Strafe-jumping
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Strafe-jumping is a form of trickjump used to increase a player's speed in computer games based on the Quake engine and now the Doom 3 engine. The technique is common in QuakeWorld, Quake II, Quake III Arena, Quake 4, Jedi Knight 2, Star Wars Jedi Knight: Jedi Academy, Soldier of Fortune 2, Doom 3, Wolfenstein:Enemy Territory, Call of Duty, and Call of Duty 2, and widely accepted as being part of the game. In Half-Life (which uses a heavily-modified Quake game engine) based games, such as Counter-Strike, strafe jumping is viewed by many as being an exploit or as cheating. Several Half-Life mods have introduced changes that limit or prevent strafe jumping along with bunny hopping.
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[edit] Strafe-jumping
Strafe-jumping requires a very specific combination of mouse and keyboard input. The exact technique involved depends on the game itself; however, most games follow a certain pattern of user actions. In several games, there are entire maps devoted to this, much like obstacle courses.
The movements are usually as follows:
- The player presses the forward key, preparing to make the first jump.
- Still keeping the forward key pressed, the player jumps, adding either the strafe left or the strafe right key (which actually cause sidestepping, not strafing).
- To gain maximum speed, the player must now move the mouse smoothly (i.e., turn) in the direction of the strafe, while still holding down the two aforementioned keys. This part is called airstrafing, which is responsible for increase in speed during the jump.
- For successive strafejumps, the player immediately jumps again on landing, swapping the direction of strafe as well as mouse motion.
Done correctly, this will dramatically increase the player's velocity with successive jumps. The only way to learn this technique is by practice. Sequential strafejumping is mainly a matter of muscle memory, as the maximum angle of mouse motion increases slightly with consecutive jumps. Another way to increase jump speed in Quake III is a circle-jump where the player gets over 400 units/sec (standard runspeed is 320 units/sec).
[edit] Bunny hopping
Bunny hopping is commonly mistaken for strafe-jumping but it is a different technique in which only the strafe keys are used (not the forward key). Bunny hopping is implemented in QuakeWorld, DeFRaG, Challenge ProMode Arena and in OSP mods for Quake III Arena, and also in Team Fortress Classic, Half-Life Mod Natural Selection, Warsow, Enemy Territory Fortress, Painkiller and Kingpin: Life of Crime.
[edit] See also
[edit] External links
- Quake III DeFRaG strafe-jump video in CPM physics at Google Video
- CoDJumper (Call of Duty)
- Strafe Tuturial (Quake III Arena)
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