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gamemodes/sandbox/entities/effects/selection_indicator.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/select_dot" )
+
+function EFFECT:Init( data )
+
+	local pos = data:GetOrigin()
+	local att = data:GetAttachment()
+	local ent = data:GetEntity()
+	local nrml = data:GetNormal()
+
+	self:SetRenderBounds( Vector( -8, -8, -8 ), Vector( 8, 8, 8 ) )
+	self:SetPos( pos )
+
+	-- This 0.01 is a hack.. to prevent the angle being weird and messing up when we change it back to a normal
+	self:SetAngles( nrml:Angle() + Angle( 0.01, 0.01, 0.01 ) )
+
+	if ( IsValid( ent ) ) then
+		self:SetParentPhysNum( att )
+		self:SetParent( ent )
+	end
+
+	self.Size = 4
+	self.Alpha = 255
+
+	local effectdata = EffectData()
+	effectdata:SetOrigin( pos )
+	effectdata:SetNormal( nrml )
+	effectdata:SetEntity( ent )
+	effectdata:SetAttachment( att )
+
+	for i = 0, 5 do
+
+		util.Effect( "selection_ring", effectdata )
+
+	end
+
+end
+
+function EFFECT:Think()
+
+	self.Alpha = self.Alpha - 255 * FrameTime()
+	if ( self.Alpha < 0 ) then return false end
+	return true
+
+end
+
+function EFFECT:Render()
+
+	if ( self.Alpha < 1 ) then return end
+
+	render.SetMaterial( self.Mat )
+
+	render.DrawQuadEasy( self:GetPos(), self:GetAngles():Forward(), self.Size, self.Size, Color( 255, 255, 255, self.Alpha ) )
+
+end