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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.vertex3d;
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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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import org.distorted.examples.R;
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import org.distorted.library.Distorted;
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import org.distorted.library.DistortedBitmap;
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import org.distorted.library.DistortedCubes;
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import org.distorted.library.DistortedObject;
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import org.distorted.library.EffectNames;
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import org.distorted.library.EffectTypes;
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import org.distorted.library.type.Dynamic1D;
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import org.distorted.library.type.Dynamic2D;
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import org.distorted.library.type.Dynamic3D;
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import org.distorted.library.type.DynamicQuat;
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import org.distorted.library.type.Static1D;
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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 Vertex3DRenderer implements GLSurfaceView.Renderer
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{
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public static final int SIZE = 100;
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private GLSurfaceView mView;
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private static DistortedObject mObject;
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private int mObjWidth, mObjHeight;
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private DynamicQuat mQuatInt1, mQuatInt2;
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private static EffectNames[] order;
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private static Dynamic2D mCenterInter;
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private static Dynamic3D mDeformInter, mDistortInter;
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private static Dynamic1D mSinkInter, mSwirlInter;
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private static Static2D mCenterPoint;
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private static Static3D mDeformPoint, mDistortPoint;
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private static Static1D mSinkPoint, mSwirlPoint;
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Static4D mQuat1, mQuat2;
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static int mScreenMin;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public static void setDeform(float x, float y, float z)
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{
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mDeformPoint.set(x, y, z);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public static void setDistort(float x, float y, float z)
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{
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mDistortPoint.set(x, y, z);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public static void setSink(float s)
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{
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mSinkPoint.set(s);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public static void setSwirl(float s)
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{
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mSwirlPoint.set(s);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public static void setCenter(float x, float y)
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{
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mCenterPoint.set(x,y);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public static void setOrder(EffectNames[] effects)
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{
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order = effects;
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setVertexEffects();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public static void setVertexEffects()
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{
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mObject.abortEffects(EffectTypes.VERTEX);
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for( int i=0; i<=order.length-1 ; i++ )
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{
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switch(order[i])
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{
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case DEFORM : mObject.deform( mDeformInter , mCenterInter) ; break;
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case DISTORT: mObject.distort(mDistortInter, mCenterInter) ; break;
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case SINK : mObject.sink( mSinkInter , mCenterInter) ; break;
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case SWIRL : mObject.swirl( mSwirlInter , mCenterInter) ; break;
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}
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public Vertex3DRenderer(GLSurfaceView v)
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{
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mView = v;
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mObject = new DistortedCubes( Vertex3DActivity.getCols(), Vertex3DActivity.getShape(), SIZE);
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//mObject = new DistortedBitmap( SIZE, SIZE, 10);
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mObjWidth = mObject.getWidth();
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mObjHeight= mObject.getHeight();
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mCenterPoint = new Static2D(0,0);
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mDeformPoint = new Static3D(0,0,0);
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mDistortPoint= new Static3D(1,1,1);
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mSwirlPoint = new Static1D(0);
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mSinkPoint = new Static1D(1);
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mCenterInter = new Dynamic2D();
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mDeformInter = new Dynamic3D();
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mDistortInter = new Dynamic3D();
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mSwirlInter = new Dynamic1D();
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mSinkInter = new Dynamic1D();
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mCenterInter.add(mCenterPoint);
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mDeformInter.add(mDeformPoint);
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mDistortInter.add(mDistortPoint);
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mSwirlInter.add(mSwirlPoint);
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mSinkInter.add(mSinkPoint);
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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(0,0.5f);
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mQuatInt2 = new DynamicQuat(0,0.5f);
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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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mObject.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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mObject.abortEffects(EffectTypes.MATRIX);
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float factor;
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if( width*mObjHeight > height*mObjWidth ) // screen is more 'horizontal' than the Object
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{
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factor = (0.7f*height)/mObjHeight;
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}
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else
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{
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factor = (0.7f*width)/mObjWidth;
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}
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mObject.move( new Static3D( (width-factor*mObjWidth)/2 , (height-factor*mObjHeight)/2 , 0) );
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mObject.scale(factor);
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Static3D center = new Static3D(mObjWidth/2,mObjHeight/2, 0);
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mObject.quaternion(mQuatInt1, center);
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mObject.quaternion(mQuatInt2, center);
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setVertexEffects();
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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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mObject.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("Vertex3D", ex.getMessage() );
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}
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}
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}
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