Searched refs:_m (Results 1 – 2 of 2) sorted by relevance
24 float r_fresnel(float _c, float _m = 5.f, float _r0 = 1.f, float _r1 = 0.04f);
185 float r_fresnel(float _c, float _m, float _r0, float _r1 ) in r_fresnel() argument188 return _r1 + (_r0 - _r1) * pow(1.f - _c, _m) ; in r_fresnel()