`on.resize`.

  `App.resize`.

* `App.update(dt)` -- called after every call to `on.draw`. Make changes to
  your app's variables here rather than in `on.draw`. Provides in `dt` the
  time since the previous call to `on.update`, which can be useful for things

* `App.update(dt)` -- called after every call to `App.draw`. Make changes to
  your app's variables here rather than in `App.draw`. Provides in `dt` the
  time since the previous call to `App.update`, which can be useful for things

  button. Provides the same arguments as `on.mouse_press()` above.

  button. Provides the same arguments as `App.mousepressed()` above.

  together will call `on.textinput` with `A`.

  together will call `App.textinput` with `A`.

  `mouse_button` is pressed. See `on.mouse_press` for `mouse_button` codes.

  `mouse_button` is pressed. See `App.mousepressed` for `mouse_button` codes.