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photo-studio backdrop (dark floor, bright horizon), which reads as metal. * Softness blurs that horizon, turning mirror chrome into brushed satin. * * Every piece on the page shares one WebGL context: it draws each piece in * turn and copies the frame into that piece's own canvas. Browsers cap live * contexts at about 16, so this keeps any number of pieces running. */ const VERTEX = ` attribute vec2 position; varying vec2 vUv; void main() { vUv = position * 0.5 + 0.5; gl_Position = vec4(position, 0.0, 1.0); }` const FRAGMENT = ` precision highp float; varying vec2 vUv; uniform vec2 uResolution; uniform float uTime; uniform vec3 uTint; uniform float uBrightness; uniform float uScale; uniform float uSoftness; uniform float uSilk; // round ripples, like a pool of mercury float liquid(vec2 p, float t) { vec2 q = p; q += 0.55 * vec2(sin(q.y * 1.3 + t * 1.1), sin(q.x * 1.1 - t * 0.9)); q += 0.28 * vec2(sin(q.y * 2.3 - t * 0.7), sin(q.x * 2.1 + t * 1.3)); return 0.5 * sin(q.x * 1.4 + t * 0.4) + 0.5 * sin(q.y * 1.7 - t * 0.3); } // long diagonal folds, like draped silk float silk(vec2 p, float t) { vec2 d = normalize(vec2(1.0, 0.55)); float u = dot(p, d); float v = dot(p, vec2(-d.y, d.x)); float w = u + 0.45 * sin(v * 0.9 + t * 0.8) + 0.2 * sin(v * 2.1 - t * 0.6); return 0.65 * sin(w * 1.7 + t * 0.35) + 0.35 * sin(w * 3.1 - v * 0.4 - t * 0.25); } float height(vec2 p, float t) { return mix(liquid(p, t), silk(p, t), uSilk); } float studio(float y, float soft) { float edge = mix(0.03, 0.5, soft); float ground = 0.05 + 0.12 * smoothstep(-1.2, -0.15, y); float sky = 0.5 + 0.42 * smoothstep(0.05, 1.0, y); float v = mix(ground, sky, smoothstep(-edge, edge, y)); v += mix(0.75, 0.28, soft) * exp(-pow((y - 0.03) * mix(26.0, 3.0, soft), 2.0)); v += 0.2 * exp(-pow((y - 0.6) * 8.0, 2.0)); return v; } void main() { vec2 p = (vUv - 0.5) * vec2(uResolution.x / uResolution.y, 1.0) * 2.2 * uScale; float t = uTime * 0.25; float e = 0.01; float h = height(p, t); float dx = (height(p + vec2(e, 0.0), t) - h) / e; float dy = (height(p + vec2(0.0, e), t) - h) / e; float k = mix(0.8, 0.32, uSoftness); vec3 n = normalize(vec3(-dx * k, -dy * k, 1.0)); vec3 r = reflect(vec3(0.0, 0.0, -1.0), n); float y = r.y * 1.1 + p.y * 0.12 + 0.12 + uBrightness; float v = studio(y, uSoftness) + mix(0.3, 0.12, uSoftness) * pow(max(r.x, 0.0), 5.0); vec3 color = vec3(v); color = mix(color, color * uTint, 0.4 * smoothstep(0.35, 1.0, v)); gl_FragColor = vec4(color, 1.0); }` // shown before the first frame, and wherever WebGL isn't available const CHROME_FALLBACK = "conic-gradient(from 200deg at 35% 45%, #18181b, #e9e2da 14%, #2a2a2e 27%, #a29c95 41%, #141416 55%, #f3ece4 69%, #38383c 83%, #18181b)" const SATIN_FALLBACK = "linear-gradient(155deg, #2a2a2e, #8d8984 40%, #d6d1cb 52%, #5a5a5e 75%, #1c1c1f)" type Settings = { speed: number tint: [number, number, number] brightness: number scale: number softness: number silk: number maxAspect: number still: boolean } type Piece = { canvas: HTMLCanvasElement context: CanvasRenderingContext2D settings: Settings start: number visible: boolean painted: boolean } type Renderer = { canvas: HTMLCanvasElement gl: WebGLRenderingContext uniforms: Record } const pieces = new Set() let renderer: Renderer | null = null let unavailable = false let frame = 0 function createRenderer(): Renderer | null { const canvas = document.createElement("canvas") const gl = canvas.getContext("webgl", { antialias: false, alpha: false }) if (!gl) return null const compile = (type: number, source: string) => { const shader = gl.createShader(type)! gl.shaderSource(shader, source) gl.compileShader(shader) return shader } const program = gl.createProgram()! gl.attachShader(program, compile(gl.VERTEX_SHADER, VERTEX)) gl.attachShader(program, compile(gl.FRAGMENT_SHADER, FRAGMENT)) gl.linkProgram(program) if (!gl.getProgramParameter(program, gl.LINK_STATUS)) return null gl.useProgram(program) // one