/*
GeoGebra - Dynamic Mathematics for Everyone
http://www.geogebra.org
This file is part of GeoGebra.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation.
*/
/*
* AlgoCircleTwoPoints.java
*
* Created on 15. November 2001, 21:37
*/
package org.geogebra.common.kernel.algos;
import org.geogebra.common.kernel.Construction;
import org.geogebra.common.kernel.geos.GeoElement;
import org.geogebra.common.kernel.kernelND.GeoPointND;
import org.geogebra.common.kernel.kernelND.GeoQuadricND;
/**
*
* @author Markus + Mathieu
*/
public abstract class AlgoSphereNDTwoPoints extends AlgoElement {
private GeoPointND M, P; // input
private GeoQuadricND sphereND; // output
public AlgoSphereNDTwoPoints(Construction cons, GeoPointND M,
GeoPointND P) {
super(cons);
this.M = M;
this.P = P;
sphereND = createSphereND(cons);
setInputOutput(); // for AlgoElement
compute();
}
abstract protected GeoQuadricND createSphereND(Construction cons);
protected AlgoSphereNDTwoPoints(Construction cons, String label,
GeoPointND M, GeoPointND P) {
this(cons, M, P);
sphereND.setLabel(label);
}
// for AlgoElement
@Override
protected void setInputOutput() {
input = new GeoElement[2];
input[0] = (GeoElement) M;
input[1] = (GeoElement) P;
super.setOutputLength(1);
super.setOutput(0, sphereND);
setDependencies(); // done by AlgoElement
}
public GeoQuadricND getSphereND() {
return sphereND;
}
/**
* Method added for LocusEqu project.
*
* @return center of sphere.
*/
public GeoPointND getCenter() {
return this.getM();
}
protected GeoPointND getM() {
return M;
}
/**
* Method added for LocusEqu project.
*
* @return external point of sphere.
*/
public GeoPointND getExternalPoint() {
return this.getP();
}
protected GeoPointND getP() {
return P;
}
// compute circle with midpoint M and radius r
@Override
public final void compute() {
sphereND.setSphereND(M, P);
}
}