Added go stuff
This commit is contained in:
parent
a1e7a6ca12
commit
23fc55a003
8
go/Dockerfile
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8
go/Dockerfile
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FROM golang:1.14-alpine
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WORKDIR /go/src/app
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COPY . .
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RUN go install
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CMD ["dancefloor"]
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71
go/main.go
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71
go/main.go
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package main
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import (
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"bytes"
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"dancefloor/patterns"
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"encoding/json"
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"net/http"
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"sync"
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)
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var client http.Client
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var lock sync.Mutex
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var pattern Pattern
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var width, height int
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func main() {
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width = 6
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height = 5
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go drawLoop()
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SetPattern(&patterns.ScrollingText{Text: "Jake is the best!", Colour: [3]uint8{0, 0, 255}, Background: [3]uint8{24, 24, 24}})
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select {}
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}
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type Pattern interface {
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Draw(width, height int) *[][]patterns.Colour
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}
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func SetPattern(new Pattern) {
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lock.Lock()
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defer lock.Unlock()
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pattern = new
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}
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func draw() *[][]patterns.Colour {
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lock.Lock()
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defer lock.Unlock()
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return pattern.Draw(width, height)
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}
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func render(data *[][]patterns.Colour) {
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content, err := json.Marshal(struct {
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Data [][]patterns.Colour `json:"data"`
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}{
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Data: *data,
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})
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if err != nil {
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panic(err)
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}
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req, err := http.NewRequest("PUT", "http://10.10.0.26:5000/update", bytes.NewReader(content))
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if err != nil {
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panic(err)
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}
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req.Header.Add("Content-Type", "application/json")
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_, err = client.Do(req)
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if err != nil {
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panic(err)
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}
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}
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func drawLoop() {
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for {
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render(draw())
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}
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}
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303
go/patterns/character.go
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303
go/patterns/character.go
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package patterns
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// character maps referenced [y][x]
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var masks = make(map[rune]*[5][]bool)
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type Character struct {
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Character rune
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Colour Colour
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Background Colour
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initiated bool
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drawn [][]Colour
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}
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func (s *Character) Draw(width, height int) *[][]Colour {
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if !s.initiated {
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s.init(width, height)
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s.initiated = true
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}
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return &s.drawn
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}
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func (s *Character) init(width, height int) {
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if width == 0 {
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if _, ok := masks[s.Character]; ok {
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width = len(masks[s.Character][0])
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}
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}
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s.drawn = make([][]Colour, width)
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for i := 0; i < width; i++ {
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s.drawn[i] = make([]Colour, height)
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for j := 0; j < height; j++ {
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s.drawn[i][j] = s.Background
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if val, ok := masks[s.Character]; ok {
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y := 5 - j - 1
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if i < len(val[y]) && val[y][i] {
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s.drawn[i][j] = s.Colour
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}
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}
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}
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}
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}
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func init() {
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masks['a'] = &[5][]bool{
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{true, true, true, true, true},
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{true, false, false, false, true},
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{true, true, true, true, true},
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{true, false, false, false, true},
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{true, false, false, false, true},
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}
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masks['A'] = masks['a']
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masks['b'] = &[5][]bool{
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{true, true, true, true, false},
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{true, false, false, false, true},
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{true, true, true, true, true},
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{true, false, false, false, true},
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{true, true, true, true, false},
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}
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masks['B'] = masks['b']
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masks['c'] = &[5][]bool{
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{true, true, true, true, true},
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{true, false, false, false, false},
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{true, false, false, false, false},
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{true, false, false, false, false},
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{true, true, true, true, true},
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}
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masks['C'] = masks['c']
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masks['d'] = &[5][]bool{
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{true, true, true, true, false},
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{true, false, false, false, true},
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{true, false, false, false, true},
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{true, false, false, false, true},
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{true, true, true, true, false},
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}
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masks['D'] = masks['d']
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masks['e'] = &[5][]bool{
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{true, true, true, true, true},
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{true, false, false, false, false},
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{true, true, true, true, false},
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{true, false, false, false, false},
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{true, true, true, true, true},
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}
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masks['E'] = masks['e']
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masks['f'] = &[5][]bool{
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{true, true, true, true, true},
