Const envmap_pars_fragment
envmap_pars_fragment: "#ifdef USE_ENVMAP#ifndef REFLECTIVITYuniform float reflectivity;#endifuniform float refractionRatio;#endif" = `#ifdef USE_ENVMAP#ifndef REFLECTIVITYuniform float reflectivity;#endifuniform float refractionRatio;#endif`