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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.mirror;
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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.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.DistortedScreen;
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import org.distorted.library.DistortedTexture;
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import org.distorted.library.EffectNames;
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import org.distorted.library.MeshFlat;
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import org.distorted.library.type.Dynamic3D;
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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 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 MirrorRenderer implements GLSurfaceView.Renderer
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{
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private static final float MIRROR_SCALE =0.70f; // each next mirror will be 70% of the size or the previous
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private static final float HEAD_SCALE =0.40f; // Head's height will be 30% of the height of the mirror
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private static final float MIRROR_BRIGHTNESS=0.70f; // Each next mirror 30% darker
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private static final float MIRROR_MARGIN =0.09f; // The frame of the mirror takes up 9% of its width
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private static final float MIRROR_MOVE =0.12f; // Each next mirror is moved to the right by 12% of
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// the length of the previous one
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private GLSurfaceView mView;
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private DistortedEffects mEffectsHead, mEffectsNull, mEffectsOffscreen1, mEffectsOffscreen2;
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private DistortedTexture mTextureMirror, mTextureHead;
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private DistortedFramebuffer mOffScreen1, mOffScreen2;
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private DistortedScreen mScreen;
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private MeshFlat mQuad;
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private Static3D mHeadPosition;
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private Dynamic3D mHeadDyn;
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private int mX;
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private int mHeadW, mHeadH;
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private int mScreenW, mScreenH;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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MirrorRenderer(GLSurfaceView view)
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{
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mView = view;
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mQuad = new MeshFlat(1,1);
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mScreen = new DistortedScreen();
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mEffectsHead = new DistortedEffects();
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mEffectsOffscreen1 = new DistortedEffects();
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mEffectsOffscreen2 = new DistortedEffects();
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mEffectsNull = new DistortedEffects();
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mX = MirrorActivity.INIT_POSITION;
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mHeadPosition = new Static3D(0,0,0);
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mHeadDyn = new Dynamic3D();
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mHeadDyn.add(mHeadPosition);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void setPosition(int pos)
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{
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mX = pos;
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mHeadPosition.set1( (mX/50.0f-1)*(0.5f-MIRROR_MARGIN-HEAD_SCALE/2) );
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onResume()
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{
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mScreenW = 0;
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mScreenH = 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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long time = System.currentTimeMillis();
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mOffScreen1.render(time);
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mOffScreen2.render(time);
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mScreen.render(time);
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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( mScreenW!=width || mScreenH!=height)
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{
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mScreenW = width;
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mScreenH = height;
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if( mOffScreen1!=null ) mOffScreen1.markForDeletion();
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if( mOffScreen2!=null ) mOffScreen2.markForDeletion();
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mOffScreen1 = new DistortedFramebuffer(mScreenW,mScreenH);
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mOffScreen2 = new DistortedFramebuffer( (int)(MIRROR_SCALE*mScreenW), (int)(MIRROR_SCALE*mScreenH) );
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mEffectsHead.abortAllEffects();
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mEffectsOffscreen1.abortAllEffects();
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mEffectsOffscreen2.abortAllEffects();
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mEffectsOffscreen1.brightness(new Static1D(MIRROR_BRIGHTNESS));
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mEffectsOffscreen2.move( new Static3D( MIRROR_MOVE-0.5f+MIRROR_SCALE/2, MIRROR_MOVE-0.5f+MIRROR_SCALE/2, 0) );
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mEffectsOffscreen2.scale( new Static3D( MIRROR_SCALE, MIRROR_SCALE, 1) );
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mEffectsHead.move(mHeadDyn);
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float qx = mScreenW/ mHeadW;
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float qy = mScreenH/ mHeadH;
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if( qx<qy )
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{
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mEffectsHead.scale(new Static3D(HEAD_SCALE, HEAD_SCALE*qx/qy, 1) );
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mHeadPosition.set2(0.5f-MIRROR_MARGIN-(HEAD_SCALE/2)*qx/qy);
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}
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else
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{
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mEffectsHead.scale( new Static3D(HEAD_SCALE*qy/qx, HEAD_SCALE, 1) );
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mHeadPosition.set2(0.5f-MIRROR_MARGIN-HEAD_SCALE/2);
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}
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setPosition(mX);
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mOffScreen1.attach( mTextureMirror, mEffectsNull , mQuad );
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mOffScreen1.attach( mOffScreen2 , mEffectsOffscreen2, mQuad );
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mOffScreen1.attach( mTextureHead , mEffectsHead , mQuad );
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mOffScreen2.attach( mOffScreen1 , mEffectsOffscreen1, mQuad );
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mScreen.detachAll();
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mScreen.attach ( mOffScreen1 , mEffectsNull , mQuad );
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mScreen.resize(mScreenW,mScreenH);
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}
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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 isM = mView.getContext().getResources().openRawResource(R.raw.mirror);
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InputStream isH = mView.getContext().getResources().openRawResource(R.raw.messi);
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Bitmap bitmapM, bitmapH;
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try
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{
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bitmapM = BitmapFactory.decodeStream(isM);
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bitmapH = BitmapFactory.decodeStream(isH);
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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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isM.close();
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isH.close();
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}
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catch(IOException e) { }
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}
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mHeadW = bitmapH.getWidth();
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mHeadH = bitmapH.getHeight();
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if( mTextureMirror==null ) mTextureMirror = new DistortedTexture(bitmapM.getWidth(),bitmapM.getHeight());
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if( mTextureHead ==null ) mTextureHead = new DistortedTexture(mHeadW, mHeadH);
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mTextureMirror.setTexture(bitmapM);
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mTextureHead.setTexture(bitmapH);
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DistortedEffects.enableEffect(EffectNames.BRIGHTNESS);
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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("Mirror", ex.getMessage() );
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}
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}
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}
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