The stage property on the app we create is the root container of everything that we want to render with PIXI. From what I see in the console, the root container doesn't have its own parent. The default pivot and position for it are both (0, 0), which is the top-left corner of the container.
By default, the children are added at (0, 0), which is now the top-left corner of the root container. I want them to be added at the geometric center of the container so naturally I did stage.pivot.set(renderer.width / 2, renderer.height / 2). However, this doesn't work. Instead, stage.pivot.set(-rende