Gisle Aune
2 years ago
13 changed files with 247 additions and 50 deletions
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41cmd/bustest/main.go
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60device/state.go
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60effects/gradient.go
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4effects/manual.go
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20effects/pattern.go
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54effects/random.go
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23effects/utils.go
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3interface.go
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10internal/color/color.go
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7internal/color/hs.go
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8internal/color/rgb.go
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5internal/gentools/ptr.go
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2services/effectenforcer.go
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package effects |
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import ( |
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"fmt" |
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"git.aiterp.net/lucifer3/server/device" |
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"math" |
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"time" |
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) |
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type Gradient struct { |
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States []device.State `json:"states,omitempty"` |
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AnimationMS int64 `json:"AnimationMs,omitempty"` |
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Reverse bool `json:"backward,omitempty"` |
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Interpolate bool `json:"interpolate,omitempty"` |
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} |
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func (e Gradient) State(index, length, round, _ int) device.State { |
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if len(e.States) == 0 { |
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return device.State{} |
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} |
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if e.Reverse { |
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index = length - (index + 1) |
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} |
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walkedIndex := (index + round) % length |
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indexFactor := math.Min(float64(walkedIndex)/float64(length-1), 1) |
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stateIncrement := 1.0 / float64(len(e.States)-1) |
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for i := range e.States { |
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a := float64(i) * stateIncrement |
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if indexFactor >= a { |
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si := e.States[i] |
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sj := e.States[(i+1)%len(e.States)] |
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f := (indexFactor - a) / stateIncrement |
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if f < 0 || f > 1 { |
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panic(f) |
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} |
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if e.Interpolate { |
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return si.Interpolate(sj, f) |
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} else if f < 0.5 { |
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return si |
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} else { |
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return sj |
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} |
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} |
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} |
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return e.States[len(e.States)-1] |
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} |
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func (e Gradient) Frequency() time.Duration { |
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return time.Duration(e.AnimationMS) * time.Millisecond |
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} |
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func (e Gradient) EffectDescription() string { |
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return fmt.Sprintf("Gradient(states:%s, anim:%dms, int:%t)", statesDescription(e.States), e.AnimationMS, e.Interpolate) |
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} |
@ -0,0 +1,54 @@ |
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package effects |
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import ( |
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"fmt" |
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"git.aiterp.net/lucifer3/server/device" |
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"math/rand" |
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"time" |
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) |
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type Random struct { |
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States []device.State `json:"states,omitempty"` |
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Interpolate bool `json:"interpolate,omitempty"` |
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AnimationMS int64 `json:"animationMs,omitempty"` |
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} |
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func (e Random) State(_, _, _, _ int) device.State { |
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if len(e.States) == 0 { |
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return device.State{} |
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} |
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indexFactor := rand.Float64() |
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stateIncrement := 1.0 / float64(len(e.States)-1) |
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for i := range e.States { |
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a := float64(i) * stateIncrement |
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if indexFactor >= a { |
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si := e.States[i] |
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sj := e.States[(i+1)%len(e.States)] |
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f := (indexFactor - a) / stateIncrement |
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if f < 0 || f > 1 { |
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panic(f) |
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} |
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if e.Interpolate { |
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return si.Interpolate(sj, f) |
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} else if f < 0.5 { |
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return si |
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} else { |
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return sj |
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} |
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} |
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} |
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return e.States[len(e.States)-1] |
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} |
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func (e Random) Frequency() time.Duration { |
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return time.Duration(e.AnimationMS) * time.Millisecond |
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} |
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func (e Random) EffectDescription() string { |
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return fmt.Sprintf("Random(states:%s, anim:%dms, int:%t)", statesDescription(e.States), e.AnimationMS, e.Interpolate) |
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} |
@ -0,0 +1,23 @@ |
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package effects |
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import ( |
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"git.aiterp.net/lucifer3/server/device" |
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"strings" |
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) |
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func statesDescription(states []device.State) string { |
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sb := strings.Builder{} |
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sb.Grow(128) |
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sb.WriteRune('[') |
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for i, state := range states { |
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if i > 0 { |
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sb.WriteString(", ") |
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} |
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sb.WriteString(state.String()) |
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} |
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sb.WriteRune(']') |
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return sb.String() |
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} |
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