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Fixes #26, Clamped UVs of getRGBA

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Lucas Dower 2022-02-24 23:25:49 +00:00
parent 2b9caa06cb
commit 5d080d6dc7
1 changed files with 6 additions and 2 deletions
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8
src/texture.ts
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@ -1,6 +1,7 @@
import * as fs from 'fs';
import * as jpeg from 'jpeg-js';
import { PNG } from 'pngjs';
import { clamp } from './math';
import { UV, RGBA } from './util';
/* eslint-disable */
@ -36,8 +37,11 @@ export class Texture {
getRGBA(uv: UV): RGBA {
uv.v = 1 - uv.v;
const x = Math.floor(uv.u * this._image.width);
const y = Math.floor(uv.v * this._image.height);
let x = Math.floor(uv.u * this._image.width);
let y = Math.floor(uv.v * this._image.height);
x = clamp(x, 0, this._image.width - 1);
y = clamp(y, 0, this._image.height - 1);
const index = 4 * (this._image.width * y + x);
const rgba = this._image.data.slice(index, index + 4);