func main() {
wavF, err := ebitenutil.OpenFile("_resources/audio/jab.wav")
if err != nil {
log.Fatal(err)
}
oggF, err := ebitenutil.OpenFile("_resources/audio/ragtime.ogg")
if err != nil {
log.Fatal(err)
}
const sampleRate = 22050
const bytesPerSample = 4 // TODO: This should be defined in audio package
audioContext, err = audio.NewContext(sampleRate)
if err != nil {
log.Fatal(err)
}
go func() {
s, err := wav.Decode(audioContext, wavF)
if err != nil {
log.Fatal(err)
return
}
seCh <- s
close(seCh)
}()
go func() {
s, err := vorbis.Decode(audioContext, oggF)
if err != nil {
log.Fatal(err)
return
}
p, err := audio.NewPlayer(audioContext, s)
if err != nil {
log.Fatal(err)
return
}
musicCh <- &Player{
audioPlayer: p,
total: time.Second * time.Duration(s.Size()) / bytesPerSample / sampleRate,
}
close(musicCh)
// TODO: Is this goroutine-safe?
p.Play()
}()
if err := ebiten.Run(update, screenWidth, screenHeight, 2, "Audio (Ebiten Demo)"); err != nil {
log.Fatal(err)
}
if musicPlayer != nil {
if err := musicPlayer.close(); err != nil {
log.Fatal(err)
}
}
}
func parseFont() error {
f, err := ebitenutil.OpenFile("_resources/fonts/mplus-1p-regular.ttf")
if err != nil {
return err
}
defer func() {
_ = f.Close()
}()
b, err := ioutil.ReadAll(f)
if err != nil {
return err
}
tt, err := truetype.Parse(b)
if err != nil {
return err
}
w, h := textImage.Size()
dst := image.NewRGBA(image.Rect(0, 0, w, h))
const size = 24
const dpi = 72
d := &font.Drawer{
Dst: dst,
Src: image.White,
Face: truetype.NewFace(tt, &truetype.Options{
Size: size,
DPI: dpi,
Hinting: font.HintingFull,
}),
}
y := size
for _, s := range text {
d.Dot = fixed.P(0, y)
d.DrawString(s)
y += size
}
return textImage.ReplacePixels(dst.Pix)
}
func main() {
wavF, err := ebitenutil.OpenFile("_resources/audio/jab.wav")
if err != nil {
log.Fatal(err)
}
oggF, err := ebitenutil.OpenFile("_resources/audio/game.ogg")
if err != nil {
log.Fatal(err)
}
// This sample rate doesn't match with wav/ogg's sample rate,
// but decoders adjust them.
const sampleRate = 48000
const bytesPerSample = 4 // TODO: This should be defined in audio package
audioContext, err = audio.NewContext(sampleRate)
if err != nil {
log.Fatal(err)
}
go func() {
s, err := wav.Decode(audioContext, wavF)
if err != nil {
log.Fatal(err)
return
}
b, err := ioutil.ReadAll(s)
if err != nil {
log.Fatal(err)
return
}
seCh <- b
close(seCh)
}()
go func() {
s, err := vorbis.Decode(audioContext, oggF)
if err != nil {
log.Fatal(err)
return
}
p, err := audio.NewPlayer(audioContext, s)
if err != nil {
log.Fatal(err)
return
}
musicCh <- &Player{
audioPlayer: p,
total: time.Second * time.Duration(s.Size()) / bytesPerSample / sampleRate,
}
close(musicCh)
// TODO: Is this goroutine-safe?
if err := p.Play(); err != nil {
log.Fatal(err)
return
}
}()
if err := ebiten.Run(update, screenWidth, screenHeight, 2, "Audio (Ebiten Demo)"); err != nil {
log.Fatal(err)
}
if musicPlayer != nil {
if err := musicPlayer.close(); err != nil {
log.Fatal(err)
}
}
}