This test validates that movementX/Y provided indefinitely even when the mouse cursor would have otherwise hit the edge of a screen.

Manual Test Steps:

  1. Click the "lockTarget" button to request a pointer lock.
  2. Move the pointer constantly in a diagonal direction (e.g. up and right).
  3. Test is done.

Click the "lockTarget" button.

screenSize: NaN

movementX_sum: NaN

movementY_sum: NaN