leaky-ships/leaky-ships/components/Homepage2.tsx
2023-01-11 21:08:40 +01:00

92 lines
No EOL
3.2 KiB
TypeScript

import classNames from 'classnames'
import { CSSProperties, useEffect, useMemo, useState } from 'react'
function Homepage2() {
const floorClient = (number: number) => Math.floor(number / 50)
const [columns, setColumns] = useState(0)
const [rows, setRows] = useState(0)
const [params, setParams] = useState({ columns, rows, quantity: columns * rows })
const [position, setPosition] = useState([0, 0])
const [active, setActve] = useState(false)
const [action, setAction] = useState(false)
const [count, setCount] = useState(0)
useEffect(() => {
function handleResize() {
setColumns(floorClient(document.body.clientWidth))
setRows(floorClient(document.body.clientHeight))
}
handleResize()
window.addEventListener('resize', handleResize)
}, [])
useEffect(() => {
const timeout = setTimeout(() => {
setParams({ columns, rows, quantity: columns * rows })
}, 500)
return () => clearTimeout(timeout)
}, [columns, rows])
const createTiles = useMemo(() => {
const sentences = [
'Ethem ...',
'hat ...',
'lange ...',
'Hörner 🐂',
'Grüße von Mallorca 🌊 🦦 ☀️'
]
function createTile(index: number) {
const x = index % params.columns
const y = Math.floor(index / params.columns)
const xDiff = (x - position[0]) / 20
const yDiff = (y - position[1]) / 20
const pos = (Math.sqrt(xDiff * xDiff + yDiff * yDiff)).toFixed(2)
const doEffect = (posX: number, posY: number) => {
if (action)
return
setPosition([posX, posY])
setActve(e => !e)
setAction(true)
const xDiff = (x: number) => (x - posX) / 50
const yDiff = (y: number) => (y - posY) / 50
const pos = (x: number, y: number) => Math.sqrt(xDiff(x) * xDiff(x) + yDiff(y) * yDiff(y))
const diagonals = [pos(0, 0), pos(params.columns, 0), pos(0, params.rows), pos(params.columns, params.rows)]
setTimeout(() => {
setAction(false)
if (active)
setCount(e => e + 1)
}, Math.max(...diagonals) * 1000 + 1000)
}
return (
<div
key={index}
className={classNames('tile', (active ? 'active' : 'inactive'))}
style={{ '--delay': pos + 's' } as CSSProperties}
onClick={() => doEffect(x, y)}
></div>
)
}
return (
<div id='tiles' style={{ '--columns': params.columns, '--rows': params.rows } as CSSProperties}>
<div className="center-div">
<h1 className={classNames('headline', (!active ? 'active' : 'inactive'))}>{sentences[count % sentences.length]}</h1>
</div>
{Array.from(Array(params.quantity)).map((_tile, index) => createTile(index))}
</div >
)
}, [params, position, active, action, count])
return createTiles
}
export default Homepage2