From debc58a0b0d7c65ed51b8e9c49e4c77c634a7100 Mon Sep 17 00:00:00 2001
From: 0b5vr <0b5vr@0b5vr.com>
Date: Fri, 16 Jan 2026 17:21:58 +0900
Subject: [PATCH 1/2] feat: support `/nodes/{}/weights/{}` - control individual
 morph weights

See: https://github.com/KhronosGroup/glTF/blob/main/specification/2.0/ObjectModel.adoc#4-core-pointers
---
 src/GLTFLoaderAnimationPointer.js | 40 ++++++++++++++++++-------------
 1 file changed, 23 insertions(+), 17 deletions(-)

diff --git a/src/GLTFLoaderAnimationPointer.js b/src/GLTFLoaderAnimationPointer.js
index 56a9f64..735c51d 100644
--- a/src/GLTFLoaderAnimationPointer.js
+++ b/src/GLTFLoaderAnimationPointer.js
@@ -247,23 +247,29 @@ export class GLTFAnimationPointerExtension {
 					const pathStartNode = path.substring( 0, pathIndexNode );
 					targetProperty = path.substring( pathIndexNode );
 
-					switch ( targetProperty ) {
-
-						case 'translation':
-							targetProperty = 'position';
-							break;
-						case 'rotation':
-							targetProperty = 'quaternion';
-							break;
-						case 'scale':
-							targetProperty = 'scale';
-							break;
-						case 'weights':
-							targetProperty = 'morphTargetInfluences';
-							break;
-						case "extensions/KHR_node_visibility/visible":
-							targetProperty = 'visible';
-							break;
+					if ( targetProperty.startsWith( 'weights/' ) ) {
+						// `/nodes/{}/weights/{}` - control individual morph weights
+						const weightIndex = targetProperty.substring( 'weights/'.length );
+						targetProperty = 'morphTargetInfluences[' + weightIndex + ']';
+					} else {
+						switch ( targetProperty ) {
+
+							case 'translation':
+								targetProperty = 'position';
+								break;
+							case 'rotation':
+								targetProperty = 'quaternion';
+								break;
+							case 'scale':
+								targetProperty = 'scale';
+								break;
+							case 'weights':
+								targetProperty = 'morphTargetInfluences';
+								break;
+							case "extensions/KHR_node_visibility/visible":
+								targetProperty = 'visible';
+								break;
+						}
 					}
 
 					path = pathStartNode + targetProperty;

From acec2bc1c562089d85161a976eb35b73b5e7c3c0 Mon Sep 17 00:00:00 2001
From: 0b5vr <0b5vr@0b5vr.com>
Date: Fri, 16 Jan 2026 17:44:05 +0900
Subject: [PATCH 2/2] feat: support `/nodes/{}/weights/{}` even with
 multi-material meshes (primitives)

Utilized the existing code of the weights of multi-material meshes
---
 src/GLTFLoaderAnimationPointer.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/GLTFLoaderAnimationPointer.js b/src/GLTFLoaderAnimationPointer.js
index 735c51d..aee5ded 100644
--- a/src/GLTFLoaderAnimationPointer.js
+++ b/src/GLTFLoaderAnimationPointer.js
@@ -391,8 +391,11 @@ export class GLTFAnimationPointerExtension {
 
 		// specially handle the morphTargetInfluences property for multi-material meshes
 		// in which case the target object is a Group and the children are the actual targets
+		// Note that there is also morphTargetInfluences[i] for individual morph targets
 		// see NE-3311
-		if ( parts[ 3 ] === 'morphTargetInfluences' ) {
+		if ( parts[ 3 ].startsWith( 'morphTargetInfluences' ) ) {
+
+			const property = parts[ 3 ];
 
 			if ( node.type === 'Group' ) {
 
@@ -405,7 +408,7 @@ export class GLTFAnimationPointerExtension {
 					if ( ch instanceof SkinnedMesh && ch.morphTargetInfluences ) {
 
 						parts[ 3 ] = ch.name;
-						parts[ 4 ] = 'morphTargetInfluences';
+						parts[ 4 ] = property;
 						__createTrack( this.parser );
 
 					}