triangle that covers the whole viewport gl.bindBuffer(gl.ARRAY_BUFFER, gl.createBuffer()) gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([-1, -1, 3, -1, -1, 3]), gl.STATIC_DRAW) const position = gl.getAttribLocation(program, "position") gl.enableVertexAttribArray(position) gl.vertexAttribPointer(position, 2, gl.FLOAT, false, 0, 0) const names = ["uResolution", "uTime", "uTint", "uBrightness", "uScale", "uSoftness", "uSilk"] const uniforms = Object.fromEntries(names.map((name) => [name, gl.getUniformLocation(program, name)])) canvas.addEventListener("webglcontextlost", (event) => { event.preventDefault() cancelAnimationFrame(frame) frame = 0 renderer = null for (const piece of pieces) { piece.painted = false piece.canvas.style.opacity = "0" } // build a fresh context once the browser has recovered window.setTimeout(wake, 1000) }) return { canvas, gl, uniforms } } function paint(piece: Piece, now: number) { const { canvas, gl, uniforms } = renderer! const { width, height } = piece.canvas // the shared canvas only grows, and each piece draws into its bottom-left corner if (canvas.width < width || canvas.height < height) { canvas.width = Math.max(canvas.width, width) canvas.height = Math.max(canvas.height, height) } const s = piece.settings gl.viewport(0, 0, width, height) gl.uniform2f(uniforms.uResolution, width, height) // under reduced motion, hold one pleasing frame gl.uniform1f(uniforms.uTime, s.still ? 3 : ((now - piece.start) / 1000) * s.speed + 3) gl.uniform3f(uniforms.uTint, ...s.tint) gl.uniform1f(uniforms.uBrightness, s.brightness) // past maxAspect, ripples stretch across wide shapes instead of repeating const aspect = width / height gl.uniform1f(uniforms.uScale, s.maxAspect && aspect > s.maxAspect ? (s.scale * s.maxAspect) / aspect : s.scale) gl.uniform1f(uniforms.uSoftness, s.softness) gl.uniform1f(uniforms.uSilk, s.silk) gl.drawArrays(gl.TRIANGLES, 0, 3) piece.context.drawImage(canvas, 0, canvas.height - height, width, height, 0, 0, width, height) piece.painted = true piece.canvas.style.opacity = "1" } function tick(now: number) { frame = 0 if (!renderer) return let moving = false for (const piece of pieces) { if (!piece.visible || piece.canvas.width < 2) continue if (piece.settings.still && piece.painted) continue paint(piece, now) if (!piece.settings.still) moving = true } if (moving) frame = requestAnimationFrame(tick) } function wake() { if (frame || unavailable) return if (!renderer) { renderer = createRenderer() if (!renderer) { unavailable = true return } } frame = requestAnimationFrame(tick) } type LiquidMetalProps = React.ComponentProps<"div"> & { /** 1 is a slow drift */ speed?: number /** warms or cools the highlights, as r, g, b from 0 to 1 */ tint?: [number, number, number] /** 0.5 renders at half resolution, plenty for thin rims */ quality?: number /** shifts the reflection toward the bright sky; 0.8 is mostly silver */ brightness?: number /** below 1 makes the ripples broader, good for small or wide shapes */ scale?: number /** 0 is mirror chrome, 1 is soft brushed satin */ softness?: number /** "silk" lays the ripples out as long diagonal folds */ pattern?: "liquid" | "silk" /** wider than this width-to-height ratio, ripples stretch instead of repeating */ maxAspect?: number } function LiquidMetal({ speed = 1, tint = [1, 0.82, 0.66], quality = 1, brightness = 0, scale = 1, softness = 0, pattern = "liquid", maxAspect = 0, className, style, ...props }: LiquidMetalProps) { const reduceMotion = useReducedMotion() const rootRef = React.useRef(null) const [r, g, b] = tint React.useEffect(() => { const root = rootRef.current if (!root) return const canvas = document.createElement("canvas") canvas.className = "absolute inset-0 size-full opacity-0 transition-opacity duration-300" const context = canvas.getContext("2d", { alpha: false }) if (!context) return root.appendChild(canvas) const piece: Piece = { canvas, context, settings: { speed, tint: [r, g, b], brightness, scale, softness, silk: pattern === "silk" ? 