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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2016 Leszek Koltunski leszek@koltunski.pl //
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// //
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// This file is part of Distorted. //
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// //
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// This library is free software; you can redistribute it and/or //
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// modify it under the terms of the GNU Lesser General Public //
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// License as published by the Free Software Foundation; either //
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// version 2.1 of the License, or (at your option) any later version. //
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// //
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// This library is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU //
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// Lesser General Public License for more details. //
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// //
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// You should have received a copy of the GNU Lesser General Public //
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// License along with this library; if not, write to the Free Software //
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.library.type;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* A 4-dimensional data structure containing four floats. The floats have no particular meaning;
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* when this data structure is used in Dynamics, we can think of it as a 4-dimensional Point
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* a few of which the Dynamic interpolates between.
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*/
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public class Static4D extends Static implements Data4D
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{
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float x,y,z,w;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Constructor that initialises the value of the four floats to (vx,vy,vz,vw).
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*
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* @param vx value of the first float.
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* @param vy value of the second float.
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* @param vz value of the third float.
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* @param vw value of the fourth float.
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*/
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public Static4D(float vx, float vy, float vz, float vw)
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{
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super(4);
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x = vx;
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y = vy;
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z = vz;
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w = vw;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Copy constructor.
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*/
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public Static4D(Static4D sta)
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{
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super(4);
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x = sta.x;
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y = sta.y;
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z = sta.z;
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w = sta.w;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Reset the value of the floats to (vx,vy,vz,vw).
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*
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* @param vx new value of the first float
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* @param vy new value of the second float
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* @param vz new value of the third float
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* @param vw new value of the fourth float
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*/
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public void set(float vx, float vy, float vz, float vw)
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{
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x = vx;
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y = vy;
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z = vz;
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w = vw;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Copy a Static4D.
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*/
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public void set(Static4D s)
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{
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x = s.x;
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y = s.y;
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z = s.z;
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w = s.w;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Resets the value of the first float.
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*
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* @param ox new value of the first float.
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*/
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public void set0(float ox)
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{
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x = ox;
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}
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/**
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* Resets the value of the second float.
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*
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* @param oy new value of the second float.
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*/
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public void set1(float oy)
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{
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y = oy;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Resets the value of the third float.
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*
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* @param oz new value of the third float.
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*/
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public void set2(float oz)
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{
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z = oz;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Resets the value of the fourth float.
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*
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* @param ow new value of the fourth float.
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*/
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public void set3(float ow)
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{
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w = ow;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Return the value of the first float contained.
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*
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* @return The first float.
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*/
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public float get0()
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{
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return x;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Return the value of the second float contained.
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*
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* @return The second float.
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*/
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public float get1()
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{
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return y;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Return the value of the third float contained.
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*
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* @return The third float.
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*/
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public float get2()
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{
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return z;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Return the value of the fourth float contained.
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*
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* @return The fourth float.
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*/
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public float get3()
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{
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return w;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* 'Interpolation' between the single Point (i.e. always this very value) returned to the buffer.
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*
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* @param buffer Float buffer we will write the results to.
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* @param offset Offset in the buffer where to write the result.
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* @param time not used
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* @param step not used
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* @return <code>false</code>
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*/
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public boolean get(float[] buffer, int offset, long time, long step)
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{
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buffer[offset ] = x;
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buffer[offset+1] = y;
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buffer[offset+2] = z;
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buffer[offset+3] = w;
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return false;
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}
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}
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