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cb9d104d
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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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Leszek Koltunski
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// Distorted is free software: you can redistribute it and/or modify //
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Leszek Koltunski
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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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Leszek Koltunski
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// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.examples.glow;
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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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import org.distorted.examples.R;
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import org.distorted.library.effect.EffectQuality;
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import org.distorted.library.effect.MatrixEffectScale;
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import org.distorted.library.effect.PostprocessEffectGlow;
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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.main.DistortedTexture;
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import org.distorted.library.mesh.MeshQuad;
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import org.distorted.library.type.Static2D;
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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 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 GlowRenderer implements GLSurfaceView.Renderer, DistortedLibrary.ExceptionListener
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{
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private static final float HALO_TO_RADIUS = 0.2f;
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private GLSurfaceView mView;
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private DistortedTexture mLeaf;
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private DistortedScreen mScreen;
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private PostprocessEffectGlow mGlow;
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private Static3D mScale;
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private Static2D mHaloRadius;
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private Static4D mColor;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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GlowRenderer(GLSurfaceView v)
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{
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mView = v;
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mLeaf = new DistortedTexture();
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mScale = new Static3D(1,1,1);
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mHaloRadius= new Static2D(25*HALO_TO_RADIUS,25);
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mColor = new Static4D(1.0f,0.0f,0.0f,0.5f); // half-transparent red
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mGlow = new PostprocessEffectGlow(mHaloRadius,mColor);
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DistortedEffects effects = new DistortedEffects();
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effects.apply(new MatrixEffectScale(mScale));
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effects.apply(mGlow);
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MeshQuad quad = new MeshQuad();
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mScreen = new DistortedScreen();
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mScreen.attach(mLeaf, effects, quad );
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mScreen.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
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mScreen.showFPS();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void setQuality(EffectQuality quality)
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{
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mGlow.setQuality(quality);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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int setGlowRadius(int glow)
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{
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int radius = glow/2;
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mHaloRadius.set(radius*HALO_TO_RADIUS,radius);
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return radius;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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float setGlowAlpha(float glow)
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{
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float alpha = glow/100.0f;
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mColor.set3(alpha);
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return alpha;
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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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float factor = 0.8f* (Math.min(width, height));
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mScale.set( factor,factor,factor );
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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.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 ignored) { }
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}
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mLeaf.setTexture(leaf);
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PostprocessEffectGlow.enable();
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DistortedLibrary.onCreate(mView.getContext(), this);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void distortedException(Exception ex)
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{
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android.util.Log.e("Glow", ex.getMessage() );
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}
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}
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