pixi.js/lib/scene/container/utils/updateWorldTransform.js

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'use strict';

"use strict";
function updateWorldTransform(local, parent, world) {
  const lta = local.a;
  const ltb = local.b;
  const ltc = local.c;
  const ltd = local.d;
  const lttx = local.tx;
  const ltty = local.ty;
  const pta = parent.a;
  const ptb = parent.b;
  const ptc = parent.c;
  const ptd = parent.d;
  world.a = lta * pta + ltb * ptc;
  world.b = lta * ptb + ltb * ptd;
  world.c = ltc * pta + ltd * ptc;
  world.d = ltc * ptb + ltd * ptd;
  world.tx = lttx * pta + ltty * ptc + parent.tx;
  world.ty = lttx * ptb + ltty * ptd + parent.ty;
}

exports.updateWorldTransform = updateWorldTransform;
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