Difference between revisions of "Pneumatic Drill"

Latest revision as of 13:12, 31 July 2024

Pneumatic Drill
Type:	Digging tool
Keyboard selection:	F7 (x2)
Standard effects:	Vertical tunnel
Present in:	Worms, Worms DC, W:2, W:A, WWP

The Pneumatic Drill allows a worm to dig a hole directly downward through the terrain.

Regardless of power setting, it stays active for a maximum of 5 seconds.

By setting its power, not only the damage caused to a worm changes, but the distance it propels the hit worm too. Also, there is a maximum damage that a worm can recieve during a turn by this weapon.

Its maximum damage is "shared" with the blowtorch, which only matters when WWP's Wormpot "Using a weapon doesn't end your turn mode" or RubberWorm's shot doesn't end turn mode is on. This means that the sum of the damage dealt by pneumatic drill and blowtorch in one turn to a single worm can not exceed a certain amount defined by the power setting. In case of different settings, the weaker one is used.

The depth of the hole varies randomly, approximating a Gaussian distribution (bell curve). The average (mean) digging depth, calculated from a test sample of 2.15×10¹² random drillings on solid flat terrain, is 157.96 pixels, with a standard deviation of 18.35 pixels (also, the median is 157 and the mode is 156). (The depth is defined as the lowest height a worm can occupy at the bottom of the hole, minus the height of a worm at the surface.) In 95% of drillings, the depth will be within the range 124 to 196 pixels. In 99% of drillings, it'll be from 115 to 208 pixels. In 99.9% of drillings, it'll be from 105 to 223 pixels. The minimum and maximum depths encountered during the test were 63 and 296 pixels, and these are likely to be the absolute limits (suggested by the fact that they exploit patterns in W:A's PRNG). A drill depth of 63 pixels has a probability of 1 in 587,084,635,874, and a 296 pixel depth is 1 in 793,314,991,995. (In contrast, the probability of a 156 pixel depth is 1 in 46.309, or 2.1594%.) If W:A used real randomness and not a PRNG, the minimum depth would be 0 pixels and the maximum would be 792 pixels, but these events would be extraordinarily improbable (less than 1 in 10⁴⁰).

Note that the above description of drill depth does not apply to to W:A 3.6.30.0 through 3.6.31.0. A drill-related fix in W:A 3.6.30.0 accidentally changed the average depth to 185 pixels (and modified the entire distribution). This was fixed in W:A 3.6.31.2b.

Tips and tactics

Pneumatic Drill does not explode the Oil Drum if used on its surface

• Pneumatic Drill can collect crates.
• It can be used to avoid Fall Damage, however after using it the turn will end (no retreat time).
• It can be useful to slide on a slope (after obtaining some velocity by a jump or a ninja rope), knocking worms on its way.
• Deactivating Pneumatic Drill in the air will cause the worm to stay in a landing/jump posture for a while, without rotating, sliding or knocking worms on the terrain. This can be useful to reach and stop safely on good places without hurting allied worms. Note that if the turn time ends while using the Pneumatic Drill and its effect end, this landing/jump posture will not occur. The worm will rotate, slide and knock worms.
• Pneumatic Drill is very powerful against Freeze. It can create a vertical sink hole to plop enemy frozen worms, like a mini-Kamikaze downwards.
• If you use Pneumatic Drill on the surface of an Oil Drum, it will act as an indestructable land in this specific situation and won't explode. But, if you use the drill at the side of the Oil Drum, it will explode.

Criticisms, Problems and Weaknesses

• The direction in which a worm is knocked upon being drilled is randomly left or right; contrary to intuition, it does not depend on the relative positions of the worm being drilled and the one doing the drilling.

Tricks and glitches

• If timed correctly, it is possible to jump right after drilling.

External links

• Pneumatic Drill on Wormopaedia

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