OptionaladditiveOptionalcolourplain-line colour; ignored with texture. Default white
Optionaldurationseconds till done; default 0.2
OptionaltextureRepeating strip drawn instead of a plain line. The object form adds BeamTextureOptions.stretch and BeamTextureOptions.anchor; a bare texture tiles exactly as it always has.
OptionalthinThe beam narrows with its own remaining life - thickness * (1 - progress)
Optionalwidthline width, or strip height with a texture; default 2
additive blend; default true, set false for a solid beam