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Slight cluster missile rework #33

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Slight cluster missile rework #33

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f3cfe8d
cluster munitions changed
Alexandre425 Apr 9, 2021
62b69d4
removed unused variable
Alexandre425 Apr 9, 2021
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45 changes: 25 additions & 20 deletions lua/acf/shared/fuzes/cluster.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -7,49 +7,54 @@ Fuze.MaxDistance = 5000
if CLIENT then
Fuze.Description = "This fuze fires a beam directly ahead and releases bomblets when the beam hits something close-by. Distance in inches."
else
Fuze.Spread = 15
Fuze.Spread = 500

function Fuze:HandleDetonation(Entity, BulletData)
local FillerMass = BulletData.FillerMass
local Bomblets = math.Clamp(math.Round(FillerMass * 0.5), 10, 100)
local MuzzleVec = BulletData.Flight:GetNormalized()
-- Seven circles packed in a circle: https://en.wikipedia.org/wiki/Circle_packing_in_a_circle
local Layers = math.Clamp(math.Round(FillerMass * 0.5 / 7), 1, 4)
local Bomblets = Layers * 7
local Density = 0.77778 -- Volume density of the circle packing
local RoundData = Entity.RoundData
local Velocity = BulletData.Flight

BulletData.Caliber = BulletData.Caliber / Bomblets
BulletData.Diameter = BulletData.Diameter / Bomblets
BulletData.Caliber = BulletData.Caliber / 3
BulletData.Diameter = BulletData.Diameter / 3
BulletData.ProjArea = math.pi * (BulletData.Diameter * 0.5) ^ 2
BulletData.ProjLength = BulletData.ProjLength / Bomblets
BulletData.ProjMass = BulletData.ProjMass / Bomblets
BulletData.ProjLength = BulletData.ProjLength / Layers
BulletData.ProjMass = BulletData.ProjMass * Density / Bomblets
BulletData.DragCoef = BulletData.ProjArea * 0.0001 / BulletData.ProjMass
BulletData.FillerMass = FillerMass / Bomblets
BulletData.FillerMass = FillerMass * Density / Bomblets
BulletData.Tracer = 0

if BulletData.Type == "HEAT" then
BulletData.SlugMass = BulletData.SlugMass / Bomblets
BulletData.SlugCaliber = BulletData.SlugCaliber / Bomblets
BulletData.SlugDragCoef = BulletData.SlugDragCoef / Bomblets
BulletData.SlugMV = BulletData.SlugMV / Bomblets
BulletData.CasingMass = BulletData.CasingMass / Bomblets
BulletData.BoomFillerMass = BulletData.BoomFillerMass / Bomblets
BulletData.SlugMass = BulletData.SlugMass * Density / Bomblets
BulletData.SlugCaliber = BulletData.SlugCaliber * Density / Bomblets
BulletData.SlugDragCoef = BulletData.SlugDragCoef * Density / Bomblets
BulletData.SlugMV = BulletData.SlugMV * Density / Bomblets
BulletData.CasingMass = BulletData.CasingMass * Density / Bomblets
BulletData.BoomFillerMass = BulletData.BoomFillerMass * Density / Bomblets
end

RoundData:Network(Entity, BulletData)

local Effect = EffectData()
Effect:SetOrigin(Entity.Position)
Effect:SetNormal(Entity.CurDir)
Effect:SetScale(math.max(FillerMass ^ 0.33 * 8 * 39.37, 1))
Effect:SetScale(math.max(BulletData.Caliber * 20, 1))
Effect:SetRadius(BulletData.Caliber)

util.Effect("ACF_Explosion", Effect)

local Angle = 0
local Increment = 2 * math.pi * (Layers + 1) / Layers / 7 -- Equally spaces the bomblets angle-wise
local Velocity = BulletData.Flight

for _ = 1, Bomblets do
local Cone = math.tan(math.rad(self.Spread * ACF.GunInaccuracyScale))
local Spread = (Entity:GetUp() * math.Rand(-1, 1) + Entity:GetRight() * math.Rand(-1, 1)):GetNormalized()
local ShootDir = (MuzzleVec + Cone * Spread * (math.random() ^ (1 / ACF.GunInaccuracyBias))):GetNormalized()
local SpreadVec = Entity:GetUp() * math.sin(Angle) + Entity:GetRight() * math.cos(Angle)
local SpreadVel = SpreadVec * self.Spread * math.random() ^ 0.5
BulletData.Flight = Velocity + SpreadVel

BulletData.Flight = ShootDir * Velocity:Length()
Angle = Angle + Increment

RoundData:Create(Entity, BulletData)
end
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