public void setOnNativeTransformDelegate(boolean hasDelegate){
        if (hasDelegate){
            mTransformDelegate = new NodeTransformDelegate(this);
            mNodeJni.setTransformListener(mTransformDelegate, TRANSFORM_DELEGATE_DISTANCE_FILTER);
        } else {
            mTransformDelegate = null;
            mNodeJni.removeTransformListener();
        }
    }
Explicitly call setMaterials again with mMaterials. Allows children who override
setMaterials to modify them.
android/viro_bridge/src/main/java/com/viromedia/bridge/component/node/VRTNode.java