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minjaesong
2024-01-21 15:14:17 +09:00
parent d927d1d240
commit c00dd4e0bf
17 changed files with 114 additions and 9 deletions
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src/net/torvald/terrarum/audio/MixerTrackProcessor.kt
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@@ -144,7 +144,8 @@ class MixerTrackProcessor(bufferSize: Int, val rate: Int, val track: TerrarumAud
)
val isApproaching = if (distFromActorNext <= distFromActor) 1.0 else -1.0
val relativeSpeed = (sourceVec - listenerVec).magnitude * GAME_TO_SI_VELO * isApproaching
val dopplerFactor = (SPEED_OF_SOUND_AIR + relativeSpeed) / SPEED_OF_SOUND_AIR // >1: speedup, <1: speeddown
val soundSpeed = SPEED_OF_SOUND_AIR * 4f // using an arbitrary value for "gamification"
val dopplerFactor = (soundSpeed + relativeSpeed) / soundSpeed // >1: speedup, <1: speeddown
track.processor.streamBuf?.playbackSpeed = dopplerFactor.toFloat()