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15bcc6f7
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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 Distorted. //
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// //
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// Distorted 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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// Distorted 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 Distorted. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.examples.rubik;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import org.distorted.library.effect.MatrixEffectMove;
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import org.distorted.library.effect.MatrixEffectQuaternion;
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import org.distorted.library.effect.MatrixEffectRotate;
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import org.distorted.library.effect.MatrixEffectScale;
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import org.distorted.library.effect.VertexEffectSink;
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import org.distorted.library.main.DistortedEffects;
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import org.distorted.library.main.DistortedScreen;
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import org.distorted.library.main.DistortedTexture;
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import org.distorted.library.mesh.MeshCubes;
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b62eb334
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Leszek Koltunski
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import org.distorted.library.message.EffectListener;
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15bcc6f7
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Leszek Koltunski
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import org.distorted.library.type.Dynamic1D;
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import org.distorted.library.type.Static1D;
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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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class RubikCube
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{
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7f986357
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private static final int TEXTURE_SIZE = 100;
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Leszek Koltunski
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private static final Static3D VectX = new Static3D(1,0,0);
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private static final Static3D VectY = new Static3D(0,1,0);
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private static final Static3D VectZ = new Static3D(0,0,1);
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private MeshCubes[][][] mCubes;
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private DistortedEffects[][][] mEffects;
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private Static4D[][][] mQuatScramble;
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private Static3D[][][] mRotationAxis;
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private Dynamic1D[][][] mRotationAngle;
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private Static3D[][][] mCurrentPosition;
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b62eb334
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private Static1D mRotationAngleStatic, mRotationAngleNearest;
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15bcc6f7
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private DistortedTexture mTexture;
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private DistortedEffects mEffectsListeningForNow;
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private int mRotAxis, mRotRow;
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private int mSize;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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RubikCube(int size, Static3D move, Static3D scale, Static4D quatC, Static4D quatA)
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{
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mSize = size;
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mRotationAngleStatic = new Static1D(0);
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mRotationAngleNearest = new Static1D(0);
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dc8979ba
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mRotAxis= RubikSurfaceView.VECTX;
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15bcc6f7
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mTexture = new DistortedTexture(TEXTURE_SIZE,TEXTURE_SIZE);
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mCubes = new MeshCubes[mSize][mSize][mSize];
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mEffects = new DistortedEffects[mSize][mSize][mSize];
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mQuatScramble = new Static4D[mSize][mSize][mSize];
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mRotationAxis = new Static3D[mSize][mSize][mSize];
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mRotationAngle = new Dynamic1D[mSize][mSize][mSize];
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mCurrentPosition= new Static3D[mSize][mSize][mSize];
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Static3D[][][] cubeVectors = new Static3D[mSize][mSize][mSize];
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Static3D center = new Static3D(TEXTURE_SIZE*0.5f, TEXTURE_SIZE*0.5f, TEXTURE_SIZE*0.5f);
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Static4D region = new Static4D(0,0,0, TEXTURE_SIZE*0.72f);
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VertexEffectSink sinkEffect = new VertexEffectSink( new Static1D(3.0f - 1.8f/mSize), center, region );
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MatrixEffectMove moveEffect = new MatrixEffectMove(move);
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MatrixEffectScale scaleEffect = new MatrixEffectScale(scale);
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MatrixEffectQuaternion quatCEffect = new MatrixEffectQuaternion(quatC, center);
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MatrixEffectQuaternion quatAEffect = new MatrixEffectQuaternion(quatA, center);
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// 3x2 bitmap = 6 squares:
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//
