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Add memoization to useBackground

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Xevion
2022-11-25 00:16:38 -06:00
parent df4193e94c
commit e6d30c291b
1 changed files with 23 additions and 21 deletions
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44
src/useBackground.tsx
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@@ -47,27 +47,29 @@ const useBackground = ({
setBackground(generateBackground());
};
const svgWidth = Math.ceil((width ?? 1920) * ratio);
const svgHeight = Math.ceil((height ?? 1080) * ratio);
const noise = (
<svg
viewBox={`0 0 ${svgWidth} ${svgHeight}`}
xmlns="http://www.w3.org/2000/svg"
>
<filter id="noiseFilter">
<feTurbulence
type="fractalNoise"
baseFrequency="2.1"
numOctaves="2"
seed={chance.natural()}
stitchTiles="stitch"
/>
</filter>
<g opacity={0.9}>
<rect width="100%" height="100%" filter="url(#noiseFilter)" />
</g>
</svg>
);
const noise = useMemo(() => {
const svgWidth = Math.ceil((width ?? 1920) * ratio);
const svgHeight = Math.ceil((height ?? 1080) * ratio);
return (
<svg
viewBox={`0 0 ${svgWidth} ${svgHeight}`}
xmlns="http://www.w3.org/2000/svg"
>
<filter id="noiseFilter">
<feTurbulence
type="fractalNoise"
baseFrequency="2.1"
numOctaves="2"
seed={chance.natural()}
stitchTiles="stitch"
/>
</filter>
<g opacity={0.9}>
<rect width="100%" height="100%" filter="url(#noiseFilter)" />
</g>
</svg>
);
}, [width, height, ratio]);
return {
regenerate,