import { useEffect , useRef } from 'react' ; import { addEffect } from '@react-three/fiber' ; import { maxBoost , mutation } from '../../store' ; const criticalLevel = 30 ; const warningLevel = 60 ; const getBlink = ( ) => mutation . boost <= criticalLevel ; const getColor = ( ) => ( mutation . boost > warningLevel ? '#00FF00' : mutation . boost > criticalLevel ? '#FFE600' : '#FF0000' ) ; const getLength = ( ) => `${ ( 100 * ( 1 - mutation . boost / maxBoost ) ) . toFixed ( ) }%` ; export const Boost = ( ) => { const ref = useRef < SVGPathElement > ( null ) ; let blink = getBlink ( ) ; let stroke = getColor ( ) ; let strokeDashoffset = getLength ( ) ; useEffect ( ( ) => addEffect ( ( ) => { if ( ! ref . current ) return ; blink = getBlink ( ) ; if ( ref . current . classList . contains ( 'blink' ) !== blink ) { ref . current . classList . toggle ( 'blink' , blink ) ; } stroke = getColor ( ) ; if ( ref . current . style . stroke !== stroke ) { ref . current . style . stroke = stroke ; } strokeDashoffset = getLength ( ) ; if ( ref . current . style . strokeDashoffset !== strokeDashoffset ) { ref . current . style . strokeDashoffset = strokeDashoffset ; } } ) ) ; return ( < div className = "boost-bar" > < svg width = { 289 } height = { 55 } viewBox = "0 0 289 55" xmlns = "http://www.w3.org/2000/svg" > < path className = "boost-bg-path" d = "M13,12 L200,12" / > < path className = "boost-path" d = "M15,12 L198,12" ref = { ref } style = { { stroke , strokeDashoffset } } /> < text className = "boost-text" x = "0" y = "17px" > < tspan > N < /tspan> < /text> < /svg> < /div>); } ;