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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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Leszek Koltunski
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// along with Magic Cube. If not, see <http://www.gnu.org/licenses/>. //
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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Leszek Koltunski
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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.FactoryCubit;
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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.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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import org.distorted.main.R;
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import java.util.Random;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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class TwistyCube extends TwistyObject
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{
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// the three rotation axis of a RubikCube. Must be normalized.
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static final Static3D[] ROT_AXIS = new Static3D[]
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{
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new Static3D(1,0,0),
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new Static3D(0,1,0),
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new Static3D(0,0,1)
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};
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private static final int[] BASIC_ANGLE = new int[] { 4,4,4 };
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private static final int[] FACE_COLORS = new int[]
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{
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COLOR_YELLOW, COLOR_WHITE,
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COLOR_BLUE , COLOR_GREEN,
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COLOR_RED , COLOR_ORANGE
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};
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// All legal rotation quats of a RubikCube of any size.
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// Here's how to compute this:
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// 1) compute how many rotations there are (RubikCube of any size = 24)
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// 2) take the AXIS, angles of rotation (90 in RubikCube's case) compute the basic quaternions
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// (i.e. rotations of 1 basic angle along each of the axis) and from there start semi-randomly
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// multiplying them and eventually you'll find all (24) legal rotations.
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// Example program in C, res/raw/compute_quats.c , is included.
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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( 1.0f, 0.0f, 0.0f, 0.0f),
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new Static4D( 0.0f, 1.0f, 0.0f, 0.0f),
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new Static4D( 0.0f, 0.0f, 1.0f, 0.0f),
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new Static4D( SQ2/2, SQ2/2, 0.0f , 0.0f),
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new Static4D( SQ2/2, -SQ2/2, 0.0f , 0.0f),
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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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new Static4D( SQ2/2, 0.0f, 0.0f, SQ2/2),
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new Static4D( SQ2/2, 0.0f, 0.0f, -SQ2/2),
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new Static4D( 0.0f, SQ2/2, SQ2/2, 0.0f),
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new Static4D( 0.0f, SQ2/2, -SQ2/2, 0.0f),
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new Static4D( 0.0f, SQ2/2, 0.0f, SQ2/2),
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new Static4D( 0.0f, SQ2/2, 0.0f, -SQ2/2),
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new Static4D( 0.0f, 0.0f, SQ2/2, SQ2/2),
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new Static4D( 0.0f, 0.0f, SQ2/2, -SQ2/2),
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new Static4D( 0.5f, 0.5f, 0.5f, 0.5f),
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new Static4D( 0.5f, 0.5f, -0.5f, 0.5f),
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new Static4D( 0.5f, 0.5f, -0.5f, -0.5f),
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new Static4D( 0.5f, -0.5f, 0.5f, -0.5f),
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new Static4D( -0.5f, -0.5f, -0.5f, 0.5f),
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new Static4D( -0.5f, 0.5f, -0.5f, -0.5f),
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new Static4D( -0.5f, 0.5f, 0.5f, -0.5f),
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new Static4D( -0.5f, 0.5f, 0.5f, 0.5f)
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};
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private static final double[][] VERTICES = new double[][]
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{
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{ 0.5, 0.5, 0.5 },
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{ 0.5, 0.5,-0.5 },
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{ 0.5,-0.5, 0.5 },
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{ 0.5,-0.5,-0.5 },
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{-0.5, 0.5, 0.5 },
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{-0.5, 0.5,-0.5 },
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{-0.5,-0.5, 0.5 },
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{-0.5,-0.5,-0.5 },
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};
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private static final int[][] VERT_INDEXES = new int[][]
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{
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{2,3,1,0}, // counterclockwise!
