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e844c116
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Leszek Koltunski
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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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1f9772f3
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Leszek Koltunski
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package org.distorted.objects;
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e844c116
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Leszek Koltunski
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ccf9fec5
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Leszek Koltunski
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import android.content.res.Resources;
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e844c116
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Leszek Koltunski
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import android.graphics.Canvas;
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import android.graphics.Paint;
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40ab026e
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Leszek Koltunski
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import org.distorted.library.effect.VertexEffectDeform;
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import org.distorted.library.effect.VertexEffectMove;
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import org.distorted.library.effect.VertexEffectRotate;
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e35247b8
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Leszek Koltunski
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import org.distorted.library.effect.VertexEffectSink;
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e844c116
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Leszek Koltunski
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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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988f434e
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Leszek Koltunski
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import org.distorted.library.mesh.MeshJoined;
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231771f3
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Leszek Koltunski
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import org.distorted.library.mesh.MeshPolygon;
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efa8aa48
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Leszek Koltunski
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import org.distorted.library.mesh.MeshSquare;
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988f434e
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Leszek Koltunski
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import org.distorted.library.type.Static1D;
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e844c116
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Leszek Koltunski
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import org.distorted.library.type.Static3D;
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import org.distorted.library.type.Static4D;
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1ebc4767
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Leszek Koltunski
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import org.distorted.main.RubikSurfaceView;
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e844c116
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Leszek Koltunski
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7c969a6d
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Leszek Koltunski
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import java.util.Random;
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import static org.distorted.effects.scramble.ScrambleEffect.START_AXIS;
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e844c116
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class RubikPyraminx extends RubikObject
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{
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9f4c44fe
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Leszek Koltunski
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private static final float SQ2 = (float)Math.sqrt(2);
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private static final float SQ3 = (float)Math.sqrt(3);
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10585385
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private static final float SQ6 = (float)Math.sqrt(6);
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9f4c44fe
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ad38d800
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static final Static3D[] ROT_AXIS = new Static3D[]
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e844c116
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Leszek Koltunski
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{
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new Static3D( 0, 1, 0 ),
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new Static3D( 0, -1.0f/3, 2*SQ2/3 ),
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new Static3D(-SQ2*SQ3/3, -1.0f/3, -SQ2/3 ),
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new Static3D( SQ2*SQ3/3, -1.0f/3, -SQ2/3 )
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};
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ad38d800
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static final Static3D[] FACE_AXIS = new Static3D[]
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{
