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/>.                            //

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

package org.distorted.examples.effects3d;

import java.io.IOException;

import java.io.InputStream;

import javax.microedition.khronos.egl.EGLConfig;

import javax.microedition.khronos.opengles.GL10;

import org.distorted.examples.R;

import org.distorted.library.DistortedCubes;

import org.distorted.library.EffectTypes;

import org.distorted.library.Float3D;

import org.distorted.library.Float4D;

import org.distorted.library.Interpolator3D;

import org.distorted.library.Interpolator4D;

import org.distorted.library.Distorted;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.opengl.GLES20;

import android.opengl.GLSurfaceView;

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

class Effects3DRenderer implements GLSurfaceView.Renderer 

{

    private static final int SIZE = 100;

    private GLSurfaceView mView;

    private static DistortedCubes mCube;

    private static int[] order;

    private static Interpolator3D mMoveInter, mScaleInter, mShearInter;

    private static Interpolator4D mRotateInter;

    private static Float3D mZeroPoint, mMovePoint, mScalePoint, mShearPoint;

    private static Float4D mRotatePoint;

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

    public static void setMove(float x, float y, float z)

      {

      mMovePoint.set(x, y, z);

      }

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    public static void setScale(float x, float y, float z)

      {

      mScalePoint.set(x, y, z);

      }

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    public static void setRotate(float a, float x, float y, float z)

      {

      mRotatePoint.set(a, x, y, z);

      }

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

    public static void setShear(float x, float y, float z)

      {

      mShearPoint.set(x, y, z);

      }

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    public static void setOrder(int[] effects)

      {

      order = effects;

      setMatrixEffects();

      }

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

    public static void setMatrixEffects()

      {

      mCube.abortEffects(EffectTypes.MATRIX);

      for( int i=0; i<=order.length-1 ; i++ )

        {

        switch(order[i])

          {

          case Effects3DActivity.MOVE  : mCube.move(mMoveInter)               ; break; 

          case Effects3DActivity.SCALE : mCube.scale(mScaleInter)             ; break;

          case Effects3DActivity.ROTATE: mCube.rotate(mZeroPoint,mRotateInter); break;

          case Effects3DActivity.SHEAR : mCube.shear(mZeroPoint,mShearInter)  ; break;

          }

        }

      }

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

    public Effects3DRenderer(GLSurfaceView v) 

      {

      mView = v;

      mCube = new DistortedCubes( 1, "1", SIZE);

      mZeroPoint  = new Float3D(0,0,0);

      mMovePoint  = new Float3D(0,0,0);

      mScalePoint = new Float3D(1,1,1);

      mShearPoint = new Float3D(0,0,0);

      mRotatePoint= new Float4D(1,0,0,0);

      mMoveInter  = new Interpolator3D();

      mScaleInter = new Interpolator3D();

      mShearInter = new Interpolator3D();

      mRotateInter= new Interpolator4D();

      mMoveInter.add(mMovePoint);

      mScaleInter.add(mScalePoint);

      mShearInter.add(mShearPoint);

      mRotateInter.add(mRotatePoint);

      }

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

    public void onDrawFrame(GL10 glUnused) 

      {

      GLES20.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);

      GLES20.glClear( GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);

      mCube.draw(System.currentTimeMillis());

      }

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

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

      {

      setMatrixEffects();

      Distorted.onSurfaceChanged(width, height); 

      }

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

    public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

      {

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

      Bitmap bitmap;

      try 

        {

        bitmap = BitmapFactory.decodeStream(is);

        } 

      finally 

        {

        try 

          {

          is.close();

          } 

        catch(IOException e) { }

        }  

      mCube.setBitmap(bitmap);

      try

        {

        Distorted.onSurfaceCreated(mView.getContext());

        }

      catch(Exception ex)

        {

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

        }

      }

}