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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2019 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 TwistyPyraminx extends Twisty4
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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 ScrambleState[] mStates;
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private int[] mBasicAngle;
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private Static4D[] mQuats;
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private float[][] mCuts;
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private boolean[][] mLayerRotatable;
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private ObjectSticker[] mStickers;
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private Movement mMovement;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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TwistyPyraminx(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.PYRA, 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 numLayers = getNumLayers();
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initializeScrambleStates(numLayers);
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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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private int[][] generateState(int start, int end)
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{
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int len = end-start+1;
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int[] tmp = new int[6*len];
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for(int i=0; i<len; i++)
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{
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tmp[6*i ] = start;
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tmp[6*i+1] = -1;
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tmp[6*i+2] = start;
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tmp[6*i+3] = start;
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tmp[6*i+4] = +1;
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tmp[6*i+5] = start;
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start++;
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}
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return new int[][] {tmp,tmp,tmp,tmp};
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void initializeScrambleStates(int numLayers)
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{
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mStates = new ScrambleState[numLayers];
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for(int i=0; i<numLayers-1; i++)
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{
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mStates[i] = new ScrambleState( generateState(0,numLayers-1-i) );
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}
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mStates[numLayers-1] = new ScrambleState( generateState(1,numLayers-2) );
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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(MovementPyraminx.FACE_AXIS[status],mQuats);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void addTetrahedralLattice(int size, int index, float[][] pos)
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{
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final float DX = 1.0f;
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final float DY = SQ2/2;
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final float DZ = 1.0f;
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float startX = 0.0f;
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float startY =-DY*(size-1)/2;
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float startZ = DZ*(size-1)/2;
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for(int layer=0; layer<size; layer++)
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{
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float currX = startX;
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float currY = startY;
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for(int x=0; x<layer+1; x++)
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{
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float currZ = startZ;
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for(int z=0; z<size-layer; z++)
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{
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pos[index] = new float[] {currX,currY,currZ};
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index++;
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currZ -= DZ;
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}
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currX += DX;
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}
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startX-=DX/2;
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startY+=DY;
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startZ-=DZ/2;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// there are (n^3-n)/6 octahedrons and ((n+1)^3 - (n+1))/6 tetrahedrons
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float[][] getCubitPositions(int size)
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{
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int numOcta = (size-1)*size*(size+1)/6;
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int numTetra= size*(size+1)*(size+2)/6;
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float[][] ret = new float[numOcta+numTetra][];
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addTetrahedralLattice(size-1, 0,ret);
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addTetrahedralLattice(size ,numOcta,ret);
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return ret;
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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 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 1;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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float[][] getCuts(int numLayers)
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{
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if( mCuts==null )
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{
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mCuts = new float[4][numLayers-1];
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for(int i=0; i<numLayers-1; i++)
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{
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float cut = (1.0f+i-numLayers/4.0f)*(SQ6/3);
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mCuts[0][i] = cut;
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mCuts[1][i] = cut;
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mCuts[2][i] = cut;
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mCuts[3][i] = cut;
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}
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}
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return mCuts;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void getLayerRotatable(int numLayers)
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{
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if( mLayerRotatable==null )
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{
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int numAxis = ROT_AXIS.length;
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boolean[] tmp = new boolean[numLayers];
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for(int i=0; i<numLayers; i++) tmp[i] = true;
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mLayerRotatable = new boolean[numAxis][];
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for(int i=0; i<numAxis; i++) mLayerRotatable[i] = tmp;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getNumCubitFaces()
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{
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return 8;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int getNumOctahedrons(int numLayers)
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{