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{7,6,4,5},
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{4,0,1,5},
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{7,3,2,6},
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{6,2,0,4},
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{3,7,5,1}
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};
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private static final float[][] STICKERS = new float[][]
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{
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{ -0.5f, -0.5f, 0.5f, -0.5f, 0.5f, 0.5f, -0.5f, 0.5f }
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};
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private static final ObjectSticker[] mStickers;
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static
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{
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final float radius = 0.10f;
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final float stroke = 0.08f;
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final float[] radii = {radius,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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///////////////////////////////////////////////////////////////////////////////////////////////////
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TwistyCube(int size, Static4D quat, DistortedTexture texture,
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MeshSquare mesh, 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.CUBE, res, scrWidth);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private Static4D getQuat(int cubit, int numLayers)
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{
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return QUATS[0];
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int getNumCubitVariants(int numLayers)
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{
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return 1;
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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 0;
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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 extraI, extraV, num;
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float height;
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switch(numLayers)
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{
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case 2 : num = 6; extraI = 2; extraV = 2; height = 0.045f; break;
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case 3 : num = 5; extraI = 2; extraV = 2; height = 0.045f; break;
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case 4 : num = 5; extraI = 1; extraV = 1; height = 0.045f; break;
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default: num = 5; extraI = 0; extraV = 0; height = 0.045f; break;
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}
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float[][] bands = new float[][] { {height,35,0.5f,0.7f,num,extraI,extraV} };
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int[] bandIndices = new int[] { 0,0,0,0,0,0};
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float[][] corners = new float[][] { {0.036f,0.12f} };
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int[] cornerIndices = new int[] { 0,0,0,0,0,0,0,0 };
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float[][] centers = new float[][] { {0.0f, 0.0f, 0.0f} };
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int[] centerIndices = new int[] { 0,0,0,0,0,0,0,0 };
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return new ObjectShape(VERTICES,VERT_INDEXES,bands,bandIndices,corners,cornerIndices,centers,centerIndices,getNumCubitFaces(), null);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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MeshBase createCubitMesh(int cubit, int numLayers)
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{
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int variant = getCubitVariant(cubit,numLayers);
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if( mMeshes==null )
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{
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FactoryCubit factory = FactoryCubit.getInstance();
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factory.clear();
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mMeshes = new MeshBase[getNumCubitVariants(numLayers)];
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}
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if( mMeshes[variant]==null )
