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Fix NaN

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Astrash
2023-10-06 10:10:12 +11:00
parent 0ebbb62b40
commit d189ce832b
1 changed files with 8 additions and 3 deletions
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common/addons/config-noise-function/src/main/java/com/dfsek/terra/addons/noise/samplers/noise/PseudoErosionSampler.java
+8 -3
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@@ -13,6 +13,7 @@ import static com.dfsek.terra.addons.noise.samplers.noise.NoiseFunction.PRIME_X;
import static com.dfsek.terra.addons.noise.samplers.noise.NoiseFunction.PRIME_Y; import static com.dfsek.terra.addons.noise.samplers.noise.NoiseFunction.PRIME_Y;
import static com.dfsek.terra.addons.noise.samplers.noise.NoiseFunction.fastAbs; import static com.dfsek.terra.addons.noise.samplers.noise.NoiseFunction.fastAbs;
import static com.dfsek.terra.addons.noise.samplers.noise.NoiseFunction.fastFloor; import static com.dfsek.terra.addons.noise.samplers.noise.NoiseFunction.fastFloor;
import static com.dfsek.terra.addons.noise.samplers.noise.NoiseFunction.fastMin;
import static com.dfsek.terra.addons.noise.samplers.noise.NoiseFunction.fastRound; import static com.dfsek.terra.addons.noise.samplers.noise.NoiseFunction.fastRound;
import static com.dfsek.terra.addons.noise.samplers.noise.NoiseFunction.fastSqrt; import static com.dfsek.terra.addons.noise.samplers.noise.NoiseFunction.fastSqrt;
import static com.dfsek.terra.addons.noise.samplers.noise.NoiseFunction.hash; import static com.dfsek.terra.addons.noise.samplers.noise.NoiseFunction.hash;
@@ -280,7 +281,7 @@ public class PseudoErosionSampler implements NoiseSampler {
double distance = lineSdf2D(x, y, cellX, cellY, connectedCellX, connectedCellY); double distance = lineSdf2D(x, y, cellX, cellY, connectedCellX, connectedCellY);
// Set final return to the lowest computed distance // Set final return to the lowest computed distance
if(distance < finalDistance) finalDistance = distance; finalDistance = fastMin(finalDistance, distance);
} }
} }
@@ -296,10 +297,14 @@ public class PseudoErosionSampler implements NoiseSampler {
* Signed distance function of a line segment determined by two points * Signed distance function of a line segment determined by two points
*/ */
private static double lineSdf2D(double x, double y, double x1, double y1, double x2, double y2) { private static double lineSdf2D(double x, double y, double x1, double y1, double x2, double y2) {
double ldx = x1 - x2;
double ldy = y1 - y2;
double x1dx = x - x1; double x1dx = x - x1;
double y1dx = y - y1; double y1dx = y - y1;
if(x1 == x2 && y1 == y2) // If positions are the same just return distance from point
return fastSqrt(pow2(x1dx) + pow2(y1dx));
double ldx = x1 - x2;
double ldy = y1 - y2;
double x2dx = x - x2; double x2dx = x - x2;
double y2dx = y - y2; double y2dx = y - y2;
double lt = (ldy * y1dx + ldx * x1dx) / (pow2(ldy) + pow2(ldx)); // Position along line double lt = (ldy * y1dx + ldx * x1dx) / (pow2(ldy) + pow2(ldx)); // Position along line