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