Qt Quick Particles Examples-Affectors The ground in Gravity is not wide enough

Description:

The ground in Gravity is not wide enough. Easier to see on the video.
Steps to reproduce:

1. Open the Qt Quick Particles Examples Affector
2. Open the "Gravity" section
3. Enter fullscreen mode
4. Rotate the ground to approximatively 45degrees

Expected behavior:

There should be no "empty space" no matter how the ground is rotated.

Observed behavior:

The ground is not wide enough to cover the whole screen at 45 degrees when in fullscreen mode.
Special notes: