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ece1b58d
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Leszek Koltunski
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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 android.graphics.Canvas;
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import android.graphics.Paint;
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749ef882
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Leszek Koltunski
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import org.distorted.helpers.FactoryCubit;
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import org.distorted.helpers.FactorySticker;
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ece1b58d
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Leszek Koltunski
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import org.distorted.library.effect.MatrixEffectQuaternion;
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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.MeshBase;
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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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6fd4a72c
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Leszek Koltunski
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import org.distorted.main.R;
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ece1b58d
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Leszek Koltunski
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import java.util.Random;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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9c2f0c91
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Leszek Koltunski
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public class TwistyDiamond extends TwistyObject
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ece1b58d
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Leszek Koltunski
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{
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private static final int FACES_PER_CUBIT =8;
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// the four rotation axis of a Diamond. Must be normalized.
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static final Static3D[] ROT_AXIS = new Static3D[]
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{
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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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cc99cf91
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Leszek Koltunski
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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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ece1b58d
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Leszek Koltunski
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};
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925ed78f
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Leszek Koltunski
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private static final int[] BASIC_ANGLE = new int[] { 3,3,3,3 };
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ece1b58d
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Leszek Koltunski
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private static final int[] FACE_COLORS = new int[]
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{
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2ef489e2
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Leszek Koltunski
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COLOR_ORANGE, COLOR_VIOLET,
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COLOR_WHITE , COLOR_BLUE ,
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COLOR_YELLOW, COLOR_RED ,
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COLOR_GREEN , COLOR_GREY
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ece1b58d
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Leszek Koltunski
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};
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ab0c28f0
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Leszek Koltunski
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// All legal rotation quats of a Diamond: unit + three 180 deg turns + 8 generators
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ece1b58d
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Leszek Koltunski
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private static final Static4D[] QUATS = 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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ab0c28f0
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Leszek Koltunski
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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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ece1b58d
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Leszek Koltunski
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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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ab0c28f0
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Leszek Koltunski
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new Static4D( 0.0f, 0.5f, -SQ2/2, -0.5f )
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ece1b58d
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Leszek Koltunski
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};
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private static final float DIST = 0.50f;
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2ef489e2
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Leszek Koltunski
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private static final int[][] mFaceNeutralQuatIndex = new int[][]
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ece1b58d
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Leszek Koltunski
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{
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2ef489e2
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Leszek Koltunski
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{6,10},
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{4, 8},
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{7,11},
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{5, 9},
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{7,11},
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{5, 9},
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{6,10},
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{4, 8}
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ece1b58d
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Leszek Koltunski
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};
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68b5f9c5
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Leszek Koltunski
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private static final int[] mTetraToFaceMap = new int[] {1,2,3,0,5,6,7,4};
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31cd7256
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Leszek Koltunski
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private static final double[][] VERTICES_TETRA = new double[][]
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b1f2ccf5
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Leszek Koltunski
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{
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{-0.5, SQ2/4, 0.0},
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{ 0.5, SQ2/4, 0.0},
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{ 0.0,-SQ2/4, 0.5},
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{ 0.0,-SQ2/4,-0.5}
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};
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31cd7256
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Leszek Koltunski
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private static final int[][] VERT_INDEXES_TETRA = new int[][]
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b1f2ccf5
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Leszek Koltunski
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{
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{2,1,0}, // counterclockwise!
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{2,3,1},
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{3,2,0},
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{3,0,1}
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};
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31cd7256
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Leszek Koltunski
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private static final double[][] VERTICES_OCTA = new double[][]
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b1f2ccf5
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Leszek Koltunski
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{
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{ 0.5, 0.0, 0.5},
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{ 0.5, 0.0,-0.5},
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{-0.5, 0.0,-0.5},
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{-0.5, 0.0, 0.5},
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{ 0.0, SQ2/2, 0.0},
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{ 0.0,-SQ2/2, 0.0}
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};
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31cd7256
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Leszek Koltunski
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private static final int[][] VERT_INDEXES_OCTA = new int[][]
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b1f2ccf5
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Leszek Koltunski
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{
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{3,0,4}, // counterclockwise!