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new Static3D( 0, -1, 0 ),
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new Static3D( 0, 1.0f/3,-2*SQ2/3 ),
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new Static3D( SQ2*SQ3/3, 1.0f/3, SQ2/3 ),
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new Static3D(-SQ2*SQ3/3, 1.0f/3, SQ2/3 )
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};
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e844c116
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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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ad38d800
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0xff00ff00, 0xffffff00, // FACE_AXIS[0] (GREEN ) FACE_AXIS[1] (YELLOW )
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0xff0000ff, 0xffff0000 // FACE_AXIS[2] (BLUE ) FACE_AXIS[3] (RED )
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e844c116
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Leszek Koltunski
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};
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// computed with res/raw/compute_quats.c
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10585385
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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, SQ3/2, 0.0f, 0.5f),
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new Static4D( SQ2/2, -SQ3/6, -SQ6/6, 0.5f),
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new Static4D(-SQ2/2, -SQ3/6, -SQ6/6, 0.5f),
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new Static4D( 0.0f, -SQ3/6, SQ6/3, 0.5f),
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new Static4D( 0.0f, SQ3/2, 0.0f, -0.5f),
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new Static4D( SQ2/2, -SQ3/6, -SQ6/6, -0.5f),
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new Static4D(-SQ2/2, -SQ3/6, -SQ6/6, -0.5f),
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new Static4D( 0.0f, -SQ3/6, SQ6/3, -0.5f),
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new Static4D( SQ2/2, -SQ3/3, SQ6/6, 0.0f),
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new Static4D( 0.0f, -SQ3/3, -SQ6/3, 0.0f),
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new Static4D(-SQ2/2, -SQ3/3, SQ6/6, 0.0f)
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e844c116
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Leszek Koltunski
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};
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private int[] mRotArray;
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40ab026e
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Leszek Koltunski
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private static VertexEffectRotate[] ROTATION;
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private static MeshBase mMesh =null;
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ad38d800
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Leszek Koltunski
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private static MeshBase[] mMeshRotated = new MeshBase[ROT_AXIS.length];
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89a11f7b
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Leszek Koltunski
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static
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{
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Static3D center = new Static3D(0,0,0);
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Static1D angle = new Static1D(180.0f);
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ad38d800
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Leszek Koltunski
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ROTATION = new VertexEffectRotate[ROT_AXIS.length];
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89a11f7b
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Leszek Koltunski
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ad38d800
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Leszek Koltunski
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for(int i = 0; i< ROT_AXIS.length; i++)
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89a11f7b
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Leszek Koltunski
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{
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ad38d800
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Leszek Koltunski
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ROTATION[i] = new VertexEffectRotate( angle, ROT_AXIS[i], center);
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40ab026e
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Leszek Koltunski
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mMeshRotated[i] = null;
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89a11f7b
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Leszek Koltunski
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}
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}
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49f67f9b
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Leszek Koltunski
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e844c116
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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4da7d87a
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Leszek Koltunski
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RubikPyraminx(int size, Static4D quat, DistortedTexture texture,
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efa8aa48
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Leszek Koltunski
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MeshSquare mesh, DistortedEffects effects, int[][] moves, Resources res, int scrWidth)
