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import { useMemo } from '@wordpress/element'; |
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import { colord } from 'colord'; |
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import { motion, useReducedMotion, useTime, useTransform } from 'framer-motion'; |
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|
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export const MovingGradient = () => { |
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const time = useTime(); |
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const shouldReduceMotion = useReducedMotion(); |
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|
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const bannerMain = useMemo(() => { |
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return getComputedStyle(document.documentElement) |
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.getPropertyValue('--ext-banner-main') |
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.trim(); |
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}, []); |
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|
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const bannerMainWashed = useMemo(() => { |
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return colord(bannerMain) |
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.desaturate(0.3) |
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.lighten(0.4) |
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.alpha(0.25) |
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.toRgbString(); |
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}, [bannerMain]); |
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|
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const isLight = useMemo(() => colord(bannerMain).isLight(), [bannerMain]); |
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|
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const designMain = useMemo(() => { |
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return getComputedStyle(document.documentElement) |
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.getPropertyValue('--ext-design-main') |
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.trim(); |
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}, []); |
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|
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const mainColorLike = useMemo(() => { |
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return colord(designMain).desaturate(0.3).alpha(0.25).toRgbString(); |
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}, [designMain]); |
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|
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// stable per-mount random start, 0..1 |
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const phase = useMemo(() => Math.random(), []); |
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const t = useTransform(time, (ms) => (ms / 24000 + phase) % 1); |
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|
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const x = useTransform(t, (v) => Math.sin(v * Math.PI * 2) * 180); |
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const y = useTransform(t, (v) => Math.cos(v * Math.PI * 2) * 180); |
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|
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if (shouldReduceMotion) return null; |
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|
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if (isLight) { |
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return ( |
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<motion.div |
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style={{ |
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background: `radial-gradient(circle at center, ${mainColorLike}, transparent 40%)`, |
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x, |
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y, |
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}} |
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className="pointer-events-none absolute inset-0 h-full w-full scale-200" |
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/> |
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); |
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} |
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|
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return ( |
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<motion.div |
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style={{ |
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background: `radial-gradient(circle at center, ${bannerMainWashed}, transparent 40%)`, |
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x, |
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y, |
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}} |
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className="pointer-events-none absolute inset-0 h-full w-full scale-200" |
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/> |
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); |
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}; |
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|
