Function BeamWidth

widgets/radar/options.go:174–178

BeamWidth sets the angular width of the visible sweep trail (the phosphor fade). The value is in degrees. Larger values create a wider, more gradual fade. Defaults to 35.

(degrees float64)

// The value is in degrees. Larger values create a wider, more gradual fade.
// Defaults to 35.
func BeamWidth(degrees float64) Option {
	return option(func(o *options) {
		o.beamWidth = degrees
	})
}

// DefaultSweepSpan is the default total sweep arc in degrees (full rotation).
const DefaultSweepSpan = 360.0