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// RED GREEN BLUE
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// YELLOW WHITE BROWN
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final float ze = 0.0f;
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final float ot = 1.0f/3.0f;
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final float tt = 2.0f/3.0f;
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final float oh = 1.0f/2.0f;
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final float of = 1.0f/40.0f;
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final Static4D mapFront = new Static4D(ze,oh, ze+ot,oh+oh);
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final Static4D mapBack = new Static4D(tt,ze, tt+ot,ze+oh);
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final Static4D mapLeft = new Static4D(ot,ze, ot+ot,ze+oh);
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final Static4D mapRight = new Static4D(ze,ze, ze+ot,ze+oh);
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final Static4D mapTop = new Static4D(tt,oh, tt+ot,oh+oh);
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final Static4D mapBottom= new Static4D(ot,oh, ot+ot,oh+oh);
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final Static4D mapBlack = new Static4D(ze,ze, ze+of,ze+of);
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Static4D tmpFront, tmpBack, tmpLeft, tmpRight, tmpTop, tmpBottom;
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float nc = 0.5f*(mSize-1);
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int vertices = (int)(24.0f/mSize + 2.0f);
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for(int x = 0; x< mSize; x++)
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for(int y = 0; y< mSize; y++)
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for(int z = 0; z< mSize; z++)
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{
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if( x==0 || x==mSize-1 || y==0 || y==mSize-1 || z==0 || z==mSize-1 ) // only the external walls
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{
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tmpLeft = (x== 0 ? mapLeft :mapBlack);
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tmpRight = (x== mSize-1 ? mapRight :mapBlack);
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tmpFront = (z== mSize-1 ? mapFront :mapBlack);
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tmpBack = (z== 0 ? mapBack :mapBlack);
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tmpTop = (y== mSize-1 ? mapTop :mapBlack);
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tmpBottom= (y== 0 ? mapBottom:mapBlack);
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mCubes[x][y][z] = new MeshCubes(vertices,vertices,vertices, tmpFront, tmpBack, tmpLeft, tmpRight, tmpTop, tmpBottom);
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cubeVectors[x][y][z] = new Static3D( TEXTURE_SIZE*(x-nc), TEXTURE_SIZE*(y-nc), TEXTURE_SIZE*(z-nc) );
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mQuatScramble[x][y][z] = new Static4D(0,0,0,1);
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mRotationAngle[x][y][z] = new Dynamic1D();
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mRotationAxis[x][y][z] = new Static3D(1,0,0);
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mCurrentPosition[x][y][z] = new Static3D(x,y,z);
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mEffects[x][y][z] = new DistortedEffects();
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mEffects[x][y][z].apply(sinkEffect);
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mEffects[x][y][z].apply(moveEffect);
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mEffects[x][y][z].apply(scaleEffect);
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mEffects[x][y][z].apply(quatCEffect);
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mEffects[x][y][z].apply(quatAEffect);
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mEffects[x][y][z].apply( new MatrixEffectRotate( mRotationAngle[x][y][z], mRotationAxis[x][y][z], center));
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mEffects[x][y][z].apply( new MatrixEffectQuaternion(mQuatScramble[x][y][z], center));
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mEffects[x][y][z].apply( new MatrixEffectMove(cubeVectors[x][y][z]) );
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}
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void attachToScreen(DistortedScreen screen)
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{
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for(int x=0; x<mSize; x++)
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for(int y=0; y<mSize; y++)
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for(int z=0; z<mSize; z++)
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{
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if( x==0 || x==mSize-1 || y==0 || y==mSize-1 || z==0 || z==mSize-1 )
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{
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screen.attach(mTexture,mEffects[x][y][z],mCubes[x][y][z]);
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}
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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7f986357
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Leszek Koltunski
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void addNewRotation(int vector, float offset )
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15bcc6f7
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Leszek Koltunski
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{
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Static3D axis = VectX;
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switch(vector)
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{
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case RubikSurfaceView.VECTX: axis = VectX; break;
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case RubikSurfaceView.VECTY: axis = VectY; break;
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case RubikSurfaceView.VECTZ: axis = VectZ; break;
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}
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mRotAxis = vector;
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7f986357
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Leszek Koltunski
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mRotRow = (int)(mSize*offset);
