![]() If the value is high, for example 0.9, the effect will be very subtle like it usually happens when you are trying to simulate a fabric like jersey. The sheen glossiness parameter is the one that makes your fabric more or less shiny (silky): So to simulate a velvet material for example we set the diffuse color, then we go inside the sheen option and we set the sheen color brighter than the diffuse (I normally set the sheen color 30% brighter than the diffuse as a starting point). With the sheen option, we can make everything directly from the material. ![]() Before this, we used to simulate the change in color on the side of these materials hit by the light, with the use of a fall-off map on the diffuse using 2 colors: one for the front and another one, brighter than the first one, for the side. The sheen parameter is useful when you have to simulate materials such as fabric and velvet. Let’s explore together quickly what they are all about we’ll start with the sheen parameter.
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