pixi.js/lib/scene/sprite-tiling/utils/setUvs.js

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'use strict';

var Matrix = require('../../../maths/matrix/Matrix.js');
var applyMatrix = require('./applyMatrix.js');

"use strict";
function setUvs(tilingSprite, uvs) {
  const texture = tilingSprite.texture;
  const width = texture.frame.width;
  const height = texture.frame.height;
  let anchorX = 0;
  let anchorY = 0;
  if (tilingSprite.applyAnchorToTexture) {
    anchorX = tilingSprite.anchor.x;
    anchorY = tilingSprite.anchor.y;
  }
  uvs[0] = uvs[6] = -anchorX;
  uvs[2] = uvs[4] = 1 - anchorX;
  uvs[1] = uvs[3] = -anchorY;
  uvs[5] = uvs[7] = 1 - anchorY;
  const textureMatrix = Matrix.Matrix.shared;
  textureMatrix.copyFrom(tilingSprite._tileTransform.matrix);
  textureMatrix.tx /= tilingSprite.width;
  textureMatrix.ty /= tilingSprite.height;
  textureMatrix.invert();
  textureMatrix.scale(tilingSprite.width / width, tilingSprite.height / height);
  applyMatrix.applyMatrix(uvs, 2, 0, textureMatrix);
}

exports.setUvs = setUvs;
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