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rock vein

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This commit is contained in:
minjaesong
2023-11-15 14:58:42 +09:00
parent 996359c9c7
commit 95977050bf
3 changed files with 37 additions and 9 deletions
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1
src/net/torvald/terrarum/modulebasegame/worldgenerator/Oregen.kt
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@@ -133,6 +133,7 @@ class Oregen(world: GameWorld, private val caveAttenuateBiasScaledCache: ModuleC
it.setSource(orePerturb)
it.setScaleX(1.0 / xs)
it.setScaleZ(1.0 / xs)
it.setScaleY(1.0 / ys)
}

5
src/net/torvald/terrarum/modulebasegame/worldgenerator/Terragen.kt
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@@ -172,6 +172,8 @@ data class TerragenParams(
val caveBlockageFractalFreq: Double = 8.88,
val caveBlockageSelectThre: Double = 1.40, // adjust cave cloing-up strength. Larger = more closing
val rockBandCutoffFreq: Double = 4.0,
// val oreCopperFreq: Double = 0.024, // adjust the "density" of the ore veins
// val oreCopperPower: Double = 0.01, // super-low value almost negates the depth element
// val oreCopperScale: Double = 0.505,
@@ -185,4 +187,5 @@ data class TerragenParams(
// 0.1 - 0.5
// ...
// 0.8 - 0.42
)
) {
}

40
src/net/torvald/terrarum/tests/WorldgenNoiseSandbox.kt
View File

@@ -685,11 +685,11 @@ internal object TerragenTest : NoiseMaker {
Joise(generateOreVeinModule(caveAttenuateBiasScaledCache, seed shake "ores@basegame:7", 0.013, 0.300, 0.476, 1.0)),
Joise(generateOreVeinModule(caveAttenuateBiasScaledCache, seed shake "ores@basegame:8", 0.017, 0.020, 0.511, 1.0)),
Joise(generateRockLayer(groundScalingCached, seed shake 10, 2.6, 2.62)),
Joise(generateRockLayer(groundScalingCached, seed shake 10, params, 0.03, 2.6,)),
)
}
private fun generateRockLayer(ground: ModuleCache, seed: Long, rangeStart: Double, rangeEnd: Double): Module {
private fun generateRockLayer(ground: ModuleCache, seed: Long, params: TerragenParams, thickness: Double, rangeStart: Double): Module {
val thresholdLow = ModuleSelect().also {
it.setLowSource(0.0)
it.setHighSource(1.0)
@@ -702,20 +702,43 @@ internal object TerragenTest : NoiseMaker {
it.setLowSource(1.0)
it.setHighSource(0.0)
it.setControlSource(ground)
it.setThreshold(rangeEnd)
it.setThreshold(rangeStart + thickness)
it.setFalloff(0.0)
}
val band = ModuleCombiner().also {
val occlusion = ModuleFractal().also {
it.setType(ModuleFractal.FractalType.RIDGEMULTI)
it.setAllSourceBasisTypes(ModuleBasisFunction.BasisType.SIMPLEX)
it.setAllSourceInterpolationTypes(ModuleBasisFunction.InterpolationType.QUINTIC)
it.setNumOctaves(2)
it.setFrequency(params.rockBandCutoffFreq / params.featureSize) // adjust the "density" of the veins
it.seed = seed
}
val occlusionScale = ModuleScaleDomain().also {
it.setScaleX(0.5)
it.setScaleZ(0.5)
it.setSource(occlusion)
}
val occlusionBinary = ModuleSelect().also {
it.setLowSource(0.0)
it.setHighSource(1.0)
it.setControlSource(occlusionScale)
it.setThreshold(1.1)
it.setFalloff(0.0)
}
val occBand = ModuleCombiner().also {
it.setSource(0, thresholdLow)
it.setSource(1, thresholdHigh)
it.setSource(2, occlusionBinary)
it.setType(ModuleCombiner.CombinerType.MULT)
}
return band
// TODO combine another noise generator to cut off the otherwise continuous line of stone layer
return occBand
}
private fun applyPowMult(joiseModule: Module, pow: Double, mult: Double): Module {
@@ -781,6 +804,7 @@ internal object TerragenTest : NoiseMaker {
it.setSource(orePerturb)
it.setScaleX(1.0 / xs)
it.setScaleZ(1.0 / xs)
it.setScaleY(1.0 / ys)
}