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Armor piercing ammunition

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Quentin Lang:
So, ive been wondering alot (and thats really alot) about armor piercing (AP, FMJ) ammo, and pretty much i got no clue about its usefulness and perks. Ive never used it much because it does quite noticable lower damage than hollow-point ammo, even to light armored targets like raiders. So, would appretiate if anyone would explain me the point and situations where AP ammo is better than JHP. Im also interested in numbers, the damage difference both types of ammo deal to, lets say, metal armor guy. Also, what are the ammo modifiers like AC, DC or smth.

Attero:
http://fodev.net/forum/index.php?topic=1129.0

i think its all there

Quentin Lang:
Alright, i think i might get my answer from that topic, but i still have no clue whats DR, AC e.t.c.

UbiValkin:
It's really easy to see damage, example 10mm AP and JHP difference:

AP
AC modifier   0
DR modifier     -25
Damage adj  3/4

JHP
AC modifier     0
DR modifier     25
Damage adj  2/1

So, you shooting with AP bullets, target has leather jacket (20% resistance from normal).
For example your pistol dealing 20 damage, so 20*3/4 = 15. 20-25=0 (i don't think resistance can be negative) So you dealing 15 damage.
Now you shooting with JHP bullets.
Again 20 damage. 20*2=40, 20%+25%=55%. 40-55%=18. You dealing on 3 damage more.

But if target has more %, JHP become useless. Btw, scorpions/geckos etc. has armor! They're not like bluesuiters. Look at wiki and see they have damage treshold and resistances. So JHP really good to kill bluesuiters.

So JHP deals 150% damage to 0% resist (x2 damage, 25% resist so damage*2*3/4), when AP vs 0 resists deals only 75% damage, so JHP will do twice damage vs bluesuiter than AP.



--- Quote from: Quentin Lang on February 14, 2010, 01:44:41 pm ---Alright, i think i might get my answer from that topic, but i still have no clue whats DR, AC e.t.c.

--- End quote ---

DamageResistance (easy to understood) and ArmorClass (% to dodge)

Quentin Lang:

--- Quote from: UbiValkin on February 14, 2010, 01:45:03 pm ---It's really easy to see damage, example 10mm AP and JHP difference:

AP
AC modifier   0
DR modifier     -25
Damage adj  3/4

JHP
AC modifier     0
DR modifier     25
Damage adj  2/1

So, you shooting with AP bullets, target has leather jacket (20% resistance from normal).
For example your pistol dealing 20 damage, so 20*3/4 = 15. 20-25=0 (i don't think resistance can be negative) So you dealing 15 damage.
Now you shooting with JHP bullets.
Again 20 damage. 20*2=40, 20%+25%=55%. 40-55%=18. You dealing on 3 damage more.

But if target has more %, JHP become useless. Btw, scorpions/geckos etc. has armor! They're not like bluesuiters. Look at wiki and see they have damage treshold and resistances. So JHP really good to kill bluesuiters.

So JHP deals 150% damage to 0% resist (x2 damage, 25% resist so damage*2*3/4), when AP vs 0 resists deals only 75% damage, so JHP will do twice damage vs bluesuiter than AP.


DamageResistance and DamageTreshold

--- End quote ---
I can already quite see this is what i was looking for, thanks man. But can someone explain me whats AC modifier, DR modifier and Damage adj?
Oh, and EDIT: If i shoot JHP ammo to a guy with LJ or LA to head (where technically there should be no armor) does it count as no armor? Are JHP bullets to head for LA armored guy better than AP to torso?

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