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e844c116
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{
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5b893eee
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Leszek Koltunski
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super(size, 30, quat, texture, mesh, effects, moves, RubikObjectList.PYRA, res, scrWidth);
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e844c116
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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89a11f7b
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Leszek Koltunski
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private void emitRow(float x, float y, float z, float dx, float dy, float dz, int n, int rot, Static3D[] array, int index)
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49f67f9b
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Leszek Koltunski
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{
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for(int i=0; i<n; i++)
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{
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mRotArray[i+index] = rot;
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array[i+index] = new Static3D(x+0.5f,y+SQ2*SQ3/12,z+SQ3/6);
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x += dx;
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y += dy;
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z += dz;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int emitLowermost(float x, float y, float z, int n, Static3D[] array)
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{
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int added = 0;
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769409d2
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Leszek Koltunski
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emitRow( x +0.5f, y+SQ3*SQ2/9, z+ SQ3/18, 1.0f, 0, 0, n-1, 1, array, added);
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added += (n-1);
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emitRow( x +1.0f/3, y+SQ3*SQ2/9, z+2*SQ3/9, 0.5f, 0, SQ3/2, n-1, 3, array, added);
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added += (n-1);
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emitRow( x+n-1-1.0f/3, y+SQ3*SQ2/9, z+2*SQ3/9, -0.5f, 0, SQ3/2, n-1, 2, array, added);
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added += (n-1);
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49f67f9b
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Leszek Koltunski
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for(int i=n; i>=1; i--)
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{
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769409d2
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Leszek Koltunski
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emitRow(x , y, z , 1,0,0, i , -1, array, added);
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49f67f9b
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Leszek Koltunski
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added += i;
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769409d2
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Leszek Koltunski
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emitRow(x+0.5f, y, z+SQ3/6, 1,0,0, i-1, 0, array, added);
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added += (i-1);
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49f67f9b
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Leszek Koltunski
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x += 0.5f;
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y += 0.0f;
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z += SQ3/2;
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}
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return added;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int emitUpper(float x, float y, float z, int n, Static3D[] array, int index)
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{
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if( n>1 )
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{
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769409d2
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Leszek Koltunski
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emitRow( x , y , z , 1.0f, 0, 0, n-1, -1, array, index);
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index += (n-1);
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emitRow( x+0.5f , y+SQ3*SQ2/9, z+SQ3/18 , 1.0f, 0, 0, n-1, 1, array, index);
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index += (n-1);
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emitRow( x+0.5f , y , z+SQ3/2 , 0.5f, 0, SQ3/2, n-1, -1, array, index);
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index += (n-1);
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emitRow( x +1.0f/3, y+SQ3*SQ2/9, z+2*SQ3/9, 0.5f, 0, SQ3/2, n-1, 3, array, index);
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49f67f9b
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Leszek Koltunski
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index += (n-1);
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769409d2
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Leszek Koltunski
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emitRow( x+n-1 , y , z , -0.5f, 0, SQ3/2, n-1, -1, array, index);
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49f67f9b
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Leszek Koltunski
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index += (n-1);
