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put lin-log scale conversion into separate functions

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minjaesong
2023-11-21 11:59:58 +09:00
parent 6229b0f60b
commit 1459fc5be9
2 changed files with 18 additions and 16 deletions
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6
src/net/torvald/terrarum/ui/BasicDebugInfoWindow.kt
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@@ -555,11 +555,7 @@ class BasicDebugInfoWindow : UICanvas() {
private fun drawFilterParam(batch: SpriteBatch, x: Int, y: Int, filter: TerrarumAudioFilter, track: TerrarumAudioMixerTrack) {
when (filter) {
is Lowpass -> {
// https://www.desmos.com/calculator/dmhve2awxm
val f = filter.cutoff
val b = ln(24 / 24000.0) / -1.0
val a = 24.0
val perc = (ln(f / a) / b).toFloat()
val perc = linToLogPerc(filter.cutoff, 24.0, 24000.0).toFloat()
batch.color = COL_METER_GRAD2
Toolkit.fillArea(batch, x.toFloat(), y.toFloat(), stripW * perc, 14f)
batch.color = COL_METER_GRAD