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{0,1,4},
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{1,2,4},
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{2,3,4},
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{5,0,3},
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{5,1,0},
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{5,2,1},
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{5,3,2}
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};
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31cd7256
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Leszek Koltunski
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private static final float[][] STICKERS = new float[][]
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{
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{ -0.4330127f, -0.25f, 0.4330127f, -0.25f, 0.0f, 0.5f }
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};
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private static MeshBase[] mMeshes;
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ece1b58d
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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9c2f0c91
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Leszek Koltunski
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TwistyDiamond(int size, Static4D quat, DistortedTexture texture,
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MeshSquare mesh, DistortedEffects effects, int[][] moves, Resources res, int scrWidth)
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147 |
ece1b58d
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Leszek Koltunski
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{
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db875721
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Leszek Koltunski
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super(size, size, quat, texture, mesh, effects, moves, ObjectList.DIAM, res, scrWidth);
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ece1b58d
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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float getScreenRatio()
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{
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ab0c28f0
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Leszek Koltunski
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return 0.65f;
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ece1b58d
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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Static4D[] getQuats()
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{
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return QUATS;
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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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boolean shouldResetTextureMaps()
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{
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return false;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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a64e07d0
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Leszek Koltunski
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int getNumStickerTypes(int numLayers)
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ece1b58d
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Leszek Koltunski
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{
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31cd7256
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Leszek Koltunski
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return STICKERS.length;
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ece1b58d
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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e6734aa9
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Leszek Koltunski
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float[][] getCuts(int numLayers)
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ece1b58d
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Leszek Koltunski
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{
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680f921e
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Leszek Koltunski
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if( numLayers<2 )
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{
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return null;
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}
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else
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{
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e6734aa9
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Leszek Koltunski
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float[][] cuts = new float[4][numLayers-1];
