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Make imagelib MathUtil

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Astrash
2023-05-01 13:10:58 +10:00
parent 622fed96e5
commit ff0985bd31
2 changed files with 12 additions and 4 deletions
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7
common/addons/library-image/src/main/java/com/dfsek/terra/addons/image/operator/DistanceTransform.java
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@@ -7,6 +7,9 @@ import com.dfsek.terra.addons.image.util.ColorUtil;
import com.dfsek.terra.addons.image.util.ColorUtil.Channel;
import com.dfsek.terra.api.noise.NoiseSampler;
import static com.dfsek.terra.addons.image.util.MathUtil.lerp;
/**
* Computes a 2D distance transform of a given image and stores the result in a 2D array of distances.
* Implementation based on the algorithm described in the paper
@@ -190,10 +193,6 @@ public class DistanceTransform {
this.maxDistance = maxDistance;
}
private static double lerp(double x, double x1, double y1, double x2, double y2) {
return (((y1-y2)*(x-x1))/(x1-x2))+y1;
}
public enum CostFunction {
Channel,
Threshold,

9
common/addons/library-image/src/main/java/com/dfsek/terra/addons/image/util/MathUtil.java Normal file
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@@ -0,0 +1,9 @@
package com.dfsek.terra.addons.image.util;
public class MathUtil {
private MathUtil() {}
public static double lerp(double x, double x1, double y1, double x2, double y2) {
return (((y1-y2)*(x-x1))/(x1-x2))+y1;
}
}