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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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Leszek Koltunski
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// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
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14122c52
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.examples.wind;
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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.MatrixEffectMove;
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import org.distorted.library.effect.MatrixEffectRotate;
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import org.distorted.library.effect.MatrixEffectScale;
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import org.distorted.library.effect.VertexEffectDeform;
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import org.distorted.library.effect.VertexEffectScale;
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import org.distorted.library.effect.VertexEffectWave;
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import org.distorted.library.main.DistortedLibrary;
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import org.distorted.library.main.DistortedScreen;
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import org.distorted.library.mesh.MeshCubes;
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import org.distorted.library.main.DistortedEffects;
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import org.distorted.library.main.DistortedTexture;
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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 WindRenderer implements GLSurfaceView.Renderer, DistortedLibrary.ExceptionListener
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{
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private static final int X = 50;
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private static final int Y = 30;
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private static final int Z = 1;
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private GLSurfaceView mView;
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private DistortedTexture mTexture;
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private DistortedScreen mScreen;
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private WindEffectsManager mManager;
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private WindGust mGust;
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private Static3D mMove, mScale;
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private float mObjWidth, mObjHeight;
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WindRenderer(GLSurfaceView view)
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{
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mView = view;
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MeshCubes cubes = new MeshCubes(X,Y,Z);
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DistortedEffects effects = new DistortedEffects();
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mTexture = new DistortedTexture();
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mManager = new WindEffectsManager(X,Y);
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mGust = new WindGust();
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mScreen = new DistortedScreen();
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mScreen.attach(mTexture,effects,cubes);
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mObjWidth = X;
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mObjHeight= Y;
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effects.apply( new VertexEffectScale( new Static3D(X,Y,Z) ) );
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mManager.apply(effects);
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mMove = new Static3D(0,0,0);
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mScale= new Static3D(1,1,1);
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Static1D angle = new Static1D(-45);
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Static3D axis = new Static3D(0,0,1);
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Static3D center= new Static3D(-mObjWidth*0.5f,0,0);
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effects.apply( new MatrixEffectRotate(angle, axis, center) );
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effects.apply( new MatrixEffectScale(mScale));
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effects.apply( new MatrixEffectMove(mMove));
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void setWind(int wind)
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{
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mGust.setAverageWind(wind);
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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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if( mGust.isWindBlowingNow(time) ) mManager.increaseWind(time);
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else mManager.decreaseWind(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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int min = width<height? width:height;
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float factor = ((float)min)/(mObjHeight + 1.4f*mObjWidth);
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mMove.set( factor*mObjHeight*1.28f -min*0.5f, min*0.5f - factor*mObjHeight*0.58f, 0 );
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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.iceland);
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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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mTexture.setTexture(bitmap);
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VertexEffectScale.enable();
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VertexEffectDeform.enable();
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VertexEffectWave.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("Wind", ex.getMessage() );
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}
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}
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