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{
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ObjectShape shape = getObjectShape(cubit,numLayers);
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FactoryCubit factory = FactoryCubit.getInstance();
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factory.createNewFaceTransform(shape);
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mMeshes[variant] = factory.createRoundedSolid(shape);
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}
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MeshBase mesh = mMeshes[variant].copy(true);
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MatrixEffectQuaternion quat = new MatrixEffectQuaternion( getQuat(cubit,numLayers), new Static3D(0,0,0) );
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mesh.apply(quat,0xffffffff,0);
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return mesh;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getColor(int face)
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{
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return FACE_COLORS[face];
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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Leszek Koltunski
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ObjectSticker retSticker(int face)
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{
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return mStickers[face/NUM_FACES];
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}
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411c6285
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///////////////////////////////////////////////////////////////////////////////////////////////////
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| 232 |
b1f2ccf5
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Leszek Koltunski
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float[][] getCubitPositions(int numLayers)
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| 233 |
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Leszek Koltunski
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{
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| 234 |
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Leszek Koltunski
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int numCubits = numLayers>1 ? 6*numLayers*numLayers - 12*numLayers + 8 : 1;
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| 235 |
e6cf7283
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Leszek Koltunski
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float[][] tmp = new float[numCubits][];
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| 236 |
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| 237 |
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Leszek Koltunski
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float diff = 0.5f*(numLayers-1);
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| 238 |
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Leszek Koltunski
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int currentPosition = 0;
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| 239 |
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Leszek Koltunski
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| 240 |
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Leszek Koltunski
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for(int x = 0; x<numLayers; x++)
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| 241 |
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for(int y = 0; y<numLayers; y++)
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| 242 |
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for(int z = 0; z<numLayers; z++)
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| 243 |
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if( x==0 || x==numLayers-1 || y==0 || y==numLayers-1 || z==0 || z==numLayers-1 )
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| 244 |
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{
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| 245 |
e6cf7283
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Leszek Koltunski
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tmp[currentPosition++] = new float[] {x-diff,y-diff,z-diff};
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| 246 |
a10ada2a
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Leszek Koltunski
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}
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| 247 |
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| 248 |
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Leszek Koltunski
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return tmp;
