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lua/effects/simfphys_gausstracer.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/
+--]]
+
+EFFECT.Mat = Material( "effects/simfphys_armed/gauss_beam" )
+
+function EFFECT:Init( data )
+
+	self.StartPos = data:GetStart()
+	self.EndPos = data:GetOrigin()
+
+	local ent = data:GetEntity()
+	self.parentent = ent
+	
+	local att = data:GetAttachment()
+
+	if ( IsValid( ent ) && att > 0 ) then
+		if ( ent.Owner == LocalPlayer() && !LocalPlayer():GetViewModel() != LocalPlayer() ) then ent = ent.Owner:GetViewModel() end
+
+		local att = ent:GetAttachment( att )
+		if ( att ) then
+			self.StartPos = att.Pos
+		end
+	end
+
+	self.Dir = self.EndPos - self.StartPos
+
+	self:SetRenderBoundsWS( self.StartPos, self.EndPos )
+	
+	self.TracerTime = 0.1
+	self.Length = math.Rand( 0.15, 0.3 )
+
+	-- Die when it reaches its target
+	self.DieTime = CurTime() + self.TracerTime
+
+end
+
+function EFFECT:Think()
+
+	if ( CurTime() > self.DieTime ) then
+
+		-- Awesome End Sparks
+		local effectdata = EffectData()
+		effectdata:SetOrigin( self.EndPos + self.Dir:GetNormalized() * -5 )
+		effectdata:SetNormal( self.Dir:GetNormalized() * -3 )
+		effectdata:SetMagnitude( 1 )
+		effectdata:SetScale( 1 )
+		effectdata:SetRadius( 6 )
+		util.Effect( "Sparks", effectdata )
+
+		return false
+	end
+
+	return true
+
+end
+
+function EFFECT:RenderGauss(dir,dist)
+	if !IsValid(self.parentent) then return end
+	
+	local origin = self.parentent:GetAttachment( 1 ).Pos
+	
+	render.SetMaterial( self.Mat )
+	render.DrawBeam(origin, origin + dir * dist, 2, 1, 1, Color( 255,145,0, 255 ) )
+	
+	self:GaussArc(origin,dir,dist)
+	self:GaussArc(origin,dir,dist)
+end
+
+function EFFECT:GaussArc(origin,dir,dist)
+	local amount = math.Round(dist / 100,1)
+	
+	local positions = {}
+	for i = 1, amount do
+		local intensitivity = math.sin( (i / amount) * 180  * (math.pi / 180) )
+		
+		local arc_offset = dir * i * (dist / amount) + self.side:Right() * intensitivity * dist * 0.02
+		local noise = Vector( math.random(-1,1), math.random(-1,1), math.random(-1,1) ) * intensitivity
+		
+		table.insert(positions, origin + arc_offset + noise )
+		
+		render.DrawBeam(positions[i-1] or origin, positions[i], 1, 1, 1, Color( 255,195,50, 255 ) )
+	end
+end
+
+function EFFECT:Render()
+	local dir = self.Dir
+	dir:Normalize()
+	
+	self.side = dir:Angle()
+	self.side:RotateAroundAxis(dir, math.random(-180,180) )
+	
+	self:RenderGauss(dir,(self.EndPos - self.StartPos):Length())
+end