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.vertex3d;

import android.app.Activity;

import android.opengl.GLSurfaceView;

import android.os.Bundle;

import android.view.View;

import android.widget.LinearLayout;

import android.widget.SeekBar;

import android.widget.SeekBar.OnSeekBarChangeListener;

import android.widget.TextView;

import org.distorted.examples.R;

import org.distorted.library.Distorted;

import org.distorted.library.EffectNames;

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

public class Vertex3DActivity extends Activity implements OnSeekBarChangeListener

{

    private SeekBar bar;

    private TextView textDeform, textDistort, textSink, textSwirl;

    private int deformX, deformY, deformZ;

    private int distortX, distortY, distortZ;

    private int sinkA;

    private int swirlA;

    private int maxX, maxY, maxZ;

    private float fdeformX, fdeformY, fdeformZ;

    private float fdistortX, fdistortY, fdistortZ;

    private float fsinkA;

    private float fswirlA;

    private EffectNames[] effects = new EffectNames[4];

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

    @Override

    protected void onCreate(Bundle icicle) 

      {

      super.onCreate(icicle);

      setContentView(R.layout.vertex3dlayout);

      Default(null);

      }

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

    public void Default(View view)

      {

      effects[0] = EffectNames.DEFORM;

      effects[1] = EffectNames.DISTORT;

      effects[2] = EffectNames.SINK;

      effects[3] = EffectNames.SWIRL;

      deformX = 50;

      deformY = 50;

      deformZ = 50;

      distortX = 50;

      distortY = 50;

      distortZ = 50;

      sinkA =  50;

      swirlA = 50;

      addViews();

      }

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

    private void addViews()

      {

      LinearLayout layout = (LinearLayout)findViewById(R.id.vertex3dlayout);

      layout.removeAllViews();

      View deform = getLayoutInflater().inflate(R.layout.vertex3ddeform , null);

      View distort= getLayoutInflater().inflate(R.layout.vertex3ddistort, null);

      View sink   = getLayoutInflater().inflate(R.layout.vertex3dsink   , null);

      View swirl  = getLayoutInflater().inflate(R.layout.vertex3dswirl  , null);

      for( int i=effects.length-1 ; i>=0 ; i-- )

        {

        switch(effects[i])

          {

          case DEFORM : layout.addView(deform , 0); break;

          case DISTORT: layout.addView(distort, 0); break;

          case SINK   : layout.addView(sink   , 0); break;

          case SWIRL  : layout.addView(swirl  , 0); break;

          }

        }

      textDeform = (TextView)findViewById(R.id.vertex3ddeformText);

      textDistort= (TextView)findViewById(R.id.vertex3ddistortText);

      textSink   = (TextView)findViewById(R.id.vertex3dsinkText);

      textSwirl  = (TextView)findViewById(R.id.vertex3dswirlText);

      setDeformText();

      setDistortText();

      setSinkText();

      setSwirlText();

      setBar(R.id.vertex3ddeformBar1, deformX);

      setBar(R.id.vertex3ddeformBar2, deformY);

      setBar(R.id.vertex3ddeformBar3, deformZ);

      setBar(R.id.vertex3ddistortBar1, distortX);

      setBar(R.id.vertex3ddistortBar2, distortY);

      setBar(R.id.vertex3ddistortBar3, distortZ);

      setBar(R.id.vertex3dsinkBar1, sinkA);

      setBar(R.id.vertex3dswirlBar1, swirlA);

      Vertex3DRenderer.setOrder(effects);

      }

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

    private void moveUp(EffectNames name)

      {

      int len = effects.length-1;

      int index = -1;

      for(int i=0; i<=len; i++)

        {

        if( effects[i]==name )

          {

          index=i;

          break;

          }

        }

      if( index==0 )

        {

        for(int i=0; i<len; i++)

          effects[i] = effects[i+1];

        effects[len] = name;

        }

      else if( index>0 )

        {

        effects[index]   = effects[index-1];

        effects[index-1] = name;

        }

      addViews();

      }

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

    public void ButtonDeform(View v)

      {

      moveUp(EffectNames.DEFORM);

      }

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

    public void ButtonDistort(View v)

      {

      moveUp(EffectNames.DISTORT);

      }

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

    public void ButtonSink(View v)

      {

      moveUp(EffectNames.SINK);

      }

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

    public void ButtonSwirl(View v)

      {

      moveUp(EffectNames.SWIRL);

      }

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

    private void setBar(int id, int value)