1 : 0, maxAspect, still: !!reduceMotion, }, start: performance.now(), visible: false, painted: false, } pieces.add(piece) const visibility = new IntersectionObserver(([entry]) => { piece.visible = entry.isIntersecting if (piece.visible) wake() }) visibility.observe(canvas) const sizing = new ResizeObserver(() => { const ratio = Math.min(window.devicePixelRatio || 1, 2) * quality canvas.width = Math.max(1, Math.round(canvas.clientWidth * ratio)) canvas.height = Math.max(1, Math.round(canvas.clientHeight * ratio)) // resizing clears the canvas, so paint again piece.painted = false wake() }) sizing.observe(canvas) return () => { visibility.disconnect() sizing.disconnect() pieces.delete(piece) canvas.remove() } }, [b, brightness, g, maxAspect, pattern, quality, r, reduceMotion, scale, softness, speed]) return (

= 0.5 ? SATIN_FALLBACK : CHROME_FALLBACK, ...style }} {...props} /> ) } type MetalRimProps = Omit, "children"> & { /** thickness of the ring in px */ width?: number brightness?: number quality?: number } /* * A hairline of chrome around its parent (give the parent a radius and * position). A steady edge, lit from above, sits under the moving metal; the * metal is screen-blended on top, so its dark patches never break the ring. */ function MetalRim({ width = 1, brightness = 0.35, quality = 0.6, className, style, ...props }: MetalRimProps) { return ( ) } export { LiquidMetal, MetalRim, type LiquidMetalProps, type MetalRimProps } 75:T705,import type { CSSProperties } from "react" import type { TargetAndTransition, Transition } from "motion/react" // shared spring presets, every component picks from these export const springs = { snappy: { stiffness: 520, damping: 34, mass: 0.6 }, soft: { stiffness: 260, damping: 26, mass: 0.8 }, glide: { stiffness: 120, damping: 20, mass: 1 }, } as const export type SpringName = keyof typeof springs export function spring(name: SpringName): Transition { return { type: "spring", ...springs[name] } } // how a glow fades once its source moves away: slow, with a long tail export const afterglow = { linger: 0.9, ease: [0.22, 1, 0.36, 1], } as const satisfies { linger: number; ease: Transition["ease"] } // paints only the padding ring of an element, used for glowing borders export const ringMask: CSSProperties = { WebkitMask: "linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0)", WebkitMaskComposite: "xor", mask: "linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0)", maskComposite: "exclude", } // small icon gestures, played when a control is pressed or selected export const iconGestures = { pop: { scale: [1, 1.2, 1] }, ring: { rotate: [0, -18, 14, -9, 4, 0], scale: [1, 1.12, 1] }, // a gear looks the same after half a turn, so it can rest there and snap back unseen turn: { rotate: [0, 180], scale: [1, 1.12, 1] }, hop: { y: [0, -3, 0], scale: [1, 1.1, 1] }, nudge: { x: [0, 2.5, 0], scale: [1, 1.1, 1] }, } satisfies Record export type IconGesture = keyof typeof iconGestures // leaving a gesture is instant: every gesture already ends at, or looks like, its resting pose export const iconRest: TargetAndTransition = { scale: 1, rotate: 0, x: 0, y: 0, transition: { duration: 0 } } 66:["$","$L73",null,{"files":[{"path":"components/ui/metal-card.tsx","content":"import * as React from \"react\"\n\nimport { MetalRim } from \"@/components/ui/liquid-metal\"\nimport { cn } from \"@/lib/utils\"\n\ntype MetalCardProps = React.ComponentProps<\"div\"> & {\n /** thickness of the metal frame in px */\n frame?: number\n}\n\n// a dark card edged in a hairline of flowing chrome\nfunction MetalCard({ frame = 1, className, children, ...props }: MetalCardProps) {\n return (\n \n \n {children}\n

\n )\n}\n\nexport { MetalCard, type MetalCardProps }\n","type":"registry:ui"},{"path":"components/ui/liquid-metal.tsx","content":"$74","type":"registry:ui"},{"path":"lib/afterglow.ts","content":"$75","type":"registry:lib"}],"className":"h-[70svh] min-h-80"}]