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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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Leszek Koltunski
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package org.distorted.examples.olimpic;
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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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import org.distorted.examples.R;
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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.DistortedTree;
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import org.distorted.library.EffectTypes;
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import org.distorted.library.type.Dynamic1D;
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import org.distorted.library.type.Static3D;
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import org.distorted.library.type.Static1D;
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import org.distorted.library.Distorted;
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import org.distorted.library.GridFlat;
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import org.distorted.library.DistortedTexture;
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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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///////////////////////////////////////////////////////////////////////////////////////////////////
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class OlimpicRenderer implements GLSurfaceView.Renderer
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{
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private static final int LEAF_SIZE = 100;
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private static final int NUM_CIRCLES = 5;
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private static final int NUM_LEAVES = 8;
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private GLSurfaceView mView;
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private DistortedTree mRoot;
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private DistortedTexture mLeaf;
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private DistortedFramebuffer mScreen;
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private int mScreenW, mScreenH;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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OlimpicRenderer(GLSurfaceView v)
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{
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mView = v;
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mLeaf = new DistortedTexture(LEAF_SIZE,LEAF_SIZE);
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GridFlat grid = new GridFlat(1,1);
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DistortedEffects effects = new DistortedEffects();
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mScreenW = 9*LEAF_SIZE;
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mScreenH = 9*LEAF_SIZE;
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mRoot = new DistortedTree(new DistortedTexture(mScreenW,mScreenH), effects, grid);
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Dynamic1D rot = new Dynamic1D(5000,0.0f);
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rot.setMode(Dynamic1D.MODE_JUMP);
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rot.add(new Static1D( 0));
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rot.add(new Static1D(360));
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DistortedTree[] mCircleNode = new DistortedTree[NUM_CIRCLES];
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int[] colors = new int[] {0,0,1, 0,0,0, 1,0,0, 1,1,0, 0,1,0}; // blue, black, red, yellow, green
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int[] positions = new int[] {0,2*LEAF_SIZE, 3*LEAF_SIZE,2*LEAF_SIZE, 6*LEAF_SIZE,2*LEAF_SIZE, 3*LEAF_SIZE/2,9*LEAF_SIZE/2, 9*LEAF_SIZE/2,9*LEAF_SIZE/2};
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Static3D center = new Static3D(3*LEAF_SIZE/2, 3*LEAF_SIZE/2, 0);
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Static3D axis = new Static3D(0,0,1);
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Static3D moveVector = new Static3D(0,LEAF_SIZE,0);
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for(int i=0; i<NUM_CIRCLES; i++)
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{
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if( i<=1 )
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{
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effects = new DistortedEffects();
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mCircleNode[i] = new DistortedTree(new DistortedTexture(3*LEAF_SIZE,3*LEAF_SIZE), effects, grid);
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for(int j=0; j<NUM_LEAVES-i; j++)
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{
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effects = new DistortedEffects();
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mCircleNode[i].attach(mLeaf, effects, grid);
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effects.rotate( new Static1D(j*(360/NUM_LEAVES)), axis, center );
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effects.move(moveVector);
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}
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}
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else
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{
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mCircleNode[i] = new DistortedTree(mCircleNode[0], Distorted.CLONE_BITMAP|Distorted.CLONE_CHILDREN);
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}
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mRoot.attach(mCircleNode[i]);
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effects = mCircleNode[i].getEffects();
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effects.move( new Static3D(positions[2*i], positions[2*i+1], 0) );
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effects.rotate( rot, axis, center );
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effects.chroma( new Static1D(0.5f), new Static3D(colors[3*i],colors[3*i+1], colors[3*i+2]) );
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}
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mScreen = new DistortedFramebuffer(0);
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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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mRoot.draw(System.currentTimeMillis(),mScreen);
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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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DistortedEffects effects = mRoot.getEffects();
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effects.abortEffects(EffectTypes.MATRIX);
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if( (float)mScreenH/mScreenW > (float)height/width )
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{
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int w = (height*mScreenW)/mScreenH;
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float factor = (float)height/mScreenH;
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effects.move( new Static3D((width-w)/2 ,0, 0) );
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effects.scale( factor );
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}
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else
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{
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int h = (width*mScreenH)/mScreenW;
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float factor = (float)width/mScreenW;
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effects.move( new Static3D(0,(height-h)/2,0) );
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effects.scale( 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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GLES20.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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InputStream is = mView.getContext().getResources().openRawResource(R.raw.leaf);
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Bitmap leaf;
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try
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{
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leaf = 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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mLeaf.setTexture(leaf);
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try
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{
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Distorted.onSurfaceCreated(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("Olympic", ex.getMessage() );
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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}
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