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wtf was that

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minjaesong
2023-07-26 00:58:17 +09:00
parent 5495552db5
commit 2a62435712
3 changed files with 10 additions and 8 deletions
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7
src/net/torvald/terrarum/modulebasegame/clut/Skybox.kt
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@@ -11,6 +11,7 @@ import net.torvald.terrarum.App
import net.torvald.terrarum.App.printdbg
import net.torvald.terrarum.abs
import net.torvald.terrarum.modulebasegame.worldgenerator.HALF_PI
import java.lang.Math.pow
import kotlin.math.*
/**
@@ -103,8 +104,8 @@ object Skybox : Disposable {
// printdbg(this, "elev $elevationDeg turb $turbidity")
for (y in 0 until gradSize) {
var yf = (y.toDouble() / gradSize * 1.0).coerceIn(0.0, 1.0)
if (elevationDeg < 0) yf += (elevationDeg / 90.0)
var yf = (y + 0.5) / gradSize.toDouble()
if (elevationDeg < 0) yf *= 1.0 - pow(-elevationDeg / 90.0, 0.333)
val theta = yf.mapCircle() * HALF_PI
// vertical angle, where 0 is zenith, ±90 is ground (which is odd)
@@ -117,7 +118,7 @@ object Skybox : Disposable {
val rgb = xyz2.toRGB().toColor()
pixmap.setColor(rgb)
pixmap.drawPixel(0, gradSize - 1 - y)
pixmap.drawPixel(0, y)
}
val texture = Texture(pixmap).also {