59 lines
2.2 KiB
Java
59 lines
2.2 KiB
Java
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/*
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File: OrbitCalculator.java
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University of Applied Science Berne,HTA-Biel/Bienne,
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Computer Science Department.
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Diploma thesis J3D Solar System Simulator
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Originally written by Marcel Portner & Bernhard Hari (c) 2000
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CVS - Information :
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$Header: /var/cvsreps/projects/c450/2000/sss3d/source_diploma/sss3d/calculations/OrbitCalculator.java,v 1.4 2000/12/13 13:36:17 portm Exp $
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$Author: portm $
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$Date: 2000/12/13 13:36:17 $
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$State: Exp $
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*/
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package sss3d.calculations;
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import sss3d.contentbranch.CelestialObjectInfo;
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import javax.vecmath.*;
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/**
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* Abstract class that defines the skeleton for all used calculation
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* methods. At the moment we have implemented the ellipse equation method.
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* The method Kepler equation is not implemented yet.
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*
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* @author Marcel Portner & Bernhard Hari
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* @version $Revision: 1.4 $
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* @see sss3d.calculations.ellipseequation.EllipseEquation
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* @see sss3d.calculations.keplerequation.KeplerEquation
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*/
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abstract public class OrbitCalculator {
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/**
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* Returns the positions of the given object.
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*
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* @param objInfo Information about the object.
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* @param jDay calculates positions corresponding to the given julian day.
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* @param compressed true if the universe is logorithmic compressed or false if
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* it has the real proportion.
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* @return Point3f[] an array of vectors containing the positions.
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*/
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public abstract Point3f[] getPositions(CelestialObjectInfo objInfo, double jDay, boolean compressed);
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/**
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* Returns an array of positons for the given positions, based
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* on the given jDay.<br>
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* NOT IN USE AT THE MOMENT.
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*
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* @param objPos actual positions of the object.
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* @param jDay calculates positions corresponding to the given julian day.
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* @param compressed true if the universe is logorithmic compressed or false if
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* it has the real proportion.
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* @return Point3f[] an array of vectors containing the points
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*/
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public abstract Point3f[] updatePositions(Point3f[] objPos, double jDay, boolean compressed);
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}
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