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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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Leszek Koltunski
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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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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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public class TwistyPyraminx extends TwistyObject
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{
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static final Static3D[] ROT_AXIS = new Static3D[]
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{
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new Static3D( 0,-SQ3/3,-SQ6/3),
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new Static3D( 0,-SQ3/3,+SQ6/3),
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new Static3D(+SQ6/3,+SQ3/3, 0),
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new Static3D(-SQ6/3,+SQ3/3, 0),
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};
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private static final int[] FACE_COLORS = new int[]
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{
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COLOR_GREEN , COLOR_YELLOW,
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COLOR_BLUE , COLOR_RED
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};
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// computed with res/raw/compute_quats.c
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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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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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private static MeshBase mOctaMesh, mTetraMesh;
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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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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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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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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 size)
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{
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float[] cuts = new float[size-1];
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for(int i=0; i<size-1; i++)
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{
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cuts[i] = (1.0f-0.25f*size+i)*(SQ6/3);
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}
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return cuts;
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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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float getScreenRatio()
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{
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return 0.82f;
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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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private int faceColor(int cubit, int axis)
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{
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return CUBITS[cubit].mRotationRow[axis] == 1 ? axis : NUM_FACES;
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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_FACES;
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}
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}
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else
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{
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return cubitface<NUM_FACES ? faceColor(cubit,cubitface) : NUM_FACES;
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}
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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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if( cubit< (numLayers-1)*numLayers*(numLayers+1)/6 )
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{
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if( mOctaMesh==null ) mOctaMesh = FactoryCubit.getInstance().createOctaMesh();
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return mOctaMesh.copy(true);
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}
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else
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{
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if( mTetraMesh==null ) mTetraMesh = FactoryCubit.getInstance().createTetraMesh();
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return mTetraMesh.copy(true);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void createFaceTexture(Canvas canvas, Paint paint, int face, int left, int top)
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{
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ae755eda
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float E = 0.75f;
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float F = 0.50f;
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float R = 0.06f;
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float S = 0.08f;
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float[] vertices = { -F,-E/3, +F,-E/3, 0.0f,2*E/3};
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FactorySticker factory = FactorySticker.getInstance();
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factory.drawRoundedPolygon(canvas, paint, left, top, vertices, S, FACE_COLORS[face], R);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// SQ6/3 = height of the tetrahedron
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float returnMultiplier()
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{
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return getNumLayers()/(SQ6/3);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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float[] getRowChances(int numLayers)
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{
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| 259 |
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int total = numLayers*(numLayers+1)/2;
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| 260 |
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float running=0.0f;
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| 261 |
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float[] chances = new float[numLayers];
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| 262 |
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for(int i=0; i<numLayers; i++)
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| 264 |
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{
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| 265 |
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running += (numLayers-i);
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| 266 |
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chances[i] = running / total;
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}
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| 268 |
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return chances;
