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Glide

350 bytes added, 11:50, 9 March 2021
Squeeze glide: add info on who discovered the trick
== Squeeze glide ==
A '''squeeze glide''', often referred to simply as a '''glide''' or a "bar glide," is the most common of the glide tricks. It involves the player fitting into a space of exactly 32 units wide with the goal of skipping past a set of bars or other obstacle to player progression. Because the player is also 32 units wide, this means that the player must align themselves perfectly with the gap in question before moving through, down to a precision of 1/65536 of a unit. The quantized and somewhat inaccurate nature of the movement code can make this a difficult task.  This trick was discovered in 1999 by [[Jonathan Rimmer]] on [[MAP16: Suburbs (Doom II)]], and subsequently recorded in his 00:23 [[UV speed]] demo of the level ([https://dsdarchive.com/files/demos/doom2/32212/lv16-023.zip lv16-023.zip]). In this demo, it is used to squeeze past the bars blocking the exit, skipping the red [[key]] in the process.
An easy demonstration of a squeeze glide can be seen in accessing the secret exit of [[MAP31: Degravitation (Interception)]]; after raising two "guard rails" 32 units apart the player can access a teleporter to a spot exactly between them, and run forward through a gap in two walls exactly 32 units wide.
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