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Physical Material Database example update #694

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Sep 30, 2025
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Physical Material Database example update #694

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14 changes: 10 additions & 4 deletions example/materialDatabase.js
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Original file line number Diff line number Diff line change
Expand Up @@ -126,7 +126,7 @@ function applyMaterialInfo( info, material ) {
// defaults
material.color.set( 0xffffff );
material.transmission = 0.0;
material.attenuationDistance = Infinity;
material.attenuationDistance = 1;
material.attenuationColor.set( 0xffffff );
material.specularColor.set( 0xffffff );
material.metalness = 0.0;
Expand Down Expand Up @@ -159,9 +159,15 @@ function applyMaterialInfo( info, material ) {

}

// Blender uses 1 / density when exporting volume transmission which doesn't look
// exactly right. But because the scene is 1000x in size we multiply by 1000 here.
material.attenuationDistance = 1000 / info.density;
if ( info.transmissionDepth ) {

material.attenuationDistance = info.transmissionDepth;

} else {

material.attenuationDistance = 1;

}

} else {

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