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examples/audioinfiniteloop: Use NewInfiniteLoopWithIntro

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Fixes #656
This commit is contained in:
Hajime Hoshi 2018-09-28 01:45:40 +09:00
parent 1a703ae34b
commit 56d8ce9935
1 changed files with 13 additions and 4 deletions
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17
examples/audioinfiniteloop/main.go
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@ -19,10 +19,11 @@ package main
import ( import (
"fmt" "fmt"
"log" "log"
"time"
"github.com/hajimehoshi/ebiten" "github.com/hajimehoshi/ebiten"
"github.com/hajimehoshi/ebiten/audio" "github.com/hajimehoshi/ebiten/audio"
"github.com/hajimehoshi/ebiten/audio/wav" "github.com/hajimehoshi/ebiten/audio/vorbis"
"github.com/hajimehoshi/ebiten/ebitenutil" "github.com/hajimehoshi/ebiten/ebitenutil"
raudio "github.com/hajimehoshi/ebiten/examples/resources/audio" raudio "github.com/hajimehoshi/ebiten/examples/resources/audio"
) )
@ -49,14 +50,14 @@ func update(screen *ebiten.Image) error {
if player == nil { if player == nil {
// Decode the wav file. // Decode the wav file.
// wavS is a decoded io.ReadCloser and io.Seeker. // wavS is a decoded io.ReadCloser and io.Seeker.
wavS, err := wav.Decode(audioContext, audio.BytesReadSeekCloser(raudio.Jab_wav)) oggS, err := vorbis.Decode(audioContext, audio.BytesReadSeekCloser(raudio.Ragtime_ogg))
if err != nil { if err != nil {
return err return err
} }
// Create an infinite loop stream from the decoded bytes. // Create an infinite loop stream from the decoded bytes.
// s is still an io.ReadCloser and io.Seeker. // s is still an io.ReadCloser and io.Seeker.
s := audio.NewInfiniteLoop(wavS, wavS.Length()) s := audio.NewInfiniteLoopWithIntro(oggS, 5*4*sampleRate, 4*4*sampleRate)
player, err = audio.NewPlayer(audioContext, s) player, err = audio.NewPlayer(audioContext, s)
if err != nil { if err != nil {
@ -71,7 +72,15 @@ func update(screen *ebiten.Image) error {
return nil return nil
} }
msg := fmt.Sprintf("FPS: %0.2f\nThis is an example using audio.NewInfiniteLoop.", ebiten.CurrentFPS()) pos := player.Current()
if pos > 5*time.Second {
pos = (player.Current()-5*time.Second)%(4*time.Second) + 5*time.Second
}
msg := fmt.Sprintf(`FPS: %0.2f
This is an example using audio.NewInfiniteLoop.
Intro: 0[s] - 5[s]
Loop: 5[s] - 9[s]
Current: %0.2f[s]`, ebiten.CurrentFPS(), float64(pos)/float64(time.Second))
ebitenutil.DebugPrint(screen, msg) ebitenutil.DebugPrint(screen, msg)
return nil return nil
} }