Distorted Android

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// Copyright 2016 Leszek Koltunski                                                               //

//                                                                                               //

// This file is part of Distorted.                                                               //

//                                                                                               //

// Distorted is free software: you can redistribute it and/or modify                             //

// it under the terms of the GNU General Public License as published by                          //

// the Free Software Foundation, either version 2 of the License, or                             //

// (at your option) any later version.                                                           //

//                                                                                               //

// Distorted is distributed in the hope that it will be useful,                                  //

// but WITHOUT ANY WARRANTY; without even the implied warranty of                                //

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                                 //

// GNU General Public License for more details.                                                  //

//                                                                                               //

// You should have received a copy of the GNU General Public License                             //

// along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //

///////////////////////////////////////////////////////////////////////////////////////////////////

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.opengl.GLES20;

import android.opengl.GLSurfaceView;

import org.distorted.examples.R;

import org.distorted.library.Distorted;

import org.distorted.library.GridObject;

import org.distorted.library.type.Static4D;

import java.io.IOException;

import java.io.InputStream;

import javax.microedition.khronos.egl.EGLConfig;

import javax.microedition.khronos.opengles.GL10;

///////////////////////////////////////////////////////////////////////////////////////////////////

    private GLSurfaceView mView;

    private Static3D mCenterPoint, mRegionPoint;

    private Static3D mRegionScalePoint;

    private float mFactorObj, mFactorReg;

      mView = v;

      mObjectGrid        = act.getGrid();

      mCenterTexture     = new DistortedTexture(100,100);

      mRegionTexture     = new DistortedTexture(100,100);

      mCenterEffects     = new DistortedEffects();

      mRegionEffects     = new DistortedEffects();

      mObjWidth = mObjectTexture.getWidth();

      mObjHeight= mObjectTexture.getHeight();

      mQuat2 = new Static4D(0,0,0,1);  // quaternions

      mQuatInt1 = new DynamicQuat(0,0.5f);

      mQuatInt2 = new DynamicQuat(0,0.5f);

      mQuatInt1.add(mQuat1);

      mQuatInt2.add(mQuat2);

      mCenterPoint= new Static3D(0,0,0);

      mCenterInter.add(mCenterPoint);

      mRegionInter= new Dynamic3D();

      mRegionPoint= new Static3D(0,0,0);

      mRegionInter.add(mRegionPoint);

      mRegionScaleInter = new Dynamic3D();

      mRegionScalePoint = new Static3D(0,0,0);

      mRegionScaleInter.add(mRegionScalePoint);

      mScreen = new DistortedFramebuffer(0);

///////////////////////////////////////////////////////////////////////////////////////////////////

    public void onDrawFrame(GL10 glUnused)

      GLES20.glClear( GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);

      long time = System.currentTimeMillis();

      mScreen.renderTo(mObjectTexture    ,mObjectGrid,mObjectEffects    ,time);

        if( Effects3DActivity.supportsRegion() ) mScreen.renderTo(mRegionTexture,mQuad,mRegionEffects,time);

///////////////////////////////////////////////////////////////////////////////////////////////////

    public void onSurfaceChanged(GL10 glUnused, int width, int height)

      mBackgroundEffects.abortEffects(EffectTypes.MATRIX);

      mCenterEffects.abortEffects(EffectTypes.MATRIX);

      mRegionEffects.abortEffects(EffectTypes.MATRIX);

      float factorCen;

      int regionSize = mRegionTexture.getWidth();

        factorCen  = (0.08f*height)/centerSize;

        {

        factorCen  = (0.08f*width)/centerSize;

      mRegionPoint.set(mFactorObj*act.getRegionX(),mFactorObj*act.getRegionY(),0);

      mObjectEffects.scale(mFactorObj);

      mObjectEffects.quaternion(mQuatInt1, rotateObj);

      mObjectEffects.quaternion(mQuatInt2, rotateObj);

      mCenterEffects.quaternion(mQuatInt2, rotateCen);

      mCenterEffects.scale(factorCen);

      mRegionEffects.quaternion(mQuatInt2, rotateCen);

      mRegionEffects.move(mRegionInter);

      mRegionEffects.scale(mRegionScaleInter);

      mRegionEffects.move( new Static3D( -regionSize/2 , -regionSize/2 , 0) );

      float factorBackY = ((float)height)/backgroundSize;

      mBackgroundEffects.scale(new Static3D(2*factorBackX, 2*factorBackY, 1.0f) );

///////////////////////////////////////////////////////////////////////////////////////////////////

    public void onSurfaceCreated(GL10 glUnused, EGLConfig config)

      InputStream isC = act.getResources().openRawResource(R.raw.center);

      InputStream isR = act.getResources().openRawResource(R.raw.region);

      try 

        {

        bitmapC = BitmapFactory.decodeStream(isC);

        bitmapR = BitmapFactory.decodeStream(isR);

        {

        try 

          {

          isC.close();

          isR.close();

        }  

      mBackgroundTexture.setTexture(bitmapB);

      mCenterTexture.setTexture(bitmapC);

      mRegionTexture.setTexture(bitmapR);

        {

      catch(Exception ex)

        {

      }