Inverse bind matrices are optional

javagl · Aug 6, 2023 · 081ae59 · 081ae59
1 parent 2886de8
commit 081ae59
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/...el-builder/src/main/java/de/javagl/jgltf/model/creation/DefaultBufferBuilderStrategy.java b/...el-builder/src/main/java/de/javagl/jgltf/model/creation/DefaultBufferBuilderStrategy.java
@@ -205,9 +205,12 @@ public void processSkinModels(
     private void processSkinModel(SkinModel skinModel)
     {
         AccessorModel ibm = skinModel.getInverseBindMatrices();
-        bufferStructureBuilder.addAccessorModel(
-            "inverse bind matrices", (DefaultAccessorModel) ibm);
-        bufferStructureBuilder.createBufferViewModel("skin", null);
+        if (ibm != null) 
+        {
+            bufferStructureBuilder.addAccessorModel(
+                "inverse bind matrices", (DefaultAccessorModel) ibm);
+            bufferStructureBuilder.createBufferViewModel("skin", null);
+        }
     }
 
     @Override