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magiccube / src / main / java / org / distorted / objects / TwistyMegaminx.java @ efa81f0c

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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2020 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.QuatHelper;
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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.Static4D;
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import org.distorted.main.R;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class TwistyMegaminx extends TwistyMinx
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{
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  static final float MEGA_D = 0.04f;
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  private int[] mQuatCenterIndices;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  TwistyMegaminx(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.MEGA, res, scrWidth);
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private void initializeCenterIndices()
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    {
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    mQuatCenterIndices = new int[] { 16, 18, 22,  1, 20, 13, 14, 15,  0, 12,  2,  3 };
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private int numCubitsPerCorner(int numLayers)
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    {
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    return 3*((numLayers-1)/2)*((numLayers-3)/2) + 1;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private int numCubitsPerEdge(int numLayers)
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    {
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    return numLayers-2;
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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 (numLayers+3)/2;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  float[][] getCuts(int numLayers)
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    {
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    float[][] cuts = new float[6][numLayers-1];
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    float D = numLayers*MovementMinx.DIST3D;
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    float E = 2*SIN54;
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    float X = 2*D*E/(1+2*E);  // height of the 'upper' part of a dodecahedron, i.e. put it on a table,
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                              // its height is then D*2*DIST3D, it has one 'lower' part of height X, one
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                              // 'middle' part of height Y and one upper part of height X again.
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                              // It's edge length = numLayers/3.0f.
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    int num = (numLayers-1)/2;
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    float G = X*(0.5f-MEGA_D)/num; // height of one Layer
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    for(int i=0; i<num; i++)
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      {
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      float cut = -D + (i+0.5f)*G;
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      int j = 2*num-1-i;
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      cuts[0][i] = +cut;
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      cuts[0][j] = -cut;
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      cuts[1][i] = +cut;
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      cuts[1][j] = -cut;
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      cuts[2][i] = +cut;
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      cuts[2][j] = -cut;
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      cuts[3][i] = +cut;
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      cuts[3][j] = -cut;
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      cuts[4][i] = +cut;
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      cuts[4][j] = -cut;
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      cuts[5][i] = +cut;
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      cuts[5][j] = -cut;
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      }
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    return cuts;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private float[] computeCenter(int center, int numLayers)
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    {
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    if( mCenterCoords==null ) initializeCenterCoords();
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    float[] coords = mCenterCoords[center];
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    float A = 0.33f*numLayers;
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    return new float[] { A*coords[0], A*coords[1], A*coords[2] };
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Fill out mCurrCorner{X,Y,Z} by applying appropriate Quat to mBasicCorner{X,Y,Z}
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// Appropriate one: QUATS[QUAT_INDICES[corner]].
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  private void computeBasicCornerVectors(int corner)
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    {
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    if( mQuatCornerIndices==null ) initializeQuatIndices();
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    if( mQuats==null ) initializeQuats();
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    if( mCurrCornerV==null || mBasicCornerV==null ) initializeCornerV();
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    Static4D quat = mQuats[mQuatCornerIndices[corner]];
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    mCurrCornerV[0] = QuatHelper.rotateVectorByQuat(mBasicCornerV[0],quat);
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    mCurrCornerV[1] = QuatHelper.rotateVectorByQuat(mBasicCornerV[1],quat);
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    mCurrCornerV[2] = QuatHelper.rotateVectorByQuat(mBasicCornerV[2],quat);
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private float[] computeCorner(int numCubitsPerCorner, int numLayers, int corner, int part)
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    {
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    if( mCorners==null ) initializeCorners();
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    if( mCurrCornerV==null || mBasicCornerV==null ) initializeCornerV();
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    float D = numLayers/3.0f;
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    float[] corn = mCorners[corner];
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    if( part==0 )
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      {
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      return new float[] { corn[0]*D, corn[1]*D, corn[2]*D };
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      }
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    else
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      {
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      float E = 2.0f*D*(0.5f-MEGA_D)/(0.5f*(numLayers-1));
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      int N = (numCubitsPerCorner-1)/3;
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      int block = (part-1) % N;