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769409d2
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Leszek Koltunski
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emitRow( x+n-1-1.0f/3, y+SQ3*SQ2/9, z+2*SQ3/9, -0.5f, 0, SQ3/2, n-1, 2, array, index);
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49f67f9b
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Leszek Koltunski
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index += (n-1);
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}
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else
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{
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89a11f7b
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Leszek Koltunski
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mRotArray[index] = -1;
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49f67f9b
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Leszek Koltunski
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array[index] = new Static3D(x+0.5f,y+SQ2*SQ3/12,z+SQ3/6);
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index++;
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}
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return index;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// size^2 + 3*(size-1) in the lowermost layer, then 6*(size-2) in the next, 6*(size-3) in the next,
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// ... 6 in the forelast, 1 in the last = 4size^2 - 6size +4 (if size>1)
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e844c116
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Leszek Koltunski
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Static3D[] getCubitPositions(int size)
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{
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769409d2
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Leszek Koltunski
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int numCubits = size>1 ? 4*size*size - 6*size +4 : 1;
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c2cb520d
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Leszek Koltunski
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Static3D[] tmp = new Static3D[numCubits];
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89a11f7b
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Leszek Koltunski
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mRotArray = new int[numCubits];
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49f67f9b
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Leszek Koltunski
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int currentIndex = emitLowermost( -0.5f*size, -(SQ2*SQ3/12)*size, -(SQ3/6)*size, size, tmp);
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c2cb520d
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Leszek Koltunski
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49f67f9b
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Leszek Koltunski
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for(int i=size-1; i>=1; i--)
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cc7dc72a
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Leszek Koltunski
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{
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49f67f9b
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Leszek Koltunski
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currentIndex = emitUpper( -0.5f*i, ((SQ2*SQ3)/12)*(3*size-4*i), -(SQ3/6)*i, i, tmp, currentIndex);
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205 |
cc7dc72a
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Leszek Koltunski
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}
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49f67f9b
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Leszek Koltunski
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c2cb520d
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Leszek Koltunski
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return tmp;
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e844c116
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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212 |
10585385
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Leszek Koltunski
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Static4D[] getQuats()
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213 |
e844c116
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Leszek Koltunski
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{
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214 |
10585385
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Leszek Koltunski
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return QUATS;
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215 |
e844c116
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Leszek Koltunski
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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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eab9d8f8
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getNumStickerTypes()
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{
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return 1;
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}
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7403cdfa
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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float getBasicStep()
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{
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return SQ6/3;
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}
