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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.earth;
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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.effect.Effect;
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import org.distorted.library.effect.EffectName;
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import org.distorted.library.effect.EffectType;
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import org.distorted.library.effect.FragmentEffectAlpha;
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import org.distorted.library.effect.FragmentEffectBrightness;
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import org.distorted.library.effect.FragmentEffectChroma;
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import org.distorted.library.effect.FragmentEffectContrast;
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import org.distorted.library.effect.FragmentEffectSaturation;
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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.effect.VertexEffectDeform;
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import org.distorted.library.effect.VertexEffectDistort;
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import org.distorted.library.effect.VertexEffectPinch;
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import org.distorted.library.effect.VertexEffectSink;
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import org.distorted.library.effect.VertexEffectSwirl;
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import org.distorted.library.effect.VertexEffectWave;
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import org.distorted.library.main.Distorted;
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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.MeshBase;
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import org.distorted.library.mesh.MeshSphere;
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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 EarthRenderer implements GLSurfaceView.Renderer
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{
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private static final int SIZE = 500;
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private static final int RADIUS = 30;
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private static final int LEVEL = 32;
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private static final float FOV = 30.0f;
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private static final float NEAR = 0.1f;
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private static final int MAX_EFF = 20;
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private GLSurfaceView mView;
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private DistortedTexture mTexture;
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private DistortedEffects mEffects;
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private MeshBase mMesh;
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private DistortedScreen mScreen;
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private int mObjWidth, mObjHeight, mObjDepth;
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private Static3D mMove, mScale, mCenter;
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Static4D mQuat1, mQuat2;
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int mScreenMin;
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private Static3D mColor;
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private Static3D mRegionF;
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private Static1D mStrength;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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EarthRenderer(GLSurfaceView v)
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{
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mView = v;
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DistortedEffects.setMax(EffectType.VERTEX , MAX_EFF);
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DistortedEffects.setMax(EffectType.FRAGMENT, MAX_EFF);
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mStrength = new Static1D(0.5f);
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mColor = new Static3D(255,0,0);
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mRegionF = new Static3D(RADIUS,RADIUS,RADIUS);
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mMove = new Static3D(0,0,0);
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mScale = new Static3D(1,1,1);
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mCenter = new Static3D(0,0,0);
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mMesh = new MeshSphere(LEVEL);
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mTexture = new DistortedTexture(SIZE,SIZE);
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mObjWidth = mTexture.getWidth();
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mObjHeight= mTexture.getHeight();
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mObjDepth = mTexture.getDepth(mMesh);
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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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DynamicQuat quatInt1 = new DynamicQuat(0,0.5f);
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DynamicQuat quatInt2 = new DynamicQuat(0,0.5f);
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quatInt1.add(mQuat1);
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quatInt2.add(mQuat2);
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mEffects = new DistortedEffects();
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mEffects.apply( new MatrixEffectMove(mMove) );
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mEffects.apply( new MatrixEffectScale(mScale));
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mEffects.apply( new MatrixEffectQuaternion(quatInt1, mCenter) );
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mEffects.apply( new MatrixEffectQuaternion(quatInt2, mCenter) );
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mScreen = new DistortedScreen();
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mScreen.setProjection(FOV, NEAR);
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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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final float SCALE = 1.10f;
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mScreenMin = width<height ? width:height;
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float factor = ( width*mObjHeight > height*mObjWidth ) ? (SCALE*height)/mObjHeight : (SCALE*width)/mObjWidth;
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mMove.set( (width-factor*mObjWidth)/2 , (height-factor*mObjHeight)/2 , 0);
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mScale.set(factor,factor,factor);
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mCenter.set( (float)mObjWidth/2, (float)mObjHeight/2, (float)mObjDepth/2 );
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mScreen.resize(width, height);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void setLevel(int level)
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{
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float inflateLevel = (level-50)/50.0f;
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mMesh.setInflate(inflateLevel);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void addNewPoint(float longitude, float latitude, EffectName name)
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{
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Effect effect =null;
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double sinLON = Math.sin(longitude);
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double cosLON = Math.cos(longitude);
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double sinLAT = Math.sin(latitude);
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double cosLAT = Math.cos(latitude);
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float x = (float)(sinLON*cosLAT)/2.0f;
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float y = (float) sinLAT /2.0f;
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float z = (float)(cosLON*cosLAT)/2.0f;
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Static3D center = new Static3D( (0.5f+x)*mObjWidth, (0.5f+y)*mObjHeight, (0.5f-z)*mObjDepth);
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//android.util.Log.e("earth", "center "+(x*mObjWidth)+" "+(y*mObjHeight)+" "+(z*mObjDepth));
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//android.util.Log.e("earth", "longitude: "+longitude+" latitude:"+latitude);
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switch(name)
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{
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/*
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case DISTORT : effect = new VertexEffectDistort(mDyn3, center, mRegionV); break;
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case DEFORM : effect = new VertexEffectDeform (mDyn3, center, mRegionV); break;
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case SINK : effect = new VertexEffectSink (mDyn1, center, mRegionV); break;
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case PINCH : effect = new VertexEffectPinch (mDyn2, center, mRegionV); break;
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case SWIRL : effect = new VertexEffectSwirl (mDyn1, center, mRegionV); break;
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case WAVE : effect = new VertexEffectWave (mDyn5, center, mRegionV); break;
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*/
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case ALPHA : effect = new FragmentEffectAlpha (mStrength, center, mRegionF, false); break;
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case SMOOTH_ALPHA : effect = new FragmentEffectAlpha (mStrength, center, mRegionF, true ); break;
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case CHROMA : effect = new FragmentEffectChroma (mStrength, mColor,center, mRegionF, false); break;
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case SMOOTH_CHROMA : effect = new FragmentEffectChroma (mStrength, mColor,center, mRegionF, true ); break;
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case BRIGHTNESS : effect = new FragmentEffectBrightness(mStrength, center, mRegionF, false); break;
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case SMOOTH_BRIGHTNESS: effect = new FragmentEffectBrightness(mStrength, center, mRegionF, true ); break;
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case SATURATION : effect = new FragmentEffectSaturation(mStrength, center, mRegionF, false); break;
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case SMOOTH_SATURATION: effect = new FragmentEffectSaturation(mStrength, center, mRegionF, true ); break;
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case CONTRAST : effect = new FragmentEffectContrast (mStrength, center, mRegionF, false); break;
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case SMOOTH_CONTRAST : effect = new FragmentEffectContrast (mStrength, center, mRegionF, true ); break;
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default : android.util.Log.e("EarthRenderer", "unexpected effect: "+name.toString() );
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}
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if( effect!=null )
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{
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mEffects.apply(effect);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void removeAll()
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{
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mEffects.abortByType(EffectType.VERTEX);
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mEffects.abortByType(EffectType.FRAGMENT);
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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 is = mView.getContext().getResources().openRawResource(R.raw.world);
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Bitmap bitmap;
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try
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{
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bitmap = BitmapFactory.decodeStream(is);
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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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is.close();
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}
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catch(IOException e) { }
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}
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mTexture.setTexture(bitmap);
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mScreen.detachAll();
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mScreen.attach(mTexture,mEffects,mMesh);
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Effect.enableEffects(EffectType.FRAGMENT);
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Effect.enableEffects(EffectType.VERTEX);
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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("Earth", ex.getMessage() );
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}
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}
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}
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