protected float[] get2DPosition() {
        float[] arr = {getLeft() + getPivotX(), getTop() + getPivotY()};
        return arr;
    }
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