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8f53e513
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getNumCubitFaces()
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241 |
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{
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242 |
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return FACE_COLORS.length;
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}
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245 |
f0fa83ae
|
Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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246 |
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float getScreenRatio()
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248 |
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{
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249 |
7381193e
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Leszek Koltunski
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return 0.82f;
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250 |
f0fa83ae
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Leszek Koltunski
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}
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251 |
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252 |
f6d06256
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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253 |
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int getFaceColor(int cubit, int cubitface, int size)
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255 |
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{
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256 |
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boolean belongs = isOnFace(cubit, cubitface, 0 );
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return belongs ? cubitface : NUM_FACES;
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}
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260 |
f0fa83ae
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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262 |
14bd7976
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Leszek Koltunski
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private MeshBase createStaticMesh(int cubit)
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263 |
e844c116
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Leszek Koltunski
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{
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264 |
40ab026e
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Leszek Koltunski
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final float SQ2 = (float)Math.sqrt(2);
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265 |
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final float SQ3 = (float)Math.sqrt(3);
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266 |
988f434e
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Leszek Koltunski
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final float angleFaces = (float)((180/Math.PI)*(2*Math.asin(SQ3/3))); // angle between two faces of a tetrahedron
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267 |
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final int MESHES=4;
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268 |
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269 |
231771f3
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Leszek Koltunski
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int size = getSize();
|
270 |
40ab026e
|
Leszek Koltunski
|
int association = 1;
|
271 |
231771f3
|
Leszek Koltunski
|
|
272 |
befd50be
|
Leszek Koltunski
|
float D = 0.0005f;
|
273 |
e35247b8
|
Leszek Koltunski
|
float E = SQ3/2 - 3*D*SQ2;
|
274 |
231771f3
|
Leszek Koltunski
|
float F = 0.5f - D*SQ2*SQ3;
|
275 |
|
|
float[] bands;
|
276 |
|
|
int extraI, extraV;
|
277 |
|
|
|
278 |
e35247b8
|
Leszek Koltunski
|
float[] vertices = { -F,-E/3, +F,-E/3, 0.0f,2*E/3};
|
279 |
988f434e
|
Leszek Koltunski
|
|
280 |
231771f3
|
Leszek Koltunski
|
switch(size)
|
281 |
|
|
{
|
282 |
e35247b8
|
Leszek Koltunski
|
case 3 : bands = new float[] { 1.0f ,-D,
|
283 |
|
|
1.0f -D,-D*0.80f,
|
284 |
|
|
1.0f-2*D,-D*0.65f,
|
285 |
|
|
1.0f-4*D,+D*0.10f,
|
286 |
|
|
0.50f, 0.035f,
|
287 |
|
|
0.0f, 0.040f };
|
288 |
231771f3
|
Leszek Koltunski
|
extraI = 2;
|
289 |
|
|
extraV = 2;
|
290 |
|
|
break;
|
291 |
e35247b8
|
Leszek Koltunski
|
case 4 : bands = new float[] { 1.0f ,-D,
|
292 |
|
|
1.0f-D*1.2f,-D*0.70f,
|
293 |
|
|
1.0f-3*D, -D*0.15f,
|
294 |
|
|
0.50f, 0.035f,
|
295 |
|
|
0.0f, 0.040f };
|
296 |
231771f3
|
Leszek Koltunski
|
extraI = 2;
|
297 |
|
|
extraV = 2;
|
298 |
|
|
break;
|
299 |
e35247b8
|
Leszek Koltunski
|
default: bands = new float[] { 1.0f ,-D,
|
300 |
|
|
1.0f-D*1.2f,-D*0.70f,
|
301 |
|
|
1.0f-3*D, -D*0.15f,
|
302 |
|
|
0.50f, 0.035f,
|
303 |
|
|
0.0f, 0.040f };
|
304 |
231771f3
|
Leszek Koltunski
|
extraI = 2;
|
305 |
|
|
extraV = 1;
|
306 |
|
|
break;
|
307 |
|
|
}
|
308 |
|
|
|
309 |
e35247b8
|
Leszek Koltunski
|
MeshBase[] meshes = new MeshPolygon[MESHES];
|
310 |
231771f3
|
Leszek Koltunski
|
meshes[0] = new MeshPolygon(vertices, bands, extraI,extraV);
|
311 |
e82f3f9c
|
Leszek Koltunski
|
meshes[0].setEffectAssociation(0,association,0);
|
312 |
988f434e
|
Leszek Koltunski
|
|
313 |
40ab026e
|
Leszek Koltunski
|
for(int i=1; i<MESHES; i++)
|
314 |
|
|
{
|
315 |
|
|
association <<= 1;
|
316 |
|
|
meshes[i] = meshes[0].copy(true);
|
317 |
e82f3f9c
|
Leszek Koltunski
|
meshes[i].setEffectAssociation(0,association,0);
|
318 |
40ab026e
|
Leszek Koltunski
|
}
|
319 |
988f434e
|
Leszek Koltunski
|
|
320 |
40ab026e
|
Leszek Koltunski
