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magiccube / src / main / java / org / distorted / objects / TwistyJing.java @ 91792184

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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2021 Leszek Koltunski                                                               //
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//                                                                                               //
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// This file is part of Magic Cube.                                                              //
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//                                                                                               //
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// Magic Cube is free software: you can redistribute it and/or modify                            //
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// it under the terms of the GNU General Public License as published by                          //
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// the Free Software Foundation, either version 2 of the License, or                             //
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// (at your option) any later version.                                                           //
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//                                                                                               //
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// Magic Cube 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                                 //
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// GNU General Public License for more details.                                                  //
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//                                                                                               //
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// You should have received a copy of the GNU General Public License                             //
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// along with Magic Cube.  If not, see <http://www.gnu.org/licenses/>.                           //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.objects;
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import android.content.res.Resources;
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import org.distorted.helpers.ObjectShape;
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import org.distorted.helpers.ObjectSticker;
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import org.distorted.helpers.ScrambleState;
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import org.distorted.library.main.DistortedEffects;
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import org.distorted.library.main.DistortedTexture;
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import org.distorted.library.mesh.MeshSquare;
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import org.distorted.library.type.Static3D;
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import org.distorted.library.type.Static4D;
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import org.distorted.main.R;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class TwistyJing extends TwistyObject
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{
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  static final Static3D[] ROT_AXIS = new Static3D[]
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         {
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           new Static3D(     0,-SQ3/3,-SQ6/3),
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           new Static3D(     0,-SQ3/3,+SQ6/3),
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           new Static3D(+SQ6/3,+SQ3/3,     0),
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           new Static3D(-SQ6/3,+SQ3/3,     0),
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         };
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  private static final int[] FACE_COLORS = new int[]
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         {
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           COLOR_GREEN , COLOR_YELLOW,
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           COLOR_BLUE  , COLOR_RED
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         };
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  static final float F = 0.24f;  // length of the edge of the corner cubit divided by
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                                 // the length of the edge of the whole tetrahedron.
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                                 // keep < 0.25.
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  private ScrambleState[] mStates;
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  private int[] mBasicAngle;
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  private int[] mRotQuat;
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  private Static4D[] mQuats;
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  private float[][] mCenters;
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  private int[][] mFaceMap;
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  private ObjectSticker[] mStickers;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  TwistyJing(int size, Static4D quat, DistortedTexture texture, MeshSquare mesh,
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             DistortedEffects effects, int[][] moves, Resources res, int scrWidth)
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    {
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    super(size, size, quat, texture, mesh, effects, moves, ObjectList.JING, res, scrWidth);
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  ScrambleState[] getScrambleStates()
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    {
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    if( mStates==null )
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      {
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      int[] tmp = {0,-1,0, 0,1,0, 1,-1,0, 1,1,0 };
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      mStates = new ScrambleState[]
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        {
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        new ScrambleState( new int[][] {tmp,tmp,tmp,tmp} )
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        };
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      }
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    return mStates;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private void initializeQuats()
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    {
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    mQuats = new Static4D[]
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         {
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         new Static4D(  0.0f,   0.0f,   0.0f,  1.0f),
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         new Static4D(  0.0f,   1.0f,   0.0f,  0.0f),
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         new Static4D( SQ2/2,   0.5f,   0.0f,  0.5f),
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         new Static4D(-SQ2/2,   0.5f,   0.0f,  0.5f),
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         new Static4D(  0.0f,  -0.5f, -SQ2/2,  0.5f),
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         new Static4D(  0.0f,  -0.5f,  SQ2/2,  0.5f),
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         new Static4D( SQ2/2,   0.5f,   0.0f, -0.5f),
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         new Static4D(-SQ2/2,   0.5f,   0.0f, -0.5f),
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         new Static4D(  0.0f,  -0.5f, -SQ2/2, -0.5f),
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         new Static4D(  0.0f,  -0.5f,  SQ2/2, -0.5f),
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         new Static4D( SQ2/2,   0.0f,  SQ2/2,  0.0f),
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         new Static4D(-SQ2/2,   0.0f,  SQ2/2,  0.0f)
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         };
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  int[] getSolvedQuats(int cubit, int numLayers)
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    {
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    if( mQuats==null ) initializeQuats();
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    int status = retCubitSolvedStatus(cubit,numLayers);
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    return status<0 ? null : buildSolvedQuats(MovementJing.FACE_AXIS[status],mQuats);
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  float[][] getCubitPositions(int size)
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    {
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    if( mCenters==null )
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      {
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      mCenters = new float[][]
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         {
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           { 0.000f, -SQ2/4, 0.500f },
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           { 0.000f, -SQ2/4,-0.500f },
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           {-0.500f,  SQ2/4, 0.000f },
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           { 0.500f,  SQ2/4, 0.000f },
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           { 0.000f, -SQ2/4, 0.000f },
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           {-0.250f, 0.000f, 0.250f },
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           { 0.250f, 0.000f, 0.250f },
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           {-0.250f, 0.000f,-0.250f },
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           { 0.250f, 0.000f,-0.250f },
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           { 0.000f,  SQ2/4, 0.000f },
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           { 0.000f, SQ2/12, 1.0f/6 },
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           { 0.000f, SQ2/12,-1.0f/6 },
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           {-1.0f/6,-SQ2/12, 0.000f },
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           { 1.0f/6,-SQ2/12, 0.000f },
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         };
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      }
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    return mCenters;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  Static4D[] getQuats()
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    {
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    if( mQuats==null ) initializeQuats();
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    return mQuats;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  int getNumFaces()
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    {
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    return FACE_COLORS.length;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  int getSolvedFunctionIndex()
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    {
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    return 0;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  int getNumStickerTypes(int numLayers)
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    {
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    return 3;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  float[][] getCuts(int size)
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    {
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    float[] cut = { (F-0.25f)*(SQ6/3) };
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    return new float[][] { cut,cut,cut,cut };
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  int getNumCubitFaces()
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    {
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    return 6;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  float getScreenRatio()
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    {
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    return 1.76f;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  boolean shouldResetTextureMaps()
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    {
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    return false;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  int getFaceColor(int cubit, int cubitface, int size)
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    {
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    if( mFaceMap==null )
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      {
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      // Colors of the faces of cubits.