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68b5f9c5
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Leszek Koltunski
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float dist = SQ6*0.666f*DIST;
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680f921e
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Leszek Koltunski
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float cut = 0.5f*dist*(2-numLayers);
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for(int i=0; i<numLayers-1; i++)
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{
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e6734aa9
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Leszek Koltunski
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cuts[0][i] = cut;
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cuts[1][i] = cut;
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cuts[2][i] = cut;
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cuts[3][i] = cut;
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680f921e
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Leszek Koltunski
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cut += dist;
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}
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return cuts;
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}
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211 |
ece1b58d
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getNumCubitFaces()
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{
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return FACES_PER_CUBIT;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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222 |
680f921e
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Leszek Koltunski
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private int getNumOctahedrons(int layers)
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{
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return layers==1 ? 1 : 4*(layers-1)*(layers-1) + 2;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int getNumTetrahedrons(int layers)
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{
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return 4*layers*(layers-1);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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236 |
31cd7256
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Leszek Koltunski
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private int createOctaPositions(float[][] centers, int index, int layers, float height)
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237 |
680f921e
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Leszek Koltunski
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{
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float x = DIST*(layers-1);
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float z = DIST*(layers+1);
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for(int i=0; i<layers; i++, index++)
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{
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z -= 2*DIST;
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centers[index][0] = x;
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centers[index][1] = height;
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centers[index][2] = z;
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}
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for(int i=0; i<layers-1; i++, index++)
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{
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x -= 2*DIST;
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centers[index][0] = x;
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centers[index][1] = height;
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centers[index][2] = z;
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}
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for(int i=0; i<layers-1; i++, index++)
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{
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z += 2*DIST;
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centers[index][0] = x;
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centers[index][1] = height;
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centers[index][2] = z;
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}
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for(int i=0; i<layers-2; i++, index++)
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{
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x += 2*DIST;
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centers[index][0] = x;
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centers[index][1] = height;
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centers[index][2] = z;
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}