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| 249 |
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}
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| 250 |
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| 251 |
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///////////////////////////////////////////////////////////////////////////////////////////////////
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| 252 |
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| 253 |
10585385
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Leszek Koltunski
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Static4D[] getQuats()
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| 254 |
a10ada2a
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Leszek Koltunski
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{
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| 255 |
10585385
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Leszek Koltunski
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return QUATS;
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| 256 |
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}
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| 257 |
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| 258 |
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///////////////////////////////////////////////////////////////////////////////////////////////////
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| 259 |
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| 260 |
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boolean shouldResetTextureMaps()
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| 261 |
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{
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| 262 |
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return false;
|
| 263 |
|
|
}
|
| 264 |
|
|
|
| 265 |
47ba5ddc
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 266 |
|
|
|
| 267 |
411c6285
|
Leszek Koltunski
|
int getNumFaces()
|
| 268 |
a10ada2a
|
Leszek Koltunski
|
{
|
| 269 |
411c6285
|
Leszek Koltunski
|
return FACE_COLORS.length;
|
| 270 |
8f53e513
|
Leszek Koltunski
|
}
|
| 271 |
|
|
|
| 272 |
7403cdfa
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 273 |
|
|
|
| 274 |
e6734aa9
|
Leszek Koltunski
|
float[][] getCuts(int numLayers)
|
| 275 |
7403cdfa
|
Leszek Koltunski
|
{
|
| 276 |
e6734aa9
|
Leszek Koltunski
|
float[][] cuts = new float[3][numLayers-1];
|
| 277 |
a97e02b7
|
Leszek Koltunski
|
|
| 278 |
a64e07d0
|
Leszek Koltunski
|
for(int i=0; i<numLayers-1; i++)
|
| 279 |
a97e02b7
|
Leszek Koltunski
|
{
|
| 280 |
e6734aa9
|
Leszek Koltunski
|
float cut = (2-numLayers)*0.5f + i;
|
| 281 |
|
|
cuts[0][i] = cut;
|
| 282 |
|
|
cuts[1][i] = cut;
|
| 283 |
|
|
cuts[2][i] = cut;
|
| 284 |
a97e02b7
|
Leszek Koltunski
|
}
|
| 285 |
|
|
|
| 286 |
|
|
return cuts;
|
| 287 |
7403cdfa
|
Leszek Koltunski
|
}
|
| 288 |
|
|
|
| 289 |
eab9d8f8
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 290 |
|
|
|
| 291 |
a64e07d0
|
Leszek Koltunski
|
int getNumStickerTypes(int numLayers)
|
| 292 |
eab9d8f8
|
Leszek Koltunski
|
{
|
| 293 |
b1f2ccf5
|
Leszek Koltunski
|
return STICKERS.length;
|
| 294 |
eab9d8f8
|
Leszek Koltunski
|
}
|
| 295 |
|
|
|
| 296 |
8f53e513
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 297 |
|
|
|
| 298 |
|
|
int getNumCubitFaces()
|
| 299 |
|
|
{
|
| 300 |
|
|
return FACE_COLORS.length;
|
| 301 |
411c6285
|
Leszek Koltunski
|
}
|
| 302 |
47ba5ddc
|
Leszek Koltunski
|
|
| 303 |
f0fa83ae
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 304 |
|
|
|
| 305 |
|
|
float getScreenRatio()
|
| 306 |
|
|
{
|
| 307 |
|
|
return 0.5f;
|
| 308 |
|
|
}
|
| 309 |
|
|
|
| 310 |
f6d06256
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 311 |
|
|
|
| 312 |
f10a88a8
|
Leszek Koltunski
|
int getFaceColor(int cubit, int cubitface, int numLayers)
|
| 313 |
f6d06256
|
Leszek Koltunski
|
{
|
| 314 |
f10a88a8
|
Leszek Koltunski
|
return CUBITS[cubit].mRotationRow[cubitface/2] == (cubitface%2==0 ? (1<<(numLayers-1)):1) ? cubitface : NUM_FACES;
|
| 315 |
f6d06256
|
Leszek Koltunski
|
}
|
| 316 |
|
|
|
| 317 |
fb377dae
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 318 |
|
|
|
| 319 |
|
|
float returnMultiplier()
|
| 320 |
|
|
{
|
| 321 |
d99f3a48
|
Leszek Koltunski
|
return getNumLayers();
|
| 322 |
fb377dae
|
Leszek Koltunski
|
}
|
| 323 |
|
|
|
| 324 |
e844c116
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 325 |
|
|
// PUBLIC API
|
| 326 |
|
|
|
| 327 |
12ad3fca
|
Leszek Koltunski
|
public Static3D[] getRotationAxis()
|
| 328 |
|
|
{
|
| 329 |
ad38d800
|
Leszek Koltunski
|
return ROT_AXIS;
|
| 330 |
