ppfun/pixelplanet
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Code Issues 24 Pull Requests Releases 2 Activity

fix pixel color getter

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This commit is contained in:
HF 2020-05-12 01:22:41 +02:00
parent 43e79f9db5
commit b53ff19876
1 changed files with 8 additions and 6 deletions
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14
src/core/Palette.js
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@ -58,13 +58,15 @@ class Palette {
*/
getIndexOfColor(r: number, g: number, b: number): ColorIndex {
const { rgb } = this;
let i = rgb.length;
while (i >= 0) {
if (rgb[--i] === b
&& rgb[--i] === g
&& rgb[--i] === r
let i = rgb.length / 3;
while (i > 0) {
i -= 1;
const off = i * 3;
if (rgb[off] === r
&& rgb[off + 1] === g
&& rgb[off + 2] === b
) {
return (i / 3);
return i;
}
}
return null;