automated snapshot

signals.go

@@ -9,11 +9,13 @@ type Signal interface {
 }
 
 type Const struct{ V float64 }
+
 func (s Const) Eval(t float64) float64 { return s.V }
 
 type Sine struct {
 	Amp, Freq, Phase, Bias float64
 }
+
 func (s Sine) Eval(t float64) float64 {
 	return s.Bias + s.Amp*math.Sin(2*math.Pi*s.Freq*t+s.Phase)
 }
@@ -21,8 +23,8 @@ func (s Sine) Eval(t float64) float64 {
 type Saw struct {
 	Min, Max, Period float64
 }
+
 func (s Saw) Eval(t float64) float64 {
 	u := math.Mod(t, s.Period) / s.Period // 0..1
 	return s.Min + (s.Max-s.Min)*u
 }
-