| 1 | import { useMemo } from 'react' |
| 2 | |
| 3 | function seededRandom(seed: |
| 4 | let h = |
| 5 | for (let i |
| 6 | // biome-ignore lint/suspicious/noBitwiseOperators: Needed for that cool effect |
| 7 | h = seed. |
| 8 | } |
| 9 | let s = |
| 10 | return () => |
| 11 | s = (s |
| 12 | return s / |
| 13 | } |
| 14 | } |
| 15 | |
| 16 | const W = 300 |
| 17 | const H = 80 |
| 18 | |
| 19 | export default function ProjectBanner |
| 20 | seed, |
| 21 | className = 'h-40 w-full rounded-t-xl' |
| 22 | }: { |
| 23 | seed: string |
| 24 | className?: string |
| 25 | }) { |
| 26 | const { points, |
| 27 | const rand = |
| 28 | const hue = |
| 29 | const cols = |
| 30 | const rows = |
| 31 | const spacingX = |
| 32 | const spacingY = |
| 33 | |
| 34 | const points: |
| 35 | for (let r |
| 36 | for (let c |
| 37 | points.push({ |
| 38 | x: |
| 39 | c * spacingX |
| 40 | (c > 0 |
| 41 | y: |
| 42 | r * spacingY |
| 43 | (r > 0 |
| 44 | }) |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | const triangles: |
| 49 | p1: number |
| 50 | p2: number |
| 51 | p3: number |
| 52 | opacity: number |
| 53 | }[] = |
| 54 | for (let r |
| 55 | for (let c |
| 56 | const tl = |
| 57 | const tr = |
| 58 | const bl = |
| 59 | const br = |
| 60 | triangles.push({ |
| 61 | p1: tl, |
| 62 | p2: tr, |
| 63 | p3: bl, |
| 64 | opacity: 0.05 + rand |
| 65 | }) |
| 66 | triangles.push({ |
| 67 | p1: tr, |
| 68 | p2: br, |
| 69 | p3: bl, |
| 70 | opacity: 0.05 + rand |
| 71 | }) |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | return { points, |
| 76 | }, [seed]) |
| 77 | |
| 78 | return ( |
| 79 | <svg |
| 80 | className={className} |
| 81 | preserveAspectRatio='xMidYMid slice' |
| 82 | viewBox={`0 0 ${W |
| 83 | > |
| 84 | <rect className='fill-muted/50 |
| 85 | {triangles.map(( |
| 86 | const a = |
| 87 | const b = |
| 88 | const c = |
| 89 | return ( |
| 90 | <polygon |
| 91 | fill={`hsl(${hue |
| 92 | key={i} |
| 93 | opacity={tri.opacity |
| 94 | points={`${a |
| 95 | stroke={`hsl(${hue |
| 96 | strokeWidth={0.3} |
| 97 | /> |
| 98 | ) |
| 99 | })} |
| 100 | </svg> |
| 101 | ) |
| 102 | } |