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15bcc6f7
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Leszek Koltunski
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mRotationAngleStatic.set1(0.0f);
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for(int x=0; x<mSize; x++)
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for(int y=0; y<mSize; y++)
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for(int z=0; z<mSize; z++)
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if( x==0 || x==mSize-1 || y==0 || y==mSize-1 || z==0 || z==mSize-1 )
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{
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7f986357
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Leszek Koltunski
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if( belongsToRotation(x,y,z,vector,mRotRow) )
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15bcc6f7
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Leszek Koltunski
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{
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mRotationAxis[x][y][z].set(axis);
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mRotationAngle[x][y][z].add(mRotationAngleStatic);
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}
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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b62eb334
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Leszek Koltunski
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void continueRotation(float angleInDegrees)
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{
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mRotationAngleStatic.set1(angleInDegrees);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int computeNearestAngle(float angle)
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15bcc6f7
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Leszek Koltunski
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{
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b62eb334
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Leszek Koltunski
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final int NEAREST = 90;
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int tmp = (int)((angle+NEAREST/2)/NEAREST);
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if( angle< -(NEAREST/2) ) tmp-=1;
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return NEAREST*tmp;
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15bcc6f7
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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b62eb334
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Leszek Koltunski
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void finishRotationCalledOnNextRender(EffectListener listener)
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15bcc6f7
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Leszek Koltunski
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{
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b62eb334
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Leszek Koltunski
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boolean first = true;
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int nearestAngleInDegrees = computeNearestAngle(mRotationAngleStatic.get1());
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android.util.Log.e("cube", "finish: angle="+((int)mRotationAngleStatic.get1())+" ret: "+nearestAngleInDegrees);
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mRotationAngleNearest.set1(nearestAngleInDegrees);
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for(int x=0; x<mSize; x++)
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for(int y=0; y<mSize; y++)
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for(int z=0; z<mSize; z++)
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if( x==0 || x==mSize-1 || y==0 || y==mSize-1 || z==0 || z==mSize-1 )
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{
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if( belongsToRotation(x,y,z,mRotAxis,mRotRow) )
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{
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mRotationAngle[x][y][z].makeRunNowFor(2000);
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mRotationAngle[x][y][z].add(mRotationAngleNearest);
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if( first )
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{
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first = false;
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mEffectsListeningForNow = mEffects[x][y][z];
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mEffectsListeningForNow.registerForMessages(listener);
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}
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}
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void removeRotationCalledOnNextRender(EffectListener listener)
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{
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mEffectsListeningForNow.deregisterForMessages(listener);
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int nearestAngleInDegrees = computeNearestAngle(mRotationAngleStatic.get1());
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15bcc6f7
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Leszek Koltunski
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double nearestAngleInRadians = nearestAngleInDegrees*Math.PI/180;
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b62eb334
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Leszek Koltunski
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float sinA =-(float)Math.sin(nearestAngleInRadians*0.5);
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15bcc6f7
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Leszek Koltunski
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float cosA = (float)Math.cos(nearestAngleInRadians*0.5);
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b62eb334
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Leszek Koltunski
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android.util.Log.e("cube", "remove: angle="+((int)mRotationAngleStatic.get1())+" ret: "+nearestAngleInDegrees);
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15bcc6f7
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Leszek Koltunski
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mRotationAngleStatic.set1(0);
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b62eb334
