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lua/effects/simfphys_tracer.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/
+--]]
+
+--DO NOT EDIT OR REUPLOAD THIS FILE
+
+EFFECT.Mat = Material( "effects/simfphys_armed/spark" )
+
+local Materials = {
+	"particle/smokesprites_0001",
+	"particle/smokesprites_0002",
+	"particle/smokesprites_0003",
+	"particle/smokesprites_0004",
+	"particle/smokesprites_0005",
+	"particle/smokesprites_0006",
+	"particle/smokesprites_0007",
+	"particle/smokesprites_0008",
+	"particle/smokesprites_0009",
+	"particle/smokesprites_0010",
+	"particle/smokesprites_0011",
+	"particle/smokesprites_0012",
+	"particle/smokesprites_0013",
+	"particle/smokesprites_0014",
+	"particle/smokesprites_0015",
+	"particle/smokesprites_0016"
+}
+
+function EFFECT:Init( data )
+
+	self.StartPos = data:GetStart()
+	self.EndPos = data:GetOrigin()
+	
+	self.Dir = self.EndPos - self.StartPos
+
+	self:SetRenderBoundsWS( self.StartPos, self.EndPos )
+
+	self.TracerTime = math.min( 1, self.StartPos:Distance( self.EndPos ) / 15000 )
+	
+	self.Length = math.Rand( 0.05, 0.1 )
+
+	-- Die when it reaches its target
+	self.DieTime = CurTime() + self.TracerTime
+	
+	local Dir = self.Dir:GetNormalized()
+	
+	local emitter = ParticleEmitter( self.StartPos, false )
+	
+	for i = 0, 12 do
+		local Pos = self.StartPos + Dir * i * 0.7 * math.random(1,2) * 0.5
+		
+		local particle = emitter:Add( "effects/muzzleflash2", Pos )
+		local Size = 1
+		
+		if particle then
+			particle:SetVelocity( Dir * 800 )
+			particle:SetDieTime( 0.05 )
+			particle:SetStartAlpha( 255 * Size )
+			particle:SetStartSize( math.max( math.random(10,24) - i * 0.5,0.1 ) * Size )
+			particle:SetEndSize( 0 )
+			particle:SetRoll( math.Rand( -1, 1 ) )
+			particle:SetColor( 255,255,255 )
+			particle:SetCollide( false )
+		end
+		
+		
+	end
+	
+	for i = 0,20 do
+		local particle = emitter:Add( Materials[math.random(1,table.Count( Materials ))],self.StartPos )
+		
+		local rCol = 255
+		
+		if particle then
+			particle:SetVelocity( Dir * math.Rand(1000,3000) + VectorRand() * math.Rand(0,10) )
+			particle:SetDieTime( math.Rand(0.05,0.2) )
+			particle:SetAirResistance( math.Rand(50,100) ) 
+			particle:SetStartAlpha( 20 )
+			particle:SetStartSize( 2 )
+			particle:SetEndSize( math.Rand(5,10) )
+			particle:SetRoll( math.Rand(-1,1) )
+			particle:SetColor( rCol,rCol,rCol )
+			particle:SetGravity( VectorRand() * 200 + Vector(0,0,200) )
+			particle:SetCollide( false )
+		end
+	end
+	
+	emitter:Finish()
+	
+end
+
+function EFFECT:Think()
+
+	if CurTime() > self.DieTime then
+		return false
+	end
+
+	return true
+
+end
+
+function EFFECT:Render()
+
+	local fDelta = ( self.DieTime - CurTime() ) / self.TracerTime
+	fDelta = math.Clamp( fDelta, 0, 1 ) ^ 1
+
+	local sinWave = math.sin( fDelta * math.pi )
+	
+	local Pos1 = self.EndPos - self.Dir * ( fDelta - sinWave * self.Length )
+	
+	render.SetMaterial( self.Mat )
+	render.DrawBeam( Pos1,
+		self.EndPos - self.Dir * ( fDelta + sinWave * self.Length ),
+		15, 1, 0, Color( 255, 255, 255, 255 ) )
+end