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lua/effects/vj_laserrod_red/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/
+--]]
+
+if (!file.Exists("autorun/vj_base_autorun.lua","LUA")) then return end
+/*--------------------------------------------------
+	*** Copyright (c) 2012-2023 by DrVrej, All rights reserved. ***
+	No parts of this code or any of its contents may be reproduced, copied, modified or adapted,
+	without the prior written consent of the author, unless otherwise indicated for stand-alone materials.
+--------------------------------------------------*/
+-- Based off of the GMod lasertracer
+EFFECT.MainMat = Material("effects/spark")
+
+function EFFECT:Init( data )
+	self.StartPos = data:GetStart()
+	self.EndPos = data:GetOrigin()
+	local ent = data:GetEntity()
+	local att = data:GetAttachment()
+
+	if ( IsValid( ent ) && att > 0 ) then
+		if (ent.Owner == LocalPlayer() && !LocalPlayer():GetViewModel() != LocalPlayer()) then ent = ent.Owner:GetViewModel() end
+		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 = math.min(1, self.StartPos:Distance(self.EndPos) / 10000) -- Calculate death time
+	self.Length = 0.1
+
+	-- Die when it reaches its target
+	self.DieTime = CurTime() + self.TracerTime
+end
+---------------------------------------------------------------------------------------------------------------------------------------------
+function EFFECT:Think()
+	if (CurTime() > self.DieTime) then -- If it's dead then...
+		util.Decal("fadingscorch", self.EndPos + self.Dir:GetNormalized(), self.EndPos - self.Dir:GetNormalized())
+
+		local effectData = EffectData()
+		effectData:SetOrigin(self.EndPos + self.Dir:GetNormalized() * -2)
+		effectData:SetNormal(self.Dir:GetNormalized() * -3)
+		effectData:SetMagnitude(0.1)
+		effectData:SetScale(0.8)
+		effectData:SetRadius(5)
+		util.Effect("Sparks", effectData)
+		return false
+	end
+	return true
+end
+---------------------------------------------------------------------------------------------------------------------------------------------
+function EFFECT:Render()
+	local fDelta = (self.DieTime - CurTime()) / self.TracerTime
+	fDelta = math.Clamp(fDelta, 0, 1) ^ 0.5
+	render.SetMaterial(self.MainMat)
+	local sinWave = math.sin(fDelta * math.pi)
+	render.DrawBeam(
+		self.EndPos - self.Dir * (fDelta - sinWave * self.Length),
+		self.EndPos - self.Dir * (fDelta + sinWave * self.Length),
+		5 + sinWave * 35, 1, 0, Color(255, 0, 0, 255)
+	)
+end