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{true, false, false, false, false},
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{true, true, true, true, false},
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{true, false, false, false, false},
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{true, false, false, false, false},
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}
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masks['F'] = masks['f']
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masks['g'] = &[5][]bool{
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{true, true, true, true, true},
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{true, false, false, false, false},
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{true, false, true, true, true},
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{true, false, false, false, true},
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{true, true, true, true, true},
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}
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masks['G'] = masks['g']
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masks['h'] = &[5][]bool{
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{true, false, false, false, true},
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{true, false, false, false, true},
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{true, true, true, true, true},
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{true, false, false, false, true},
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{true, false, false, false, true},
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}
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masks['H'] = masks['h']
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masks['i'] = &[5][]bool{
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{true, true, true, true, true},
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{false, false, true, false, false},
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{false, false, true, false, false},
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{false, false, true, false, false},
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{true, true, true, true, true},
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}
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masks['I'] = masks['i']
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masks['j'] = &[5][]bool{
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{true, true, true, true},
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{false, false, true, false},
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{false, false, true, false},
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{true, false, true, false},
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{true, true, true, false},
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}
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masks['J'] = masks['j']
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masks['k'] = &[5][]bool{
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{true, false, false, true},
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{true, false, true, false},
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{true, true, false, false},
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{true, false, true, false},
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{true, false, false, true},
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}
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masks['K'] = masks['k']
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masks['l'] = &[5][]bool{
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{true, false, false, false, false},
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{true, false, false, false, false},
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{true, false, false, false, false},
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{true, false, false, false, false},
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{true, true, true, true, true},
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}
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masks['L'] = masks['l']
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masks['m'] = &[5][]bool{
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{true, false, false, false, true},
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{true, true, false, true, true},
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{true, false, true, false, true},
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{true, false, false, false, true},
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{true, false, false, false, true},
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}
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masks['M'] = masks['m']
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masks['n'] = &[5][]bool{
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{true, false, false, false, true},
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{true, true, false, false, true},
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{true, false, true, false, true},
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{true, false, false, true, true},
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{true, false, false, false, true},
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}
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masks['N'] = masks['n']
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masks['o'] = &[5][]bool{
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{true, true, true, true, true},
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{true, false, false, false, true},
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{true, false, false, false, true},
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{true, false, false, false, true},
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{true, true, true, true, true},
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}
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masks['O'] = masks['o']
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masks['p'] = &[5][]bool{
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{true, true, true, true, true},
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{true, false, false, false, true},
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{true, true, true, true, true},
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{true, false, false, false, false},
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{true, false, false, false, false},
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}
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masks['P'] = masks['p']
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masks['q'] = &[5][]bool{
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{true, true, true, true, true},
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{true, false, false, false, true},
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{true, false, false, false, true},
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{true, false, false, true, true},
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{true, true, true, true, true},
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}
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masks['Q'] = masks['q']
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masks['r'] = &[5][]bool{
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{true, true, true, true, true},
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{true, false, false, false, true},
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{true, true, true, true, true},
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{true, false, false, true, false},
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{true, false, false, false, true},
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}
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masks['R'] = masks['r']
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masks['s'] = &[5][]bool{
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{true, true, true, true, true},
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{true, false, false, false, false},
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{true, true, true, true, true},
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{false, false, false, false, true},
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{true, true, true, true, true},
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}
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masks['S'] = masks['s']
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masks['t'] = &[5][]bool{
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{true, true, true, true, true},
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{false, false, true, false, false},
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{false, false, true, false, false},
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{false, false, true, false, false},
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{false, false, true, false, false},
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}
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masks['T'] = masks['t']
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masks['u'] = &[5][]bool{
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{true, false, false, false, true},
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{true, false, false, false, true},
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{true, false, false, false, true},
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{true, false, false, false, true},
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{true, true, true, true, true},
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}
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masks['U'] = masks['u']
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masks['v'] = &[5][]bool{
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{true, false, false, false, true},
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{true, false, false, false, true},
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{false, true, false, true, false},
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{false, true, false, true, false},
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{false, false, true, false, false},
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}
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masks['V'] = masks['v']
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masks['w'] = &[5][]bool{
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{true, false, false, false, true},
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{true, false, false, false, true},
