private void createPhysicsBody(PhysicsBody.RigidBodyType bodyType, float mass, PhysicsShape shape){
        mNodeJni.initPhysicsBody(bodyType, mass, shape);
        if (mViroContext != null) {
            if (mPhysicsDelegate != null) {
                mNodeJni.getPhysicsBody().setCollisionListener(mPhysicsDelegate);
            } else {
                mNodeJni.getPhysicsBody().setCollisionListener(null);
            }
        }
        hasPhysicsBody = true;
    }
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