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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2021 Leszek Koltunski //
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// //
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// This file is part of Magic Cube. //
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// //
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// Magic Cube is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// Magic Cube is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with Magic Cube. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.objects;
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import android.content.res.Resources;
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import org.distorted.library.main.DistortedEffects;
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import org.distorted.library.main.DistortedTexture;
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import org.distorted.library.mesh.MeshSquare;
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import org.distorted.library.type.Static3D;
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import org.distorted.library.type.Static4D;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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abstract class TwistySquare extends Twisty6
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{
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static final float COS15 = (SQ6+SQ2)/4;
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static final float SIN15 = (SQ6-SQ2)/4;
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static final float X = 3*(2-SQ3)/2;
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// The third, artificial axis is for the generic scrambling algorithm.
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// Otherwise it wouldn't be possible to rotate the LO and UP layers
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// consecutively.
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static final Static3D[] ROT_AXIS = new Static3D[]
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{
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new Static3D(0,+1,0),
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new Static3D(COS15,0,SIN15),
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new Static3D(0,-1,0),
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};
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private int[] mBasicAngle;
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private float[][] mCuts;
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private boolean[][] mLayerRotatable;
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private Movement mMovement;
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Static4D[] mQuats;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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TwistySquare(int size, Static4D quat, DistortedTexture texture, MeshSquare mesh,
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DistortedEffects effects, int[][] moves, ObjectList obj, Resources res, int scrWidth)
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{
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super(size, size, quat, texture, mesh, effects, moves, obj, res, scrWidth);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void initializeQuats()
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{
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mQuats = new Static4D[]
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{
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new Static4D( 0.0f, 0.0f, 0.0f, 1.0f ),
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new Static4D( 0.0f, SIN15, 0.0f, COS15 ),
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new Static4D( 0.0f, 0.5f, 0.0f, SQ3/2 ),
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new Static4D( 0.0f, SQ2/2, 0.0f, SQ2/2 ),
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new Static4D( 0.0f, SQ3/2, 0.0f, 0.5f ),
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new Static4D( 0.0f, COS15, 0.0f, SIN15 ),
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new Static4D( 0.0f, 1.0f, 0.0f, 0.0f ),
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new Static4D( 0.0f, COS15, 0.0f,-SIN15 ),
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new Static4D( 0.0f, SQ3/2, 0.0f, -0.5f ),
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new Static4D( 0.0f, SQ2/2, 0.0f,-SQ2/2 ),
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new Static4D( 0.0f, 0.5f, 0.0f,-SQ3/2 ),
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new Static4D( 0.0f, SIN15, 0.0f,-COS15 ),
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new Static4D( 1.0f, 0.0f, 0.0f, 0.0f ),
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new Static4D( COS15, 0.0f, SIN15, 0.0f ),
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new Static4D( SQ3/2, 0.0f, 0.5f, 0.0f ),
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new Static4D( SQ2/2, 0.0f, SQ2/2, 0.0f ),
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new Static4D( 0.5f, 0.0f, SQ3/2, 0.0f ),
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new Static4D( SIN15, 0.0f, COS15, 0.0f ),
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new Static4D( 0.0f, 0.0f, 1.0f, 0.0f ),
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new Static4D(-SIN15, 0.0f, COS15, 0.0f ),
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new Static4D( -0.5f, 0.0f, SQ3/2, 0.0f ),
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new Static4D(-SQ2/2, 0.0f, SQ2/2, 0.0f ),
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new Static4D(-SQ3/2, 0.0f, 0.5f, 0.0f ),
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new Static4D(-COS15, 0.0f, SIN15, 0.0f )
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};
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void initializeBasicAngle()
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{
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mBasicAngle = new int[] {12,2,12};
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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Static4D[] getQuats()
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{
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if( mQuats==null ) initializeQuats();
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return mQuats;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int getNumCubitFaces()
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{
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return 6;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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float[][] getCuts(int numLayers)
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{
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if( mCuts==null )
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{
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mCuts = new float[][] { {-0.5f,+0.5f}, {0.0f}, {-0.5f,+0.5f} };
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}
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return mCuts;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void getLayerRotatable(int numLayers)
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{
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if( mLayerRotatable==null )
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{
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mLayerRotatable = new boolean[][] { {true,false,true}, {true,true}, {true,false,true} };
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// PUBLIC API
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public Static3D[] getRotationAxis()
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{
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return ROT_AXIS;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public Movement getMovement()
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{
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if( mMovement==null )
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{
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int numLayers = getNumLayers();
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if( mCuts==null ) getCuts(numLayers);
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getLayerRotatable(numLayers);
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mMovement = new MovementSquare(mCuts,mLayerRotatable,numLayers);
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}
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return mMovement;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public int[] getBasicAngle()
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{
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if( mBasicAngle ==null ) initializeBasicAngle();
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return mBasicAngle;
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}
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}
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