curioustorvald/Terrarum
1
0
Fork 0
mirror of https://github.com/curioustorvald/Terrarum.git synced 2026-06-14 20:44:05 +09:00
Code Issues Packages Projects Releases Wiki Activity

hopefully 'correct' binopan

Browse Source
This commit is contained in:
minjaesong
2024-01-11 17:46:30 +09:00
parent 5973327ed6
commit 28edba9bb3
2 changed files with 53 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/net/torvald/terrarum/audio/MixerTrackProcessor.kt
View File

@@ -5,6 +5,7 @@ import net.torvald.reflection.forceInvoke
import net.torvald.terrarum.App
import net.torvald.terrarum.audio.dsp.BinoPan
import net.torvald.terrarum.audio.dsp.NullFilter
import net.torvald.terrarum.distBetweenActors
import net.torvald.terrarum.gameactors.ActorWithBody
import net.torvald.terrarum.relativeXposition
import net.torvald.terrarum.sqr
@@ -111,11 +112,13 @@ class MixerTrackProcessor(val buffertaille: Int, val rate: Int, val track: Terra
}
else if (track.trackingTarget is ActorWithBody) {
val relativeXpos = relativeXposition(AudioMixer.actorNowPlaying!!, track.trackingTarget as ActorWithBody)
track.volume = track.maxVolume * (1.0 - (relativeXpos.absoluteValue / distFalloff).pow(0.5)).coerceAtLeast(0.0)
val distFromActor = distBetweenActors(AudioMixer.actorNowPlaying!!, track.trackingTarget as ActorWithBody)
track.volume = track.maxVolume * getVolFun(distFromActor / distFalloff).coerceAtLeast(0.0)
(track.filters[0] as BinoPan).pan =
if (relativeXpos <= -distFalloff) -1f
else if (relativeXpos >= distFalloff) 1f
else ((2*asin(relativeXpos / distFalloff)) / Math.PI).toFloat()
// TODO lowpass filter by dist
}
}
}
@@ -234,6 +237,14 @@ class MixerTrackProcessor(val buffertaille: Int, val rate: Int, val track: Terra
// } // uncomment to multithread
}
// https://www.desmos.com/calculator/blcd4s69gl
private fun getVolFun(x: Double): Double {
// val K = 1.225
// fun q(x: Double) = if (x >= 1.0) 0.5 else (K*x - K).pow(2.0) + 0.5
// val x2 = x.pow(q(x))
return decibelsToFullscale(-20.0 * x)
}
private fun FloatArray.applyVolume(volume: Float) = FloatArray(this.size) { (this[it] * volume) }
/*private fun FloatArray.applyVolumeInline(volume: Float): FloatArray {
for (i in this.indices) {