Warp-effect
From FreeSpace Wiki
warp-effect Causes a subspace warp effect at a given origin, facing toward a given location, with the given parameters. Takes 12 arguments... 1: Origin X 2: Origin Y 3: Origin Z 4: Location X 5: Location Y 6: Location Z 7: Radius 8: Duration in seconds 9: Warp opening sound (index into sounds.tbl) 10: Warp closing sound (index into sounds.tbl) 11: Type (0 for standard blue [default], 1 for Knossos green) 12: Shape (0 for 2-D [default], 1 for 3-D)