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@@ -1196,7 +1196,7 @@ export class _Exporter {
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let sideOrientation = babylonMaterial.sideOrientation;
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// Only reverse the winding if we have a clockwise winding in a positive worldspace
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- if (sideOrientation === Material.ClockWiseSideOrientation && babylonTransformNode._getWorldMatrixDeterminant() > 0) {
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+ if (sideOrientation === Material.ClockWiseSideOrientation && babylonTransformNode.getWorldMatrix().determinant() > 0) {
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let byteOffset = indexBufferViewIndex != null ? this._bufferViews[indexBufferViewIndex].byteOffset : null;
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if (byteOffset == null) { byteOffset = 0; }
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let babylonIndices: Nullable<IndicesArray> = null;
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