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}
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| 271 |
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///////////////////////////////////////////////////////////////////////////////////////////////////
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| 273 |
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// PUBLIC API
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| 274 |
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| 275 |
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Leszek Koltunski
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public Static3D[] getRotationAxis()
|
| 276 |
|
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{
|
| 277 |
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Leszek Koltunski
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return ROT_AXIS;
|
| 278 |
12ad3fca
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Leszek Koltunski
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}
|
| 279 |
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|
| 280 |
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///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 281 |
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|
| 282 |
e844c116
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Leszek Koltunski
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public int getBasicAngle()
|
| 283 |
|
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{
|
| 284 |
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|
return 3;
|
| 285 |
|
|
}
|
| 286 |
39e74052
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Leszek Koltunski
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| 287 |
7c969a6d
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 288 |
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|
| 289 |
5043d5d0
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Leszek Koltunski
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public void randomizeNewScramble(int[][] scramble, Random rnd, int num)
|
| 290 |
7c969a6d
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Leszek Koltunski
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{
|
| 291 |
5043d5d0
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Leszek Koltunski
|
if( num==0 )
|
| 292 |
5cf34c5f
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Leszek Koltunski
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{
|
| 293 |
5043d5d0
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Leszek Koltunski
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scramble[num][0] = rnd.nextInt(ROTATION_AXIS.length);
|
| 294 |
7c969a6d
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Leszek Koltunski
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}
|
| 295 |
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|
else
|
| 296 |
|
|
{
|
| 297 |
bbc6471c
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Leszek Koltunski
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int newVector = rnd.nextInt(ROTATION_AXIS.length-1);
|
| 298 |
5043d5d0
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Leszek Koltunski
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scramble[num][0] = (newVector>=scramble[num-1][0] ? newVector+1 : newVector);
|
| 299 |
5cf34c5f
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Leszek Koltunski
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}
|
| 300 |
e46e17fb
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Leszek Koltunski
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|
| 301 |
7c969a6d
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Leszek Koltunski
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float rowFloat = rnd.nextFloat();
|
| 302 |
e46e17fb
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Leszek Koltunski
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|
| 303 |
7c969a6d
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Leszek Koltunski
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for(int row=0; row<mRowChances.length; row++)
|
| 304 |
|
|
{
|
| 305 |
bbc6471c
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Leszek Koltunski
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if( rowFloat<=mRowChances[row] )
|
| 306 |
|
|
{
|
| 307 |
5043d5d0
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Leszek Koltunski
|
scramble[num][1] = row;
|
| 308 |
bbc6471c
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Leszek Koltunski
|
break;
|
| 309 |
|
|
}
|
| 310 |
7c969a6d
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Leszek Koltunski
|
}
|
| 311 |
|
|
|
| 312 |
5043d5d0
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Leszek Koltunski
|
switch( rnd.nextInt(2) )
|
| 313 |
|
|
{
|
| 314 |
|
|
case 0: scramble[num][2] = -1; break;
|
| 315 |
|
|
case 1: scramble[num][2] = 1; break;
|
| 316 |
|
|
}
|
| 317 |
e46e17fb
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Leszek Koltunski
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}
|
| 318 |
f0336037
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Leszek Koltunski
|
|
| 319 |
6b6504fe
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 320 |
|
|
|
| 321 |
|
|
public boolean isSolved()
|
| 322 |
|
|
{
|
| 323 |
|
|
int index = CUBITS[0].mQuatIndex;
|
| 324 |
|
|
|
| 325 |
|
|
for(int i=1; i<NUM_CUBITS; i++)
|
| 326 |
|
|
{
|
| 327 |
722b2512
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Leszek Koltunski
|
if( thereIsVisibleDifference(CUBITS[i], index) ) return false;
|
| 328 |
6b6504fe
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Leszek Koltunski
|
}
|
| 329 |
|
|
|
| 330 |
|
|
return true;
|
| 331 |
|
|
}
|
| 332 |
|
|
|
| 333 |
221a4090
|
Leszek Koltunski
|
////////////////////////////////////////////////////////////////////////
|
| 334 |
ee35e63c
|
Leszek Koltunski
|
// only needed for solvers - there are no Pyraminx solvers ATM)
|
| 335 |
f0336037
|
Leszek Koltunski
|
|
| 336 |
20931cf6
|
Leszek Koltunski
|
public String retObjectString()
|
| 337 |
f0336037
|
Leszek Koltunski
|
{
|
| 338 |
|
|
return "";
|
| 339 |
|
|
}
|
| 340 |
6fd4a72c
|
Leszek Koltunski
|
|
| 341 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 342 |
|
|
|
| 343 |
|
|
public int getObjectName(int numLayers)
|
| 344 |
|
|
{
|
| 345 |
|
|
switch(numLayers)
|
| 346 |
|
|
{
|
| 347 |
|
|
case 3: return R.string.pyra3;
|
| 348 |
|
|
case 4: return R.string.pyra4;
|
| 349 |
|
|
case 5: return R.string.pyra5;
|
| 350 |
|
|
}
|
| 351 |
|
|
return R.string.pyra3;
|
| 352 |
|
|
}
|
| 353 |
|
|
|
| 354 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 355 |
|
|
|
| 356 |
|
|
public int getInventor(int numLayers)
|
| 357 |
|
|
{
|
| 358 |
|
|
switch(numLayers)
|
| 359 |
|
|
{
|
| 360 |
|
|
case 3: return R.string.pyra3_inventor;
|
| 361 |
|
|
case 4: return R.string.pyra4_inventor;
|
| 362 |
|
|
case 5: return R.string.pyra5_inventor;
|
| 363 |
|
|
}
|
| 364 |
|
|
return R.string.pyra3_inventor;
|
| 365 |
|
|
}
|
| 366 |
|
|
|
| 367 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 368 |
|
|
|
| 369 |
|
|
public int getComplexity(int numLayers)
|
| 370 |
|
|
{
|
| 371 |
|
|
switch(numLayers)
|
| 372 |
|
|
{
|
| 373 |
|
|
case 3: return 4;
|
| 374 |
|
|
case 4: return 6;
|
| 375 |
|
|
case 5: return 8;
|
| 376 |
|
|
}
|
| 377 |
|
|
return 4;
|
| 378 |
|
|
}
|
| 379 |
e844c116
|
Leszek Koltunski
|
}
|