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perf: remove unnecssary Math.sqrt for comparision in findClosestColorIndex

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This commit is contained in:
CrazyboyQCD 2025-09-01 11:52:52 +08:00
parent b8769ff619
commit c4c7649c82
1 changed files with 2 additions and 3 deletions
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5
src/core/overlay.ts
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@ -42,11 +42,10 @@ function findClosestColorIndex(r: number, g: number, b: number) {
let index = 0; let index = 0;
for (let i = 0; i < ALL_COLORS.length; i++) { for (let i = 0; i < ALL_COLORS.length; i++) {
const color = ALL_COLORS[i]; const color = ALL_COLORS[i];
const distance = Math.sqrt( const distance =
Math.pow(r - color[0], 2) + Math.pow(r - color[0], 2) +
Math.pow(g - color[1], 2) + Math.pow(g - color[1], 2) +
Math.pow(b - color[2], 2) Math.pow(b - color[2], 2);
);
if (distance < minDistance) { if (distance < minDistance) {
minDistance = distance; minDistance = distance;
index = i; index = i;