// window["t"] = () =>
// {


//     app.m_Database.StartTransaction();

//     let line = new Line(new THREE.Vector3(Math.random() * 100, Math.random() * 100), new THREE.Vector3(Math.random() * 100, Math.random() * 100))

//     app.m_Database.appendEntity(line);

//     app.m_Database.CommitTransaction();
// }