IntersectRayFatTriangle

inline bool IntersectRayFatTriangle(

const Vec3 &p,

const Vec3 &dir,

const Vec3 &a,

const Vec3 &b,

const Vec3 &c,

float thickness,

float threshold,

float maxT,

float &t,

float &u,

float &v,

float &w,

Vec3 *normal,

)