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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.flag;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.opengl.GLES20;
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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.DistortedFramebuffer;
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import org.distorted.library.GridCubes;
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import org.distorted.library.DistortedTexture;
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import org.distorted.library.EffectTypes;
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import org.distorted.library.type.Dynamic;
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import org.distorted.library.type.Dynamic5D;
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import org.distorted.library.type.DynamicQuat;
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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.library.type.Static5D;
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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 FlagRenderer implements GLSurfaceView.Renderer
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{
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private GLSurfaceView mView;
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private DistortedEffects mEffects;
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private DistortedTexture mTexture;
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private DistortedFramebuffer mScreen;
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private GridCubes mGrid;
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private DynamicQuat mQuatInt1, mQuatInt2;
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private Dynamic5D mWaveDyn;
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private Static5D mWaveSta1, mWaveSta2;
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private int mObjWidth, mObjHeight;
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Static4D mQuat1, mQuat2;
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int mScreenMin;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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FlagRenderer(GLSurfaceView v)
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{
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mView = v;
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mEffects = new DistortedEffects();
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mGrid = new GridCubes(50,30,false);
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mTexture = new DistortedTexture(500,300);
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mObjWidth = mTexture.getWidth();
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mObjHeight= mTexture.getHeight();
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mWaveDyn = new Dynamic5D(1000,0.0f);
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mWaveSta1= new Static5D(0,0,-180,0,0); // all other values besides the
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mWaveSta2= new Static5D(0,0,+180,0,0); // fourth will be set from the UI
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mWaveDyn.add(mWaveSta1);
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mWaveDyn.add(mWaveSta2);
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mWaveDyn.setMode(Dynamic.MODE_JUMP);
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mQuat1 = new Static4D( 0, 0, 0, 1); // unity quaternion
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mQuat2 = new Static4D(-0.25189602f,0.3546389f,0.009657208f,0.90038127f); // something semi-random that looks good
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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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Static3D waveCenter = new Static3D(mObjWidth, mObjHeight/2, 0); // middle of the right edge
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Static4D waveRegion = new Static4D(0,0,mObjWidth,mObjWidth);
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mEffects.wave(mWaveDyn, waveCenter, waveRegion);
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mScreen = new DistortedFramebuffer(0);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void setAmplitude(int a)
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{
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mWaveSta1.set1(a);
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mWaveSta2.set1(a);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void setLength(int l)
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{
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mWaveSta1.set2(l);
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mWaveSta2.set2(l);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void setAngleA(int a)
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{
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mWaveSta1.set4(a);
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mWaveSta2.set4(a);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void setAngleB(int b)
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{
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mWaveSta1.set5(b);
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mWaveSta2.set5(b);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void setNoise(Static5D noise)
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{
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mWaveDyn.setNoise(noise);
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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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GLES20.glClear( GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);
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mScreen.renderTo(mTexture, mGrid, mEffects, 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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mEffects.abortEffects(EffectTypes.MATRIX);
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float factor;
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if( width*mObjHeight > height*mObjWidth ) // screen is more 'horizontal' than the Object
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{
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factor = (0.8f*height)/mObjHeight;
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}
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else
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{
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factor = (0.8f*width)/mObjWidth;
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}
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mEffects.move( new Static3D( (width-factor*mObjWidth)/2 , (height-factor*mObjHeight)/2 , 0) );
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mEffects.scale(factor);
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Static3D center = new Static3D(mObjWidth/2,mObjHeight/2, 0);
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mEffects.quaternion(mQuatInt1, center);
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mEffects.quaternion(mQuatInt2, center);
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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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GLES20.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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InputStream is = mView.getContext().getResources().openRawResource(R.raw.iceland);
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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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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("Flag", ex.getMessage() );
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}
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}
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}
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