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Fix gradient generation to reduce hue collisions for longer usernames #53

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Fix gradient generation to reduce hue collisions for longer usernames #53

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1ce6652
Fix gradient generation to reduce hue collisions for longer usernames
AntoineKM Sep 29, 2024
1dc0c5f
Update gradient generation to preserve triad color relationship
AntoineKM Sep 30, 2024
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14 changes: 11 additions & 3 deletions utils/gradient.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -9,11 +9,19 @@ export function djb2(str: string) {
}

export function generateGradient(username: string) {
const c1 = color({ h: djb2(username) % 360, s: 0.95, l: 0.5 });
const second = c1.triad()[1].toHexString();
const hue = djb2(username) % 360;

let hash2 = 7;
for (let i = 0; i < username.length; i++) {
hash2 = hash2 * 31 + username.charCodeAt(i);
}
const hue2 = Math.abs(hash2) % 360;

const c1 = color({ h: hue, s: 0.95, l: 0.5 });
const c2 = color({ h: hue2, s: 0.95, l: 0.5 });
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return {
fromColor: c1.toHexString(),
toColor: second,
toColor: c2.toHexString(),
};
}