var twoSidedLightingPS = "\nuniform float twoSidedLightingNegScaleFactor;\nvoid handleTwoSidedLighting() {\n dTBN[2] *= gl_FrontFacing ? twoSidedLightingNegScaleFactor : -twoSidedLightingNegScaleFactor;\n}\n";
export { twoSidedLightingPS as default };