navigation bar finished

This commit is contained in:
UniverseBow 2026-03-15 12:40:12 -07:00
parent 63a3fda67c
commit b22976bf85
2 changed files with 70 additions and 51 deletions

View file

@ -11,28 +11,18 @@
<img src="banner.png" alt="banner" />
</div>
<!-- SVG filter definition — hidden, just provides the filter for Chrome -->
<svg id="liquid-glass-svg" xmlns="http://www.w3.org/2000/svg" style="position:absolute;width:0;height:0;overflow:hidden;">
<defs>
<filter id="liquid-glass-nav" x="0" y="0" width="100%" height="100%" color-interpolation-filters="sRGB">
<feImage id="nav-disp-img" result="disp_map" />
<feDisplacementMap in="SourceGraphic" in2="disp_map" id="nav-disp-filter" xChannelSelector="R" yChannelSelector="G" result="refracted" />
<feImage id="nav-spec-img" result="spec_map" />
<feBlend in="refracted" in2="spec_map" mode="screen" result="with_specular" />
<feComposite in="with_specular" in2="SourceGraphic" operator="atop" />
</filter>
<feImage id="nav-disp-img" result="disp_map" />
<feDisplacementMap in="SourceGraphic" in2="disp_map" id="nav-disp-filter" xChannelSelector="R" yChannelSelector="G" result="refracted" />
<feImage id="nav-spec-img" result="spec_map" />
<feBlend in="refracted" in2="spec_map" mode="screen" result="with_specular" />
<feComposite in="with_specular" in2="SourceGraphic" operator="atop" />
</filter>
<filter id="liquid-glass" x="0" y="0" width="100%" height="100%" color-interpolation-filters="sRGB">
<feImage id="displacement-map-img" result="disp_map" />
<feDisplacementMap
in="SourceGraphic"
in2="disp_map"
id="displacement-map-filter"
xChannelSelector="R"
yChannelSelector="G"
result="refracted"
/>
<feDisplacementMap in="SourceGraphic" in2="disp_map" id="displacement-map-filter" xChannelSelector="R" yChannelSelector="G" result="refracted" />
<feImage id="specular-map-img" result="spec_map" />
<feBlend in="refracted" in2="spec_map" mode="screen" result="with_specular" />
<feComposite in="with_specular" in2="SourceGraphic" operator="atop" />
@ -287,9 +277,15 @@ function applyLiquidGlass() {
// ─── Nav glass ────────────────────────────────────────────────────────────────
const NAV_TRANSITION_MS = 300; // Must match CSS transition duration
// 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 value
// Build and apply nav glass maps at a specific border-radius
function applyNavGlassAt(radius) {
const pill = document.getElementById('nav-pill');
const w = pill.offsetWidth;
@ -326,18 +322,13 @@ function applyNavGlassAt(radius) {
}
}
// Rebuild maps across the transition so refraction tracks the shape live
function animateNavGlass(startRadius, targetRadius) {
const steps = 12;
const interval = NAV_TRANSITION_MS / steps;
// Animate refraction maps across a time window
function scheduleNavGlassFrames(startRadius, targetRadius, delayMs, durationMs, steps = 14) {
for (let i = 1; i <= steps; i++) {
setTimeout(() => {
const progress = i / steps;
const eased = 1 - Math.pow(1 - progress, 3); // ease-out cubic
const radius = startRadius + (targetRadius - startRadius) * eased;
applyNavGlassAt(radius);
}, i * interval);
const t = i / steps;
const eased = 1 - Math.pow(1 - t, 3);
const radius = startRadius + (targetRadius - startRadius) * eased;
setTimeout(() => applyNavGlassAt(radius), delayMs + t * durationMs);
}
}
@ -369,14 +360,31 @@ const navBar = document.getElementById('nav-pill-bar');
navBar.addEventListener('click', () => {
const opening = !navPill.classList.contains('open');
navPill.classList.toggle('open');
// 999 = collapsed pill, 22 = expanded rounded rect (must match CSS)
animateNavGlass(opening ? 999 : 22, opening ? 22 : 999);
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');
animateNavGlass(22, 999);
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);
}
});
</script>

View file

@ -10,7 +10,7 @@ body {
}
.banner {
width: 70%;
width: 99%;
max-height: 280px;
overflow: hidden;
margin: 5px 5px 10px 5px; /* 5px on top/left/right, 10px on bottom */
@ -128,8 +128,8 @@ p {
inset 1px 1px 0 rgba(255, 255, 255, 0.45),
inset -1px -1px 0 rgba(0, 0, 0, 0.10);
overflow: hidden;
transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1),
border-radius 0.3s cubic-bezier(0.4, 0, 0.2, 1);
transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1),
border-radius 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
/* ── Pill expands and corners soften when open ── */
@ -137,7 +137,7 @@ p {
border-radius: 22px;
width: 200px;
}
/* ── The always-visible top bar: logo + chevron ── */
.nav-pill-bar {
display: flex;
@ -148,14 +148,14 @@ p {
cursor: pointer;
user-select: none;
}
.nav-logo {
font-size: 14px;
font-weight: 400;
color: rgba(255, 255, 255, 0.88);
letter-spacing: 0.06em;
}
/* ── Chevron rotates 180° when open ── */
.nav-chevron {
width: 16px;
@ -163,45 +163,56 @@ p {
flex-shrink: 0;
transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-pill.open .nav-chevron {
transform: rotate(180deg);
}
/* ── Dropdown — hidden by default, slides down when open ── */
.nav-dropdown {
max-height: 0;
opacity: 0;
overflow: hidden;
transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1),
opacity 0.2s ease;
/* Opening: wait for width to finish first, then drop down */
transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1) 0.22s,
opacity 0.25s ease 0.22s;
}
.nav-pill.open .nav-dropdown {
max-height: 300px;
opacity: 1;
}
/* Closing: dropdown collapses immediately (no delay), width waits after */
.nav-pill:not(.open) .nav-dropdown {
transition: max-height 0.2s cubic-bezier(0.4, 0, 0.2, 1),
opacity 0.15s ease;
}
/* Width/radius collapse waits for dropdown to finish */
.nav-pill:not(.open) {
transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1) 0.2s,
border-radius 0.25s cubic-bezier(0.4, 0, 0.2, 1) 0.2s;
}
.nav-divider {
height: 1px;
background: rgba(255, 255, 255, 0.12);
margin: 0 14px;
}
.nav-link {
display: block;
padding: 11px 18px;
font-size: 14px;
font-weight: 300;
text-align: center;
color: rgba(2, 2, 5, 1);
color: rgba(255, 255, 255, 0.70);
text-decoration: none;
transition: color 0.15s ease,
background 0.15s ease;
}
.nav-link:hover {
color: rgba(255, 255, 255, 0.95);
background: rgba(255, 255, 255, 0.06);
}
}