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lua/effects/hk_laser/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/
+--]]
+
+EFFECT.Mat = Material("trails/laser")
+
+function EFFECT:Init(data)
+	self.Entity = data:GetEntity()
+	self.Attach = data:GetAttachment()
+	self.EndPos = data:GetOrigin()
+	self.Normal = data:GetNormal()
+	self.Scale = data:GetScale()
+
+	self.Color = Color(150, 100, 255)
+	self.Alpha = 150
+
+	local dynlight = DynamicLight(0)
+	dynlight.Pos = self.EndPos + self.Normal * 10
+	dynlight.Size = 350
+	dynlight.Brightness = 1
+	dynlight.Decay = 3000
+	dynlight.R = self.Color.r
+	dynlight.G = self.Color.g
+	dynlight.B = self.Color.b
+	dynlight.DieTime = CurTime() + 0.1
+
+	if not IsValid(self.Entity) then
+		return
+	end
+
+	dynlight = DynamicLight(0)
+	dynlight.Pos = self.Entity:GetAttachment(self.Attach).Pos
+	dynlight.Size = 350
+	dynlight.Brightness = 1
+	dynlight.Decay = 3000
+	dynlight.R = self.Color.r
+	dynlight.G = self.Color.g
+	dynlight.B = self.Color.b
+	dynlight.DieTime = CurTime() + 0.1
+end
+
+function EFFECT:Think()
+	self.Alpha = self.Alpha - FrameTime() * 2048
+
+	if self.Alpha < 0 then
+		return false
+	end
+
+	return true
+end
+
+function EFFECT:Render()
+	if not IsValid(self.Entity) then
+		return
+	end
+
+	if self.Alpha < 1 then
+		return
+	end
+
+	local start = self.Entity:GetAttachment(self.Attach).Pos
+
+	local length = (start - self.EndPos):Length()
+	local texcoord = math.Rand(0, 1)
+	local col = Color(150, 100, 255)
+
+	self:SetRenderBoundsWS(start, self.EndPos)
+
+	render.SetMaterial(self.Mat)
+	render.DrawBeam(start, self.EndPos, self.Scale, texcoord, texcoord + length / 128, col)
+end