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Use ping-pong noise for erosion

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dfsek
2020-10-18 01:52:54 -07:00
parent 2741a761a0
commit c3d5b55dcc
3 changed files with 5 additions and 8 deletions
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9
src/main/java/com/dfsek/terra/biome/ErosionNoise.java
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@@ -8,11 +8,11 @@ import org.polydev.gaea.math.FastNoiseLite;
public class ErosionNoise {
private final double thresh;
private final FastNoiseLite noise;
public ErosionNoise(float freq1, double thresh, int octaves, long seed) {
public ErosionNoise(float freq1, double thresh, long seed) {
FastNoiseLite main = new FastNoiseLite((int) (seed+1));
main.setNoiseType(FastNoiseLite.NoiseType.OpenSimplex2);
main.setFractalType(FastNoiseLite.FractalType.FBm);
main.setFractalOctaves(octaves);
main.setFractalType(FastNoiseLite.FractalType.PingPong);
main.setFractalOctaves(1);
main.setFrequency(freq1);
this.thresh = thresh;
this.noise = main;
@@ -25,7 +25,6 @@ public class ErosionNoise {
* @return Whether location is eroded
*/
boolean isEroded(int x, int z) {
double abs = Math.pow(noise.getNoise(x, z), 2);
return abs < thresh;
return (noise.getNoise(x, z)+1)/2 <= thresh;
}
}