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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 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.FragmentEffectBrightness;
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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.MatrixEffectScale;
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import org.distorted.library.main.DistortedEffects;
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import org.distorted.library.main.DistortedNode;
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import org.distorted.library.main.DistortedTexture;
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import org.distorted.library.main.QuatHelper;
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import org.distorted.library.mesh.MeshBase;
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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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import org.distorted.objectlib.helpers.FactoryBandagedCubit;
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import org.distorted.objectlib.helpers.FactoryCubit;
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import static org.distorted.objectlib.main.TwistyObject.COLOR_BLUE;
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import static org.distorted.objectlib.main.TwistyObject.COLOR_GREEN;
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import static org.distorted.objectlib.main.TwistyObject.COLOR_ORANGE;
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import static org.distorted.objectlib.main.TwistyObject.COLOR_RED;
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import static org.distorted.objectlib.main.TwistyObject.COLOR_WHITE;
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import static org.distorted.objectlib.main.TwistyObject.COLOR_YELLOW;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class BandagedCubit
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{
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private static final Static3D CENTER = new Static3D(0,0,0);
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private static final float[] mTmp = new float[4];
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private static final Static1D mAlpha = new Static1D(2.0f);
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private static Bitmap mBitmap;
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private static Static4D[] mTextureMaps;
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private final DistortedNode mNode;
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private final DistortedEffects mEffects;
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private final DistortedTexture mTexture;
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private final Static3D mMove;
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private final boolean mRoundCorners;
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private final int mX, mY, mZ;
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private float mUnscaledX, mUnscaledY, mUnscaledZ;
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private float[] mPosition;
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private boolean mIsAttached;
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private long mMarkedEffectID;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private static void createBitmap()
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{
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final int[] FACE_COLORS = new int[]
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{
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COLOR_YELLOW, COLOR_WHITE,
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COLOR_BLUE , COLOR_GREEN,
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COLOR_RED , COLOR_ORANGE
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};
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final int NUM = FACE_COLORS.length;
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final int SIZE= 32;
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mTextureMaps = new Static4D[NUM];
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Paint paint = new Paint();
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paint.setStyle(Paint.Style.FILL);
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mBitmap = Bitmap.createBitmap( NUM*SIZE, SIZE, Bitmap.Config.ARGB_4444);
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Canvas canvas = new Canvas(mBitmap);
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for(int color=0; color<NUM; color++)
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{
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paint.setColor(FACE_COLORS[color]);
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canvas.drawRect(color*SIZE, 0, (color+1)*SIZE, SIZE, paint);
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mTextureMaps[color] = new Static4D( ((float)color)/NUM, 0.0f, 1.0f/NUM, 1.0f );
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// (x,y,z) ==
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//
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// ( 1,0,0) --> 0
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// (-1,0,0) --> 1
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// (0, 1,0) --> 2
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// (0,-1,0) --> 3
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// (0,0, 1) --> 4
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// (0,0,-1) --> 5
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private int computeMapsIndex(float x, float y, float z)
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{
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int ix = x>0 ? (int)(x+0.5f) : (int)(x-0.5f);
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int iy = y>0 ? (int)(y+0.5f) : (int)(y-0.5f);
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int iz = z>0 ? (int)(z+0.5f) : (int)(z-0.5f);
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if( ix== 1 ) return 0;
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if( ix==-1 ) return 1;
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if( iy== 1 ) return 2;
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if( iy==-1 ) return 3;
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if( iz== 1 ) return 4;
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if( iz==-1 ) return 5;
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return 0;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void resetTextureMaps(MeshBase mesh)
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{
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FactoryCubit fact = FactoryCubit.getInstance();
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int numComponents = mesh.getNumTexComponents();
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Static4D[] maps = new Static4D[numComponents];
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for(int i=0; i<numComponents; i++)
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{
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Static4D q = fact.getQuaternion(i);
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QuatHelper.rotateVectorByQuat(mTmp,0,0,1,0,q);
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int index = computeMapsIndex(mTmp[0], mTmp[1], mTmp[2]);
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maps[i] = mTextureMaps[index];
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}
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mesh.setTextureMap(maps,0);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void computeMove(float[] position)
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{
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int numCenters = position.length/3;
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mUnscaledX=0.0f;
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mUnscaledY=0.0f;
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mUnscaledZ=0.0f;
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for(int center=0; center<numCenters; center++)
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{
