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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.sink;
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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.effect.MatrixEffectScale;
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import org.distorted.library.effect.VertexEffectSink;
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import org.distorted.library.main.DistortedLibrary;
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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.mesh.MeshRectangles;
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import org.distorted.library.main.DistortedTexture;
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import org.distorted.library.type.Dynamic1D;
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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 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 SinkRenderer 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 DistortedScreen mScreen;
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private DistortedTexture mTexture;
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private MeshRectangles mMesh;
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private Static3D mScale;
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private float mBmpRatio;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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SinkRenderer(GLSurfaceView v)
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{
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mView = v;
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mTexture = new DistortedTexture();
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mEffects = new DistortedEffects();
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mScreen = new DistortedScreen();
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Dynamic1D sinkStrength = new Dynamic1D(2000,0.0f);
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sinkStrength.add(new Static1D(2.0f));
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sinkStrength.add(new Static1D(0.2f));
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// strength [changing in time from 1.0 to 0.2 and back],
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// center [(0,0,0), i.e. center of the bitmap],
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// region [ (0,0,0) with radius 0.5 - apply to the center circle of the bitmap ]
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VertexEffectSink sinkEffect = new VertexEffectSink(sinkStrength, new Static3D(0,0,0), new Static4D(0,0,0,0.5f) );
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mEffects.apply(sinkEffect);
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mScale = new Static3D(1,1,1);
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mEffects.apply(new MatrixEffectScale(mScale));
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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( width<height ) mScale.set( width, width*mBmpRatio, 1 );
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else mScale.set( height/mBmpRatio, height, 1 );
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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.cat);
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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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mBmpRatio = (float)bitmap.getHeight()/bitmap.getWidth();
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mTexture.setTexture(bitmap);
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if( mMesh==null ) mMesh = new MeshRectangles(30,(int)(30*mBmpRatio));
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mScreen.detachAll();
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mScreen.attach(mTexture,mEffects,mMesh);
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VertexEffectSink.enable();
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try
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{
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DistortedLibrary.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("Sink", ex.getMessage() );
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}
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}
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}
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