85 lines
2.7 KiB
Lua
85 lines
2.7 KiB
Lua
function EFFECT:Init(data)
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if CurTime() < 1 then self:Remove() return end
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local pos = data:GetOrigin()
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local dir = data:GetNormal()
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self.EndTime = CurTime() + 0.25
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self.TrailEnt = data:GetEntity()
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if !IsValid(self.TrailEnt) then self:Remove() return end
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local emitter = ParticleEmitter(pos)
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local amt = 16
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if IsValid(self.TrailEnt) and self.TrailEnt:IsOnGround() then
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pos = pos + Vector(0, 0, 2)
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for i = 1, amt do
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local smoke = emitter:Add("particle/smokestack", pos)
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smoke:SetVelocity(dir * -200 + VectorRand() * 128 + Vector(0, 0, math.Rand(50, 100)))
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smoke:SetStartAlpha(200)
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smoke:SetEndAlpha(0)
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smoke:SetStartSize(8)
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smoke:SetEndSize(24)
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smoke:SetRoll(math.Rand(-180, 180))
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smoke:SetRollDelta(math.Rand(-0.2, 0.2))
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smoke:SetColor(200, 200, 200)
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smoke:SetAirResistance(150)
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smoke:SetCollide(true)
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smoke:SetBounce(0.2)
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smoke:SetLighting(true)
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smoke:SetDieTime(0.5)
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end
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else
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for i = 1, amt do
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local _, a = LocalToWorld(Vector(), Angle((i / amt) * 360, 90, 0), pos, dir:Angle())
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local smoke = emitter:Add("particle/smokestack", pos)
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smoke:SetVelocity(dir * -50 + 150 * a:Up())
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smoke:SetStartAlpha(200)
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smoke:SetEndAlpha(0)
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smoke:SetStartSize(8)
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smoke:SetEndSize(24)
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smoke:SetRoll(math.Rand(-180, 180))
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smoke:SetRollDelta(math.Rand(-0.2, 0.2))
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smoke:SetColor(200, 200, 200)
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smoke:SetAirResistance(150)
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smoke:SetCollide(true)
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smoke:SetBounce(0.2)
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smoke:SetLighting(true)
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smoke:SetDieTime(0.5)
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end
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end
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emitter:Finish()
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end
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function EFFECT:Think()
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if CurTime() > self.EndTime or !IsValid(self.TrailEnt) or (self.TrailEnt:IsPlayer() and !self.TrailEnt:Alive()) then
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return false
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end
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return true
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end
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function EFFECT:Render()
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local pos = self.TrailEnt:GetPos() + Vector( 0, 0, 1 )
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local emitter = ParticleEmitter(pos)
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local d = math.Clamp((self.EndTime - CurTime()) / 0.15, 0, 1) ^ 2
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local smoke = emitter:Add("particle/smokestack", pos)
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smoke:SetVelocity(VectorRand() * 4)
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smoke:SetStartAlpha(d * 150)
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smoke:SetEndAlpha(0)
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smoke:SetStartSize(4)
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smoke:SetEndSize(24)
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smoke:SetRoll(math.Rand(-180, 180))
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smoke:SetRollDelta(math.Rand(-0.2, 0.2))
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smoke:SetColor(200, 200, 200)
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smoke:SetAirResistance(15)
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smoke:SetCollide(false)
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smoke:SetBounce(0.2)
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smoke:SetLighting(true)
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smoke:SetDieTime(0.25)
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emitter:Finish()
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end
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