0031682: Visualization - Prs3d_ShadingAspect::SetTransparency() has no effect with...

[occt.git] / src / Prs3d / Prs3d_ShadingAspect.cxx

diff --git a/src/Prs3d/Prs3d_ShadingAspect.cxx b/src/Prs3d/Prs3d_ShadingAspect.cxx
index 611bb8a..d139c24 100644 (file)
--- a/src/Prs3d/Prs3d_ShadingAspect.cxx
+++ b/src/Prs3d/Prs3d_ShadingAspect.cxx
@@ -144,12 +144,14 @@ void Prs3d_ShadingAspect::SetTransparency (const Standard_Real theValue,
    || theModel == Aspect_TOFM_BOTH_SIDE)
   {
     myAspect->ChangeFrontMaterial().SetTransparency (Standard_ShortReal(theValue));
+    myAspect->SetInteriorColor (Quantity_ColorRGBA (myAspect->InteriorColor(), 1.0f - Standard_ShortReal(theValue)));
   }
 
   if (theModel == Aspect_TOFM_BACK_SIDE
    || theModel == Aspect_TOFM_BOTH_SIDE)
   {
     myAspect->ChangeBackMaterial().SetTransparency (Standard_ShortReal(theValue));
+    myAspect->SetBackInteriorColor (Quantity_ColorRGBA (myAspect->BackInteriorColor(), 1.0f - Standard_ShortReal(theValue)));
   }
 }