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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.cubes;
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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.EffectTypes;
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import org.distorted.library.type.DynamicQuat;
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import org.distorted.library.DistortedCubes;
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import org.distorted.library.type.Static4D;
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import org.distorted.library.type.Static3D;
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import org.distorted.library.Distorted;
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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 CubesRenderer implements GLSurfaceView.Renderer
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{
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private static final int SIZE = 100;
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private int mCols, mRows;
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private GLSurfaceView mView;
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private DistortedCubes mCubes;
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private DynamicQuat mQuatInt1, mQuatInt2;
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Static4D mQuat1, mQuat2;
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int mScreenMin;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public CubesRenderer(GLSurfaceView v)
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{
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mView = v;
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String shape = CubesActivity.getShape();
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mCols = CubesActivity.getCols();
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mRows = shape.length() / mCols;
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mCubes = new DistortedCubes( mCols, shape, 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();
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mQuatInt2 = new DynamicQuat();
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mQuatInt1.setDuration(0);
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mQuatInt2.setDuration(0);
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mQuatInt1.setCount(0.5f);
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mQuatInt2.setCount(0.5f);
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mQuatInt1.add(mQuat1);
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mQuatInt2.add(mQuat2);
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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.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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GLES20.glClear( GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);
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mCubes.draw(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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mCubes.abortEffects(EffectTypes.MATRIX);
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if( mRows/mCols > height/width )
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{
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int w = (height*mRows)/mCols;
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float factor = (float)height/(mRows*SIZE);
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mCubes.move( new Static3D((width-w)/2,0,0) );
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mCubes.scale(factor);
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}
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else
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{
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int h = (width*mRows)/mCols;
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float factor = (float)width/(mCols*SIZE);
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mCubes.move( new Static3D(0,(height-h)/2,0) );
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mCubes.scale(factor);
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}
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Static3D center = new Static3D(mCols*SIZE/2,mRows*SIZE/2, 0);
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mCubes.quaternion(center, mQuatInt1);
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mCubes.quaternion(center, mQuatInt2);
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Distorted.onSurfaceChanged(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.grid);
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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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mCubes.setBitmap(bitmap);
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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("Cubes", ex.getMessage() );
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}
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}
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}
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