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author | Aspen Smith <grfn@gws.fyi> | 2024-02-12T03·00-0500 |
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committer | clbot <clbot@tvl.fyi> | 2024-02-14T19·37+0000 |
commit | 82ecd61f5c699cf3af6c4eadf47a1c52b1d696c6 (patch) | |
tree | 429c5e078528000591742ec3211bc768ae913a78 /users/aspen/xanthous/src/Xanthous/Physics.hs | |
parent | 0ba476a4266015f278f18d74094299de74a5a111 (diff) |
chore(users): grfn -> aspen r/7511
Change-Id: I6c6847fac56f0a9a1a2209792e00a3aec5e672b9 Reviewed-on: https://cl.tvl.fyi/c/depot/+/10809 Autosubmit: aspen <root@gws.fyi> Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI Reviewed-by: lukegb <lukegb@tvl.fyi>
Diffstat (limited to 'users/aspen/xanthous/src/Xanthous/Physics.hs')
-rw-r--r-- | users/aspen/xanthous/src/Xanthous/Physics.hs | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/users/aspen/xanthous/src/Xanthous/Physics.hs b/users/aspen/xanthous/src/Xanthous/Physics.hs new file mode 100644 index 000000000000..37530cbbc21b --- /dev/null +++ b/users/aspen/xanthous/src/Xanthous/Physics.hs @@ -0,0 +1,71 @@ +-------------------------------------------------------------------------------- +module Xanthous.Physics + ( throwDistance + , bluntThrowDamage + ) where +-------------------------------------------------------------------------------- +import Xanthous.Prelude +import Xanthous.Data + ( Meters + , (:**:)(..) + , Square + , Grams + , (|*|) + , (|/|) + , Hitpoints + , Per (..) + , squared + , Uno(..), (|+|) + ) +-------------------------------------------------------------------------------- + +-- university shotputter can put a 16 lb shot about 14 meters +-- ≈ 7.25 kg 14 meters +-- 14m = x / (7.25kg × y + z)² +-- 14m = x / (7250g × y + z)² +-- +-- we don't want to scale down too much: +-- +-- 10 kg 10 meters +-- = 10000 g 10 meters +-- +-- 15 kg w meters +-- = 15000 g w meters +-- +-- 14m = x / (7250g × y + z)² +-- 10m = x / (10000g × y + z)² +-- wm = x / (15000g × y + z)² +-- +-- w≈0.527301 ∧ y≈0.000212178 sqrt(x) ∧ z≈1.80555 sqrt(x) ∧ 22824.1 sqrt(x)!=0 +-- +-- x = 101500 +-- y = 0.0675979 +-- z = 575.231 +-- + +-- TODO make this dynamic +strength :: Meters :**: Square Grams +strength = Times 10150000 + +yCoeff :: Uno Double +yCoeff = Uno 0.0675979 + +zCoeff :: Uno Double +zCoeff = Uno 575.231 + +-- | Calculate the maximum distance an object with the given weight can be +-- thrown +throwDistance + :: Grams -- ^ Weight of the object + -> Meters -- ^ Max distance thrown +throwDistance weight = strength |/| squared (weight |*| yCoeff |+| zCoeff) + +-- | Returns the damage dealt by a blunt object with the given weight when +-- thrown +bluntThrowDamage + :: Grams + -> Hitpoints +bluntThrowDamage weight = throwDamageRatio |*| weight + where + throwDamageRatio :: Hitpoints `Per` Grams + throwDamageRatio = Rate $ 1 / 5000 |