declare const _default: "\n\n#ifdef MAPFLOAT\nuniform float material_refraction;\n#endif\n\nvoid getRefraction() {\n    float refraction = 1.0;\n\n    #ifdef MAPFLOAT\n    refraction = material_refraction;\n    #endif\n\n    #ifdef MAPTEXTURE\n    refraction *= texture2DBias($SAMPLER, $UV, textureBias).$CH;\n    #endif\n\n    #ifdef MAPVERTEX\n    refraction *= saturate(vVertexColor.$VC);\n    #endif\n\n    dTransmission = refraction;\n}\n";
export default _default;