12ad3fca
|
Leszek Koltunski
|
}
|
| 331 |
|
|
|
| 332 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 333 |
|
|
|
| 334 |
925ed78f
|
Leszek Koltunski
|
public int[] getBasicAngle()
|
| 335 |
e844c116
|
Leszek Koltunski
|
{
|
| 336 |
925ed78f
|
Leszek Koltunski
|
return BASIC_ANGLE;
|
| 337 |
e844c116
|
Leszek Koltunski
|
}
|
| 338 |
39e74052
|
Leszek Koltunski
|
|
| 339 |
7c969a6d
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 340 |
|
|
|
| 341 |
9f171eba
|
Leszek Koltunski
|
public void randomizeNewScramble(int[][] scramble, Random rnd, int curr, int total)
|
| 342 |
7c969a6d
|
Leszek Koltunski
|
{
|
| 343 |
9f171eba
|
Leszek Koltunski
|
if( curr==0 )
|
| 344 |
5cf34c5f
|
Leszek Koltunski
|
{
|
| 345 |
9f171eba
|
Leszek Koltunski
|
scramble[curr][0] = rnd.nextInt(NUM_AXIS);
|
| 346 |
7c969a6d
|
Leszek Koltunski
|
}
|
| 347 |
|
|
else
|
| 348 |
|
|
{
|
| 349 |
8e6dc249
|
Leszek Koltunski
|
int newVector = rnd.nextInt(NUM_AXIS-1);
|
| 350 |
9f171eba
|
Leszek Koltunski
|
scramble[curr][0] = (newVector>=scramble[curr-1][0] ? newVector+1 : newVector);
|
| 351 |
8e6dc249
|
Leszek Koltunski
|
|
| 352 |
|
|
// All three axis must be present among every four consecutive rotations.
|
| 353 |
|
|
// Otherwise in case of odd-sized cubes we can get four consecutive rotations
|
| 354 |
|
|
// that collapse to a NOP
|
| 355 |
|
|
// (X,midLayer,180)->(Y,midLayer,180)->(X,midLayer,180)->(Y,midLayer,180) = NOP
|
| 356 |
|
|
if( curr>=3 && scramble[curr-1][0]==scramble[curr-3][0] )
|
| 357 |
|
|
{
|
| 358 |
|
|
for( int ax=0; ax<NUM_AXIS; ax++)
|
| 359 |
|
|
{
|
| 360 |
|
|
if( scramble[curr-1][0]!=ax && scramble[curr-2][0]!=ax )
|
| 361 |
|
|
{
|
| 362 |
|
|
scramble[curr][0] = ax;
|
| 363 |
|
|
break;
|
| 364 |
|
|
}
|
| 365 |
|
|
}
|
| 366 |
|
|
}
|
| 367 |
5cf34c5f
|
Leszek Koltunski
|
}
|
| 368 |
|
|
|
| 369 |
7c969a6d
|
Leszek Koltunski
|
float rowFloat = rnd.nextFloat();
|
| 370 |
0203be88
|
Leszek Koltunski
|
int numLayers = getNumLayers();
|
| 371 |
7c969a6d
|
Leszek Koltunski
|
|
| 372 |
0203be88
|
Leszek Koltunski
|
for(int row=0; row<numLayers; row++)
|
| 373 |
7c969a6d
|
Leszek Koltunski
|
{
|
| 374 |
0203be88
|
Leszek Koltunski
|
if( rowFloat*numLayers <= row+1 )
|
| 375 |
bbc6471c
|
Leszek Koltunski
|
{
|
| 376 |
9f171eba
|
Leszek Koltunski
|
scramble[curr][1] = row;
|
| 377 |
bbc6471c
|
Leszek Koltunski
|
break;
|
| 378 |
|
|
}
|
| 379 |
7c969a6d
|
Leszek Koltunski
|
}
|
| 380 |
|
|
|
| 381 |
5043d5d0
|
Leszek Koltunski
|
switch( rnd.nextInt(4) )
|
| 382 |
|
|
{
|
| 383 |
9f171eba
|
Leszek Koltunski
|
case 0: scramble[curr][2] = -2; break;
|
| 384 |
|
|
case 1: scramble[curr][2] = -1; break;
|
| 385 |
|
|
case 2: scramble[curr][2] = 1; break;
|
| 386 |
|
|
case 3: scramble[curr][2] = 2; break;
|
| 387 |
5043d5d0
|
Leszek Koltunski
|
}
|
| 388 |
e46e17fb
|
Leszek Koltunski
|
}
|
| 389 |
f0336037
|
Leszek Koltunski
|
|
| 390 |
6b6504fe
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 391 |
|
|
|
| 392 |
|
|
public boolean isSolved()
|
| 393 |
|
|
{
|
| 394 |
|
|
int index = CUBITS[0].mQuatIndex;
|
| 395 |
|
|
|
| 396 |
|
|
for(int i=1; i<NUM_CUBITS; i++)
|
| 397 |
|
|
{
|
| 398 |
722b2512
|
Leszek Koltunski
|
if( thereIsVisibleDifference(CUBITS[i], index) ) return false;
|
| 399 |
6b6504fe
|
Leszek Koltunski
|
}
|
| 400 |
|
|
|
| 401 |
|
|
return true;
|
| 402 |
|
|
}
|
| 403 |
|
|
|
| 404 |
f0336037
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 405 |
6fd4a72c
|
Leszek Koltunski
|
|
| 406 |
|
|
public int getObjectName(int numLayers)
|
| 407 |
|
|
{
|
| 408 |
|
|
switch(numLayers)
|
| 409 |
|
|
{
|
| 410 |
|
|
case 2: return R.string.cube2;
|
| 411 |
|
|
case 3: return R.string.cube3;
|
| 412 |
|
|
case 4: return R.string.cube4;
|
| 413 |
|
|
case 5: return R.string.cube5;
|
| 414 |
|
|
}
|
| 415 |
|
|
return R.string.cube3;
|
| 416 |
|
|
}
|
| 417 |
|
|
|
| 418 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 419 |
|
|
|
| 420 |
|
|
public int getInventor(int numLayers)
|
| 421 |
|
|
{
|
| 422 |
|
|
switch(numLayers)
|
| 423 |
|
|
{
|
| 424 |
|
|
case 2: return R.string.cube2_inventor;
|
| 425 |
|
|
case 3: return R.string.cube3_inventor;
|
| 426 |
|
|
case 4: return R.string.cube4_inventor;
|
| 427 |
|
|
case 5: return R.string.cube5_inventor;
|
| 428 |
|
|
}
|
| 429 |
|
|
return R.string.cube3_inventor;
|
| 430 |
|
|
}
|
| 431 |
|
|
|
| 432 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 433 |
|
|
|
| 434 |
|
|
public int getComplexity(int numLayers)
|
| 435 |
|
|
{
|
| 436 |
|
|
switch(numLayers)
|
| 437 |
|
|
{
|
| 438 |
|
|
case 2: return 4;
|
| 439 |
|
|
case 3: return 6;
|
| 440 |
|
|
case 4: return 8;
|
| 441 |
|
|
case 5: return 10;
|
| 442 |
|
|
}
|
| 443 |
|
|
return 6;
|
| 444 |
|
|
}
|
| 445 |
0c52af30
|
Leszek Koltunski
|
}
|