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The amount of reflected light is output through
kr, and the amount of transmitted light is output through
kt. The normalized reflection and transmission vectors are output through
The global variables
I will be used if the surface normal and incident vector inputs are not connected. If connected, the
I vectors must be normalized.
When off, disabled any fresnel term computation. In that case, both
Simulates an object with a thickness of
0, where light that hits the material immediately refracts or reflects out. The transmission vector
T will not deviate from the indicident ray
Perform the physically correct fresnel computation.
Use Connected 'fresnel'
Use the value of the
fresnel input as
The refractive index of the surface material.
The refractive index of the material surrounding the surface, usually
1.0 for air.
The surface normal. When not connected, the global variable
N is used.
The incident vector. When not connected, the global variable
I is used.