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return index;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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278 |
31cd7256
|
Leszek Koltunski
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private int createTetraPositions(float[][] centers, int index, int layers, float height)
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279 |
ece1b58d
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Leszek Koltunski
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{
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280 |
680f921e
|
Leszek Koltunski
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float x = DIST*(layers-1);
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float z = DIST*layers;
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for(int i=0; i<layers-1; i++, index++)
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{
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z -= 2*DIST;
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centers[index][0] = x;
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centers[index][1] = height;
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centers[index][2] = z;
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}
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x += DIST;
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z -= DIST;
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for(int i=0; i<layers-1; i++, index++)
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{
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x -= 2*DIST;
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centers[index][0] = x;
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centers[index][1] = height;
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centers[index][2] = z;
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}
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x -= DIST;
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z -= DIST;
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for(int i=0; i<layers-1; i++, index++)
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{
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z += 2*DIST;
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centers[index][0] = x;
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centers[index][1] = height;
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centers[index][2] = z;
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}
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x -= DIST;
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z += DIST;
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for(int i=0; i<layers-1; i++, index++)
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{
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318 |
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x += 2*DIST;
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centers[index][0] = x;
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centers[index][1] = height;
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centers[index][2] = z;
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}
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return index;
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}
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326 |
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///////////////////////////////////////////////////////////////////////////////////////////////////
|
328 |
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329 |
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float[][] getCubitPositions(int layers)
|
330 |
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{
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331 |
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int numO = getNumOctahedrons(layers);
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332 |
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int numT = getNumTetrahedrons(layers);
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333 |
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int index = 0;
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334 |
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float height = 0.0f;
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335 |
|
|
|
336 |
|
|
float[][] CENTERS = new float[numO+numT][3];
|
337 |
|
|
|
338 |
31cd7256
|
Leszek Koltunski
|
index = createOctaPositions(CENTERS,index,layers,height);
|
339 |
680f921e
|
Leszek Koltunski
|
|
340 |
|
|
for(int i=layers-1; i>0; i--)
|
341 |
|
|
{
|
342 |
|
|
height += SQ2*DIST;
|
343 |
31cd7256
|
Leszek Koltunski
|
index = createOctaPositions(CENTERS,index,i,+height);
|
344 |
|
|
index = createOctaPositions(CENTERS,index,i,-height);
|
345 |
680f921e
|
Leszek Koltunski
|
}
|
346 |
|
|
|
347 |
|
|
height = DIST*SQ2/2;
|
348 |
|
|
|
349 |
|
|
for(int i=layers; i>1; i--)
|
350 |
|
|
{
|