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      int index = (part-1) / N;
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      Static4D pri = mCurrCornerV[index];
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      Static4D sec = mCurrCornerV[(index+2)%3];
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      int layers= (numLayers-3)/2;
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      int multP = (block % layers) + 1;
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      int multS = (block / layers);
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      return new float[] {
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                          corn[0]*D + (pri.get0()*multP + sec.get0()*multS)*E,
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                          corn[1]*D + (pri.get1()*multP + sec.get1()*multS)*E,
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                          corn[2]*D + (pri.get2()*multP + sec.get2()*multS)*E
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                         };
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      }
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private int computeEdgeType(int cubit, int numCubitsPerCorner, int numCubitsPerEdge)
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    {
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    int part = (cubit - NUM_CORNERS*numCubitsPerCorner) % numCubitsPerEdge;
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    return (part+1)/2;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private float[] computeEdge(int numLayers, int edge, int part)
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    {
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    if( mCenterCoords==null ) initializeCenterCoords();
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    if( mCorners==null ) initializeCorners();
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    if( mEdgeMap==null ) initializeEdgeMap();
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    float D = numLayers/3.0f;
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    float[] c1 = mCorners[ mEdgeMap[edge][0] ];
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    float[] c2 = mCorners[ mEdgeMap[edge][1] ];
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    float x = D * (c1[0]+c2[0]) / 2;
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    float y = D * (c1[1]+c2[1]) / 2;
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    float z = D * (c1[2]+c2[2]) / 2;
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    if( part==0 )
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      {
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      return new float[] { x, y, z };
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      }
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    else
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      {
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      int mult = (part+1)/2;
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      int dir  = (part+1)%2;
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      float[] center = mCenterCoords[ mEdgeMap[edge][dir+2] ];
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      float vX = D*center[0] - x;
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      float vY = D*center[1] - y;
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      float vZ = D*center[2] - z;
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      float A = 3*mult*D*(0.5f-MEGA_D)*COS18/((numLayers-1)*0.5f);
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      A /= (float)Math.sqrt(vX*vX+vY*vY+vZ*vZ);
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      return new float[] { x+A*vX, y+A*vY, z+A*vZ };
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      }
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  float[][] getCubitPositions(int numLayers)
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    {
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    int numCubitsPerCorner = numCubitsPerCorner(numLayers);
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    int numCubitsPerEdge   = numCubitsPerEdge(numLayers);
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    int numCubits = NUM_CORNERS*numCubitsPerCorner + NUM_EDGES*numCubitsPerEdge + NUM_CENTERS;
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    int index=0;
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    final float[][] CENTERS = new float[numCubits][];
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    for(int corner=0; corner<NUM_CORNERS; corner++)
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      {
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      computeBasicCornerVectors(corner);
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      for(int part=0; part<numCubitsPerCorner; part++, index++)
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        {
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        CENTERS[index] = computeCorner(numCubitsPerCorner,numLayers,corner,part);
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        }
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      }
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    for(int edge=0; edge<NUM_EDGES; edge++)
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      {
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      for(int part=0; part<numCubitsPerEdge; part++, index++)
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        {
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        CENTERS[index] = computeEdge(numLayers, edge, part );
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        }
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      }
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    for(int center=0; center<NUM_CENTERS; center++, index++)
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      {
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      CENTERS[index] = computeCenter(center, numLayers);
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      }
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    return CENTERS;
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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  private int getQuat(int cubit, int numCubitsPerCorner, int numCubitsPerEdge)
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    {
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    if( mQuatCornerIndices==null || mQuatEdgeIndices==null ) initializeQuatIndices();
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    if( mQuatCenterIndices==null ) initializeCenterIndices();
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    if( cubit < NUM_CORNERS*numCubitsPerCorner )
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      {
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      int corner = cubit/numCubitsPerCorner;
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      return mQuatCornerIndices[corner];
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      }
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    if( cubit < NUM_CORNERS*numCubitsPerCorner + NUM_EDGES*numCubitsPerEdge )
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      {
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      int edge = (cubit-NUM_CORNERS*numCubitsPerCorner)/numCubitsPerEdge;
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      return mQuatEdgeIndices[edge];
