single-colour plasma, I hope
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10cef66e13
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@ -112,3 +112,46 @@ func PlasmaPanel(w int, h int, speed uint16) [][]RGBcolor {
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}
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return grid
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}
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func singleColorPlasmaFromFloatVal(val float64, baseColor RGBcolor) (byte, byte, byte) {
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var r byte
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var g byte
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var b byte
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val = positiveModF(val)
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r = baseColor[0] * val
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g = baseColor[1] * val
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b = baseColor[2] * val
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return r, g, b
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}
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func PlasmaPanelSingleColor(w int, h int, speed uint16, baseColor RGBcolor) [][]RGBcolor {
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grid := make([][]RGBcolor, w)
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for i := 0; i < w; i++ {
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grid[i] = make([]RGBcolor, h)
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}
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palletteOffset -= 0.05 / 1.0
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if palletteOffset < 0 {
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palletteOffset += 1.0
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}
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offset := 0.5 // center offset
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scaleW := math.Pi * 2.0 / float64(w)
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scaleH := math.Pi * 2.0 / float64(h)
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for y := 0; y < h; y++ {
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for x := 0; x < w; x++ {
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u := math.Cos((float64(x) + offset) * scaleW)
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v := math.Cos((float64(y) + offset) * scaleH)
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j := math.Cos(offset * scaleW) // 2D - No Z
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e := (u + v + j + 3.0) / 6.0
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r, g, b := singleColorPlasmaFromFloatVal(palletteOffset+e, baseColor)
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var rgb [3]byte
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rgb[0] = r
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rgb[1] = g
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rgb[2] = b
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grid[x][y] = rgb
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}
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}
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return grid
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}
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@ -55,6 +55,17 @@ func PatternHandler(response http.ResponseWriter, request *http.Request) {
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} else {
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e.Speed = 40
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}
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if vars["color"] != "" {
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var c queue.RGBcolor
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for cn, cv := range colornames.Map {
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if cn == strings.ToLower(vars["name"]) {
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c[0] = cv.R
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c[1] = cv.G
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c[2] = cv.B
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}
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}
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e.SeedColour = c
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}
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if vars["override"] == "true" {
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overrideFlag <- e
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} else {
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@ -159,9 +170,13 @@ func HandleHTTP(queueChannel chan queue.QueueItem, Port int, overrideChannel cha
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r.HandleFunc("/pattern/{pattern}/", PatternHandler)
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r.HandleFunc("/pattern/{pattern}/{duration}", PatternHandler)
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r.HandleFunc("/pattern/{pattern}/{duration}/{speed}", PatternHandler)
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r.HandleFunc("/colour/{name}", ColourHandler)
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r.HandleFunc("/colour/{name}/override={override}", ColourHandler)
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r.HandleFunc("/colour/{name}/{duration}", ColourHandler)
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r.HandleFunc("/colorpattern/{color}/{pattern}/override={override}", PatternHandler)
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r.HandleFunc("/colorpattern/{color}/{pattern}/", PatternHandler)
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r.HandleFunc("/colorpattern/{color}/{pattern}/{duration}", PatternHandler)
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r.HandleFunc("/colorpattern/{color}/{pattern}/{duration}/{speed}", PatternHandler)
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r.HandleFunc("/bloop/{name}", ColourHandler)
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r.HandleFunc("/bloop/{name}/override={override}", ColourHandler)
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r.HandleFunc("/bloop/{name}/{duration}", ColourHandler)
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r.HandleFunc("/color/{name}", ColourHandler)
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r.HandleFunc("/color/{name}/override={override}", ColourHandler)
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r.HandleFunc("/color/{name}/{duration}", ColourHandler)
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