351 |
31cd7256
|
Leszek Koltunski
|
index = createTetraPositions(CENTERS,index,i,+height);
|
352 |
|
|
index = createTetraPositions(CENTERS,index,i,-height);
|
353 |
680f921e
|
Leszek Koltunski
|
height += SQ2*DIST;
|
354 |
|
|
}
|
355 |
|
|
|
356 |
ece1b58d
|
Leszek Koltunski
|
return CENTERS;
|
357 |
|
|
}
|
358 |
|
|
|
359 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
360 |
|
|
|
361 |
680f921e
|
Leszek Koltunski
|
private int retFaceTetraBelongsTo(int tetra, int numLayers)
|
362 |
ece1b58d
|
Leszek Koltunski
|
{
|
363 |
68b5f9c5
|
Leszek Koltunski
|
for(int i=numLayers-1; i>0; i--)
|
364 |
ece1b58d
|
Leszek Koltunski
|
{
|
365 |
68b5f9c5
|
Leszek Koltunski
|
if( tetra < 8*i ) return mTetraToFaceMap[tetra/i];
|
366 |
|
|
tetra -= 8*i;
|
367 |
680f921e
|
Leszek Koltunski
|
}
|
368 |
68b5f9c5
|
Leszek Koltunski
|
|
369 |
|
|
return -1;
|
370 |
680f921e
|
Leszek Koltunski
|
}
|
371 |
|
|
|
372 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
373 |
|
|
|
374 |
|
|
private Static4D getQuat(int cubit, int numLayers, int numO)
|
375 |
|
|
{
|
376 |
|
|
if( cubit<numO ) return QUATS[0];
|
377 |
|
|
|
378 |
|
|
switch( retFaceTetraBelongsTo(cubit-numO, numLayers) )
|
379 |
|
|
{
|
380 |
2ef489e2
|
Leszek Koltunski
|
case 0: return QUATS[0]; // unit quat
|
381 |
|
|
case 1: return new Static4D(0,-SQ2/2,0,SQ2/2); // 90 along Y
|
382 |
|
|
case 2: return QUATS[1]; // 180 along Y
|
383 |
|
|
case 3: return new Static4D(0,+SQ2/2,0,SQ2/2); // 90 along
|
384 |
|
|
case 4: return new Static4D(0, 0,1, 0); // 180 along Z
|
385 |
|
|
case 5: return new Static4D(SQ2/2, 0,SQ2/2,0); //
|
386 |
|
|
case 6: return new Static4D( 1,0,0, 0); // 180 along X
|
387 |
|
|
case 7: return new Static4D(-SQ2/2,0,SQ2/2,0); //
|
388 |
ece1b58d
|
Leszek Koltunski
|
}
|
389 |
|
|
|
390 |
|
|
return null;
|
391 |
|
|
}
|
392 |
|
|
|
393 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
394 |
|
|
|
395 |
a64e07d0
|
Leszek Koltunski
|
MeshBase createCubitMesh(int cubit, int numLayers)
|
396 |
ece1b58d
|
Leszek Koltunski
|
{
|
397 |
31cd7256
|
Leszek Koltunski
|
if( mMeshes==null )
|
398 |
|
|
{
|
399 |
|
|
FactoryCubit factory = FactoryCubit.getInstance();
|
400 |
|
|
factory.clear();
|
401 |
|
|
mMeshes = new MeshBase[2];
|
402 |
|
|
}
|
403 |
|
|
|
404 |
ece1b58d
|
Leszek Koltunski
|
MeshBase mesh;
|
405 |
680f921e
|
Leszek Koltunski
|
int numO = getNumOctahedrons(numLayers);
|
406 |
ece1b58d
|
Leszek Koltunski
|
|
407 |
680f921e
|
Leszek Koltunski
|
if( cubit<numO )
|
408 |
ece1b58d
|
Leszek Koltunski
|
{
|
409 |
31cd7256
|
Leszek Koltunski
|
if( mMeshes[0]==null )
|
410 |
|
|
{
|
411 |
|
|
float[][] bands = new float[][] { {0.05f,35,0.5f,0.8f,6,2,2} };
|
412 |
|
|
int[] bandIndexes = new int[] { 0,0,0,0,0,0,0,0 };
|
413 |
|
|
float[][] corners = new float[][] { {0.04f,0.20f} };
|
414 |
|
|
int[] cornerIndexes = new int[] { 0,0,0,0,0,0 };
|
415 |
b3c9061a
|
Leszek Koltunski
|
float[][] centers = new float[][] { {0.0f, 0.0f, 0.0f} };
|
416 |
|
|
int[] centerIndexes = new int[] { 0,0,0,0,0,0 };
|
417 |
31cd7256
|
Leszek Koltunski
|
|
418 |
|
|
FactoryCubit factory = FactoryCubit.getInstance();
|
419 |
|
|
|
420 |
|
|
factory.createNewFaceTransform(VERTICES_OCTA,VERT_INDEXES_OCTA);
|
421 |
|
|
mMeshes[0] = factory.createRoundedSolid(VERTICES_OCTA, VERT_INDEXES_OCTA,
|
422 |
|
|
bands, bandIndexes,
|
423 |
|
|
corners, cornerIndexes,
|
424 |
b3c9061a
|
Leszek Koltunski
|
centers, centerIndexes,
|
425 |
31cd7256
|
Leszek Koltunski
|
getNumCubitFaces() );
|
426 |
|
|
}
|
427 |
|
|
mesh = mMeshes[0].copy(true);
|
428 |
ece1b58d
|
Leszek Koltunski
|
}
|
429 |
|
|
else
|
430 |
|
|
{
|
431 |
31cd7256
|
Leszek Koltunski
|
if( mMeshes[1]==null )
|
432 |
|
|
{
|
433 |
|
|
float[][] bands = new float[][] { {0.05f,35,0.5f,0.8f,6,2,2} };
|
434 |
|
|
int[] bandIndexes = new int[] { 0,0,0,0 };
|
435 |
|
|
float[][] corners = new float[][] { {0.08f,0.15f} };
|
436 |
|
|
int[] cornerIndexes = new int[] { 0,0,0,0 };
|
437 |
b3c9061a
|
Leszek Koltunski
|
float[][] centers = new float[][] { {0.0f, 0.0f, 0.0f} };
|
438 |
|
|
int[] centerIndexes = new int[] { 0,0,0,0 };
|
439 |
31cd7256
|
Leszek Koltunski
|
|
440 |
|
|
FactoryCubit factory = FactoryCubit.getInstance();
|
441 |
|
|
|
442 |
|
|
factory.createNewFaceTransform(VERTICES_TETRA,VERT_INDEXES_TETRA);
|
443 |
|
|
mMeshes[1] = factory.createRoundedSolid(VERTICES_TETRA, VERT_INDEXES_TETRA,
|
444 |
|
|
bands, bandIndexes,
|
445 |
|
|
corners, cornerIndexes,
|
446 |
b3c9061a
|
Leszek Koltunski
|
centers, centerIndexes,
|
447 |
31cd7256
|
Leszek Koltunski
|
getNumCubitFaces() );
|
448 |
|
|
}
|
449 |
|
|
mesh = mMeshes[1].copy(true);
|
450 |
ece1b58d
|
Leszek Koltunski
|
}
|
451 |
|
|
|
452 |
680f921e
|
Leszek Koltunski
|
Static4D sQ = getQuat(cubit,numLayers,numO);
|
453 |
|
|
MatrixEffectQuaternion quat = new MatrixEffectQuaternion( sQ, new Static3D(0,0,0) );
|
454 |
ece1b58d
|
Leszek Koltunski
|
mesh.apply(quat,0xffffffff,0);
|
455 |
|
|
|
456 |
|
|
return mesh;
|
457 |
|
|
}
|
458 |
|
|
|
