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examples / src / main / java / org / distorted / examples / multiblur / MultiblurRenderer.java @ 895d2f4f

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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2016 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.multiblur;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.opengl.GLSurfaceView;
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import org.distorted.examples.R;
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import org.distorted.library.Distorted;
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import org.distorted.library.DistortedEffects;
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import org.distorted.library.DistortedEffectsPostprocess;
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import org.distorted.library.DistortedNode;
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import org.distorted.library.DistortedScreen;
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import org.distorted.library.DistortedTexture;
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import org.distorted.library.EffectNames;
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import org.distorted.library.EffectTypes;
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import org.distorted.library.MeshCubes;
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import org.distorted.library.type.Dynamic1D;
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import org.distorted.library.type.Dynamic3D;
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import org.distorted.library.type.DynamicQuat;
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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 java.io.IOException;
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import java.io.InputStream;
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import javax.microedition.khronos.egl.EGLConfig;
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import javax.microedition.khronos.opengles.GL10;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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class MultiblurRenderer implements GLSurfaceView.Renderer
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{
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    private static final int[] MOVE_VEC =
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        {
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        +1,+1,+1,
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        +1,-1,+1,
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        +1,+1,-1,
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        +1,-1,-1,
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        -1,+1,+1,
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        -1,-1,+1,
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        -1,+1,-1,
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        -1,-1,-1
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        };
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    private static final int NUM_OBJECTS = MOVE_VEC.length/3;
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    private static final int OBJ_SIZE    = 100;
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    private GLSurfaceView mView;
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    private DistortedTexture mTex1, mTex2;
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    private DistortedEffects[] mEffects;
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    private DistortedNode[] mNode;
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    private DistortedEffectsPostprocess mPostEffects;
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    private Static3D[]  mMoveVector;
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    private Dynamic3D[] mMoveDynamic;
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    private Static1D  mBlurVector;
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    private Dynamic1D  mBlurDynamic;
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    private DistortedScreen mScreen;
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    private DynamicQuat mQuatInt1, mQuatInt2;
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    private int mDistance;
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    private boolean[] mBlurStatus;
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    Static4D mQuat1, mQuat2;
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    int mScreenMin;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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    MultiblurRenderer(GLSurfaceView v)
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      {
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      mView = v;
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      mDistance = -1;
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      mBlurStatus = new boolean[NUM_OBJECTS];
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      mMoveDynamic= new Dynamic3D[NUM_OBJECTS];
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      mMoveVector = new Static3D[NUM_OBJECTS];
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      mNode       = new DistortedNode[NUM_OBJECTS];
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      mEffects    = new DistortedEffects[NUM_OBJECTS];
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      mPostEffects= new DistortedEffectsPostprocess();
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      for(int i=0; i<NUM_OBJECTS; i++)
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        {
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        mMoveVector[i]  = new Static3D(0,0,0);
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        mEffects[i]     = new DistortedEffects();
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        mMoveDynamic[i] = new Dynamic3D();
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        mMoveDynamic[i].add(mMoveVector[i]);
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        mBlurStatus[i] = false;
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        }
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      mBlurDynamic= new Dynamic1D();
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      mBlurVector = new Static1D(10);
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      mBlurDynamic.add(mBlurVector);
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      mPostEffects.blur(mBlurDynamic);
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      MeshCubes mesh = new MeshCubes(1,1,false);
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      mTex1 = new DistortedTexture(OBJ_SIZE,OBJ_SIZE);
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      mTex2 = new DistortedTexture(OBJ_SIZE,OBJ_SIZE);
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      mQuat1 = new Static4D(0,0,0,1);  // unity
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      mQuat2 = new Static4D(0,0,0,1);  // quaternions
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      mQuatInt1 = new DynamicQuat(0,0.5f);
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      mQuatInt2 = new DynamicQuat(0,0.5f);
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      mQuatInt1.add(mQuat1);
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      mQuatInt2.add(mQuat2);
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      mScreen = new DistortedScreen();
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      for(int i=0; i<NUM_OBJECTS; i++)
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        {
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        mNode[i] = new DistortedNode(i < NUM_OBJECTS / 2 ? mTex1 : mTex2, mEffects[i], mesh);
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        mScreen.attach(mNode[i]);
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        }
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      mBlurStatus[0] = true;
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      mNode[0].setPostprocessEffects(mPostEffects);
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      }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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    public void onDrawFrame(GL10 glUnused) 
