Meanings of fall slantingly in English

The September sunshine fell slantingly over the roofs.

The sunlight fell slantingly across the room, gleaming in James Mandeville's short curls and emphasizing all the cosiness and pleasantness of her surroundings.

From across the yard the sunbeam, as it crept up the wall, fell slantingly through the attic window whence issued the sound of hammer-blows.