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mUnscaledX += position[3*center ];
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mUnscaledY += position[3*center+1];
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mUnscaledZ += position[3*center+2];
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}
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mUnscaledX /= numCenters;
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mUnscaledY /= numCenters;
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mUnscaledZ /= numCenters;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// PUBLIC API
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public BandagedCubit(float[] position, int x, int y, int z, Static4D quat1,
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Static4D quat2, Static3D scale, boolean roundCorners)
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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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mRoundCorners = roundCorners;
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mPosition = position;
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mIsAttached = true;
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mMarkedEffectID = -1;
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computeMove(mPosition);
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mMove = new Static3D(0,0,0);
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FactoryBandagedCubit factory = FactoryBandagedCubit.getInstance();
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MeshBase mesh = factory.createMesh(mPosition,mX,mY,mZ,false,mRoundCorners);
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mTexture = new DistortedTexture();
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if( mBitmap==null ) createBitmap();
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mTexture.setTextureAlreadyInverted(mBitmap);
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resetTextureMaps(mesh);
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MatrixEffectScale scaleEffect = new MatrixEffectScale(scale);
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MatrixEffectQuaternion quat1Effect = new MatrixEffectQuaternion(quat1, CENTER);
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MatrixEffectQuaternion quat2Effect = new MatrixEffectQuaternion(quat2, CENTER);
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MatrixEffectMove moveEffect = new MatrixEffectMove(mMove);
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mEffects = new DistortedEffects();
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mEffects.apply(scaleEffect);
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mEffects.apply(moveEffect);
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mEffects.apply(quat2Effect);
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mEffects.apply(quat1Effect);
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mNode = new DistortedNode(mTexture,mEffects,mesh);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void join(float[] position, float scale)
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{
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int len1 = mPosition.length;
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int len2 = position.length;
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float[] tmpPosition = new float[len1+len2];
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System.arraycopy(mPosition, 0, tmpPosition, 0, len1);
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System.arraycopy(position , 0, tmpPosition, len1, len2);
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computeMove(tmpPosition);
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mPosition = tmpPosition;
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FactoryBandagedCubit factory = FactoryBandagedCubit.getInstance();
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MeshBase mesh = factory.createMesh(mPosition,mX,mY,mZ,false,mRoundCorners);
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resetTextureMaps(mesh);
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mNode.setMesh(mesh);
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mMove.set( scale*mUnscaledX, scale*mUnscaledY, scale*mUnscaledZ);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void reset(float scale)
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{
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float x = mPosition[0];
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float y = mPosition[1];
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float z = mPosition[2];
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mPosition = new float[3];
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mPosition[0] = x;
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mPosition[1] = y;
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mPosition[2] = z;
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computeMove(mPosition);
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FactoryBandagedCubit factory = FactoryBandagedCubit.getInstance();
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MeshBase mesh = factory.createMesh(mPosition,mX,mY,mZ,false,mRoundCorners);
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resetTextureMaps(mesh);
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mNode.setMesh(mesh);
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mMove.set( scale*mUnscaledX, scale*mUnscaledY, scale*mUnscaledZ);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void recreateBitmap()
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{
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if( mBitmap==null ) createBitmap();
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mTexture.setTextureAlreadyInverted(mBitmap);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void scaleMove(float scale)
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{
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mMove.set( scale*mUnscaledX, scale*mUnscaledY, scale*mUnscaledZ);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void setMarked()
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{
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if( mMarkedEffectID<0 )
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{
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FragmentEffectBrightness effect = new FragmentEffectBrightness(mAlpha);
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mMarkedEffectID = effect.getID();
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mEffects.apply(effect);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void setUnmarked()
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{
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if( mMarkedEffectID>=0 )
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{
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mEffects.abortById(mMarkedEffectID);
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mMarkedEffectID = -1;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void detach()
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{
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mIsAttached = false;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void attach()
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{
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mIsAttached = true;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public boolean isAttached()
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{
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return mIsAttached;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public float[] getPosition()
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{
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return mPosition;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public DistortedNode getNode()
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{
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return mNode;
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}
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}
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