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      {
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      mScreen.render( System.currentTimeMillis() );
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      }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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    public void onSurfaceChanged(GL10 glUnused, int width, int height) 
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      {
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      mScreenMin = width<height ? width:height;
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    	float factor    = 0.15f*mScreenMin/OBJ_SIZE;
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      Static3D center = new Static3D( (float)OBJ_SIZE/2, (float)OBJ_SIZE/2, 0.0f );
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      Static3D moveVec= new Static3D( (width -factor*OBJ_SIZE)/2 ,(height-factor*OBJ_SIZE)/2 ,0);
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      for(int i=0; i<NUM_OBJECTS; i++)
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        {
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        mEffects[i].abortEffects(EffectTypes.MATRIX);
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        mEffects[i].move(moveVec);
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        mEffects[i].scale(factor);
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        mEffects[i].quaternion(mQuatInt1, center);
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        mEffects[i].quaternion(mQuatInt2, center);
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        mEffects[i].move(mMoveDynamic[i]);
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        }
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      computeMoveVectors();
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      mScreen.resize(width, height);
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      }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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    public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 
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      {
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      InputStream is1 = mView.getContext().getResources().openRawResource(R.raw.cat);
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      InputStream is2 = mView.getContext().getResources().openRawResource(R.raw.dog);
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      Bitmap bitmap1,bitmap2;
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      try 
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        {
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        bitmap1 = BitmapFactory.decodeStream(is1);
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        bitmap2 = BitmapFactory.decodeStream(is2);
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        }
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      finally 
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        {
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        try 
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          {
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          is1.close();
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          is2.close();
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          }
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        catch(IOException e) { }
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        }  
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      mTex1.setTexture(bitmap1);
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      mTex2.setTexture(bitmap2);
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      DistortedEffects.enableEffect(EffectNames.BLUR);
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      try
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        {
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        Distorted.onCreate(mView.getContext());
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        }
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      catch(Exception ex)
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        {
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        android.util.Log.e("Multiblur", ex.getMessage() );
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        }
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      }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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    private void computeMoveVectors()
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      {
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      float size= 0.026f*OBJ_SIZE*mDistance;
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      for(int i=0; i<NUM_OBJECTS; i++)
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        {
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        mMoveVector[i].set(size*MOVE_VEC[3*i], size*MOVE_VEC[3*i+1], size*MOVE_VEC[3*i+2]);
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        }
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      }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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    void setDistance(int distance)
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      {
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      mDistance = distance;
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      computeMoveVectors();
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      //android.util.Log.d("renderer", "distance: "+distance);
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      }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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    void setRange(int range)
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      {
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      mBlurVector.set(range);
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      //android.util.Log.d("renderer", "range: "+range);
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      }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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   boolean[] getChecked()
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     {
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     return mBlurStatus;
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     }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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   void setChecked(int number, boolean checked)
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     {
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     if( number>=0 && number<=7 )
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       {
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       if( checked && !mBlurStatus[number] )
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         {
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         mBlurStatus[number] = true;
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         mNode[number].setPostprocessEffects(mPostEffects);
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         }
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       if( !checked && mBlurStatus[number] )
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         {
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         mBlurStatus[number] = false;
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         mNode[number].setPostprocessEffects(null);
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         }
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       }
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     else
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       {
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       android.util.Log.e("renderer", "Error, number: "+number+" checked: "+checked );
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       }
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     //android.util.Log.d("renderer", "setting box "+number+" BLUR state to "+checked);
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     }
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}