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      // GREEN 0 YELLOW 1 BLUE  2 RED 3
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      // GREEN 4 YELLOW 5 BLUE  6 RED 7
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      // GREEN 8 YELLOW 9 BLUE 10 RED 11
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      mFaceMap = new int[][]
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         {
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           {  0,  3,  2, 12, 12, 12 },
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           {  1,  2,  3, 12, 12, 12 },
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           {  1,  0,  2, 12, 12, 12 },
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           {  1,  3,  0, 12, 12, 12 },
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           {  7,  6, 12, 12, 12, 12 },
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           {  4,  6, 12, 12, 12, 12 },
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           {  7,  4, 12, 12, 12, 12 },
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           {  5,  6, 12, 12, 12, 12 },
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           {  7,  5, 12, 12, 12, 12 },
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           {  4,  5, 12, 12, 12, 12 },
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           {  8, 12, 12, 12, 12, 12 },
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           {  9, 12, 12, 12, 12, 12 },
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           { 10, 12, 12, 12, 12, 12 },
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           { 11, 12, 12, 12, 12, 12 },
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         };
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      }
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    return mFaceMap[cubit][cubitface];
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  ObjectShape getObjectShape(int cubit, int numLayers)
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    {
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    int variant = getCubitVariant(cubit,numLayers);
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    final float X = F/2;
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    final float Y = F*SQ2/2;
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    final float Z =-F/2;
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    final float L = (1-3*F);
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    final float X2= L/2;
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    final float Y2= L*SQ2/2;
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    final float Z2=-L/2;
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    final float D = F/L;
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    if( variant==0 )
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      {
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      double[][] vertices = new double[][]
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          {
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             { 0.0, 0.0, 0.0 },
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             {   X,   Y,   Z },
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             { 0.0, 2*Y, 2*Z },
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             {  -X,   Y,   Z },
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             { 0.0, 0.0,    -F },
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             {   X,   Y,   Z-F },
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             { 0.0, 2*Y, 2*Z-F },
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             {  -X,   Y,   Z-F },
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          };
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      int[][] vert_indices = new int[][]
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          {
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             {0,1,2,3},
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             {1,0,4,5},
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             {7,4,0,3},
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             {1,5,6,2},
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             {7,3,2,6},
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             {4,7,6,5}
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          };
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      float[][] bands     = new float[][] { {0.015f,35,0.5f*F,F,5,1,1},{0.001f,35,0.5f*F,F,5,1,1} };
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      int[] bandIndices   = new int[] { 0,0,0,1,1,1 };
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      float[][] corners   = new float[][] { {0.08f,0.20f*F},{0.07f,0.20f*F} };
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      int[] cornerIndices = new int[] { 0,1,1,-1,1,-1,-1,-1 };
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      float[][] centers   = new float[][] { { 0.0f, F*SQ2/2, -F} };
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      int[] centerIndices = new int[] { 0,0,0,-1,0,-1,-1,-1 };
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      return new ObjectShape(vertices,vert_indices,bands,bandIndices,corners,cornerIndices,centers,centerIndices,getNumCubitFaces(), null);
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      }
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    else if( variant==1 )
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      {
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      double[][] vertices = new double[][]
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          {
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             { 0.0, 0.0,     0.5-F },
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             {   X,   Y,   Z+0.5-F },
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             { 0.0, 2*Y, 2*Z+0.5-F },
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             {  -X,   Y,   Z+0.5-F },
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             { 0.0, 0.0,    -0.5+F },
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             {   X,   Y,  -Z-0.5+F },
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             { 0.0, 2*Y,-2*Z-0.5+F },
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             {  -X,   Y,  -Z-0.5+F },
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          };
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      int[][] vert_indices = new int[][]
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          {
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             {0,4,5,1},
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             {3,7,4,0},
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             {0,1,2,3},
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             {4,7,6,5},
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             {1,5,6,2},
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             {2,6,7,3}
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          };
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      float[][] bands     = new float[][] { {0.015f,35,0.5f*F,F,5,1,1},{0.001f,35,0.5f*F,F,5,1,1} };
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      int[] bandIndices   = new int[] { 0,0,1,1,1,1 };
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      float[][] corners   = new float[][] { {0.07f,0.20f*F} };
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      int[] cornerIndices = new int[] { 0,0,-1,0,0,0,-1,0 };
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      float[][] centers   = new float[][] { { 0, F*SQ2/2, 0 } };
