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  3. MultiScatteringApproximationOctaveCount

MultiScatteringApproximationOctaveCount

How many octave to use for the multiple-scattering approximation.

API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/Materials > API/Runtime/Engine/Materials/UMaterialExpressionVolumetricAdv-_1

Syntax

uint32 MultiScatteringApproximationOctaveCount

Remarks

How many octave to use for the multiple-scattering approximation. This makes the shader more expensive so you should only use 0 or 1 for better performance, and tweak multiple scattering parameters accordingly. 0 means single scattering only. The maximum value is 2 (expenssive).

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