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      }
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    int center = cubit - NUM_CORNERS*numCubitsPerCorner - NUM_EDGES*numCubitsPerEdge;
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    return mQuatCenterIndices[center];
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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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    int numVariants = getNumCubitVariants(numLayers);
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    if( variant==0 )
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      {
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      float width = numLayers*(0.5f-MEGA_D)/(0.5f*(numLayers-1));
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      float A = (2*SQ3/3)*SIN54;
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      float B = 0.4f;
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      double X = width*COS18*SIN_HALFD;
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      double Y = width*SIN18;
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      double Z = width*COS18*COS_HALFD;
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      int N = numLayers==3 ? 1:0;
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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-width, 0.0 },
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            {   X,   Y-width,  -Z },
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            { 0.0, 2*Y-width,-2*Z },
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            {  -X,   Y-width,  -Z },
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        };
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      int[][] vertIndexes = new int[][]
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        {
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            {4,5,1,0},
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            {7,4,0,3},
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            {0,1,2,3},
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            {4,5,6,7},
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            {6,5,1,2},
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            {7,6,2,3}
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        };
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      float[][] bands    = new float[][]
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        {
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         {0.04f,34,0.3f,0.2f, 3, N, 0},
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         {0.00f, 0,0.0f,0.0f, 2, N, 0}
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        };
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      int[] bandIndices   = new int[] { 0,0,0,1,1,1};
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      float[][] corners   = new float[][] { {0.04f,0.10f} };
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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, -(float)Math.sqrt(1-A*A)*B,-A*B} };
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      int[] centerIndices = new int[] { 0,-1,-1,-1,-1,-1,-1,-1 };
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      return new ObjectShape(vertices,vertIndexes,bands,bandIndices,corners,cornerIndices,centers,centerIndices,getNumCubitFaces(), null);
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      }
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    if( variant<numVariants-1 )
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      {
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      int numCubitsPerCorner = numCubitsPerCorner(numLayers);
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      int numCubitsPerEdge   = numCubitsPerEdge(numLayers);
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      int type = computeEdgeType(cubit,numCubitsPerCorner,numCubitsPerEdge);
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      float height= numLayers*(0.5f-MEGA_D)*COS18/((numLayers-1)*0.5f);
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      float width = numLayers*2*MEGA_D + 2*type*height*SIN18/COS18;
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      double W = width/2;
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      double X = height*SIN_HALFD;
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      double Y = height*SIN18/COS18;
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      double Z = height*COS_HALFD;
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      double[][] vertices = new double[][]
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        {
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            { 0.0,   W   , 0.0 },
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            {   X, W+Y   ,  -Z },
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            { 0.0, W+2*Y ,-2*Z },
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            {  -X, W+Y   ,  -Z },
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            { 0.0,  -W   , 0.0 },
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            {   X,-W-Y   ,  -Z },
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            { 0.0,-W-2*Y ,-2*Z },
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            {  -X,-W-Y   ,  -Z },
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        };
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      int[][] vertIndexes = new int[][]
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        {
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            {4,5,1,0},
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            {7,4,0,3},
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            {7,6,2,3},
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            {6,5,1,2},
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            {0,1,2,3},
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            {4,5,6,7}
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        };
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      int N = numLayers<=5 ? 5 : 3;
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      float[][] bands     = new float[][]
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        {
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         {0.04f,34,0.2f,0.2f,N,0,0},
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         {0.00f, 0,0.3f,0.2f,2,0,0}
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        };
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      int[] bandIndices   = new int[] { 0,0,1,1,1,1};
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      float[][] corners   = new float[][] { {0.04f,0.10f} };
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      int[] cornerIndices = new int[] { -1,-1,-1,-1, -1,-1,-1,-1 };
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      float[][] centers   = new float[][] { {0.0f, 0.0f, (float)(-2*Z)} };
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      int[] centerIndices = new int[] { -1,-1,-1,-1, -1,-1,-1,-1 };
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      return new ObjectShape(vertices,vertIndexes,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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      float width = 2*numLayers*(MEGA_D+(0.5f-MEGA_D)*SIN18);
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      final double V = 0.83;   // ??
