clone node associations in GLTFLoader (mrdoob#31051)

nkrajina · RuthySheffi · commit 76b20a390814 · 2025-06-05T11:52:47.000+03:00
diff --git a/examples/jsm/loaders/GLTFLoader.js b/examples/jsm/loaders/GLTFLoader.js
@@ -4451,6 +4451,11 @@ class GLTFParser {
 
 				parser.associations.set( node, {} );
 
+			} else if ( nodeDef.mesh !== undefined && parser.meshCache.refs[ nodeDef.mesh ] > 1 ) {
+
+				const mapping = parser.associations.get( node );
+				parser.associations.set( node, { ...mapping } );
+
 			}
 
 			parser.associations.get( node ).nodes = nodeIndex;

Original file line number	Diff line number	Diff line change
`@@ -4451,6 +4451,11 @@ class GLTFParser {`
`4451`	`4451`
`4452`	`4452`	`parser.associations.set( node, {} );`
`4453`	`4453`
	`4454`	`+ } else if ( nodeDef.mesh !== undefined && parser.meshCache.refs[ nodeDef.mesh ] > 1 ) {`
	`4455`	`+`
	`4456`	`+ const mapping = parser.associations.get( node );`
	`4457`	`+ parser.associations.set( node, { ...mapping } );`
	`4458`	`+`
`4454`	`4459`	`}`
`4455`	`4460`
`4456`	`4461`	`parser.associations.get( node ).nodes = nodeIndex;`