public void setRotation(ReadableArray rotation) {
        if (rotation == null) {
            mRotation = sDefaultRotation;
        } else {
            float[] rotationArr = {(float) rotation.getDouble(0),
                    (float) rotation.getDouble(1), (float) rotation.getDouble(2)};
            mRotation = rotationArr;
        }

        if (getNodeJni() != null) {
            PortalScene portal = getNodeJni().getParentPortalScene();
            if (portal != null) {
                portal.setBackgroundRotation(Helper.toRadiansVector(mRotation));
            }
        }
    }
Contains a VideoTexture that is set as a background video on the scene.
android/viro_bridge/src/main/java/com/viromedia/bridge/component/VRT360Video.java