pixi.js
Version:
PixiJS — The HTML5 Creation Engine =============
23 lines (21 loc) • 632 B
JavaScript
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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;
}
export { updateWorldTransform };
//# sourceMappingURL=updateWorldTransform.mjs.map