Distorted Android

// 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                          //

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

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

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

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

package org.distorted.examples.sink;

import org.distorted.examples.R;

import org.distorted.library.effect.MatrixEffectScale;

import org.distorted.library.main.DistortedLibrary;

import org.distorted.library.main.DistortedEffects;

import org.distorted.library.mesh.MeshSquare;

import org.distorted.library.main.DistortedTexture;

import org.distorted.library.type.Static1D;

import org.distorted.library.type.Static3D;

import org.distorted.library.type.Static4D;

class SinkRenderer implements GLSurfaceView.Renderer, DistortedLibrary.ExceptionListener

  {

  private final GLSurfaceView mView;

  private float mBmpRatio;

  private MeshSquare mMesh;

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

  SinkRenderer(GLSurfaceView v)

    { 

    mView    = v;

    mSinkStrength = new Static1D(1.0f);

    VertexEffectSink sinkEffect = new VertexEffectSink(mSinkStrength, new Static3D(0,0,0), new Static4D(0,0,0,0.5f) );

    mEffects.apply(sinkEffect);

    }

// logarithmic: 50 -> 1.0, 40-> A^(-1), 30->A^(-2), 70-> A^2

  public void onDrawFrame(GL10 glUnused) 

    mScreen.render( System.currentTimeMillis() );

    }

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

    {

    if( width<height ) mScale.set( width,   width*mBmpRatio, 1 );

    mScreen.resize(width, height);

    }

  public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

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

    Bitmap bitmap;

    try 

      try 

        is.close();

        } 

      catch(IOException ignored) { }

      }  

    mBmpRatio = (float)bitmap.getHeight()/bitmap.getWidth();

    mTexture.setTexture(bitmap);

    if( mMesh==null ) mMesh = new MeshSquare(30,(int)(30*mBmpRatio));

    mScreen.detachAll();

    mScreen.attach(mTexture,mEffects,mMesh);

    VertexEffectSink.enable();

    DistortedLibrary.onSurfaceCreated(mView.getContext(), this);

    }

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

    }