      {

      bar = (SeekBar)findViewById(id);

      bar.setOnSeekBarChangeListener(this);

      bar.setProgress(value);

      }

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

    private void computeDeform()

      {

      fdeformX = (deformX-50)*maxX/50.0f;

      fdeformY = (deformY-50)*maxY/50.0f;

      fdeformZ = (deformZ-50)*maxZ/50.0f;

      Vertex3DRenderer.setDeform( fdeformX, fdeformY, fdeformZ );

      }

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

    private void setDeformText()

      {

      fdeformX = ((int)(100*fdeformX))/100.0f;

      fdeformY = ((int)(100*fdeformY))/100.0f;

      fdeformZ = ((int)(100*fdeformZ))/100.0f;

      textDeform.setText("deform("+fdeformX+" , "+fdeformY+" , "+fdeformZ+")");

      }

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

    private void computeDistort()

      {

      fdistortX = (distortX-50)*maxX/50.0f;

      fdistortY = (distortY-50)*maxY/50.0f;

      fdistortZ = (distortZ-50)*maxZ/50.0f;

      Vertex3DRenderer.setDistort(fdistortX, fdistortY, fdistortZ);

      }

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

    private void setDistortText()

      {

      fdistortX = ((int)(100*fdistortX))/100.0f;

      fdistortY = ((int)(100*fdistortY))/100.0f;

      fdistortZ = ((int)(100*fdistortZ))/100.0f;

      textDistort.setText("distort("+fdistortX+" , "+fdistortY+" , "+fdistortZ+")");

      }

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

    private void computeSink()

      {

      fsinkA = (sinkA>= 50 ? sinkA-49 : 1/(51-sinkA));

      Vertex3DRenderer.setSink( fsinkA );

      }

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

    private void setSinkText()

      {

      fsinkA = ((int)(100*fsinkA))/100.0f;

      textSink.setText("sink("+fsinkA+")");

      }

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

    private void computeSwirl()

      {

      fswirlA = (swirlA-50)*3.6f;

      Vertex3DRenderer.setSwirl( fswirlA );

      }

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

    private void setSwirlText()

      {

      fswirlA = ((int)(100*fswirlA))/100.0f;

      textSwirl.setText("swirl("+fswirlA+")");

      }

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

    @Override

    protected void onPause() 

      {

      GLSurfaceView mView = (GLSurfaceView) this.findViewById(R.id.vertex3dSurfaceView);

      mView.onPause(); 

      super.onPause();

      }

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

    @Override

    protected void onResume() 

      {

      super.onResume();

      GLSurfaceView mView = (GLSurfaceView) this.findViewById(R.id.vertex3dSurfaceView);

      mView.onResume();

      }

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

    @Override

    public void onWindowFocusChanged(boolean hasFocus) 

      {

      super.onWindowFocusChanged(hasFocus);

      GLSurfaceView mView = (GLSurfaceView) this.findViewById(R.id.vertex3dSurfaceView);

      maxX = mView.getWidth();

      maxY = mView.getHeight();

      maxZ = (maxX+maxY)/2;

      }

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

    @Override

    protected void onDestroy() 

      {

      Distorted.onDestroy();  

      super.onDestroy();

      }

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

    public void onProgressChanged(SeekBar bar, int progress, boolean fromUser) 

      {

      switch (bar.getId()) 

        {

        case R.id.vertex3ddeformBar1  : deformX= progress; computeDeform()  ; setDeformText()  ; break;

        case R.id.vertex3ddeformBar2  : deformY= progress; computeDeform()  ; setDeformText()  ; break;

        case R.id.vertex3ddeformBar3  : deformZ= progress; computeDeform()  ; setDeformText()  ; break;

        case R.id.vertex3ddistortBar1 : distortX= progress; computeDistort(); setDistortText() ; break;

        case R.id.vertex3ddistortBar2 : distortY= progress; computeDistort(); setDistortText() ; break;

        case R.id.vertex3ddistortBar3 : distortZ= progress; computeDistort(); setDistortText() ; break;

        case R.id.vertex3dsinkBar1    : sinkA   = progress; computeSink()   ; setSinkText()    ; break;

        case R.id.vertex3dswirlBar1   : swirlA  = progress; computeSwirl()  ; setSwirlText()   ; break;

        }

      }

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

    public void onStartTrackingTouch(SeekBar bar) { }

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

    public void onStopTrackingTouch(SeekBar bar)  { }

}