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bc0a685b
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Leszek Koltunski
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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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427ab7bf
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Leszek Koltunski
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Leszek Koltunski
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package org.distorted.examples.listener;
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Leszek Koltunski
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.Random;
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import javax.microedition.khronos.egl.EGLConfig;
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import javax.microedition.khronos.opengles.GL10;
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Leszek Koltunski
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import org.distorted.examples.R;
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Leszek Koltunski
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leszek
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import org.distorted.library.effect.EffectType;
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Leszek Koltunski
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import org.distorted.library.effect.MatrixEffectMove;
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import org.distorted.library.effect.MatrixEffectScale;
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import org.distorted.library.effect.VertexEffectDistort;
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01782e85
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Leszek Koltunski
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import org.distorted.library.main.Distorted;
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import org.distorted.library.main.DistortedScreen;
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Leszek Koltunski
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import org.distorted.library.mesh.MeshFlat;
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Leszek Koltunski
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import org.distorted.library.main.DistortedTexture;
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import org.distorted.library.main.DistortedEffects;
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Leszek Koltunski
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import org.distorted.library.type.Dynamic3D;
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Leszek Koltunski
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import org.distorted.library.type.Static3D;
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import org.distorted.library.type.Static4D;
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13efa930
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Leszek Koltunski
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import org.distorted.library.message.EffectListener;
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import org.distorted.library.message.EffectMessage;
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Leszek Koltunski
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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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///////////////////////////////////////////////////////////////////////////////////////////////////
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class ListenerRenderer implements GLSurfaceView.Renderer,EffectListener
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{
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private final int NUM_BUBBLES = 12;
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private GLSurfaceView mView;
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private DistortedEffects mEffects;
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leszek
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private DistortedScreen mScreen;
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private DistortedTexture mTexture;
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private MeshFlat mMesh;
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private int bmpHeight, bmpWidth;
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private Random mRnd;
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private Static3D mMove, mScale;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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ListenerRenderer(GLSurfaceView v)
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{
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mView = v;
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mEffects = new DistortedEffects();
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mEffects.registerForMessages(this);
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mScreen = new DistortedScreen();
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mRnd = new Random(0);
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mMove = new Static3D(0,0,0);
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mScale= new Static3D(1,1,1);
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mEffects.apply(new MatrixEffectMove(mMove));
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mEffects.apply(new MatrixEffectScale(mScale));
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private boolean addNewBubble()
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{
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int radius = (int)(( 0.10f + 0.70f*mRnd.nextFloat())*bmpWidth); // pop up a bubble of size (radius,height)
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int height = (int)((-0.10f + 0.20f*mRnd.nextFloat())*bmpWidth); //
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int pointx = mRnd.nextInt( (int)(0.8f*bmpWidth ))+ (int)(0.1f*bmpWidth ); // at a random place on the bitmap (but not near the edge)
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int pointy = mRnd.nextInt( (int)(0.8f*bmpHeight))+ (int)(0.1f*bmpHeight); //
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int duration = 1000 + mRnd.nextInt(3000); // for anytime from 1 to 4 seconds
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Dynamic3D dDistort = new Dynamic3D(duration,1.0f);
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dDistort.add(new Static3D(0,0, 0));
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dDistort.add(new Static3D(0,0,height));
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return mEffects.apply( new VertexEffectDistort(dDistort, new Static3D(pointx,pointy,0), new Static4D(0,0,0,radius)) );
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// the library sending messages to us. This is running on a library 'MessageSender' thread.
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public void effectMessage(final EffectMessage em, final long effectID, final long objectID)
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{
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switch(em)
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{
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case EFFECT_REMOVED: if( !addNewBubble() )
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{
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android.util.Log.e("Listener", "failed to add new bubble - this should never happen!");
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}
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break;
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}
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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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if( (float)bmpHeight/bmpWidth > (float)height/width )
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{
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int w = (height*bmpWidth)/bmpHeight;
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float factor = (float)height/bmpHeight;
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mMove.set((width-w)/2,0,0);
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mScale.set(factor,factor,factor);
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}
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else
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{
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int h = (width*bmpHeight)/bmpWidth;
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float factor = (float)width/bmpWidth;
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mMove.set(0,(height-h)/2,0);
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mScale.set(factor,factor,factor);
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}
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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 is = mView.getContext().getResources().openRawResource(R.raw.water);
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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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bmpHeight = bitmap.getHeight();
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bmpWidth = bitmap.getWidth();
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if( mTexture==null ) mTexture = new DistortedTexture(bmpWidth,bmpHeight);
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mTexture.setTexture(bitmap);
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if( mMesh==null ) mMesh = new MeshFlat(50,50*bmpHeight/bmpWidth);
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mScreen.detachAll();
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mScreen.attach(mTexture,mEffects,mMesh);
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for(int i=0; i<NUM_BUBBLES; i++) addNewBubble();
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// one more than we have bubbles at any given time because it can sometimes
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// happen that the old bubble is not yet removed when we add a new one
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DistortedEffects.setMax(EffectType.VERTEX,NUM_BUBBLES+1);
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leszek
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VertexEffectDistort.enable();
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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("Listener", ex.getMessage() );
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}
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}
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}
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