Merge pull request #1802 from MackeyK24/master

Master

Exporters/3ds Max/BabylonExport.Entities/BabylonPBRMaterial.cs

@@ -152,6 +152,9 @@ namespace BabylonExport.Entities
         public bool useRadianceOverAlpha { get; set; }
 
         [DataMember]
+        public bool usePhysicalLightFalloff { get; set; }
+
+        [DataMember]
         public float indexOfRefraction { get; set; }
 
         [DataMember]
@@ -179,6 +182,7 @@ namespace BabylonExport.Entities
             indexOfRefraction = 0.66f;
             useRadianceOverAlpha = true;
             useSpecularOverAlpha = true;
+            usePhysicalLightFalloff = true;
             useEmissiveAsIllumination = false;
 
             // Default Null Metallic Workflow