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.matrix3d;

import org.distorted.library.Distorted;

import org.distorted.examples.R;

import android.app.Activity;

import android.os.Bundle;

import android.opengl.GLSurfaceView;

import android.view.View;

import android.widget.LinearLayout;

import android.widget.SeekBar;

import android.widget.TextView;

import android.widget.SeekBar.OnSeekBarChangeListener;

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

public class Matrix3DActivity extends Activity implements OnSeekBarChangeListener

{

    public static final int MOVE   =0;

    public static final int SCALE  =1;

    public static final int ROTATE =2;

    public static final int SHEAR  =3;

    private SeekBar bar;

    private TextView textMove, textScale, textRotate, textShear;

    private int moveX, moveY, moveZ;

    private int scaleX, scaleY, scaleZ;

    private int rotateX, rotateY, rotateZ, rotateA;

    private int shearX, shearY, shearZ;

    private int maxX, maxY, maxZ;

    private float fmoveX, fmoveY, fmoveZ;

    private float fscaleX, fscaleY, fscaleZ;

    private float frotateX, frotateY, frotateZ, frotateA;

    private float fshearX, fshearY, fshearZ;

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

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

    @Override

    protected void onCreate(Bundle icicle) 

      {

      super.onCreate(icicle);

      setContentView(R.layout.matrix3dlayout);

      Default(null);

      }

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

    public void Default(View view)

      {

      effects[0] = MOVE;

      effects[1] = SCALE;

      effects[2] = ROTATE;

      effects[3] = SHEAR;

      moveX = 50;

      moveY = 50;

      moveZ = 50;

      scaleX = 50;

      scaleY = 50;

      scaleZ = 50;

      rotateX = 100;

      rotateY =  50;

      rotateZ =  50;

      rotateA =  50;

      shearX = 50;

      shearY = 50;

      shearZ = 50;

      addViews();

      }

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

    private void addViews()

      {

      LinearLayout layout = (LinearLayout)findViewById(R.id.matrix3dlayout);

      layout.removeAllViews();

      View move   = getLayoutInflater().inflate(R.layout.matrix3dmove, null);

      View scale  = getLayoutInflater().inflate(R.layout.matrix3dscale, null);

      View rotate = getLayoutInflater().inflate(R.layout.matrix3drotate, null);

      View shear  = getLayoutInflater().inflate(R.layout.matrix3dshear, null);

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

        {

        switch(effects[i])

          {

          case MOVE  : layout.addView(move   , 0); break; 

          case SCALE : layout.addView(scale  , 0); break;

          case ROTATE: layout.addView(rotate , 0); break;

          case SHEAR : layout.addView(shear  , 0); break;

          }

        }

      textMove  = (TextView)findViewById(R.id.matrix3dmoveText);

      textScale = (TextView)findViewById(R.id.matrix3dscaleText);

      textRotate= (TextView)findViewById(R.id.matrix3drotateText);

      textShear = (TextView)findViewById(R.id.matrix3dshearText);

      setMoveText();

      setScaleText();

      setRotateText();

      setShearText();

      setBar(R.id.matrix3dmoveBar1, moveX);

      setBar(R.id.matrix3dmoveBar2, moveY);

      setBar(R.id.matrix3dmoveBar3, moveZ);

      setBar(R.id.matrix3dscaleBar1, scaleX);

      setBar(R.id.matrix3dscaleBar2, scaleY);

      setBar(R.id.matrix3dscaleBar3, scaleZ);

      setBar(R.id.matrix3drotateBar1, rotateX);

      setBar(R.id.matrix3drotateBar2, rotateY);

      setBar(R.id.matrix3drotateBar3, rotateZ);

      setBar(R.id.matrix3drotateBar4, rotateA);

      setBar(R.id.matrix3dshearBar1, shearX);

      setBar(R.id.matrix3dshearBar2, shearY);

      setBar(R.id.matrix3dshearBar3, shearZ);

      Matrix3DRenderer.setOrder(effects);

      }

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

    private void moveUp(int effect)

      {

      int len = effects.length-1;	

      int index = -1;

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

        {

        if( effects[i]==effect ) 

          {

          index=i;

          break;

          }

        }

      if( index==0 )

        {

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

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

        effects[len] = effect;

        }

      else if( index>0 )

        {

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

        effects[index-1] = effect;

        }

      addViews();

      }

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

    public void ButtonMove(View v)

      {

      moveUp(MOVE); 	

      }

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

    public void ButtonScale(View v)

      {

      moveUp(SCALE); 	

      }

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

    public void ButtonRotate(View v)

      {

      moveUp(ROTATE); 	

      }

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

    public void ButtonShear(View v)