459 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
460 |
|
|
|
461 |
2ef489e2
|
Leszek Koltunski
|
int getFaceColor(int cubit, int cubitface, int size)
|
462 |
ece1b58d
|
Leszek Koltunski
|
{
|
463 |
2ef489e2
|
Leszek Koltunski
|
int numO = getNumOctahedrons(size);
|
464 |
680f921e
|
Leszek Koltunski
|
|
465 |
|
|
if( cubit<numO )
|
466 |
|
|
{
|
467 |
2ef489e2
|
Leszek Koltunski
|
int axis = 0;
|
468 |
|
|
int layer= 1;
|
469 |
|
|
|
470 |
|
|
switch(cubitface)
|
471 |
|
|
{
|
472 |
|
|
case 0: axis = 2; layer = 1; break;
|
473 |
|
|
case 1: axis = 0; layer = (1<<(size-1)); break;
|
474 |
|
|
case 2: axis = 3; layer = 1; break;
|
475 |
|
|
case 3: axis = 1; layer = (1<<(size-1)); break;
|
476 |
|
|
case 4: axis = 3; layer = (1<<(size-1)); break;
|
477 |
|
|
case 5: axis = 1; layer = 1; break;
|
478 |
|
|
case 6: axis = 2; layer = (1<<(size-1)); break;
|
479 |
|
|
case 7: axis = 0; layer = 1; break;
|
480 |
|
|
}
|
481 |
|
|
|
482 |
a4962b9c
|
Leszek Koltunski
|
return CUBITS[cubit].mRotationRow[axis] == layer ? cubitface : NUM_TEXTURES;
|
483 |
680f921e
|
Leszek Koltunski
|
}
|
484 |
|
|
else
|
485 |
|
|
{
|
486 |
a4962b9c
|
Leszek Koltunski
|
return cubitface>0 ? NUM_TEXTURES : retFaceTetraBelongsTo(cubit-numO, size);
|
487 |
680f921e
|
Leszek Koltunski
|
}
|
488 |
ece1b58d
|
Leszek Koltunski
|
}
|
489 |
|
|
|
490 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
491 |
|
|
|
492 |
ae755eda
|
Leszek Koltunski
|
void createFaceTexture(Canvas canvas, Paint paint, int face, int left, int top)
|
493 |
ece1b58d
|
Leszek Koltunski
|
{
|
494 |
76c2bd07
|
Leszek Koltunski
|
float R = 0.06f;
|
495 |
|
|
float S = 0.07f;
|
496 |
|
|
|
497 |
b89898c5
|
Leszek Koltunski
|
FactorySticker factory = FactorySticker.getInstance();
|
498 |
31cd7256
|
Leszek Koltunski
|
factory.drawRoundedPolygon(canvas, paint, left, top, STICKERS[0], S, FACE_COLORS[face], R);
|
499 |
ece1b58d
|
Leszek Koltunski
|
}
|
500 |
|
|
|
501 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
502 |
|
|
|
503 |
|
|
float returnMultiplier()
|
504 |
|
|
{
|
505 |
cc99cf91
|
Leszek Koltunski
|
return 1.5f;
|
506 |
ece1b58d
|
Leszek Koltunski
|
}
|
507 |
|
|
|
508 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
509 |
|
|
// PUBLIC API
|
510 |
|
|
|
511 |
|
|
public Static3D[] getRotationAxis()
|
512 |
|
|
{
|
513 |
|
|
return ROT_AXIS;
|
514 |
|
|
}
|
515 |
|
|
|
516 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
517 |
|
|
|
518 |
925ed78f
|
Leszek Koltunski
|
public int[] getBasicAngle()
|
519 |
ece1b58d
|
Leszek Koltunski
|
{
|
520 |
925ed78f
|
Leszek Koltunski
|
return BASIC_ANGLE;
|
521 |
ece1b58d
|
Leszek Koltunski
|
}
|
522 |
|
|
|
523 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
524 |
|
|
|
525 |
5043d5d0
|
Leszek Koltunski
|
public void randomizeNewScramble(int[][] scramble, Random rnd, int num)
|
526 |
ece1b58d
|
Leszek Koltunski
|
{
|
527 |
5043d5d0
|
Leszek Koltunski
|
if( num==0 )
|
528 |
ece1b58d
|
Leszek Koltunski
|
{
|
529 |
582617c1
|
Leszek Koltunski
|
scramble[num][0] = rnd.nextInt(NUM_AXIS);
|
530 |
ece1b58d
|
Leszek Koltunski
|
}
|
531 |
|
|
else
|
532 |
|
|
{
|
533 |
582617c1
|
Leszek Koltunski
|
int newVector = rnd.nextInt(NUM_AXIS -1);
|
534 |
5043d5d0
|
Leszek Koltunski
|
scramble[num][0] = (newVector>=scramble[num-1][0] ? newVector+1 : newVector);
|
535 |
ece1b58d
|
Leszek Koltunski
|
}
|
536 |
|
|
|
537 |
|
|
float rowFloat = rnd.nextFloat();
|
538 |
0203be88
|
Leszek Koltunski
|
int numLayers = getNumLayers();
|
539 |
ece1b58d
|
Leszek Koltunski
|
|
540 |
0203be88
|
Leszek Koltunski
|
for(int row=0; row<numLayers; row++)
|
541 |
ece1b58d
|
Leszek Koltunski
|
{
|
542 |
0203be88
|
Leszek Koltunski
|
if( rowFloat*numLayers <= row+1 )
|
543 |
bbc6471c
|
Leszek Koltunski
|
{
|
544 |
5043d5d0
|
Leszek Koltunski
|
scramble[num][1] = row;
|
545 |
bbc6471c
|
Leszek Koltunski
|
break;
|
546 |
|
|
}
|
547 |
ece1b58d
|
Leszek Koltunski
|
}
|
548 |
|
|
|
549 |
5043d5d0
|
Leszek Koltunski
|
switch( rnd.nextInt(2) )
|
550 |
|
|
{
|
551 |
|
|
case 0: scramble[num][2] = -1; break;
|
552 |
|
|
case 1: scramble[num][2] = 1; break;
|
553 |
|
|
}
|
554 |
ece1b58d
|
Leszek Koltunski
|
}
|
555 |
|
|
|
556 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
557 |
75a21cd6
|
Leszek Koltunski
|
// The Diamond is solved if and only if:
|
558 |
ece1b58d
|
Leszek Koltunski
|
//
|
559 |
2ef489e2
|
Leszek Koltunski
|
// 1) all octahedrons are rotated with the same quat
|
560 |
|
|
// 2) all tetrahedrons might be also optionally rotated by a 'face neutral' pair of quats
|
561 |
|
|
// (indexes of those are kept in the 'mFaceNeutralQuattIndex' table)
|
562 |
ad6f6f03
|
Leszek Koltunski
|
//
|
563 |
75a21cd6
|
Leszek Koltunski
|
// Note: this works for any size, because even if layers>3 - and then there are 'face-internal'
|
564 |
|
|
// octahedrons which, it would seem, can be rotated by those 'face neutral' pairs of quats - but
|
565 |
|
|
// in reality no, because if they were, the octahedrons would then not fit in the lattice...