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      int[] centerIndices = new int[] { 0,0,-1,0,0,0,-1,0 };
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      return new ObjectShape(vertices,vert_indices,bands,bandIndices,corners,cornerIndices,centers,centerIndices,getNumCubitFaces(), null);
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      }
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    else
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      {
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      double[][] vertices = new double[][]
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          {
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             {    0.0,     -2*Y2/3,   -2*Z2/3 },
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             {      X2,       Y2/3,      Z2/3 },
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             {     -X2,       Y2/3,      Z2/3 },
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             {    0.0,     -2*Y2/3,-2*Z2/3+2*D*Z2 },
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             {  X2-D*X2, Y2/3-D*Y2, Z2/3+D*Z2 },
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             { -X2+D*X2, Y2/3-D*Y2, Z2/3+D*Z2 },
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          };
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      int[][] vert_indices = new int[][]
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          {
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             {0,1,2},
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             {3,5,4},
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             {0,3,4,1},
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             {5,3,0,2},
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             {4,5,2,1}
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          };
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      float[][] bands     = new float[][] { {0.020f,35,0.20f*(1-3*F),0.6f*(1-3*F),5,1,1}, {0.001f,35,0.05f*(1-3*F),0.1f*(1-3*F),5,1,1} };
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      int[] bandIndices   = new int[] { 0,1,1,1,1,1 };
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      float[][] corners   = new float[][] { {0.04f,0.15f} };
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      int[] cornerIndices = new int[] { 0,0,0,-1,-1,-1 };
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      float[][] centers   = new float[][] { { 0, -2*Y/3, 4*Z/3 } };
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      int[] centerIndices = new int[] { 0,0,0,-1,-1,-1 };
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      return new ObjectShape(vertices,vert_indices,bands,bandIndices,corners,cornerIndices,centers,centerIndices,getNumCubitFaces(), null);
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      }
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  Static4D getQuat(int cubit, int numLayers)
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    {
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    if( mQuats==null ) initializeQuats();
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    if( mRotQuat ==null ) mRotQuat = new int[] {0,1,2,7,0,2,7,6,3,10,0,1,3,5};
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    return mQuats[mRotQuat[cubit]];
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  int getNumCubitVariants(int numLayers)
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    {
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    return 3;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  int getCubitVariant(int cubit, int numLayers)
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    {
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    return cubit<4 ? 0 : (cubit<10?1:2);
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  int getColor(int face)
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    {
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    return FACE_COLORS[face];
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  ObjectSticker retSticker(int face)
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    {
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    if( mStickers==null )
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      {
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      float[][] STICKERS = new float[][]
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          {
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             { 0.0f, -0.5f, 0.28867516f, 0.0f, 0.0f, 0.5f, -0.28867516f, 0.0f },
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             { -0.5f, 0.11983269f, 0.27964598f, -0.43146032f, 0.3200817f, 0.007388768f, -0.09972769f, 0.30423886f },
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             { 0.0f, -0.5f, 0.43301272f, 0.25f, -0.43301272f, 0.25f },
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          };
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      mStickers = new ObjectSticker[STICKERS.length];
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      final float R1 = 0.05f;
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      final float R2 = 0.10f;
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      final float R3 = 0.03f;
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      final float[][] radii  = { { R1,R1,R1,R1 },{ R3,R3,R2,R2 },{ R1,R1,R1 } };
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      final float[] strokes = { 0.06f, 0.03f, 0.05f };
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      for(int s=0; s<STICKERS.length; s++)
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        {
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        mStickers[s] = new ObjectSticker(STICKERS[s],null,radii[s],strokes[s]);
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        }
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      }
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    return mStickers[face/NUM_FACES];
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// SQ6/3 = height of the tetrahedron
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  float returnMultiplier()
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    {
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    return getNumLayers()/(SQ6/3);
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// PUBLIC API
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  public Static3D[] getRotationAxis()
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    {
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    return ROT_AXIS;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  public int[] getBasicAngle()
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    {
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    if( mBasicAngle ==null ) mBasicAngle = new int[] { 3,3,3,3 };
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    return mBasicAngle;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  public int getObjectName(int numLayers)
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    {
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    return R.string.jing;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  public int getInventor(int numLayers)
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    {
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    return R.string.jing_inventor;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  public int getComplexity(int numLayers)
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    {
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    return 4;
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    }
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}