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[E2] Beam Core

Allows you to draw beams "lasers" with an e2
these can either be relative to the world or to an arbitrary position and rotation set by you.

You define points for the beam to pass through, lines will go from point to point in sequencial order.
Leaving an empty index will result in an empty space between two lines.
An example of this would be:
-Define points 1,2,3,5,6,7
->4 Lines are drawn, 1-2, 2-3, 5-6, 6-7
You change the 'settings' of the beam (such as material and color) anytime.

Note that excessive use of these functions will result in a high NET IN. Be smart about it, parent the points.

If you want a beam (set of lines) to follow a particular entity, you define the points locally (small vectors usually, no entity():pos()! ).
Now to make the points move with the entity, you use the 'beamSetOrigin*' functions. (You set its position and use the parent function)

beamPoint(id, vector position) --Define a new point
beamPoint(id, entity parent [, vector localpos]) --'Parents' a point to an entity.
beamMaterial(material) --Change the material of the beam
beamClear() --Clears the points (remove them)
beamSize(size) --Change the width of the beam
beamAlpha(alpha) --Change the alpha of the beam
beamColor(vector color) --Change the color of the beam
beamVisible(player, can_see) --Sets whether or not <player> can see the beam
beamGlobal(global) --Define whether points positions are local to an arbitrary origin or not (see below)
beamSetOriginPos(vector pos) --Change the position of the origin
beamSetOriginAng(angle ang) --Change the angles of the origin
beamSetOriginParent(entity parent) --Parent the origin to an entity
beamGetOriginEntity() --Get the entity representing the origin. Destroying this will remove the beam.

Note that all functions accept an extra 'beam index' at the start which can be used in a similar way to holograms indexes to manipulate multiple beams.

BeamCore_CanUse [1-2] 2=Admin Only 1=Everyone (default:1)
BeamCore_MaxBeamsPerE2 [seconds] --Max beams per e2 (obvious)

JackCarterSmith -- Fixing this old addon for those that still use it :)