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lua/effects/tfa_metal_impact/init.lua

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+--[[
+| This file was obtained through the combined efforts
+| of Madbluntz & Plymouth Antiquarian Society.
+|
+| Credits: lifestorm, Gregory Wayne Rossel JR.,
+| 	Maloy, DrPepper10 @ RIP, Atle!
+|
+| Visit for more: https://plymouth.thetwilightzone.ru/
+--]]
+
+
+-- Copyright (c) 2018-2020 TFA Base Devs
+
+-- Permission is hereby granted, free of charge, to any person obtaining a copy
+-- of this software and associated documentation files (the "Software"), to deal
+-- in the Software without restriction, including without limitation the rights
+-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+-- copies of the Software, and to permit persons to whom the Software is
+-- furnished to do so, subject to the following conditions:
+
+-- The above copyright notice and this permission notice shall be included in all
+-- copies or substantial portions of the Software.
+
+-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+-- SOFTWARE.
+
+local gravity_cv = GetConVar("sv_gravity")
+EFFECT.VelocityRandom = 0.25
+EFFECT.VelocityMin = 95
+EFFECT.VelocityMax = 125
+EFFECT.ParticleCountMin = 4
+EFFECT.ParticleCountMax = 7
+EFFECT.ParticleLife = 1.3
+
+function EFFECT:Init(data)
+	self.StartPos = data:GetOrigin()
+	self.Dir = data:GetNormal()
+	self.LifeTime = 0.1
+	self.DieTime = CurTime() + self.LifeTime
+	self.PartMult = 0.2
+	self.Grav = Vector(0, 0, -gravity_cv:GetFloat())
+	self.SparkLife = 1
+	local emitter = ParticleEmitter(self.StartPos)
+	local partcount = math.random(self.ParticleCountMin, self.ParticleCountMax)
+
+	--Sparks
+	for _ = 1, partcount do
+		local part = emitter:Add("effects/yellowflare", self.StartPos)
+		part:SetVelocity(Lerp(self.VelocityRandom, self.Dir, VectorRand()) * math.Rand(self.VelocityMin, self.VelocityMax))
+		part:SetDieTime(math.Rand(0.25, 1) * self.SparkLife)
+		part:SetStartAlpha(255)
+		part:SetStartSize(math.Rand(2, 4))
+		part:SetEndSize(0)
+		part:SetRoll(0)
+		part:SetGravity(self.Grav)
+		part:SetCollide(true)
+		part:SetBounce(0.55)
+		part:SetAirResistance(0.5)
+		part:SetStartLength(0.2)
+		part:SetEndLength(0)
+		part:SetVelocityScale(true)
+		part:SetCollide(true)
+	end
+
+	--Impact
+	local part = emitter:Add("effects/yellowflare", self.StartPos)
+	part:SetStartAlpha(255)
+	part:SetStartSize(15 * self.PartMult)
+	part:SetDieTime(self.LifeTime * 1)
+	part:SetEndSize(0)
+	part:SetEndAlpha(0)
+	part:SetRoll(math.Rand(0, 360))
+	emitter:Finish()
+end
+
+function EFFECT:Think()
+	return false
+end
+
+function EFFECT:Render()
+return false
+end