|
566 |
ece1b58d
|
Leszek Koltunski
|
|
567 |
|
|
public boolean isSolved()
|
568 |
|
|
{
|
569 |
ab0c28f0
|
Leszek Koltunski
|
int q = CUBITS[0].mQuatIndex;
|
570 |
2ef489e2
|
Leszek Koltunski
|
int layers = getNumLayers();
|
571 |
|
|
int numO = getNumOctahedrons(layers);
|
572 |
ab0c28f0
|
Leszek Koltunski
|
|
573 |
2ef489e2
|
Leszek Koltunski
|
for(int i=1; i<numO; i++)
|
574 |
ad6f6f03
|
Leszek Koltunski
|
{
|
575 |
2ef489e2
|
Leszek Koltunski
|
if( CUBITS[i].mQuatIndex != q ) return false;
|
576 |
|
|
}
|
577 |
ad6f6f03
|
Leszek Koltunski
|
|
578 |
2ef489e2
|
Leszek Koltunski
|
int qI, q1Index, q2Index, face;
|
579 |
ad6f6f03
|
Leszek Koltunski
|
|
580 |
2ef489e2
|
Leszek Koltunski
|
for(int i=numO; i<NUM_CUBITS; i++)
|
581 |
|
|
{
|
582 |
|
|
face = retFaceTetraBelongsTo(i-numO,layers);
|
583 |
|
|
q1Index = mFaceNeutralQuatIndex[face][0];
|
584 |
|
|
q2Index = mFaceNeutralQuatIndex[face][1];
|
585 |
|
|
qI = CUBITS[i].mQuatIndex;
|
586 |
ad6f6f03
|
Leszek Koltunski
|
|
587 |
2ef489e2
|
Leszek Koltunski
|
if( qI != q && qI != mulQuat(q,q1Index) && qI != mulQuat(q,q2Index) ) return false;
|
588 |
ad6f6f03
|
Leszek Koltunski
|
}
|
589 |
|
|
|
590 |
2ef489e2
|
Leszek Koltunski
|
return true;
|
591 |
ece1b58d
|
Leszek Koltunski
|
}
|
592 |
|
|
|
593 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
594 |
ab0c28f0
|
Leszek Koltunski
|
// only needed for solvers - there are no Diamond solvers ATM
|
595 |
ece1b58d
|
Leszek Koltunski
|
|
596 |
|
|
public String retObjectString()
|
597 |
|
|
{
|
598 |
|
|
return "";
|
599 |
|
|
}
|
600 |
|
|
|
601 |
6fd4a72c
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
602 |
|
|
|
603 |
|
|
public int getObjectName(int numLayers)
|
604 |
|
|
{
|
605 |
2ef489e2
|
Leszek Koltunski
|
switch(numLayers)
|
606 |
|
|
{
|
607 |
|
|
case 2: return R.string.diam2;
|
608 |
|
|
case 3: return R.string.diam3;
|
609 |
|
|
}
|
610 |
|
|
|
611 |
|
|
return 0;
|
612 |
6fd4a72c
|
Leszek Koltunski
|
}
|
613 |
|
|
|
614 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
615 |
|
|
|
616 |
|
|
public int getInventor(int numLayers)
|
617 |
|
|
{
|
618 |
2ef489e2
|
Leszek Koltunski
|
switch(numLayers)
|
619 |
|
|
{
|
620 |
|
|
case 2: return R.string.diam2_inventor;
|
621 |
|
|
case 3: return R.string.diam3_inventor;
|
622 |
|
|
}
|
623 |
|
|
|
624 |
|
|
return 0;
|
625 |
6fd4a72c
|
Leszek Koltunski
|
}
|
626 |
|
|
|
627 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
628 |
|
|
|
629 |
|
|
public int getComplexity(int numLayers)
|
630 |
|
|
{
|
631 |
2ef489e2
|
Leszek Koltunski
|
switch(numLayers)
|
632 |
|
|
{
|
633 |
|
|
case 2: return 5;
|
634 |
|
|
case 3: return 7;
|
635 |
|
|
}
|
636 |
|
|
|
637 |
|
|
return 0;
|
638 |
6fd4a72c
|
Leszek Koltunski
|
}
|
639 |
ece1b58d
|
Leszek Koltunski
|
}
|