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