Variable getVolumeMultiToSingleScatterConst
getVolumeMultiToSingleScatter: "\nfn getVolumeMultiToSingleScatter(multiscatterColor: vec3f) -> vec3f {\n let s: vec3f = 4.09712 + 4.20863 * multiscatterColor - sqrt(9.59217 + 41.6808 * multiscatterColor + 17.7126 * multiscatterColor * multiscatterColor);\n return 1.0 - s * s;\n}\n" = ...
WGSL function to calculate volume scattering.