|
MeshBase result = new MeshJoined(meshes);
|
321 |
|
|
|
322 |
|
|
Static3D a0 = new Static3D( 0, 1, 0 );
|
323 |
|
|
Static3D a1 = new Static3D( 0, -1.0f/3, 2*SQ2/3 );
|
324 |
|
|
Static3D a2 = new Static3D(-SQ2*SQ3/3, -1.0f/3, -SQ2/3 );
|
325 |
|
|
Static3D a3 = new Static3D( SQ2*SQ3/3, -1.0f/3, -SQ2/3 );
|
326 |
|
|
|
327 |
|
|
float tetraHeight = SQ2*SQ3/3;
|
328 |
52336e82
|
Leszek Koltunski
|
float d1 = (0.75f-2*SQ2*D)*tetraHeight;
|
329 |
e35247b8
|
Leszek Koltunski
|
float d2 =-0.06f*tetraHeight;
|
330 |
|
|
float d3 = 0.05f*tetraHeight;
|
331 |
|
|
float d4 = 0.70f*tetraHeight;
|
332 |
|
|
float d5 = 1.2f;
|
333 |
40ab026e
|
Leszek Koltunski
|
|
334 |
|
|
Static3D dCen0 = new Static3D( d1*a0.get0(), d1*a0.get1(), d1*a0.get2() );
|
335 |
|
|
Static3D dCen1 = new Static3D( d1*a1.get0(), d1*a1.get1(), d1*a1.get2() );
|
336 |
|
|
Static3D dCen2 = new Static3D( d1*a2.get0(), d1*a2.get1(), d1*a2.get2() );
|
337 |
|
|
Static3D dCen3 = new Static3D( d1*a3.get0(), d1*a3.get1(), d1*a3.get2() );
|
338 |
|
|
|
339 |
|
|
Static3D dVec0 = new Static3D( d2*a0.get0(), d2*a0.get1(), d2*a0.get2() );
|
340 |
|
|
Static3D dVec1 = new Static3D( d2*a1.get0(), d2*a1.get1(), d2*a1.get2() );
|
341 |
|
|
Static3D dVec2 = new Static3D( d2*a2.get0(), d2*a2.get1(), d2*a2.get2() );
|
342 |
|
|
Static3D dVec3 = new Static3D( d2*a3.get0(), d2*a3.get1(), d2*a3.get2() );
|
343 |
|
|
|
344 |
|
|
Static4D dReg = new Static4D(0,0,0,d3);
|
345 |
|
|
Static1D dRad = new Static1D(1);
|
346 |
e35247b8
|
Leszek Koltunski
|
Static3D center= new Static3D(0,0,0);
|
347 |
|
|
Static4D sReg = new Static4D(0,0,0,d4);
|
348 |
|
|
Static1D sink = new Static1D(d5);
|
349 |
40ab026e
|
Leszek Koltunski
|
|
350 |
|
|
Static1D angle = new Static1D(angleFaces);
|
351 |
|
|
Static3D axis1 = new Static3D( -1, 0, 0);
|
352 |
|
|
Static3D axis2 = new Static3D(0.5f, 0, -SQ3/2);
|
353 |
|
|
Static3D axis3 = new Static3D(0.5f, 0, +SQ3/2);
|
354 |
|
|
Static3D center1= new Static3D(0,-SQ3*SQ2/12,-SQ3/6);
|
355 |
|
|
Static3D center2= new Static3D(0,-SQ3*SQ2/12,+SQ3/3);
|
356 |
|
|
|
357 |
e35247b8
|
Leszek Koltunski
|
VertexEffectRotate effect1 = new VertexEffectRotate( new Static1D(90), new Static3D(1,0,0), center );
|
358 |
|
|
VertexEffectMove effect2 = new VertexEffectMove ( new Static3D(0,-SQ3*SQ2/12,0) );
|
359 |
|
|
VertexEffectRotate effect3 = new VertexEffectRotate( new Static1D(180), new Static3D(0,0,1), center1 );
|
360 |
|
|
VertexEffectRotate effect4 = new VertexEffectRotate( angle, axis1, center1 );
|
361 |
|
|
VertexEffectRotate effect5 = new VertexEffectRotate( angle, axis2, center2 );
|
362 |
|
|
VertexEffectRotate effect6 = new VertexEffectRotate( angle, axis3, center2 );
|
363 |
|
|
|
364 |
|
|
VertexEffectDeform effect7 = new VertexEffectDeform(dVec0, dRad, dCen0, dReg);
|
365 |
|
|
VertexEffectDeform effect8 = new VertexEffectDeform(dVec1, dRad, dCen1, dReg);
|
366 |
|
|
VertexEffectDeform effect9 = new VertexEffectDeform(dVec2, dRad, dCen2, dReg);
|
367 |
|
|
VertexEffectDeform effect10= new VertexEffectDeform(dVec3, dRad, dCen3, dReg);
|
368 |
40ab026e
|
Leszek Koltunski
|
|
369 |
e35247b8
|
Leszek Koltunski
|
VertexEffectSink effect11= new VertexEffectSink(sink,center, sReg);
|
370 |
40ab026e
|
Leszek Koltunski
|
|
371 |
e35247b8
|
Leszek Koltunski
|
effect3.setMeshAssociation(14,-1); // apply to mesh[1], [2] and [3]
|
372 |
|
|
effect4.setMeshAssociation( 2,-1); // apply only to mesh[1]
|
373 |
|
|
effect5.setMeshAssociation( 4,-1); // apply only to mesh[2]
|
374 |
|
|
effect6.setMeshAssociation( 8,-1); // apply only to mesh[3]
|
375 |
40ab026e
|
Leszek Koltunski
|
|
376 |
|
|
result.apply(effect1);
|
377 |
|
|
result.apply(effect2);
|
378 |
|
|
result.apply(effect3);
|
379 |
|
|
result.apply(effect4);
|
380 |
|
|
result.apply(effect5);
|
381 |
|
|
result.apply(effect6);
|
382 |
e35247b8
|
Leszek Koltunski
|
|
383 |
40ab026e
|
Leszek Koltunski
|
result.apply(effect7);
|
384 |
|
|
result.apply(effect8);
|
385 |
|
|
result.apply(effect9);
|
386 |
|
|
result.apply(effect10);
|
387 |
e35247b8
|
Leszek Koltunski
|
|
388 |
40ab026e
|
Leszek Koltunski
|
result.apply(effect11);
|
389 |
89a11f7b
|
Leszek Koltunski
|
|
390 |
|
|
if( mRotArray[cubit]>=0 )
|
391 |
|
|
{
|
392 |
|
|
result.apply( ROTATION[mRotArray[cubit]] );
|
393 |
|
|
}
|
394 |
|
|
|
395 |
470820a7
|
Leszek Koltunski
|
result.mergeEffComponents();
|
396 |
|
|
|
397 |
89a11f7b
|
Leszek Koltunski
|
return result;
|
398 |
e844c116
|
Leszek Koltunski
|
}
|
399 |
|
|
|
400 |
40ab026e
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
401 |
|
|
|
402 |
14bd7976
|
Leszek Koltunski
|
MeshBase createCubitMesh(int cubit)
|
403 |
40ab026e
|
Leszek Koltunski
|
{
|
404 |
|
|
int kind = mRotArray[cubit];
|
405 |
|
|
|
406 |
|
|
if( kind>=0 )
|
407 |
|
|
{
|
408 |
14bd7976
|
Leszek Koltunski
|
if( mMeshRotated[kind]==null ) mMeshRotated[kind] = createStaticMesh(cubit);
|
409 |
470820a7
|
Leszek Koltunski
|
return mMeshRotated[kind].copy(true);
|
410 |
40ab026e
|
Leszek Koltunski
|
}
|
411 |
|
|
else
|
412 |
|
|
{
|
413 |
14bd7976
|
Leszek Koltunski
|
if( mMesh==null ) mMesh = createStaticMesh(cubit);
|
414 |
470820a7
|
Leszek Koltunski
|
return mMesh.copy(true);
|
415 |
40ab026e
|
Leszek Koltunski
|
}
|
416 |
|
|
}
|
417 |
|
|
|
418 |
7289fd6c
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
419 |
|
|
|
420 |
|
|
void createFaceTexture(Canvas canvas, Paint paint, int face, int left, int top, int side)
|
421 |
|
|
{
|
422 |
52336e82
|
Leszek Koltunski
|
float STROKE = 0.044f*side;
|
423 |
7289fd6c
|
Leszek Koltunski
|
float OFF = STROKE/2 -1;
|
424 |
|
|
float OFF2 = 0.5f*side + OFF;
|
425 |
|
|
float HEIGHT = side - OFF;
|
426 |
|
|
float RADIUS = side/12.0f;
|
427 |
|
|
float ARC1_H = 0.2f*side;
|
428 |
|
|
float ARC1_W = side*0.5f;
|
429 |
|
|