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return (numLayers-1)*numLayers*(numLayers+1)/6;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int faceColor(int cubit, int axis)
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{
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return CUBITS[cubit].mRotationRow[axis] == 1 ? axis : NUM_TEXTURES;
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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( cubit< (size-1)*size*(size+1)/6 )
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{
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switch( cubitface )
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{
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case 0: return faceColor(cubit,0);
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case 2: return faceColor(cubit,1);
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case 5: return faceColor(cubit,3);
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case 7: return faceColor(cubit,2);
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default:return NUM_TEXTURES;
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}
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}
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else
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{
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return cubitface<NUM_TEXTURES ? faceColor(cubit,cubitface) : NUM_TEXTURES;
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}
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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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if( variant==0 )
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{
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double[][] vertices = new double[][] { { 0.5,0.0,0.5},{ 0.5,0.0,-0.5},{-0.5,0.0,-0.5},{-0.5,0.0,0.5},{ 0.0,SQ2/2,0.0},{ 0.0,-SQ2/2,0.0} };
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int[][] vert_indices = new int[][] { {3,0,4},{0,1,4},{1,2,4},{2,3,4},{5,0,3},{5,1,0},{5,2,1},{5,3,2} };
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int N = numLayers==3? 6 : 5;
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int E = numLayers==3? 2 : 1;
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float[][] bands = new float[][] { {0.05f,35,0.5f,0.8f,N,E,E} };
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int[] bandIndices = new int[] { 0,0,0,0,0,0,0,0 };
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float[][] corners = new float[][] { {0.04f,0.20f} };
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int[] cornerIndices = new int[] { 0,0,0,0,0,0 };
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float[][] centers = new float[][] { {0.0f, 0.0f, 0.0f} };
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int[] centerIndices = new int[] { 0,0,0,0,0,0 };
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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[][] { {-0.5, SQ2/4, 0.0},{ 0.5, SQ2/4, 0.0},{ 0.0,-SQ2/4, 0.5},{ 0.0,-SQ2/4,-0.5} };
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int[][] vert_indices = new int[][] { {2,1,0},{3,0,1},{3,2,0},{2,3,1} };
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int N = numLayers==3? 6 : 5;
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int E = numLayers==3? 2 : 1;
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float[][] bands = new float[][] { {0.05f,35,0.5f,0.8f,N,E,E} };
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int[] bandIndices = new int[] { 0,0,0,0 };
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float[][] corners = new float[][] { {0.06f,0.15f} };
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int[] cornerIndices = new int[] { 0,0,0,0 };
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float[][] centers = new float[][] { {0.0f, 0.0f, 0.0f} };
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int[] centerIndices = new int[] { 0,0,0,0 };
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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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}
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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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return mQuats[0];
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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 2;
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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<getNumOctahedrons(numLayers) ? 0:1;
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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[][] { { -0.4330127f, -0.25f, 0.4330127f, -0.25f, 0.0f, 0.5f } };
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final float stroke = 0.08f;
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final float radius = 0.06f;
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final float[] radii= {radius,radius,radius};
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mStickers = new ObjectSticker[STICKERS.length];
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mStickers[0] = new ObjectSticker(STICKERS[0],null,radii,stroke);
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}
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return mStickers[face/NUM_FACE_COLORS];
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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 Movement getMovement()
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{
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if( mMovement==null )
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{
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int numLayers = getNumLayers();
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if( mCuts==null ) getCuts(numLayers);
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getLayerRotatable(numLayers);
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mMovement = new MovementPyraminx(mCuts,mLayerRotatable,numLayers);
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}
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return mMovement;
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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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switch(numLayers)
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{
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case 3: return R.string.pyra3;
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case 4: return R.string.pyra4;
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case 5: return R.string.pyra5;
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}
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return R.string.pyra3;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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412
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public int getInventor(int numLayers)
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{
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switch(numLayers)
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{
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case 3: return R.string.pyra3_inventor;
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case 4: return R.string.pyra4_inventor;
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case 5: return R.string.pyra5_inventor;
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}
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return R.string.pyra3_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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switch(numLayers)
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{
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case 3: return 4;
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case 4: return 6;
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case 5: return 8;
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433
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}
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return 4;
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}
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}
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