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Convert orx-shader-phrases and orx-noise to MPP

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This commit is contained in:
Edwin Jakobs
2021-06-24 13:31:27 +02:00
parent 6a45db4491
commit 1cf5c825d6
69 changed files with 813 additions and 741 deletions
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42
orx-noise/src/commonMain/kotlin/GaussianRandom.kt Normal file
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package org.openrndr.extra.noise
import org.openrndr.math.Vector2
import org.openrndr.math.Vector3
import org.openrndr.math.Vector4
import kotlin.math.ln
import kotlin.math.log
import kotlin.math.sqrt
import kotlin.random.Random
fun gaussian(mean: Double = 0.0, deviation: Double = 1.0, random: Random = Random.Default): Double {
var v1: Double
var v2: Double
var s: Double
do {
v1 = 2 * random.nextDouble() - 1
v2 = 2 * random.nextDouble() - 1
s = v1 * v1 + v2 * v2
} while (s >= 1 || s == 0.0)
val multiplier = sqrt(-2 * ln(s) / s)
return v1 * multiplier * deviation + mean
}
fun Double.Companion.gaussian(
mean: Double = 0.0,
deviation: Double = 1.0,
random: Random = Random.Default
): Double = org.openrndr.extra.noise.gaussian(mean, deviation, random)
fun Vector2.Companion.gaussian(mean: Vector2 = Vector2.ZERO, deviation: Vector2 = Vector2.ONE, random: Random = Random.Default): Vector2 {
return Vector2(gaussian(mean.x, deviation.x, random), gaussian(mean.y, deviation.y, random))
}
fun Vector3.Companion.gaussian(mean: Vector3 = Vector3.ZERO, deviation: Vector3 = Vector3.ONE, random: Random = Random.Default): Vector3 {
return Vector3(gaussian(mean.x, deviation.x, random), gaussian(mean.y, deviation.y, random), gaussian(mean.z, deviation.z, random))
}
fun Vector4.Companion.gaussian(mean: Vector4 = Vector4.ZERO, deviation: Vector4 = Vector4.ONE, random: Random = Random.Default): Vector4 {
return Vector4(gaussian(mean.x, deviation.x, random), gaussian(mean.y, deviation.y, random), gaussian(mean.z, deviation.z, random), gaussian(mean.w, deviation.w, random))
}