float ARC2_W = 0.153f*side;
|
430 |
|
|
float ARC2_H = 0.905f*side;
|
431 |
|
|
float ARC3_W = side-ARC2_W;
|
432 |
|
|
|
433 |
e35247b8
|
Leszek Koltunski
|
float M = SQ3/2;
|
434 |
|
|
float D = (M/2 - 0.51f)*side;
|
435 |
|
|
|
436 |
7289fd6c
|
Leszek Koltunski
|
paint.setAntiAlias(true);
|
437 |
|
|
paint.setStrokeWidth(STROKE);
|
438 |
|
|
paint.setColor(FACE_COLORS[face]);
|
439 |
|
|
paint.setStyle(Paint.Style.FILL);
|
440 |
|
|
|
441 |
|
|
canvas.drawRect(left,top,left+side,top+side,paint);
|
442 |
|
|
|
443 |
14bd7976
|
Leszek Koltunski
|
paint.setColor(INTERIOR_COLOR);
|
444 |
7289fd6c
|
Leszek Koltunski
|
paint.setStyle(Paint.Style.STROKE);
|
445 |
|
|
|
446 |
e35247b8
|
Leszek Koltunski
|
canvas.drawLine( left, M*HEIGHT+D, side +left, M*HEIGHT+D, paint);
|
447 |
|
|
canvas.drawLine( OFF +left, M*side +D, OFF2 +left, D, paint);
|
448 |
|
|
canvas.drawLine((side-OFF)+left, M*side +D, (side-OFF2) +left, D, paint);
|
449 |
7289fd6c
|
Leszek Koltunski
|
|
450 |
e35247b8
|
Leszek Koltunski
|
canvas.drawArc( ARC1_W-RADIUS+left, M*(ARC1_H-RADIUS)+D, ARC1_W+RADIUS+left, M*(ARC1_H+RADIUS)+D, 225, 90, false, paint);
|
451 |
|
|
canvas.drawArc( ARC2_W-RADIUS+left, M*(ARC2_H-RADIUS)+D, ARC2_W+RADIUS+left, M*(ARC2_H+RADIUS)+D, 105, 90, false, paint);
|
452 |
|
|
canvas.drawArc( ARC3_W-RADIUS+left, M*(ARC2_H-RADIUS)+D, ARC3_W+RADIUS+left, M*(ARC2_H+RADIUS)+D, 345, 90, false, paint);
|
453 |
7289fd6c
|
Leszek Koltunski
|
}
|
454 |
|
|
|
455 |
fb377dae
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
456 |
7403cdfa
|
Leszek Koltunski
|
// SQ6/3 = height of the tetrahedron
|
457 |
fb377dae
|
Leszek Koltunski
|
|
458 |
|
|
float returnMultiplier()
|
459 |
|
|
{
|
460 |
7403cdfa
|
Leszek Koltunski
|
return getSize()/(SQ6/3);
|
461 |
fb377dae
|
Leszek Koltunski
|
}
|
462 |
|
|
|
463 |
7c969a6d
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
464 |
|
|
|
465 |
|
|
float[] getRowChances()
|
466 |
|
|
{
|
467 |
|
|
int size = getSize();
|
468 |
|
|
int total = size*(size+1)/2;
|
469 |
|
|
float running=0.0f;
|
470 |
|
|
float[] chances = new float[size];
|
471 |
|
|
|
472 |
|
|
for(int i=0; i<size; i++)
|
473 |
|
|
{
|
474 |
|
|
running += (size-i);
|
475 |
|
|
chances[i] = running / total;
|
476 |
|
|
}
|
477 |
|
|
|
478 |
|
|
return chances;
|
479 |
|
|
}
|
480 |
|
|
|
481 |
e844c116
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
482 |
|
|
// PUBLIC API
|
483 |
|
|
|
484 |
12ad3fca
|
Leszek Koltunski
|
public Static3D[] getRotationAxis()
|
485 |
|
|
{
|
486 |
ad38d800
|
Leszek Koltunski
|
return ROT_AXIS;
|
487 |
12ad3fca
|
Leszek Koltunski
|
}
|
488 |
|
|
|
489 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
490 |
|
|
|
491 |
e844c116
|
Leszek Koltunski
|
public int getBasicAngle()
|
492 |
|
|
{
|
493 |
|
|
return 3;
|
494 |
|
|
}
|
495 |
39e74052
|
Leszek Koltunski
|
|
496 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
497 |
|
|
|
498 |
fb377dae
|
Leszek Koltunski
|
public int computeRowFromOffset(float offset)
|
499 |
39e74052
|
Leszek Koltunski
|
{
|
500 |
7403cdfa
|
Leszek Koltunski
|
return (int)(getSize()*offset/(SQ6/3));
|
501 |
39e74052
|
Leszek Koltunski
|
}
|
502 |
e46e17fb
|
Leszek Koltunski
|
|
503 |
5cf34c5f
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
504 |
|
|
|
505 |
7c969a6d
|
Leszek Koltunski
|
public float returnRotationFactor(float offset)
|
506 |
5cf34c5f
|
Leszek Koltunski
|
{
|
507 |
|
|
int size = getSize();
|
508 |
7c969a6d
|
Leszek Koltunski
|
int row = (int)(size*offset/(SQ3/2));
|
509 |
5cf34c5f
|
Leszek Koltunski
|
|
510 |
7c969a6d
|
Leszek Koltunski
|
return ((float)size)/(size-row);
|
511 |
|
|
}
|
512 |
|
|
|
513 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
514 |
|
|
|
515 |
|
|
public int randomizeNewRotAxis(Random rnd, int oldRotAxis)
|
516 |
|
|
{
|
517 |
|
|
int numAxis = ROTATION_AXIS.length;
|
518 |
|
|
|
519 |
|
|
if( oldRotAxis == START_AXIS )
|
520 |
5cf34c5f
|
Leszek Koltunski
|
{
|
521 |
7c969a6d
|
Leszek Koltunski
|
return rnd.nextInt(numAxis);
|
522 |
|
|
}
|
523 |
|
|
else
|
524 |
|
|
{
|
525 |
|
|
int newVector = rnd.nextInt(numAxis-1);
|
526 |
|
|
return (newVector>=oldRotAxis ? newVector+1 : newVector);
|
527 |
5cf34c5f
|
Leszek Koltunski
|
}
|
528 |
|
|
}
|
529 |
|
|
|
530 |
e46e17fb
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
531 |
|
|
|
532 |
7c969a6d
|
Leszek Koltunski
|
public int randomizeNewRow(Random rnd, int oldRotAxis, int oldRow, int newRotAxis)
|
533 |
e46e17fb
|
Leszek Koltunski
|
{
|
534 |
7c969a6d
|
Leszek Koltunski
|
float rowFloat = rnd.nextFloat();
|
535 |
e46e17fb
|
Leszek Koltunski
|
|
536 |
7c969a6d
|
Leszek Koltunski
|
for(int row=0; row<mRowChances.length; row++)
|
537 |
|
|
{
|
538 |
|
|
if( rowFloat<=mRowChances[row] ) return row;
|
539 |
|
|
}
|
540 |
|
|
|
541 |
|
|
return 0;
|
542 |
e46e17fb
|
Leszek Koltunski
|
}
|
543 |
f0336037
|
Leszek Koltunski
|
|
544 |
6b6504fe
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
545 |
|
|
|
546 |
|
|
public boolean isSolved()
|
547 |
|
|
{
|
548 |
|
|
int index = CUBITS[0].mQuatIndex;
|
549 |
|
|
|
550 |
|
|
for(int i=1; i<NUM_CUBITS; i++)
|
551 |
|
|
{
|
552 |
|
|
if( !thereIsNoVisibleDifference(CUBITS[i], index) ) return false;
|
553 |
|
|
}
|
554 |
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|
555 |
|
|
return true;
|
556 |
|
|
}
|
557 |
|
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|
558 |
1ebc4767
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
559 |
|
|
// return if the Cubit, when rotated with its own mQuatScramble, would have looked any different
|
560 |
|
|
// then if it were rotated by quaternion 'quat'.
|
561 |
|
|
// No it is not so simple as the quats need to be the same - imagine a 4x4x4 cube where the two
|
562 |
|
|
// middle squares get interchanged. No visible difference!