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      final double ANGLE = V*Math.PI;
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      final double cosA  = Math.cos(ANGLE);
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      final double sinA  = Math.sin(ANGLE);
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      float R  = 0.5f*width/COS54;
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      float X1 = R*COS54;
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      float Y1 = R*SIN54;
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      float X2 = R*COS18;
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      float Y2 = R*SIN18;
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      double[][] vertices = new double[][]
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        {
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          {-X1,+Y1*sinA, Y1*cosA},
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          {-X2,-Y2*sinA,-Y2*cosA},
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          {0.0f,-R*sinA, -R*cosA},
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          {+X2,-Y2*sinA,-Y2*cosA},
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          {+X1,+Y1*sinA, Y1*cosA}
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        };
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      int[][] vertIndexes = new int[][]
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        {
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          {0,1,2,3,4},
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          {0,1,2,3,4}
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        };
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      int N = numLayers==3 ? 4 : 3;
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      float[][] bands = new float[][]
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        {
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         {0.04f,45, R/3,0.2f,N,0,0},
415
         {0.00f, 0, R/3,0.2f,2,0,0}
416 8e4a3670 Leszek Koltunski
        };
417
418
      int[] bandIndices   = new int[] { 0,1 };
419
      float[][] corners   = new float[][] { {0.04f,0.10f} };
420
      int[] cornerIndices = new int[] { -1,-1,-1,-1, -1 };
421
      float[][] centers   = new float[][] { {0.0f, 0.0f, 0.0f} };
422
      int[] centerIndices = new int[] { -1,-1,-1,-1, -1 };
423
424
      return new ObjectShape(vertices,vertIndexes,bands,bandIndices,corners,cornerIndices,centers,centerIndices,getNumCubitFaces(), null);
425
      }
426 bb11be2a Leszek Koltunski
    }
427
428 a64e07d0 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
429
430 3e605536 Leszek Koltunski
  Static4D getQuat(int cubit, int numLayers)
431 a64e07d0 Leszek Koltunski
    {
432 af0de0af Leszek Koltunski
    if( mQuats==null ) initializeQuats();
433 a64e07d0 Leszek Koltunski
    int numCubitsPerCorner = numCubitsPerCorner(numLayers);
434
    int numCubitsPerEdge   = numCubitsPerEdge(numLayers);
435 8e4a3670 Leszek Koltunski
436 af0de0af Leszek Koltunski
    return mQuats[getQuat(cubit,numCubitsPerCorner,numCubitsPerEdge)];
437 8e4a3670 Leszek Koltunski
    }
438
439
///////////////////////////////////////////////////////////////////////////////////////////////////
440
441 3e605536 Leszek Koltunski
  int getNumCubitVariants(int numLayers)
442 8e4a3670 Leszek Koltunski
    {
443 db608887 Leszek Koltunski
    int[] sizes = ObjectList.MEGA.getSizes();
444
    int variants = sizes.length;
445 a64e07d0 Leszek Koltunski
446 8e4a3670 Leszek Koltunski
    return 2+(sizes[variants-1]-1)/2;
447
    }
448
449
///////////////////////////////////////////////////////////////////////////////////////////////////
450 28b54fe3 Leszek Koltunski
451 8e4a3670 Leszek Koltunski
  int getCubitVariant(int cubit, int numLayers)
452
    {
453
    int numCubitsPerCorner = numCubitsPerCorner(numLayers);
454
455
    if( cubit<NUM_CORNERS*numCubitsPerCorner ) return 0;
456
457
    int numCubitsPerEdge   = numCubitsPerEdge(numLayers);
