Distorted Android

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

// 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/>.                            //

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

package org.distorted.examples.postprocesstree;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.opengl.GLSurfaceView;

import org.distorted.examples.R;

import org.distorted.library.effect.FragmentEffectChroma;

import org.distorted.library.effect.MatrixEffectMove;

import org.distorted.library.effect.MatrixEffectRotate;

import org.distorted.library.effect.MatrixEffectScale;

import org.distorted.library.effect.PostprocessEffectBlur;

import org.distorted.library.main.Distorted;

import org.distorted.library.main.DistortedEffects;

import org.distorted.library.main.DistortedNode;

import org.distorted.library.main.DistortedScreen;

import org.distorted.library.main.DistortedTexture;

import org.distorted.library.main.MeshFlat;

import org.distorted.library.type.Dynamic1D;

import org.distorted.library.type.Static1D;

import org.distorted.library.type.Static3D;

import java.io.IOException;

import java.io.InputStream;

import javax.microedition.khronos.egl.EGLConfig;

import javax.microedition.khronos.opengles.GL10;

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

class PostprocessTreeRenderer implements GLSurfaceView.Renderer

{

   private static final int LEAF_SIZE = 100;

   private static final int NUM_LEAVES  = 8;

   private GLSurfaceView mView;

   private DistortedTexture mLeaf;

   private DistortedScreen mScreen;

   private int mScreenW, mScreenH;

   private Static3D mMove, mInnerScale, mOuterScale;

   private Static1D mRadiusSta;

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

   PostprocessTreeRenderer(GLSurfaceView v)

      {     

      mView = v;

      mScreenW = 9*LEAF_SIZE;

      mScreenH = 9*LEAF_SIZE;

      mRadiusSta = new Static1D(5);

      Dynamic1D radiusDyn = new Dynamic1D();

      radiusDyn.add(mRadiusSta);

      mLeaf = new DistortedTexture(LEAF_SIZE,LEAF_SIZE);

      MeshFlat mesh = new MeshFlat(1,1);

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

      mInnerScale= new Static3D(1,1,1);

      mOuterScale= new Static3D(1,1,1);

      DistortedEffects rootEffects  = new DistortedEffects();

      DistortedEffects innerEffects = new DistortedEffects();

      DistortedEffects[] innerLeafEffects= new DistortedEffects[NUM_LEAVES];

      DistortedEffects[] outerLeafEffects= new DistortedEffects[NUM_LEAVES];

      DistortedNode root = new DistortedNode(new DistortedTexture(mScreenW,mScreenH), rootEffects, mesh);

      DistortedNode[] innerLeafNodes = new DistortedNode[NUM_LEAVES];

      DistortedNode[] outerLeafNodes = new DistortedNode[NUM_LEAVES];

      rootEffects.apply(new MatrixEffectMove(mMove));

      rootEffects.apply(new MatrixEffectScale(mOuterScale));

      Dynamic1D rot = new Dynamic1D(5000,0.0f);

      rot.setMode(Dynamic1D.MODE_JUMP);

      rot.add(new Static1D(  0));

      rot.add(new Static1D(360));

      Static3D center = new Static3D(3*LEAF_SIZE/2, 3*LEAF_SIZE/2, 0);

      Static3D axis   = new Static3D(0,0,1);

      Static3D innerMoveVector = new Static3D(0,  LEAF_SIZE,0);

      Static3D outerMoveVector = new Static3D(0,3*LEAF_SIZE,0);

      for(int j=0; j<NUM_LEAVES; j++)

        {

        outerLeafEffects[j] = new DistortedEffects();

        outerLeafEffects[j].apply( new MatrixEffectRotate(new Static1D(j*(360/NUM_LEAVES)), axis, center) );

        outerLeafEffects[j].apply(new MatrixEffectMove(outerMoveVector));

        outerLeafNodes[j] = new DistortedNode( mLeaf, outerLeafEffects[j], mesh);

        root.attach(outerLeafNodes[j]);

        }

      innerEffects.apply( new MatrixEffectMove(new Static3D( mScreenW/2, mScreenH/2, 0)) );

      innerEffects.apply( new MatrixEffectRotate(rot, axis, center) );

      rootEffects.apply(new MatrixEffectScale(mInnerScale));

      innerEffects.apply( new FragmentEffectChroma(new Static1D(0.5f), new Static3D(1,0,0) ) );

      DistortedNode innerNode = new DistortedNode( new DistortedTexture(3*LEAF_SIZE,3*LEAF_SIZE), innerEffects, mesh);

      root.attach(innerNode);

      for(int j=0; j<NUM_LEAVES; j++)

        {

        innerLeafEffects[j] = new DistortedEffects();

        innerLeafEffects[j].apply( new MatrixEffectRotate(new Static1D(j*(360/NUM_LEAVES)), axis, center) );

        innerLeafEffects[j].apply(new MatrixEffectMove(innerMoveVector));

        innerLeafNodes[j] = new DistortedNode( mLeaf, innerLeafEffects[j], mesh);

        innerNode.attach(innerLeafNodes[j]);

        }

      mScreen = new DistortedScreen();

      mScreen.attach(root);

      }

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

   int setBlur(int blur)

     {

     int radius = blur/2;

     mRadiusSta.set(radius);

     return radius;

     }

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

   public void onDrawFrame(GL10 glUnused)

     {

     mScreen.render(System.currentTimeMillis());

     }

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

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

     {

     float iFactor, oFactor;

     if( (float)mScreenH/mScreenW > (float)height/width )

       {

       int w = (height*mScreenW)/mScreenH;

       oFactor = (float)height/mScreenH;

       iFactor = 0.3f*oFactor;

       mMove.set((width-w)/2 ,0, 0);

       }

     else

       {

       int h = (width*mScreenH)/mScreenW;

       oFactor = (float)width/mScreenW;

       iFactor = 0.3f*oFactor;

       mMove.set(0,(height-h)/2,0);

       }

     mOuterScale.set(oFactor,oFactor,oFactor);

     mInnerScale.set(iFactor,iFactor,iFactor);

     mScreen.resize(width, height);

     }

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

   public void onSurfaceCreated(GL10 glUnused, EGLConfig config)

     {

     InputStream is = mView.getContext().getResources().openRawResource(R.raw.leaf);

     Bitmap leaf;

     try

       {

       leaf = BitmapFactory.decodeStream(is);

       }

     finally

       {

       try

         {

         is.close();

         }

       catch(IOException e) { }

       }

     mLeaf.setTexture(leaf);

     FragmentEffectChroma.enable();

     PostprocessEffectBlur.enable();

     try

       {

       Distorted.onCreate(mView.getContext());

       }

     catch(Exception ex)

       {

       android.util.Log.e("PostprocessTree", ex.getMessage() );

       }

     }

}