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examples/audioinfiniteloop: Refactoring: Remove magic numbers

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This commit is contained in:
Hajime Hoshi 2018-09-28 01:52:30 +09:00
parent 56d8ce9935
commit d243957ab1
1 changed files with 7 additions and 4 deletions
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11
examples/audioinfiniteloop/main.go
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@ -32,6 +32,9 @@ const (
screenWidth = 320
screenHeight = 240
sampleRate = 44100
introLengthInSecond = 5
loopLengthInSecond = 4
)
var audioContext *audio.Context
@ -57,7 +60,7 @@ func update(screen *ebiten.Image) error {
// Create an infinite loop stream from the decoded bytes.
// s is still an io.ReadCloser and io.Seeker.
s := audio.NewInfiniteLoopWithIntro(oggS, 5*4*sampleRate, 4*4*sampleRate)
s := audio.NewInfiniteLoopWithIntro(oggS, introLengthInSecond*4*sampleRate, loopLengthInSecond*4*sampleRate)
player, err = audio.NewPlayer(audioContext, s)
if err != nil {
@ -78,9 +81,9 @@ func update(screen *ebiten.Image) error {
}
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))
Intro: 0[s] - %[2]d[s]
Loop: %[2]d[s] - %[3]d[s]
Current: %0.2[4]f[s]`, ebiten.CurrentFPS(), introLengthInSecond, introLengthInSecond+loopLengthInSecond, float64(pos)/float64(time.Second))
ebitenutil.DebugPrint(screen, msg)
return nil
}