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{true, false, false, false, true},
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{true, false, true, false, true},
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{true, true, false, true, true},
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}
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masks['W'] = masks['w']
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masks['x'] = &[5][]bool{
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{true, false, false, false, true},
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{false, true, false, true, false},
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{false, false, true, false, false},
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{false, true, false, true, false},
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{true, false, false, false, true},
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}
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masks['X'] = masks['x']
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masks['y'] = &[5][]bool{
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{true, false, false, false, true},
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{false, true, false, true, false},
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{false, false, true, false, false},
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{false, false, true, false, false},
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{false, false, true, false, false},
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}
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masks['Y'] = masks['y']
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masks['z'] = &[5][]bool{
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{true, true, true, true, true},
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{false, false, false, true, false},
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{false, false, true, false, false},
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{false, true, false, false, false},
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{true, true, true, true, true},
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}
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masks['Z'] = masks['z']
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masks[' '] = &[5][]bool{
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{false},
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{false},
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{false},
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{false},
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{false},
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}
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masks['.'] = &[5][]bool{
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{false},
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{false},
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{false},
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{false},
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{true},
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}
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masks['!'] = &[5][]bool{
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{true},
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{true},
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{true},
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{false},
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{true},
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}
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}
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3
go/patterns/patterns.go
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3
go/patterns/patterns.go
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package patterns
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type Colour [3]uint8
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59
go/patterns/scrolling_text.go
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59
go/patterns/scrolling_text.go
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package patterns
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type ScrollingText struct {
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Text string
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Colour Colour
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Background Colour
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initiated bool
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fullRender [][]Colour
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step int
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substep int
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}
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func (s *ScrollingText) Draw(width, height int) *[][]Colour {
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if !s.initiated {
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s.init(width, height)
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s.initiated = true
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}
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out := s.fullRender[s.step : s.step+width]
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s.substep++
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s.substep %= 12
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if s.substep == 0 {
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s.step++
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s.step %= len(s.fullRender) - width
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}
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return &out
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}
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func (s *ScrollingText) init(width, height int) {
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// add extra cells so it flows in from the right
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for i := 0; i < width-1; i++ {
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s.fullRender = append(s.fullRender, s.blankCol(height))
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}
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var c rune
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for _, c = range s.Text {
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subpattern := Character{Character: c, Colour: s.Colour, Background: s.Background}
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drawnSubpattern := subpattern.Draw(0, height)
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for _, v := range *drawnSubpattern {
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s.fullRender = append(s.fullRender, v)
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}
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s.fullRender = append(s.fullRender, s.blankCol(height))
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}
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// add extra cells to avoid overflow
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for i := 0; i < width-1; i++ {
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s.fullRender = append(s.fullRender, s.blankCol(height))
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}
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}
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func (s *ScrollingText) blankCol(height int) (col []Colour) {
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col = make([]Colour, height)
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for j := 0; j < height; j++ {
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col[j] = s.Background
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}
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return
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}
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16
go/patterns/solid_colour.go
Normal file
16
go/patterns/solid_colour.go
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package patterns
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type SolidColour struct {
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Colour
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}
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func (p *SolidColour) Draw(width, height int) *[][][3]uint8 {
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out := make([][][3]uint8, width)
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for i := 0; i < width; i++ {
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out[i] = make([][3]uint8, height)
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for j := 0; j < height; j++ {
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out[i][j] = p.Colour
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}
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}
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return &out
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}
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25
go/patterns/super_rgb.go
Normal file
25
go/patterns/super_rgb.go
Normal file
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package patterns
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type SuperRgb struct {
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Brightness uint8
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iteration int
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}
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func (p *SuperRgb) Draw(width, height int) *[][]Colour {
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out := make([][]Colour, width)
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for i := 0; i < width; i++ {
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out[i] = make([]Colour, height)
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for j := 0; j < height; j++ {
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switch (i + j + p.iteration/12) % 4 {
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case 0, 2:
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out[i][j] = [3]uint8{p.Brightness, 0, 0}
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case 1:
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out[i][j] = [3]uint8{0, p.Brightness, 0}
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case 3:
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out[i][j] = [3]uint8{0, 0, p.Brightness}
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}
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}
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}
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p.iteration++
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return &out
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}
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