Moving material into visualization loop of propagation paths to apply...

Moving material into visualization loop of propagation paths to apply different colors for different types of paths (WIP)

src/ITAGeo/SketchUp/Model.cpp

@@ -15,7 +15,7 @@
 #include <VistaTools/VistaFileSystemFile.h>
 
 
-
+#include <algorithm>
 
 // Typedefs
 typedef OpenMesh::PolyMesh_ArrayKernelT<> CITAMesh;
@@ -398,16 +398,6 @@ bool CModel::Store( const std::string& sSKPFilePath, bool bOverwite/*=true*/ ) c
 		SU_EXC( SULayerSetName( rPropLayer, sPropLayerName.c_str() ) );
 		SU_EXC( SUModelAddLayers( rModel, 1, &rPropLayer ) );
 
-		SUMaterialRef rMaterial = SU_INVALID;
-		SU_EXC( SUMaterialCreate( &rMaterial ) );
-		SUColor oSUColor;
-		oSUColor.red = SUByte( 255.0f );
-		oSUColor.green = SUByte( 0.0f );
-		oSUColor.blue = SUByte( 0.0f );
-		SU_EXC( SUMaterialSetColor( rMaterial, &oSUColor ) );
-		SUMaterialSetName( rMaterial, "ITA_Acoustics_DefaultPropagationPath" );
-		SUModelAddMaterials( rModel, 1, &rMaterial );
-
 		std::vector< SUCurveRef > vrCurves( voGeoPropPathsVisualization.size() );
 		for( size_t n = 0; n < voGeoPropPathsVisualization.size(); n++ )
 		{
@@ -415,6 +405,16 @@ bool CModel::Store( const std::string& sSKPFilePath, bool bOverwite/*=true*/ ) c
 
 			if( oPath.size() <= 1 )
 				continue;
+			
+			SUMaterialRef rMaterial = SU_INVALID;
+			SU_EXC( SUMaterialCreate( &rMaterial ) );
+			SUColor oSUColor;
+			oSUColor.red = SUByte( 255.0f ); // direktschall
+			oSUColor.green = SUByte( 0.0f ); // reflex, yellow (red+green) = diffr
+			oSUColor.blue = SUByte( 0.0f ); // late reverb
+			oSUColor.alpha = SUByte( 255.0f * ( 1.0f - min( (float) oPath.GetLength(), 1000.0f ) / 1000.0f ) ); // @todo get max first, then map from 0 to max length (10% alpha)
+			SU_EXC( SUMaterialSetColor( rMaterial, &oSUColor ) );
+			SUModelAddMaterials( rModel, 1, &rMaterial );
 
 			std::vector< SUEdgeRef > vrEdges( oPath.size() - 1 );
 			for( size_t m = 0; m < vrEdges.size(); m++ )