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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2022 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.bandaged;
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import javax.microedition.khronos.egl.EGLConfig;
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import javax.microedition.khronos.opengles.GL10;
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import android.opengl.GLSurfaceView;
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import org.distorted.library.main.DistortedLibrary;
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import org.distorted.library.main.DistortedNode;
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import org.distorted.library.main.DistortedScreen;
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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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public class BandagedCreatorRenderer implements GLSurfaceView.Renderer, DistortedLibrary.ExceptionListener
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{
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static final int COLOR_DEFAULT = 0xffffff55;
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static final int COLOR_MARKED = 0xffff0000;
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static final float SCREEN_RATIO = 0.5f;
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static final float OBJECT_SIZE = 3.0f;
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private final float[][] POSITIONS = new float[][]
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{
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{-1, 1, 1},
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{-1, 1, 0},
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{-1, 1, -1},
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{-1, 0, 1},
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{-1, 0, 0},
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{-1, 0, -1},
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{-1, -1, 1},
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{-1, -1, 0},
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{-1, -1, -1},
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{ 0, -1, 1},
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{ 0, -1, 0},
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{ 0, 1, 1},
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{ 0, 1, 0},
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{ 0, 1, -1},
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{ 0, 0, 1},
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{ 0, 0, -1},
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{ 1, 1, 1},
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{ 1, 1, 0},
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{ 1, 1, -1},
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{ 1, 0, 1},
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{ 1, 0, 0},
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{ 1, -1, 1},
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{ 1, 0, -1},
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{ 1, -1, -1},
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{ 1, -1, 0},
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{ 0, -1, -1},
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};
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private final BandagedCreatorView mView;
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private final DistortedScreen mScreen;
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private final Static3D mScale;
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private final BandagedCubit[] mCubits;
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private final Static4D mQuatT, mQuatA;
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private float mScaleValue;
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private float mX, mY, mZ, mW;
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private boolean mResetQuats, mSetQuatT;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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BandagedCreatorRenderer(BandagedCreatorView v)
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{
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final float BRIGHTNESS = 0.333f;
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mQuatT = new Static4D(0,0,0,1);
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mQuatA = new Static4D(-0.25189602f,0.3546389f,0.009657208f,0.90038127f);
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mView = v;
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mResetQuats = false;
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mSetQuatT = false;
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mScreen = new DistortedScreen();
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mScreen.glClearColor(BRIGHTNESS, BRIGHTNESS, BRIGHTNESS, 1.0f);
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mScale = new Static3D(1,1,1);
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mCubits= createCubits();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private BandagedCubit[] createCubits()
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{
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int len = POSITIONS.length;
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BandagedCubit[] cubits = new BandagedCubit[len];
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for(int c=0; c<len; c++)
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{
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cubits[c] = new BandagedCubit(POSITIONS[c],mQuatT,mQuatA,mScale,COLOR_DEFAULT);
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}
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return cubits;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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@Override
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public void onDrawFrame(GL10 glUnused)
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{
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long time = System.currentTimeMillis();
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mScreen.render(time);
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if( mSetQuatT )
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{
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mSetQuatT = false;
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mQuatT.set(mX,mY,mZ,mW);
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}
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if( mResetQuats )
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{
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mResetQuats = false;
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float qx = mQuatT.get0();
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float qy = mQuatT.get1();
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float qz = mQuatT.get2();
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float qw = mQuatT.get3();
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float rx = mQuatA.get0();
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float ry = mQuatA.get1();
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float rz = mQuatA.get2();
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float rw = mQuatA.get3();
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float tx = rw*qx - rz*qy + ry*qz + rx*qw;
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float ty = rw*qy + rz*qx + ry*qw - rx*qz;
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float tz = rw*qz + rz*qw - ry*qx + rx*qy;
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float tw = rw*qw - rz*qz - ry*qy - rx*qx;
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mQuatT.set(0f, 0f, 0f, 1f);
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mQuatA.set(tx, ty, tz, tw);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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@Override
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public void onSurfaceChanged(GL10 glUnused, int width, int height)
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{
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final float Q = SCREEN_RATIO/OBJECT_SIZE;
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mScaleValue = width<height ? Q*width : Q*height;
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mScreen.detachAll();
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int len = POSITIONS.length;
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for(int i=0; i<len; i++)
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if( mCubits[i].isAttached() )
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{
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mCubits[i].scaleMove(mScaleValue);
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mCubits[i].setTexture(COLOR_DEFAULT);
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DistortedNode node = mCubits[i].getNode();
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mScreen.attach(node);
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}
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mScale.set( mScaleValue,mScaleValue,mScaleValue );
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mView.setScreenSize(width,height);
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mScreen.resize(width,height);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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@Override
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public void onSurfaceCreated(GL10 glUnused, EGLConfig config)
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{
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DistortedLibrary.onSurfaceCreated(mView.getContext(),this,1);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void distortedException(Exception ex)
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{
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android.util.Log.e("CREATOR", "unexpected exception: "+ex.getMessage() );
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public BandagedCubit[] getCubits()
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{
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return mCubits;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public DistortedScreen getScreen()
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{
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return mScreen;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private boolean isAdjacent(float[] pos1, float[] pos2)
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{
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int len1 = pos1.length/3;
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int len2 = pos2.length/3;
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for(int i=0; i<len1; i++)
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for(int j=0; j<len2; j++)
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{
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float d0 = pos1[3*i ] - pos2[3*j ];
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float d1 = pos1[3*i+1] - pos2[3*j+1];
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float d2 = pos1[3*i+2] - pos2[3*j+2];
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if( d0*d0 + d1*d1 + d2*d2 == 1 ) return true;
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}
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return false;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void tryConnectingCubits(int index1, int index2)
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{
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if( index1!=index2 )
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{
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float[] pos1 = mCubits[index1].getPosition();
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float[] pos2 = mCubits[index2].getPosition();
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if( isAdjacent(pos1,pos2) )
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{
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mCubits[index2].join(pos1,mScaleValue);
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mCubits[index1].detach();
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mScreen.detach(mCubits[index1].getNode());
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}
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public Static4D getQuatAccu()
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{
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return mQuatA;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void setQuatTemp(float x, float y, float z, float w)
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{
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mX = x;
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mY = y;
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mZ = z;
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mW = w;
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mSetQuatT = true;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void resetQuats()
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{
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mResetQuats = true;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void reset()
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{
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}
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}
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