAY + CLOSE_WIDTH_MS + 50); + } +}); + +document.addEventListener('click', (e) => { + if (!navPill.contains(e.target) && navPill.classList.contains('open')) { + navPill.classList.remove('open'); + scheduleNavGlassFrames(25, 25, 0, CLOSE_DROPDOWN_MS); + scheduleNavGlassFrames(25, 999, CLOSE_WIDTH_DELAY, CLOSE_WIDTH_MS); + setTimeout(applyNavGlass, CLOSE_WIDTH_DELAY + CLOSE_WIDTH_MS + 50); + } +}); + +// ─── Nav pin on scroll ──────────────────────────────────────────────────────── + +const navWrap = document.querySelector('.nav-wrap'); +const navPlaceholder = document.getElementById('nav-placeholder'); + +function updateNavPin() { + navWrap.classList.remove('pinned'); + navPlaceholder.classList.remove('visible'); + const offsetTop = navWrap.offsetTop; + if (window.scrollY > offsetTop) { + navWrap.classList.add('pinned'); + navPlaceholder.classList.add('visible'); + } +} + +window.addEventListener('scroll', updateNavPin); +window.addEventListener('load', updateNavPin);