458
459
    if( cubit<NUM_CORNERS*numCubitsPerCorner + NUM_EDGES*numCubitsPerEdge )
460 a64e07d0 Leszek Koltunski
      {
461 d38f1397 Leszek Koltunski
      int type = computeEdgeType(cubit,numCubitsPerCorner,numCubitsPerEdge);
462 8e4a3670 Leszek Koltunski
      return type+1;
463
      }
464 d38f1397 Leszek Koltunski
465 8e4a3670 Leszek Koltunski
    int[] sizes = ObjectList.MEGA.getSizes();
466
    int variants = sizes.length;
467
    int numShapes = 2+(sizes[variants-1]-1)/2;
468 3d8237cc Leszek Koltunski
469 8e4a3670 Leszek Koltunski
    return numShapes-1;
470
    }
471
472 a64e07d0 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
473
474 d38f1397 Leszek Koltunski
  int getCornerColor(int cubit, int cubitface, int numLayers, int numCubitsPerCorner)
475 a64e07d0 Leszek Koltunski
    {
476 af0de0af Leszek Koltunski
    if( mCornerFaceMap==null ) initializeCornerFaceMap();
477 0e7a13b4 Leszek Koltunski
    if( cubitface<0 || cubitface>2 ) return NUM_TEXTURES;
478 6e7146df Leszek Koltunski
479
    int part  = cubit % numCubitsPerCorner;
480 a64e07d0 Leszek Koltunski
    int corner= cubit / numCubitsPerCorner;
481
482 6e7146df Leszek Koltunski
    if( part==0 )
483 a64e07d0 Leszek Koltunski
      {
484 6e7146df Leszek Koltunski
      return mCornerFaceMap[corner][cubitface];
485 a64e07d0 Leszek Koltunski
      }
486
    else
487
      {
488
      int N = (numCubitsPerCorner-1)/3;
489 6e7146df Leszek Koltunski
      int block = (part-1) % N;
490
      int index = (part-1) / N;
491 a64e07d0 Leszek Koltunski
492 0e7a13b4 Leszek Koltunski
      if( block< (numLayers-3)/2 )
493 a64e07d0 Leszek Koltunski
        {
494 6e7146df Leszek Koltunski
        switch(index)
495
          {
496 0e7a13b4 Leszek Koltunski
          case 0: return cubitface==1 ? NUM_TEXTURES : mCornerFaceMap[corner][cubitface];
497
          case 1: return cubitface==0 ? NUM_TEXTURES : mCornerFaceMap[corner][cubitface];
498
          case 2: return cubitface==2 ? NUM_TEXTURES : mCornerFaceMap[corner][cubitface];
499 6e7146df Leszek Koltunski
          }
500 a64e07d0 Leszek Koltunski
        }
501
      else
502
        {
503 6e7146df Leszek Koltunski
        switch(index)
504
          {
505 0e7a13b4 Leszek Koltunski
          case 0: return cubitface==0 ? mCornerFaceMap[corner][cubitface] : NUM_TEXTURES;
506
          case 1: return cubitface==2 ? mCornerFaceMap[corner][cubitface] : NUM_TEXTURES;
507
          case 2: return cubitface==1 ? mCornerFaceMap[corner][cubitface] : NUM_TEXTURES;
508 6e7146df Leszek Koltunski
          }
509 a64e07d0 Leszek Koltunski
        }
510
      }
511 6e7146df Leszek Koltunski
512 0e7a13b4 Leszek Koltunski
    return NUM_TEXTURES;
513 a64e07d0 Leszek Koltunski
    }
514
515 d38f1397 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
516
517 e4bf4d02 Leszek Koltunski
  int getEdgeColor(int edge, int cubitface, int numCubitsPerEdge)
518 d38f1397 Leszek Koltunski
    {
519 0e7a13b4 Leszek Koltunski
    if( cubitface<0 || cubitface>1 ) return NUM_TEXTURES;
520 d38f1397 Leszek Koltunski
521 e4bf4d02 Leszek Koltunski
    int part    = edge % numCubitsPerEdge;
522
    int variant = edge / numCubitsPerEdge;
523 af0de0af Leszek Koltunski
    if( mEdgeMap==null ) initializeEdgeMap();
524 d38f1397 Leszek Koltunski
525 abf36986 Leszek Koltunski
    return (part==0 || cubitface==((part+1)%2)) ? mEdgeMap[variant][cubitface+2] + ((part+3)/2)*NUM_FACE_COLORS : NUM_TEXTURES;
526 d38f1397 Leszek Koltunski
    }
527
528
///////////////////////////////////////////////////////////////////////////////////////////////////
529
530 e4bf4d02 Leszek Koltunski
  int getCenterColor(int center, int cubitface, int numLayers)
531 d38f1397 Leszek Koltunski
    {
532 abf36986 Leszek Koltunski
    return cubitface>0 ? NUM_TEXTURES : center + NUM_FACE_COLORS*(numLayers+1)/2;
533 d38f1397 Leszek Koltunski
    }
534
535
///////////////////////////////////////////////////////////////////////////////////////////////////
536
537
  int getFaceColor(int cubit, int cubitface, int numLayers)
538
