50:I[707087,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/1o6_421saitt-.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"RegistryDependencies"] 51:I[314491,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/1o6_421saitt-.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"FilesView"] 52:T330f,import React, { useEffect, useRef, useState, useMemo } from 'react'; import { motion, useSpring, useTransform, useReducedMotion } from 'motion/react'; import { Users } from 'lucide-react'; import { useCanvasSetup } from '../../hooks/useCanvasSetup'; type Plan = { name: string; color: string; base: number }; const PLANS: Plan[] = [ { name: 'Unlimited', color: '#FFFFFF', base: 1240 }, { name: '30-day pass', color: '#E2E8F0', base: 980 }, { name: '10-class pack', color: '#CBD5E1', base: 620 }, { name: 'Drop-in', color: '#94A3B8', base: 410 }, { name: 'Student', color: '#64748B', base: 300 }, ]; type Period = { name: string; mult: number }; const PERIODS: Period[] = [ { name: 'Week', mult: 0.42 }, { name: 'Month', mult: 1 }, { name: 'Quarter', mult: 2.6 }, { name: 'Year', mult: 8.4 }, ]; const smoothstep = (min: number, max: number, value: number) => { const x = Math.max(0, Math.min(1, (value - min) / (max - min))); return x * x * (3 - 2 * x); }; const hash = (x: number, y: number) => { let h = Math.sin(x * 12.9898 + y * 78.233) * 43758.5453; return h - Math.floor(h); }; const hexToRgba = (hex: string, alpha: number) => { const r = parseInt(hex.slice(1, 3), 16); const g = parseInt(hex.slice(3, 5), 16); const b = parseInt(hex.slice(5, 7), 16); return `rgba(${r}, ${g}, ${b}, ${alpha})`; }; function AnimatedNumber({ value }: { value: number }) { const prefersReducedMotion = useReducedMotion(); const spring = useSpring(value, { stiffness: 190, damping: 27, mass: 0.7 }); const display = useTransform(spring, (current) => Math.round(current).toLocaleString('en-US') ); useEffect(() => { if (prefersReducedMotion) { spring.jump(value); } else { spring.set(value); } }, [value, spring, prefersReducedMotion]); return {display}; } const drawRoundedWedge = (ctx: CanvasRenderingContext2D, cx: number, cy: number, rIn: number, rOut: number, aStart: number, aEnd: number, cr: number) => { const sweep = aEnd - aStart; const maxCr = Math.min(cr, (rOut - rIn) / 2, (sweep * rIn) / 2); if (sweep <= 0.001) return; const crIn = maxCr; const crOut = maxCr; const aStartIn = aStart + crIn / rIn; const aEndIn = aEnd - crIn / rIn; const aStartOut = aStart + crOut / rOut; const aEndOut = aEnd - crOut / rOut; ctx.moveTo(cx + rIn * Math.cos(aStartIn), cy + rIn * Math.sin(aStartIn)); ctx.arc(cx, cy, rIn, aStartIn, aEndIn); ctx.arcTo( cx + rIn * Math.cos(aEnd), cy + rIn * Math.sin(aEnd), cx + rOut * Math.cos(aEnd), cy + rOut * Math.sin(aEnd), crIn ); ctx.arcTo( cx + rOut * Math.cos(aEnd), cy + rOut * Math.sin(aEnd), cx + rOut * Math.cos(aEndOut), cy + rOut * Math.sin(aEndOut), crOut ); ctx.arc(cx, cy, rOut, aEndOut, aStartOut, true); ctx.arcTo( cx + rOut * Math.cos(aStart), cy + rOut * Math.sin(aStart), cx + rIn * Math.cos(aStart), cy + rIn * Math.sin(aStart), crOut ); ctx.arcTo( cx + rIn * Math.cos(aStart), cy + rIn * Math.sin(aStart), cx + rIn * Math.cos(aStartIn), cy + rIn * Math.sin(aStartIn), crIn ); }; interface DitherDonutChartProps { theme?: 'dark' | 'light'; compact?: boolean; } export function DitherDonutChart({ theme = 'dark', compact = false }: DitherDonutChartProps) { const [periodIndex, setPeriodIndex] = useState(1); // Month const [hoverIndex, setHoverIndex] = useState(null); // Use shared perf hook — no getBoundingClientRect or matchMedia per frame const { canvasRef, rect, isVisible, reducedMotion } = useCanvasSetup(); const period = PERIODS[periodIndex]; const { values, shares, total } = useMemo(() => { let newTotal = 0; const newValues = PLANS.map((plan, i) => { const w = 0.78 + 0.4 * (0.5 + 0.5 * Math.sin(i * 1.9 + periodIndex * 1.3)); const val = Math.round(plan.base * period.mult * w); newTotal += val; return val; }); const newShares = newValues.map(v => v / newTotal); return { values: newValues, shares: newShares, total: newTotal }; }, [periodIndex]); const timeRef = useRef(0); const requestRef = useRef(); const morphStartTimeRef = useRef(0); const fromSharesRef = useRef([]); const targetSharesRef = useRef([]); const dispSharesRef = useRef([]); const hoverRef = useRef(hoverIndex); useEffect(() => { hoverRef.current = hoverIndex; }, [hoverIndex]); useEffect(() => { if (dispSharesRef.current.length === 0) { dispSharesRef.current = [...shares]; fromSharesRef.current = [...shares]; targetSharesRef.current = [...shares]; } else { fromSharesRef.current = [...dispSharesRef.current]; targetSharesRef.current = [...shares]; morphStartTimeRef.current = performance.now(); } }, [shares]); useEffect(() => { const draw = () => { // Skip draw when not visible — saves CPU when off-screen or tab hidden if (!isVisible.current) { requestRef.current = requestAnimationFrame(draw); return; } const canvas = canvasRef.current; if (!canvas) return; const ctx = canvas.getContext('2d'); if (!ctx) return; // Use cached rect from ResizeObserver — no reflow const { width: logW, height: logH } = rect.current; if (logW === 0 || logH === 0) { requestRef.current = requestAnimationFrame(draw); return; } timeRef.current += reducedMotion ? 0 : 0.02; const dpr = Math.min(window.devicePixelRatio || 1, 2); const logicalSize = 200; ctx.save(); ctx.clearRect(0, 0, canvas.width, canvas.height); ctx.scale((logW * dpr) / logicalSize, (logH * dpr) / logicalSize); let t = 0; if (reducedMotion) { t = 1; } else if (morphStartTimeRef.current > 0) { t = (performance.now() - morphStartTimeRef.current) / 500; if (t > 1) t = 1; } else { t = 1; } const e = 1 - Math.pow(2, -10 * t); for (let i = 0; i < targetSharesRef.current.length; i++) { dispSharesRef.current[i] = fromSharesRef.current[i] + (targetSharesRef.current[i] - fromSharesRef.current[i]) * e; } let startAngle = -Math.PI / 2; const gap = 0.07; const currentHover = hoverRef.current; for (let i = 0; i < dispSharesRef.current.length; i++) { const share = dispSharesRef.current[i]; if (share === 0) continue; let sweep = share * Math.PI * 2; let aStart = startAngle + gap / 2; let aEnd = startAngle + sweep - gap / 2; if (aEnd < aStart) aEnd = aStart; ctx.save(); const isHovered = currentHover === i; const isAnyHovered = currentHover !== null; if (isHovered) { const mid = (aStart + aEnd) / 2; ctx.translate(Math.cos(mid) * 6, Math.sin(mid) * 6); } ctx.beginPath(); drawRoundedWedge(ctx, 100, 100, 55, 86, aStart, aEnd, 6); ctx.clip(); ctx.globalAlpha = isHovered ? 1.0 : (isAnyHovered ? 0.3 * 0.72 : 0.72); ctx.fillStyle = PLANS[i].color; if (isHovered) { ctx.shadowColor = hexToRgba(PLANS[i].color, 0.55); ctx.shadowBlur = 5; ctx.shadowOffsetX = 0; ctx.shadowOffsetY = 0; } const cell = 4.6; const t2 = timeRef.current; for (let x = 14; x <= 186; x += cell) { for (let y = 14; y <= 186; y += cell) { const dx = x - 100; const dy = y - 100; const dist = Math.sqrt(dx*dx + dy*dy); if (dist < 55 - cell || dist > 86 + cell) continue; let a = Math.atan2(dy, dx); let normalizedA = a - aStart; while (normalizedA < 0) normalizedA += Math.PI * 2; while (normalizedA >= Math.PI * 2) normalizedA -= Math.PI * 2; if (normalizedA > (aEnd - aStart)) continue; const fullness = smoothstep(0.62, 1.0, (dist - 55) / (86 - 55)); const waveRaw = reducedMotion ? 0 : Math.sin(dist * 0.1 - t2) + Math.sin(a * 3 + t2 * 1.5) + Math.sin(dx * 0.05 + dy * 0.05 + t2 * 2); const wave = smoothstep(-1.5, 1.5, waveRaw); const jitter = hash(x, y); const size = cell * ((isHovered ? 0.46 : 0.34) + 0.36 * fullness + 0.26 * wave) * (0.78 + 0.42 * jitter); ctx.fillRect(x - size/2, y - size/2, size, size); } } ctx.restore(); startAngle += sweep; } ctx.restore(); requestRef.current = requestAnimationFrame(draw); }; requestRef.current = requestAnimationFrame(draw); return () => { if (requestRef.current) cancelAnimationFrame(requestRef.current); }; }, [reducedMotion]); if (compact) { return (

); } return (

{/* Header */}

Plan Distribution

Dithered canvas chart with real-time spring physics

{/* Period Filter Tabs */}

{PERIODS.map((p, idx) => ( ))}

{/* Main Content Layout */}

{/* Canvas Donut */}

{/* Plan Breakdown List */}

{PLANS.map((plan, idx) => { const val = values[idx]; const pct = Math.round(shares[idx] * 100); const isHovered = hoverIndex === idx; return (

setHoverIndex(idx)} onMouseLeave={() => setHoverIndex(null)} className={`flex items-center justify-between p-2 rounded-xl transition-all cursor-pointer border ${ isHovered ? (theme === 'dark' ? 'bg-white/10 border-white/20' : 'bg-neutral-100 border-neutral-300') : 'border-transparent hover:bg-white/5' }`} >

{plan.name}

{val.toLocaleString()} {pct}%

); })}

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