|
563 |
|
|
//
|
564 |
|
|
// So: this is true iff the cubit
|
565 |
|
|
// a) is a corner or edge and the quaternions are the same
|
566 |
|
|
// b) is inside one of the faces and after rotations by both quats it ends up on the same face.
|
567 |
|
|
|
568 |
6b6504fe
|
Leszek Koltunski
|
private boolean thereIsNoVisibleDifference(Cubit cubit, int quatIndex)
|
569 |
1ebc4767
|
Leszek Koltunski
|
{
|
570 |
|
|
if ( cubit.mQuatIndex == quatIndex ) return true;
|
571 |
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|
572 |
|
|
int belongsToHowManyFaces = 0;
|
573 |
|
|
int size = getSize()-1;
|
574 |
|
|
float row;
|
575 |
|
|
final float MAX_ERROR = 0.01f;
|
576 |
|
|
|
577 |
|
|
for(int i=0; i<NUM_AXIS; i++)
|
578 |
|
|
{
|
579 |
|
|
row = cubit.mRotationRow[i];
|
580 |
|
|
if( (row <MAX_ERROR && row >-MAX_ERROR) ||
|
581 |
|
|
(row-size<MAX_ERROR && row-size>-MAX_ERROR) ) belongsToHowManyFaces++;
|
582 |
|
|
}
|
583 |
|
|
|
584 |
|
|
switch(belongsToHowManyFaces)
|
585 |
|
|
{
|
586 |
|
|
case 0 : return true ; // 'inside' cubit that does not lie on any face
|
587 |
|
|
case 1 : // cubit that lies inside one of the faces
|
588 |
|
|
Static3D orig = cubit.getOrigPosition();
|
589 |
|
|
Static4D quat1 = QUATS[quatIndex];
|
590 |
|
|
Static4D quat2 = QUATS[cubit.mQuatIndex];
|
591 |
|
|
|
592 |
|
|
Static4D cubitCenter = new Static4D( orig.get0(), orig.get1(), orig.get2(), 0);
|
593 |
|
|
Static4D rotated1 = RubikSurfaceView.rotateVectorByQuat( cubitCenter, quat1 );
|
594 |
|
|
Static4D rotated2 = RubikSurfaceView.rotateVectorByQuat( cubitCenter, quat2 );
|
595 |
|
|
|
596 |
|
|
float row1, row2, row3, row4;
|
597 |
|
|
float ax,ay,az;
|
598 |
|
|
Static3D axis;
|
599 |
|
|
float x1 = rotated1.get0();
|
600 |
|
|
float y1 = rotated1.get1();
|
601 |
|
|
float z1 = rotated1.get2();
|
602 |
|
|
float x2 = rotated2.get0();
|
603 |
|
|
float y2 = rotated2.get1();
|
604 |
|
|
float z2 = rotated2.get2();
|
605 |
|
|
|
606 |
|
|
for(int i=0; i<NUM_AXIS; i++)
|
607 |
|
|
{
|
608 |
|
|
axis = ROTATION_AXIS[i];
|
609 |
|
|
ax = axis.get0();
|
610 |
|
|
ay = axis.get1();
|
611 |
|
|
az = axis.get2();
|
612 |
|
|
|
613 |
|
|
row1 = ((x1*ax + y1*ay + z1*az) - mStart) / mStep;
|
614 |
|
|
row2 = ((x2*ax + y2*ay + z2*az) - mStart) / mStep;
|
615 |
|
|
row3 = row1 - size;
|
616 |
|
|
row4 = row2 - size;
|
617 |
|
|
|
618 |
|
|
if( (row1<MAX_ERROR && row1>-MAX_ERROR && row2<MAX_ERROR && row2>-MAX_ERROR) ||
|
619 |
|
|
(row3<MAX_ERROR && row3>-MAX_ERROR && row4<MAX_ERROR && row4>-MAX_ERROR) )
|
620 |
|
|
{
|
621 |
|
|
return true;
|
622 |
|
|
}
|
623 |
|
|
}
|
624 |
|
|
return false;
|
625 |
|
|
|
626 |
|
|
default: return false; // edge or corner
|
627 |
|
|
}
|
628 |
|
|
}
|
629 |
|
|
|
630 |
f0336037
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
631 |
ee35e63c
|
Leszek Koltunski
|
// only needed for solvers - there are no Pyraminx solvers ATM)
|
632 |
f0336037
|
Leszek Koltunski
|
|
633 |
20931cf6
|
Leszek Koltunski
|
public String retObjectString()
|
634 |
f0336037
|
Leszek Koltunski
|
{
|
635 |
|
|
return "";
|
636 |
|
|
}
|
637 |
e844c116
|
Leszek Koltunski
|
}
|