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Leszek Koltunski
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mRotationAngleNearest.set1(0);
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15bcc6f7
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Leszek Koltunski
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float qx=0,qy=0,qz=0;
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switch(mRotAxis)
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{
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case RubikSurfaceView.VECTX: qx=1; break;
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case RubikSurfaceView.VECTY: qy=1; break;
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case RubikSurfaceView.VECTZ: qz=1; break;
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}
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Static4D quat = new Static4D(qx*sinA, qy*sinA, qz*sinA, cosA);
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for(int x=0; x<mSize; x++)
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for(int y=0; y<mSize; y++)
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for(int z=0; z<mSize; z++)
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if( x==0 || x==mSize-1 || y==0 || y==mSize-1 || z==0 || z==mSize-1 )
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{
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if( belongsToRotation(x,y,z,mRotAxis,mRotRow) )
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{
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b62eb334
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Leszek Koltunski
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mRotationAngle[x][y][z].makeRunNowFor(0);
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15bcc6f7
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Leszek Koltunski
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mRotationAngle[x][y][z].removeAll();
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mQuatScramble[x][y][z].set(RubikSurfaceView.quatMultiply(quat,mQuatScramble[x][y][z]));
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modifyCurrentPosition(x,y,z,quat);
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}
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private boolean belongsToRotation(int x, int y, int z, int vector, int row)
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| 294 |
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|
{
|
| 295 |
|
|
switch(vector)
|
| 296 |
|
|
{
|
| 297 |
|
|
case RubikSurfaceView.VECTX: return mCurrentPosition[x][y][z].get1()==row;
|
| 298 |
|
|
case RubikSurfaceView.VECTY: return mCurrentPosition[x][y][z].get2()==row;
|
| 299 |
|
|
case RubikSurfaceView.VECTZ: return mCurrentPosition[x][y][z].get3()==row;
|
| 300 |
|
|
}
|
| 301 |
|
|
|
| 302 |
|
|
return false;
|
| 303 |
|
|
}
|
| 304 |
|
|
|
| 305 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 306 |
|
|
|
| 307 |
|
|
private void modifyCurrentPosition(int x, int y, int z, Static4D quat)
|
| 308 |
|
|
{
|
| 309 |
|
|
Static3D current = mCurrentPosition[x][y][z];
|
| 310 |
|
|
float diff = 0.5f*(mSize-1);
|
| 311 |
483ae94e
|
Leszek Koltunski
|
float cubitCenterX = current.get1() - diff;
|
| 312 |
|
|
float cubitCenterY = current.get2() - diff;
|
| 313 |
|
|
float cubitCenterZ = current.get3() - diff;
|
| 314 |
15bcc6f7
|
Leszek Koltunski
|
|
| 315 |
|
|
Static4D cubitCenter = new Static4D(cubitCenterX, cubitCenterY, cubitCenterZ, 0);
|
| 316 |
|
|
Static4D rotatedCenter = RubikSurfaceView.rotateVectorByQuat( cubitCenter, quat);
|
| 317 |
|
|
|
| 318 |
|
|
float rotatedX = rotatedCenter.get1() + diff;
|
| 319 |
|
|
float rotatedY = rotatedCenter.get2() + diff;
|
| 320 |
|
|
float rotatedZ = rotatedCenter.get3() + diff;
|
| 321 |
|
|
|
| 322 |
|
|
int roundedX = (int)(rotatedX+0.1f);
|
| 323 |
|
|
int roundedY = (int)(rotatedY+0.1f);
|
| 324 |
|
|
int roundedZ = (int)(rotatedZ+0.1f);
|
| 325 |
|
|
|
| 326 |
|
|
mCurrentPosition[x][y][z].set1(roundedX);
|
| 327 |
|
|
mCurrentPosition[x][y][z].set2(roundedY);
|
| 328 |
|
|
mCurrentPosition[x][y][z].set3(roundedZ);
|
| 329 |
|
|
}
|
| 330 |
|
|
|
| 331 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 332 |
|
|
|
| 333 |
|
|
void createTexture()
|
| 334 |
|
|
{
|
| 335 |
|
|
Bitmap bitmap;
|
| 336 |
|
|
|
| 337 |
|
|
final int S = 128;
|
| 338 |
|
|
final int W = 3*S;
|
| 339 |
|
|
final int H = 2*S;
|
| 340 |
|
|
final int R = S/10;
|
| 341 |
|
|
final int M = S/20;
|
| 342 |
|
|
|
| 343 |
|
|
Paint paint = new Paint();
|
| 344 |
|
|
bitmap = Bitmap.createBitmap(W,H, Bitmap.Config.ARGB_8888);
|
| 345 |
|
|
Canvas canvas = new Canvas(bitmap);
|
| 346 |
|
|
|
| 347 |
|
|
paint.setAntiAlias(true);
|
| 348 |
|
|
paint.setTextAlign(Paint.Align.CENTER);
|
| 349 |
|
|
paint.setStyle(Paint.Style.FILL);
|
| 350 |
|
|
|
| 351 |
|
|
// 3x2 bitmap = 6 squares:
|
| 352 |
|
|
//
|
| 353 |
|
|
// RED GREEN BLUE
|
| 354 |
|
|
// YELLOW WHITE BROWN
|
| 355 |
|
|
|
| 356 |
|
|
paint.setColor(0xff000000); // BLACK BACKGROUND
|
| 357 |
|
|
canvas.drawRect(0, 0, W, H, paint); //
|
| 358 |
|
|
|
| 359 |
|
|
paint.setColor(0xffff0000); // RED
|
| 360 |
|
|
canvas.drawRoundRect( M, M, S-M, S-M, R, R, paint); //
|
| 361 |
|
|
paint.setColor(0xff00ff00); // GREEN
|
| 362 |
|
|
canvas.drawRoundRect( S+M, M, 2*S-M, S-M, R, R, paint); //
|
| 363 |
|
|
paint.setColor(0xff0000ff); // BLUE
|
| 364 |
|
|
canvas.drawRoundRect(2*S+M, M, 3*S-M, S-M, R, R, paint); //
|
| 365 |
|
|
paint.setColor(0xffffff00); // YELLOW
|
| 366 |
|
|
canvas.drawRoundRect( M, S+M, S-M, 2*S-M, R, R, paint); //
|
| 367 |
|
|
paint.setColor(0xffffffff); // WHITE
|
| 368 |
|
|
canvas.drawRoundRect( S+M, S+M, 2*S-M, 2*S-M, R, R, paint); //
|
| 369 |
|
|
paint.setColor(0xffb5651d); // BROWN
|
| 370 |
|
|
canvas.drawRoundRect(2*S+M, S+M, 3*S-M, 2*S-M, R, R, paint); //
|
| 371 |
|
|
|
| 372 |
|
|
mTexture.setTexture(bitmap);
|
| 373 |
|
|
}
|
| 374 |
|
|
|
| 375 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 376 |
|
|
|
| 377 |
483ae94e
|
Leszek Koltunski
|
float getTextureSize()
|
| 378 |
15bcc6f7
|
Leszek Koltunski
|
{
|
| 379 |
483ae94e
|
Leszek Koltunski
|
return TEXTURE_SIZE;
|
| 380 |
15bcc6f7
|
Leszek Koltunski
|
}
|
| 381 |
7f986357
|
Leszek Koltunski
|
|
| 382 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 383 |
|
|
|
| 384 |
483ae94e
|
Leszek Koltunski
|
float getSize()
|
| 385 |
7f986357
|
Leszek Koltunski
|
{
|
| 386 |
483ae94e
|
Leszek Koltunski
|
return mSize;
|
| 387 |
7f986357
|
Leszek Koltunski
|
}
|
| 388 |
15bcc6f7
|
Leszek Koltunski
|
}
|