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Make FractalNoiseFunction impls support derivatives
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@ -7,11 +7,11 @@
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package com.dfsek.terra.addons.noise.samplers.noise.fractal;
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import com.dfsek.terra.addons.noise.samplers.noise.NoiseFunction;
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import com.dfsek.terra.addons.noise.samplers.noise.DerivativeNoiseFunction;
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import com.dfsek.terra.api.noise.NoiseSampler;
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public abstract class FractalNoiseFunction extends NoiseFunction {
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public abstract class FractalNoiseFunction extends DerivativeNoiseFunction {
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protected final NoiseSampler input;
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protected double fractalBounding = 1 / 1.75;
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protected int octaves = 3;
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@ -52,4 +52,19 @@ public abstract class FractalNoiseFunction extends NoiseFunction {
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public void setWeightedStrength(double weightedStrength) {
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this.weightedStrength = weightedStrength;
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}
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@Override
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public boolean isDifferentiable() {
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return false;
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}
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@Override
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public double[] getNoiseDerivativeRaw(long seed, double x, double y) {
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throw new UnsupportedOperationException("Implementation failed to check or set isDifferentiable correctly");
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}
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@Override
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public double[] getNoiseDerivativeRaw(long seed, double x, double y, double z) {
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throw new UnsupportedOperationException("Implementation failed to check or set isDifferentiable correctly");
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}
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}
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