kaze/orx
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Added partial port of fastnoise-java

Browse Source
This commit is contained in:
Edwin Jakobs
2018-12-05 16:07:28 +01:00
parent 0272c68e0f
commit 362c7a5889
13 changed files with 733 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
orx-noise/src/main/kotlin/ValueNoise2D.kt Normal file
View File

@@ -0,0 +1,21 @@
package org.openrndr.extra.noise
fun valueLinear(seed: Int, x:Double, y:Double) = value(seed, x, y, ::linear)
fun valueQuintic(seed: Int, x:Double, y:Double) = value(seed, x, y, ::quintic)
fun valueHermite(seed: Int, x:Double, y:Double) = value(seed, x, y, ::hermite)
inline fun value(seed: Int, x: Double, y: Double, crossinline interpolation: (Double) -> Double = ::linear): Double {
val x0 = x.fastFloor()
val y0 = y.fastFloor()
val x1 = x0 + 1
val y1 = y0 + 1
val xs = interpolation(x - x0)
val ys = interpolation(y - y0)
val xf0 = lerp(valCoord2D(seed, x0, y0), valCoord2D(seed, x1, y0), xs)
val xf1 = lerp(valCoord2D(seed, x0, y1), valCoord2D(seed, x1, y1), xs)
return lerp(xf0, xf1, ys)
}