72 lines
2.1 KiB
Java
72 lines
2.1 KiB
Java
package ma2tetr.impl;
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import java.util.ArrayList;
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import java.util.List;
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import ma2tetr.api.ITetrahedronCoordCalculator;
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import ma2tetr.condition.RadiusCondition;
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import ma2tetr.condition.TetrahedronCondition;
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import ma2tetr.model.Coords3D;
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import ma2tetr.model.IterationState;
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import ma2tetr.model.Point3D;
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import ma2tetr.model.Tetrahedron;
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import ma2tetr.model.Vector3D;
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public class TetrahedronScalingCalculator implements ITetrahedronCoordCalculator {
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private double radius = 1.0;
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private Tetrahedron tetrahedron = null;
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private List<IterationState> log = new ArrayList<>();
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private double accuracy = 0.00000000001;
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@Override
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public void setRadius(double radius) {
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this.radius = radius;
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}
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@Override
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public void calculate() {
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Coords3D center = new Vector3D(0, 0, 0);
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tetrahedron = new Tetrahedron(new Point3D(0, radius, 0), accuracy);
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StateLogger logger = new StateLogger(center, tetrahedron.getPointsSet(), log);
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TetrahedronCondition tinv = new TetrahedronCondition(tetrahedron);
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tinv.setAccuracy(accuracy);
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RadiusCondition rinv = new RadiusCondition(tetrahedron.getPointsSet(), center, radius);
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rinv.setAccuracy(accuracy);
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double scaling = radius / 10;
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while(true) {
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tetrahedron.scale(scaling);
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if (!tinv.isFulfilled()) {
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throw new RuntimeException("Unexpected error");
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} else if (rinv.isFulfilled() || scaling < accuracy) {
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break;
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} else if (rinv.firstDifference() < 0) {
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tetrahedron.scale(-scaling);
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scaling = scaling / 10;
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}
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logger.logState();
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}
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}
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@Override
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public Tetrahedron getTetrahedron() {
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return this.tetrahedron;
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}
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@Override
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public double getRadius() {
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return this.radius;
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}
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@Override
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public List<IterationState> getStateLog() {
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return log;
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}
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@Override
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public void setAccuracy(double accuracy) {
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this.accuracy = accuracy;
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}
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}
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