# How does roping work in Worms Armageddon?

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I have yet to fully understand how the ninja rope is controlled in Worms Armageddon, which is problematic because I am trying to create a version of it in a game I am making.

So far I know that if you're hanging from a wall with it, let go, and reshoot, the rope shoots up and to the left or right, depending on which side of the connection with the wall the worm is on before letting go from the wall. If the worm is to the left of the connection before letting go, the rope shoots to the left, and it works the same way for the other side. Video example: http://d1.worms2d.info/general1.htm

When the rope length shortens, rotational speed increases, according to conservation of angular momentum.

Bouncing off objects while still connected to the rope allows you to increase your flight speed through the air after letting go from a wall.

What I don't understand is what the left and right arrow keys actually do when you're connected to the wall. If you're hanging from a ceiling, left and right increases your rotation speed to the left and right. The same thing goes for if you're above the floor. If you're connected to a side wall, however, you start bouncing off the ground after pressing the left and right keys. How much of the force is being applied where on the worm? Is the force always along the worm? Is it either only vertically applied or horizontally applied? Any insight is appreciated.

Edited by WilkinzMicawber

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its sounds like you already answered your question. You just have to translate that into the involved math.

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Or you can cheat and get the Hedgewars source code and use their implementation. ;)

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