render.EndBeam

 
// setup our variables
local start_pos = Vector();
local end_pos = VectorRand() * 1024;
local dir = ( end_pos - start_pos );
local increment = dir:Length() / 12;
dir:Normalize();
 
// set material
render.SetMaterial( laser );
 
// start the beam with 14 points
render.StartBeam( 14 );
 
// add start
render.AddBeam(
	start_pos,				// Start position
	32,					// Width
	CurTime(),				// Texture coordinate
	Color( 64, 255, 64, 255 )		// Color
);
 
//
local i;
for i = 1, 12 do
	// get point
	local point = ( start_pos + dir * ( i * increment ) ) + VectorRand() * math.random( 1, 16 );
 
	// texture coords
	local tcoord = CurTime() + ( 1 / 12 ) * i;
 
	// add point
	render.AddBeam(
		point,
		32,
		tcoord,
		Color( 64, 255, 64, 255 )
	);
 
end
 
// add the last point
render.AddBeam(
	end_pos,
	32,
	CurTime() + 1,
	Color( 64, 255, 64, 255 )
);
 
// finish up the beam
render.EndBeam();