51 lines
1.7 KiB
Java
51 lines
1.7 KiB
Java
package com.hypixel.hytale.builtin.hytalegenerator.density.nodes;
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import com.hypixel.hytale.builtin.hytalegenerator.VectorUtil;
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import com.hypixel.hytale.builtin.hytalegenerator.density.Density;
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import com.hypixel.hytale.math.vector.Vector3d;
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import it.unimi.dsi.fastutil.doubles.Double2DoubleFunction;
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import javax.annotation.Nonnull;
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public class AxisDensity extends Density {
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public static final double ZERO_DELTA = 1.0E-9;
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private static final Vector3d ZERO_VECTOR = new Vector3d();
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@Nonnull
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private final Double2DoubleFunction distanceCurve;
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@Nonnull
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private final Vector3d axis;
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private final boolean isAnchored;
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public AxisDensity(@Nonnull Double2DoubleFunction distanceCurve, @Nonnull Vector3d axis, boolean isAnchored) {
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this.distanceCurve = distanceCurve;
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this.axis = axis;
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this.isAnchored = isAnchored;
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}
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@Override
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public double process(@Nonnull Density.Context context) {
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if (this.axis.length() == 0.0) {
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return 0.0;
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} else if (this.isAnchored) {
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return this.processAnchored(context);
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} else {
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double distance = VectorUtil.distanceToLine3d(context.position, ZERO_VECTOR, this.axis);
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return this.distanceCurve.get(distance);
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}
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}
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private double processAnchored(@Nonnull Density.Context context) {
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if (context == null) {
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return 0.0;
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} else {
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Vector3d anchor = context.densityAnchor;
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if (anchor == null) {
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return 0.0;
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} else {
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Vector3d position = context.position.clone().subtract(anchor);
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double distance = VectorUtil.distanceToLine3d(position, ZERO_VECTOR, this.axis);
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return this.distanceCurve.get(distance);
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}
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}
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}
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}
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