octarine-noise
23 lines
996 B
Kotlin
23 lines
996 B
Kotlin
package mods.betterfoliage.util
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import net.minecraft.util.math.BlockPos
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import java.util.Random
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val random = Random(System.nanoTime())
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fun randomB() = random.nextBoolean()
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fun randomI(min: Int = 0, max: Int = Int.MAX_VALUE) = min + random.nextInt(max - min)
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fun randomF(min: Float = 0.0f, max: Float = 1.0f) = random.randomF(min, max)
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fun randomD(min: Double = 0.0, max: Double = 1.0) = random.randomD(min, max)
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fun Random.randomF(min: Float = 0.0f, max: Float = 1.0f) = nextFloat() * (max - min) + min
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fun Random.randomF(min: Double = 0.0, max: Double = 1.0) = randomF(min.toFloat(), max.toFloat())
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fun Random.randomD(min: Double = 0.0, max: Double = 1.0) = nextDouble() * (max - min) + min
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fun semiRandom(x: Int, y: Int, z: Int, seed: Int): Int {
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var value = (x * x + y * y + z * z + x * y + y * z + z * x + (seed * seed))
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value = (3 * x * value + 5 * y * value + 7 * z * value + (11 * seed))
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return value shr 4
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}
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fun BlockPos.semiRandom(seed: Int) = semiRandom(x, y, z, seed) |