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#167 radiometry: shader update #339

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#167 radiometry: shader update #339

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11 changes: 8 additions & 3 deletions src/PRo3D.Base/Utilities.fs
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Original file line number Diff line number Diff line change
Expand Up @@ -568,9 +568,14 @@ module Shader =
let abB : V3d = uniform?abB
let nc = V4d(v.c.X*255.0, v.c.Y*255.0, v.c.Z*255.0, 255.0)

let red = (myTrunc (abR.X + ((nc.X * (abR.Y-abR.X)) / 255.0))) / 255.0
let green = (myTrunc (abG.X + ((nc.Y * (abG.Y-abG.X)) / 255.0))) / 255.0
let blue = (myTrunc (abB.X + ((nc.Z * (abB.Y-abB.X)) / 255.0))) / 255.0
//let red = (myTrunc (abR.X + ((nc.X * (abR.Y-abR.X)) / 255.0))) / 255.0
//let green = (myTrunc (abG.X + ((nc.Y * (abG.Y-abG.X)) / 255.0))) / 255.0
//let blue = (myTrunc (abB.X + ((nc.Z * (abB.Y-abB.X)) / 255.0))) / 255.0

let red = (myTrunc (((nc.X * 255.0) / (abR.Y-abR.X)))) / 255.0
let green = (myTrunc (((nc.Y * 255.0) / (abG.Y-abG.X)))) / 255.0
let blue = (myTrunc (((nc.Z * 255.0) / (abB.Y-abB.X)))) / 255.0

return V4d(red, green, blue, 1.0)
else
return v.c
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