The most recently encountered red and blue points are maintained as the line sweeps.
A long line slowly sweeps across the screen, like the wand of a metronome.
The bow came to a point, and the lines of the hull swept aft in a streamlining effect.
As the second line swept past the twin towers, Davos took a closer look.
The result of that was that the entire line of cars swept to the left and passed Gordon.
A menacing line of dark clouds swept in low from the east; the wind whipped our cloaks.
As he watched, a line of men swept across the LZ.
Within a minute, a white line of rain swept across the sound.
As she did, the first line of enemy horsemen swept out of the darkness.
A long line of bat-birds swept past, too high to be counted accurately.