Physically Based Shading (PBS) 3d . , .
(, ..) -, PBS . , 3d , , .
, - ? , .
Diffuse
Diffuse , , . PBS , , . PBS , ( ), .
Normal
. : , , .. , , .
: (High-Poly) (Low-Poly) , High-Poly Low-Poly . .
Heightmap
, , - . , 3d , .
Specular
. , , . , , - . , , , .
Ambient Occlusion
3d , . .
, . : Diffuse, Normal Specular. .