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.BitmapFactory;

import org.distorted.library.effect.EffectType;

import org.distorted.library.effect.FragmentEffectBrightness;

import org.distorted.library.effect.FragmentEffectChroma;

import org.distorted.library.effect.FragmentEffectContrast;

import org.distorted.library.effect.FragmentEffectSaturation;

import org.distorted.library.effect.MatrixEffectQuaternion;

import org.distorted.library.effect.MatrixEffectScale;

import org.distorted.library.effect.VertexEffectDistort;

import org.distorted.library.effect.VertexEffectPinch;

import org.distorted.library.effect.VertexEffectSink;

import org.distorted.library.effect.VertexEffectSwirl;

import org.distorted.library.effect.VertexEffectWave;

import org.distorted.library.main.DistortedScreen;

import org.distorted.library.main.DistortedTexture;

import java.io.InputStream;

import javax.microedition.khronos.opengles.GL10;

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

    private static final int   LEVEL   =      32;

    private static final float FOV     =   30.0f;

    private static final float NEAR    =    0.1f;

    private static final int   MAX_EFF =      20;

    private static final float SCALE   =   1.10f;

    private float mLevel;

    private Static1D mSwirl;

    int mScreenMin;

      mView = v;

      DistortedEffects.setMax(EffectType.FRAGMENT, MAX_EFF);

      mColor      = new Static3D(255,0,0);

      mRegionV    = new Static4D(0,0,0,RADIUS_V);

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

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

      mSwirl      = new Static1D(45.0f);

      scale.add(mScaleFactor);

      mTexture  = new DistortedTexture(SIZE,SIZE);

      mObjHeight= mTexture.getHeight();

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

      DynamicQuat quatInt2 = new DynamicQuat(0,0.5f);

      quatInt1.add(mQuat1);

      quatInt2.add(mQuat2);

      mEffects.apply( new MatrixEffectMove(mMove) );

      mEffects.apply( new MatrixEffectQuaternion(quatInt2, mCenter) );

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

    public void onDrawFrame(GL10 glUnused) 

      {

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

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

      {

      mScrHeight= height;

      mScreenMin= width<height ? width:height;

      adjustFactor();

      // MAP: 0--> SCALE/N   50-->SCALE   100->SCALE*N

      mLevel = SCALE* (1.0f+  (level>=50 ? N-1 : (N-1)/N) * (level-50)/50.0f);

      adjustFactor();

      }

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

    private void adjustFactor()

      {

      float xW = (float)mScrWidth /mObjWidth;

      float xH = (float)mScrHeight/mObjHeight;

      float factor = xW>xH ? mLevel*xH : mLevel*xW;

      mMove.set( (mScrWidth-factor*mObjWidth)/2 , (mScrHeight-factor*mObjHeight)/2 , 0);

      mScaleFactor.set(factor,factor,factor);

      Static3D vector;

      double sinLON = Math.sin(longitude);

      double cosLON = Math.cos(longitude);

      double sinLAT = Math.sin(latitude);

      double cosLAT = Math.cos(latitude);

      float y = (float)        sinLAT /2.0f;

      float z = (float)(cosLON*cosLAT)/2.0f;

        {

        case SINK             : effect = new VertexEffectSink   (mStrength, center, mRegionV); break;

        case PINCH            : effect = new VertexEffectPinch  (mPinch   , center, mRegionV); break;      // Those 3 are not really

        case SWIRL            : effect = new VertexEffectSwirl  (mSwirl   , center, mRegionV); break;      // fully 3D effects. They

        case WAVE             : Static5D wave = new Static5D( RADIUS_V/2, RADIUS_V/2, 0, 90-latitude, 90); // will not look good

                                effect = new VertexEffectWave   (wave     , center, mRegionV); break;      // everywhere on the sphere.

        case SMOOTH_ALPHA     : effect = new FragmentEffectAlpha     (mStrength,        center, mRegionF, true ); break;

        case CHROMA           : effect = new FragmentEffectChroma    (mStrength, mColor,center, mRegionF, false); break;

        case SMOOTH_CHROMA    : effect = new FragmentEffectChroma    (mStrength, mColor,center, mRegionF, true ); break;

        case BRIGHTNESS       : effect = new FragmentEffectBrightness(mStrength,        center, mRegionF, false); break;

        case SMOOTH_BRIGHTNESS: effect = new FragmentEffectBrightness(mStrength,        center, mRegionF, true ); break;

        case SATURATION       : effect = new FragmentEffectSaturation(mStrength,        center, mRegionF, false); break;

        case SMOOTH_SATURATION: effect = new FragmentEffectSaturation(mStrength,        center, mRegionF, true ); break;

        case CONTRAST         : effect = new FragmentEffectContrast  (mStrength,        center, mRegionF, false); break;

        case SMOOTH_CONTRAST  : effect = new FragmentEffectContrast  (mStrength,        center, mRegionF, true ); break;

        default               : android.util.Log.e("EarthRenderer", "unexpected effect: "+name.toString() );

      if( effect!=null )

        {

        mEffects.apply(effect);

        }

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

    void removeAll()

      {

      mEffects.abortByType(EffectType.VERTEX);

      mEffects.abortByType(EffectType.FRAGMENT);

      }

    public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

      {

      Bitmap bitmap;

      try

        {

        bitmap = BitmapFactory.decodeStream(is);

        }

      finally

        {

        try

          {

          is.close();

          }

        catch(IOException e) { }

        }

      mScreen.detachAll();

      mScreen.attach(mTexture,mEffects,mMesh);

      Effect.enableEffects(EffectType.VERTEX);

        {

      catch(Exception ex)

        {

      }

}