      {

      moveUp(SHEAR); 	

      }

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

    private void setBar(int id, int value)

      {

      bar = (SeekBar)findViewById(id);

      bar.setOnSeekBarChangeListener(this); 

      bar.setProgress(value);

      }

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

    private void computeMove()

      {

      fmoveX = (moveX-50)*maxX/50.0f;

      fmoveY = (moveY-50)*maxY/50.0f;

      fmoveZ = (moveZ-50)*maxZ/50.0f;

      Matrix3DRenderer.setMove( fmoveX, fmoveY, fmoveZ);

      }

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

    private void setMoveText()

      {

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

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

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

      textMove.setText("move("+fmoveX+" , "+fmoveY+" , "+fmoveZ+")");

      }

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

    private void computeScale()

      {

      fscaleX = (scaleX>50 ? 0.18f : 0.018f)*(scaleX-50)+1;

      fscaleY = (scaleY>50 ? 0.18f : 0.018f)*(scaleY-50)+1;

      fscaleZ = (scaleZ>50 ? 0.18f : 0.018f)*(scaleZ-50)+1;

      Matrix3DRenderer.setScale(fscaleX, fscaleY, fscaleZ);

      }

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

    private void setScaleText()

      {

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

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

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

      textScale.setText("scale("+fscaleX+" , "+fscaleY+" , "+fscaleZ+")");

      }

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

    private void computeRotate()

      {

      frotateX = (rotateX-50)/50.0f;

      frotateY = (rotateY-50)/50.0f;

      frotateZ = (rotateZ-50)/50.0f;

      Matrix3DRenderer.setRotate( frotateA, frotateX, frotateY, frotateZ );

      }

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

    private void setRotateText()

      {

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

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

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

      frotateA = ((rotateA-50)*180)/50;

      textRotate.setText("rotate( "+frotateA+" ("+frotateX+","+frotateY+","+frotateZ+") )");

      }

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

    private void computeShear()

      {

      fshearX = (shearX-50)/25.0f;

      fshearY = (shearY-50)/25.0f;

      fshearZ = (shearZ-50)/25.0f;

      Matrix3DRenderer.setShear( fshearX, fshearY, fshearZ );

      }

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

    private void setShearText()

      {

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

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

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

      textShear.setText("shear("+fshearX+" , "+fshearY+" , "+fshearZ+")");	

      }

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

    @Override

    protected void onPause() 

      {

      GLSurfaceView mView = (GLSurfaceView) this.findViewById(R.id.matrix3dSurfaceView);

      mView.onPause(); 

      super.onPause();

      }

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

    @Override

    protected void onResume() 

      {

      super.onResume();

      GLSurfaceView mView = (GLSurfaceView) this.findViewById(R.id.matrix3dSurfaceView);

      mView.onResume();

      }

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

    @Override

    public void onWindowFocusChanged(boolean hasFocus) 

      {

      super.onWindowFocusChanged(hasFocus);

      GLSurfaceView mView = (GLSurfaceView) this.findViewById(R.id.matrix3dSurfaceView);

      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.matrix3dmoveBar1  : moveX = progress; computeMove()  ; setMoveText()  ; break;

        case R.id.matrix3dmoveBar2  : moveY = progress; computeMove()  ; setMoveText()  ; break;

        case R.id.matrix3dmoveBar3  : moveZ = progress; computeMove()  ; setMoveText()  ; break;

        case R.id.matrix3dscaleBar1 : scaleX= progress; computeScale() ; setScaleText() ; break;

        case R.id.matrix3dscaleBar2 : scaleY= progress; computeScale() ; setScaleText() ; break;

        case R.id.matrix3dscaleBar3 : scaleZ= progress; computeScale() ; setScaleText() ; break;

        case R.id.matrix3drotateBar1: rotateX=progress; computeRotate(); setRotateText(); break;

        case R.id.matrix3drotateBar2: rotateY=progress; computeRotate(); setRotateText(); break;

        case R.id.matrix3drotateBar3: rotateZ=progress; computeRotate(); setRotateText(); break;

        case R.id.matrix3drotateBar4: rotateA=progress; computeRotate(); setRotateText(); break;

        case R.id.matrix3dshearBar1 : shearX= progress; computeShear() ; setShearText() ; break;

        case R.id.matrix3dshearBar2 : shearY= progress; computeShear() ; setShearText() ; break;

        case R.id.matrix3dshearBar3 : shearZ= progress; computeShear() ; setShearText() ; break;

        }

      }

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

    public void onStartTrackingTouch(SeekBar bar) { }

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

    public void onStopTrackingTouch(SeekBar bar)  { }

}