    {
539
    int numCubitsPerCorner = numCubitsPerCorner(numLayers);
540
    int numCubitsPerEdge   = numCubitsPerEdge(numLayers);
541
542
    if( cubit < NUM_CORNERS*numCubitsPerCorner )
543
      {
544
      return getCornerColor(cubit,cubitface,numLayers,numCubitsPerCorner);
545
      }
546
    else if( cubit<NUM_CORNERS*numCubitsPerCorner + NUM_EDGES*numCubitsPerEdge )
547
      {
548 e4bf4d02 Leszek Koltunski
      int edge = cubit - NUM_CORNERS*numCubitsPerCorner;
549
      return getEdgeColor(edge,cubitface,numCubitsPerEdge);
550 d38f1397 Leszek Koltunski
      }
551
    else
552
      {
553 e4bf4d02 Leszek Koltunski
      int center = cubit-NUM_CORNERS*numCubitsPerCorner-NUM_EDGES*numCubitsPerEdge;
554
      return getCenterColor( center, cubitface, numLayers);
555 d38f1397 Leszek Koltunski
      }
556
    }
557
558 9c06394a Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
559
560
  ObjectSticker retSticker(int face)
561
    {
562 af0de0af Leszek Koltunski
    if( mStickers==null )
563
      {
564
      float[][] STICKERS = new float[][]
565
        {
566
          { -0.36327127f, -0.5f, 0.36327127f, -0.26393202f, 0.36327127f, 0.5f, -0.36327127f, 0.26393202f },
567
          { -0.5f, -0.0914315f, 0.5f, -0.4163512f, 0.5f, 0.4163512f, -0.5f, 0.0914315f },
568
          { -0.49233657f, -0.18006028f, 0.49233657f, -0.5f, 0.49233657f, 0.5f, -0.49233657f, 0.18006028f },
569
          { -0.3002273f, -0.30490047f, 0.3002273f, -0.5f, 0.3002273f, 0.5f, -0.3002273f, 0.30490047f },
570
          { -0.29389262f, 0.4045085f, -0.47552824f, -0.1545085f, 0.0f, -0.5f, 0.47552824f, -0.1545085f, 0.29389262f, 0.4045085f }
571
        };
572
573
      mStickers = new ObjectSticker[STICKERS.length];
574
575
      final float R0 = 0.08f;
576
      final float R1 = 0.12f;
577
      final float R2 = 0.12f;
578
      final float R3 = 0.08f;
579
      final float R4 = 0.10f;
580
      final float[][] radii = { {R0,R0,R0,R0},{R1,R1,R1,R1},{R2,R2,R2,R2},{R3,R3,R3,R3},{R4,R4,R4,R4,R4} };
581
      final float[] strokes = { 0.10f,0.12f,0.12f,0.08f,0.07f };
582
583
      for(int s=0; s<STICKERS.length; s++)
584
        {
585
        mStickers[s] = new ObjectSticker(STICKERS[s],null,radii[s],strokes[s]);
586
        }
587
      }
588
589 9c06394a Leszek Koltunski
    return mStickers[getStickerIndex(face)];
590
    }
591
592
///////////////////////////////////////////////////////////////////////////////////////////////////
593
594
  private int getStickerIndex(int face)
595
    {
596 abf36986 Leszek Koltunski
    int variant = face/NUM_FACE_COLORS;
597 ede1b68c Leszek Koltunski
598 9c06394a Leszek Koltunski
    if( variant==0 ) return 0;
599
600
    int numLayers = getNumLayers();
601
602
    if( variant < (numLayers+1)/2 )
603
      {
604
      if( numLayers==3 ) return 1;
605
      else
606 ede1b68c Leszek Koltunski
        {
607 9c06394a Leszek Koltunski
        if( variant==1 ) return 2;
608
        else             return 3;
609 ede1b68c Leszek Koltunski
        }
610
      }
611
612 9c06394a Leszek Koltunski
    return 4;
613 a64e07d0 Leszek Koltunski
    }
614
615
///////////////////////////////////////////////////////////////////////////////////////////////////
616
617
  public int getObjectName(int numLayers)
618
    {
619
    if( numLayers==3 ) return R.string.minx3;
620 f6e46300 Leszek Koltunski
    if( numLayers==5 ) return R.string.minx5;
621 a64e07d0 Leszek Koltunski
622
    return 0;
623
    }
624
625
///////////////////////////////////////////////////////////////////////////////////////////////////
626
627
  public int getInventor(int numLayers)
628
    {
629
    if( numLayers==3 ) return R.string.minx3_inventor;
630 f6e46300 Leszek Koltunski
    if( numLayers==5 ) return R.string.minx5_inventor;
631 a64e07d0 Leszek Koltunski
632
    return 0;
633
    }
634
635
///////////////////////////////////////////////////////////////////////////////////////////////////
636
637
  public int getComplexity(int numLayers)
638
    {
639
    if( numLayers==3 ) return 4;
640
641
    return 5;
642
    }
643
}