An invisible wall or invisi-wall is a video game term for a boundary that limits where a player can go in a certain area, but doesn't appear in-game as any kind of visible obstacle, or as an obstacle that in reality could easily be bypassed, such as a mid-sized rock or short fence. In 2D games, the edge of the screen itself can form an "invisible wall", in that a character in play may be prevented from travelling off the edge of the screen. In 3D games, invisible walls are used similarly to prevent a player leaving the gameplay area. This is often done in preference to using a more visible boundary, as this can reduce the realism of the environment.
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Famous quotes containing the words invisible and/or wall:
“It was a very lonely spirit that looked out from under those shaggy brows and comprehended men without fully communicating with them, as if, in spite of all its genial efforts at comradeship, it dwelt apart, saw its visions of duty where no man looked on.... This strange child of the cabin kept company with invisible things, was born into no intimacy but that its own silently assembling and deploying thoughts.”
—Woodrow Wilson (1856–1924)
“But I would cry,
rooted into the wall that
was once my mother,
if I could remember how
and if I had the tears.”
—Anne Sexton (1928–1974)