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64 pixels for gradmap instead of 128

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minjaesong
2023-07-30 03:36:31 +09:00
parent 33a8112454
commit 91cf08e93a
1 changed files with 3 additions and 3 deletions
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6
src/net/torvald/terrarum/modulebasegame/clut/Skybox.kt
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@@ -21,7 +21,7 @@ import kotlin.math.*
*/
object Skybox : Disposable {
const val gradSize = 128
const val gradSize = 64
private val gradTexBinLowAlbedo: Array<Texture>
private val gradTexBinHighAlbedo: Array<Texture>
@@ -144,9 +144,9 @@ object Skybox : Disposable {
// printdbg(this, "elev $elevationDeg turb $turbidity")
for (yp in 0 until gradSize) {
val yi = yp - 6
val yi = yp - 3
val xf = -elevationDeg / 90.0
var yf = (yi / 116.0).coerceInSmoothly(0.0, 0.95)
var yf = (yi / 58.0).coerceInSmoothly(0.0, 0.95)
// experiments visualisation: https://www.desmos.com/calculator/5crifaekwa
// if (elevationDeg < 0) yf *= 1.0 - pow(xf, 0.333)